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Vampire---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SEU657^1 : 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 : n017.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 08:30:33 AM UTC 2026

% Result   : Theorem 6.46s 1.49s
% Output   : Refutation 0.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :  199
%            Number of leaves      :   11
% Syntax   : Number of formulae    :  266 ( 220 unt;   0 typ;   6 def)
%            Number of atoms       : 19419 ( 640 equ;   0 cnn)
%            Maximal formula atoms :  175 (  73 avg)
%            Number of connectives : 24338 (  55   ~;  43   |; 373   &;6841   @)
%                                         (   6 <=>;16445  =>;   0  <=;   0 <~>)
%            Maximal formula depth :  178 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  237 ( 232 usr; 187 con; 0-4 aty)
%                                         ( 210  !!; 365  ??;   0 @@+;   0 @@-)
%            Number of variables   :  628 (   0 sgn  25   !;   4   ?; 628   :)

% 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,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_206,type,
    vIMP: $o > $o > $o ).

thf(func_def_207,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_208,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_209,type,
    vNOT: $o > $o ).

thf(func_def_210,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_211,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_212,type,
    vIFF: $o > $o > $o ).

thf(func_def_213,type,
    vOR: $o > $o > $o ).

thf(func_def_214,type,
    vEQ: 
      !>[X0: $tType] : ( X0 > X0 > $o ) ).

thf(func_def_215,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_216,type,
    vAND: $o > $o > $o ).

thf(func_def_217,type,
    db3: 
      !>[X0: $tType] : X0 ).

thf(func_def_220,type,
    db4: 
      !>[X0: $tType] : X0 ).

thf(func_def_221,type,
    db5: 
      !>[X0: $tType] : X0 ).

thf(func_def_226,type,
    sK4: $i > $i ).

thf(func_def_227,type,
    sK5: $i > $i ).

thf(func_def_228,type,
    sK6: $i > $i > $i ).

thf(func_def_229,type,
    sK7: $i > $i > $i ).

thf(f135,axiom,
    ( iskpair
    = ( ^ [X0: $i] :
        ? [X1: $i] :
          ( ? [X2: $i] :
              ( ( in @ X2 @ ( setunion @ X0 ) )
              & ( X0
                = ( setadjoin @ ( setadjoin @ X1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X1 @ ( setadjoin @ X2 @ emptyset ) ) @ emptyset ) ) ) )
          & ( in @ X1 @ ( setunion @ X0 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',iskpair) ).

thf(f140,axiom,
    ( kpair
    = ( ^ [X0: $i,X1: $i] : ( setadjoin @ ( setadjoin @ X0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X0 @ ( setadjoin @ X1 @ emptyset ) ) @ emptyset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',kpair) ).

thf(f168,axiom,
    ! [X1: $i,X0: $i] :
      ( ( ( kfst @ ( kpair @ X0 @ X1 ) )
        = X0 )
      = kfstpairEq ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',kfstpairEq) ).

thf(f179,axiom,
    ! [X0: $i,X1: $i] :
      ( ( ( ksnd @ ( kpair @ X0 @ X1 ) )
        = X1 )
      = ksndpairEq ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ksndpairEq) ).

thf(f180,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
                                                                                                                                                                                                                                                                                                                                                           => ! [X0: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( iskpair @ X0 )
                                                                                                                                                                                                                                                                                                                                                               => ( ( kpair @ ( kfst @ X0 ) @ ( ksnd @ X0 ) )
                                                                                                                                                                                                                                                                                                                                                                  = X0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',kpairsurjEq) ).

thf(f181,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
                                                                                                                                                                                                                                                                                                                                                             => ! [X0: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( iskpair @ X0 )
                                                                                                                                                                                                                                                                                                                                                                 => ( ( kpair @ ( kfst @ X0 ) @ ( ksnd @ X0 ) )
                                                                                                                                                                                                                                                                                                                                                                    = X0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f180]) ).

thf(f227,plain,
    ( ksndpairEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( ksnd @ ( kpair @ Y1 @ Y0 ) )
              = Y0 ) ) ) ),
    inference(fool_elimination,[],[f179]) ).

thf(f259,plain,
    ( kpair
    = ( ^ [Y0: $i,Y1: $i] : ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) ) ),
    inference(fool_elimination,[],[f140]) ).

thf(f309,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( kfst @ ( kpair @ X1 @ X0 ) )
        = X1 )
      = kfstpairEq ),
    inference(rectify,[],[f168]) ).

thf(f310,plain,
    ( kfstpairEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( kfst @ ( kpair @ Y0 @ Y1 ) )
              = Y0 ) ) ) ),
    inference(fool_elimination,[],[f309]) ).

thf(f381,plain,
    ( iskpair
    = ( ^ [X0: $i] :
        ? [X1: $i] :
          ( ? [X2: $i] :
              ( ( in @ X2 @ ( setunion @ X0 ) )
              & ( X0
                = ( setadjoin @ ( setadjoin @ X1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X1 @ ( setadjoin @ X2 @ emptyset ) ) @ emptyset ) ) ) )
          & ( in @ X1 @ ( setunion @ X0 ) ) ) ) ),
    inference(rectify,[],[f135]) ).

thf(f382,plain,
    ( iskpair
    = ( ^ [Y0: $i] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y1 @ ( setunion @ Y0 ) )
              & ( ?? @ $i
                @ ^ [Y2: $i] :
                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                      = Y0 )
                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f381]) ).

thf(f458,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
                                                                                                                                                                                                                                                                                                                                                             => ! [X0: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( iskpair @ X0 )
                                                                                                                                                                                                                                                                                                                                                                 => ( ( kpair @ ( kfst @ X0 ) @ ( ksnd @ X0 ) )
                                                                                                                                                                                                                                                                                                                                                                    = X0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[],[f181]) ).

thf(f459,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
                                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( iskpair @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                       => ( ( kpair @ ( kfst @ Y0 ) @ ( ksnd @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f458]) ).

thf(f532,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
                                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( iskpair @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                       => ( ( kpair @ ( kfst @ Y0 ) @ ( ksnd @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f459]) ).

thf(f554,plain,
    ( ksndpairEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( ksnd @ ( kpair @ Y1 @ Y0 ) )
              = Y0 ) ) ) ),
    inference(cnf_transformation,[],[f227]) ).

thf(f586,plain,
    ( kfstpairEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( kfst @ ( kpair @ Y0 @ Y1 ) )
              = Y0 ) ) ) ),
    inference(cnf_transformation,[],[f310]) ).

thf(f622,plain,
    ( kpair
    = ( ^ [Y0: $i,Y1: $i] : ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) ) ),
    inference(cnf_transformation,[],[f259]) ).

thf(f693,plain,
    ( iskpair
    = ( ^ [Y0: $i] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y1 @ ( setunion @ Y0 ) )
              & ( ?? @ $i
                @ ^ [Y2: $i] :
                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                      = Y0 )
                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f382]) ).

thf(f712,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
                                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y2 @ ( setunion @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                                          = Y1 )
                                                                                                                                                                                                                                                                                                                                                                                        & ( in @ Y3 @ ( setunion @ Y1 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                          @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                       => ( ( ^ [Y1: $i,Y2: $i] : ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                            @ ( kfst @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                            @ ( ksnd @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f532,f693,f622]) ).

thf(f717,plain,
    ( ksndpairEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( ksnd
                @ ( ^ [Y2: $i,Y3: $i] : ( setadjoin @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ emptyset ) )
                  @ Y1
                  @ Y0 ) )
              = Y0 ) ) ) ),
    inference(definition_unfolding,[],[f554,f622]) ).

thf(f723,plain,
    ( kfstpairEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( kfst
                @ ( ^ [Y2: $i,Y3: $i] : ( setadjoin @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ emptyset ) )
                  @ Y0
                  @ Y1 ) )
              = Y0 ) ) ) ),
    inference(definition_unfolding,[],[f586,f622]) ).

thf(f758,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
                                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f712]) ).

thf(f782,plain,
    ( ksndpairEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( ksnd @ ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) ) )
              = Y0 ) ) ) ),
    inference(beta-eta_normalization,[],[f717]) ).

thf(f783,plain,
    ( kfstpairEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( kfst @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) )
              = Y0 ) ) ) ),
    inference(beta-eta_normalization,[],[f723]) ).

thf(f886,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
                                                                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(not_proxy_clausification,[],[f758]) ).

thf(f1076,plain,
    ( ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( ksnd @ ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) ) )
                = Y0 ) ) ) )
    | ( ksndpairEq = $false ) ),
    inference(iff_proxy_clausification,[],[f782]) ).

thf(f1090,plain,
    ( ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( kfst @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) )
                = Y0 ) ) ) )
    | ( kfstpairEq = $false ) ),
    inference(iff_proxy_clausification,[],[f783]) ).

thf(f1949,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
                                                                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f886]) ).

thf(f3564,definition,
    ( spl0_537
  <=> ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( ksnd @ ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) ) )
                = Y0 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl0_537])],[avatar_definition]) ).

thf(f3566,plain,
    ( ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( ksnd @ ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) ) )
                = Y0 ) ) ) )
    | ~ spl0_537 ),
    inference(avatar_component_clause,[],[f3564]) ).

thf(f3568,definition,
    ( spl0_538
  <=> ( ksndpairEq = $false ) ),
    introduced(definition,[new_symbols(definition,[spl0_538])],[avatar_definition]) ).

thf(f3570,plain,
    ( ( ksndpairEq = $false )
    | ~ spl0_538 ),
    inference(avatar_component_clause,[],[f3568]) ).

thf(f3571,plain,
    ( spl0_537
    | spl0_538 ),
    inference(avatar_split_clause,[],[f1076,f3568,f3564]) ).

thf(f3573,definition,
    ( spl0_539
  <=> ( ksndpairEq = $true ) ),
    introduced(definition,[new_symbols(definition,[spl0_539])],[avatar_definition]) ).

thf(f3575,plain,
    ( ( ksndpairEq = $true )
    | ~ spl0_539 ),
    inference(avatar_component_clause,[],[f3573]) ).

thf(f3682,definition,
    ( spl0_563
  <=> ( kfstpairEq = $true ) ),
    introduced(definition,[new_symbols(definition,[spl0_563])],[avatar_definition]) ).

thf(f3684,plain,
    ( ( kfstpairEq = $true )
    | ~ spl0_563 ),
    inference(avatar_component_clause,[],[f3682]) ).

thf(f3691,definition,
    ( spl0_565
  <=> ( kfstpairEq = $false ) ),
    introduced(definition,[new_symbols(definition,[spl0_565])],[avatar_definition]) ).

thf(f3693,plain,
    ( ( kfstpairEq = $false )
    | ~ spl0_565 ),
    inference(avatar_component_clause,[],[f3691]) ).

thf(f3695,definition,
    ( spl0_566
  <=> ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( kfst @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) )
                = Y0 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl0_566])],[avatar_definition]) ).

thf(f3697,plain,
    ( ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( kfst @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) )
                = Y0 ) ) ) )
    | ~ spl0_566 ),
    inference(avatar_component_clause,[],[f3695]) ).

thf(f3698,plain,
    ( spl0_565
    | spl0_566 ),
    inference(avatar_split_clause,[],[f1090,f3695,f3691]) ).

thf(f4124,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
                                                                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f1949]) ).

thf(f4127,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4124]) ).

thf(f4130,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
                                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4127]) ).

thf(f4132,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4130]) ).

thf(f4135,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
                                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4132]) ).

thf(f4138,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
                                                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4135]) ).

thf(f4142,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4138]) ).

thf(f4145,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
                                                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4142]) ).

thf(f4147,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4145]) ).

thf(f4150,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
                                                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4147]) ).

thf(f4153,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
                                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4150]) ).

thf(f4156,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4153]) ).

thf(f4160,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
                                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4156]) ).

thf(f4163,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4160]) ).

thf(f4166,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4163]) ).

thf(f4169,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4166]) ).

thf(f4171,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
                                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4169]) ).

thf(f4175,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4171]) ).

thf(f4177,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4175]) ).

thf(f4181,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4177]) ).

thf(f4184,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4181]) ).

thf(f4187,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
                                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4184]) ).

thf(f4189,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4187]) ).

thf(f4192,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
                                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4189]) ).

thf(f4196,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4192]) ).

thf(f4198,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4196]) ).

thf(f4202,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4198]) ).

thf(f4204,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4202]) ).

thf(f4208,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4204]) ).

thf(f4210,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4208]) ).

thf(f4214,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
                                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4210]) ).

thf(f4217,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
                                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4214]) ).

thf(f4220,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
                                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4217]) ).

thf(f4222,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
                                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4220]) ).

thf(f4225,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
                                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4222]) ).

thf(f4228,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
                                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4225]) ).

thf(f4232,plain,
    ( ( 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
                                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4228]) ).

thf(f4234,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
                                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4232]) ).

thf(f4237,plain,
    ( ( 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
                                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4234]) ).

thf(f4241,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
                                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4237]) ).

thf(f4244,plain,
    ( ( 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
                                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4241]) ).

thf(f4246,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
                                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4244]) ).

thf(f4249,plain,
    ( ( 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
                                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4246]) ).

thf(f4253,plain,
    ( ( 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
                                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4249]) ).

thf(f4256,plain,
    ( ( 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
                                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4253]) ).

thf(f4259,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4256]) ).

thf(f4261,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4259]) ).

thf(f4265,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4261]) ).

thf(f4268,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
                                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4265]) ).

thf(f4271,plain,
    ( ( 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
                                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4268]) ).

thf(f4273,plain,
    ( ( 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
                                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4271]) ).

thf(f4276,plain,
    ( ( 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
                                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4273]) ).

thf(f4280,plain,
    ( ( 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
                                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4276]) ).

thf(f4283,plain,
    ( ( 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
                                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4280]) ).

thf(f4285,plain,
    ( ( 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
                                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4283]) ).

thf(f4288,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
                                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4285]) ).

thf(f4292,plain,
    ( ( 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
                                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4288]) ).

thf(f4294,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
                                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4292]) ).

thf(f4298,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4294]) ).

thf(f4300,plain,
    ( ( 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
                                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4298]) ).

thf(f4303,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
                                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4300]) ).

thf(f4306,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
                                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4303]) ).

thf(f4310,plain,
    ( $false
    = ( 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
                                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4306]) ).

thf(f4312,plain,
    ( ( 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
                                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4310]) ).

thf(f4315,plain,
    ( ( 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
                                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4312]) ).

thf(f4319,plain,
    ( ( 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
                                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4315]) ).

thf(f4321,plain,
    ( ( 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
                                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4319]) ).

thf(f4324,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
                                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4321]) ).

thf(f4326,plain,
    ( ( 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
                                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4324]) ).

thf(f4329,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
                                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4326]) ).

thf(f4333,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
                                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4329]) ).

thf(f4335,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
                                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4333]) ).

thf(f4337,plain,
    ( ( 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
                                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4335]) ).

thf(f4341,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
                                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4337]) ).

thf(f4343,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
                                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4341]) ).

thf(f4346,plain,
    ( ( 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
                                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4343]) ).

thf(f4349,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
                                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4346]) ).

thf(f4353,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
                                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4349]) ).

thf(f4356,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
                                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4353]) ).

thf(f4358,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
                                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4356]) ).

thf(f4362,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
                                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4358]) ).

thf(f4365,plain,
    ( ( 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
                                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4362]) ).

thf(f4368,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
                                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4365]) ).

thf(f4371,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
                                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4368]) ).

thf(f4374,plain,
    ( $false
    = ( 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
                                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4371]) ).

thf(f4377,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
                                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4374]) ).

thf(f4380,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
                                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4377]) ).

thf(f4383,plain,
    ( ( 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
                                                                                                                                                                           => ( !! @ $i
                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                = Y0 )
                                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4380]) ).

thf(f4385,plain,
    ( ( 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
                                                                                                                                                                         => ( !! @ $i
                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                              = Y0 )
                                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4383]) ).

thf(f4389,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
                                                                                                                                                                       => ( !! @ $i
                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                            = Y0 )
                                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4385]) ).

thf(f4392,plain,
    ( ( 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
                                                                                                                                                                     => ( !! @ $i
                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                          = Y0 )
                                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4389]) ).

thf(f4395,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
                                                                                                                                                                   => ( !! @ $i
                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4392]) ).

thf(f4398,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
                                                                                                                                                                 => ( !! @ $i
                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                      = Y0 )
                                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4395]) ).

thf(f4400,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
                                                                                                                                                               => ( !! @ $i
                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                    = Y0 )
                                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4398]) ).

thf(f4404,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
                                                                                                                                                             => ( !! @ $i
                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                  = Y0 )
                                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4400]) ).

thf(f4406,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
                                                                                                                                                           => ( !! @ $i
                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                = Y0 )
                                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4404]) ).

thf(f4410,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
                                                                                                                                                         => ( !! @ $i
                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                              = Y0 )
                                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4406]) ).

thf(f4412,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
                                                                                                                                                       => ( !! @ $i
                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                            = Y0 )
                                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4410]) ).

thf(f4416,plain,
    ( ( 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
                                                                                                                                                     => ( !! @ $i
                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                            ( ( ?? @ $i
                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                          = Y0 )
                                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4412]) ).

thf(f4419,plain,
    ( $false
    = ( 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
                                                                                                                                                   => ( !! @ $i
                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                          ( ( ?? @ $i
                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                & ( ?? @ $i
                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                        = Y0 )
                                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4416]) ).

thf(f4422,plain,
    ( $false
    = ( 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
                                                                                                                                                 => ( !! @ $i
                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                        ( ( ?? @ $i
                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                              & ( ?? @ $i
                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                      = Y0 )
                                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4419]) ).

thf(f4424,plain,
    ( $false
    = ( 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
                                                                                                                                               => ( !! @ $i
                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                      ( ( ?? @ $i
                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                            & ( ?? @ $i
                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                    = Y0 )
                                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4422]) ).

thf(f4427,plain,
    ( $false
    = ( 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
                                                                                                                                             => ( !! @ $i
                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                    ( ( ?? @ $i
                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                          & ( ?? @ $i
                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                  = Y0 )
                                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4424]) ).

thf(f4431,plain,
    ( $false
    = ( 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
                                                                                                                                           => ( !! @ $i
                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                  ( ( ?? @ $i
                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                        & ( ?? @ $i
                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                = Y0 )
                                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4427]) ).

thf(f4433,plain,
    ( ( 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
                                                                                                                                         => ( !! @ $i
                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                ( ( ?? @ $i
                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                      & ( ?? @ $i
                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                              = Y0 )
                                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4431]) ).

thf(f4436,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
                                                                                                                                       => ( !! @ $i
                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                              ( ( ?? @ $i
                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                    & ( ?? @ $i
                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                            = Y0 )
                                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4433]) ).

thf(f4440,plain,
    ( ( 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
                                                                                                                                     => ( !! @ $i
                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                            ( ( ?? @ $i
                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                  & ( ?? @ $i
                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                          = Y0 )
                                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4436]) ).

thf(f4442,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
                                                                                                                                   => ( !! @ $i
                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                          ( ( ?? @ $i
                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                & ( ?? @ $i
                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                        = Y0 )
                                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4440]) ).

thf(f4445,plain,
    ( ( 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
                                                                                                                                 => ( !! @ $i
                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                        ( ( ?? @ $i
                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                              & ( ?? @ $i
                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                      = Y0 )
                                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4442]) ).

thf(f4449,plain,
    ( $false
    = ( 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
                                                                                                                               => ( !! @ $i
                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                      ( ( ?? @ $i
                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                            & ( ?? @ $i
                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                    = Y0 )
                                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4445]) ).

thf(f4451,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
                                                                                                                             => ( !! @ $i
                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                    ( ( ?? @ $i
                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                          & ( ?? @ $i
                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                  = Y0 )
                                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4449]) ).

thf(f4455,plain,
    ( ( 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
                                                                                                                           => ( !! @ $i
                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                  ( ( ?? @ $i
                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                        & ( ?? @ $i
                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                = Y0 )
                                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4451]) ).

thf(f4457,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
                                                                                                                         => ( !! @ $i
                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                ( ( ?? @ $i
                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                      & ( ?? @ $i
                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                              = Y0 )
                                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4455]) ).

thf(f4460,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
                                                                                                                       => ( !! @ $i
                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                              ( ( ?? @ $i
                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                    & ( ?? @ $i
                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                            = Y0 )
                                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4457]) ).

thf(f4463,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
                                                                                                                     => ( !! @ $i
                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                            ( ( ?? @ $i
                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                  & ( ?? @ $i
                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                          = Y0 )
                                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4460]) ).

thf(f4467,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
                                                                                                                   => ( !! @ $i
                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                          ( ( ?? @ $i
                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                & ( ?? @ $i
                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                        = Y0 )
                                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4463]) ).

thf(f4469,plain,
    ( $false
    = ( 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
                                                                                                                 => ( !! @ $i
                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                        ( ( ?? @ $i
                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                              & ( ?? @ $i
                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                      = Y0 )
                                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4467]) ).

thf(f4472,plain,
    ( $false
    = ( 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
                                                                                                               => ( !! @ $i
                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                      ( ( ?? @ $i
                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                            & ( ?? @ $i
                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                    = Y0 )
                                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4469]) ).

thf(f4475,plain,
    ( ( 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
                                                                                                             => ( !! @ $i
                                                                                                                @ ^ [Y0: $i] :
                                                                                                                    ( ( ?? @ $i
                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                          & ( ?? @ $i
                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                  = Y0 )
                                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4472]) ).

thf(f4479,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
                                                                                                           => ( !! @ $i
                                                                                                              @ ^ [Y0: $i] :
                                                                                                                  ( ( ?? @ $i
                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                        & ( ?? @ $i
                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                                = Y0 )
                                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4475]) ).

thf(f4481,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
                                                                                                         => ( !! @ $i
                                                                                                            @ ^ [Y0: $i] :
                                                                                                                ( ( ?? @ $i
                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                      & ( ?? @ $i
                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                              = Y0 )
                                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4479]) ).

thf(f4484,plain,
    ( $false
    = ( 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
                                                                                                       => ( !! @ $i
                                                                                                          @ ^ [Y0: $i] :
                                                                                                              ( ( ?? @ $i
                                                                                                                @ ^ [Y1: $i] :
                                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                    & ( ?? @ $i
                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                            = Y0 )
                                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4481]) ).

thf(f4487,plain,
    ( ( 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
                                                                                                     => ( !! @ $i
                                                                                                        @ ^ [Y0: $i] :
                                                                                                            ( ( ?? @ $i
                                                                                                              @ ^ [Y1: $i] :
                                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                  & ( ?? @ $i
                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                          = Y0 )
                                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4484]) ).

thf(f4490,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
                                                                                                   => ( !! @ $i
                                                                                                      @ ^ [Y0: $i] :
                                                                                                          ( ( ?? @ $i
                                                                                                            @ ^ [Y1: $i] :
                                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                & ( ?? @ $i
                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                        = Y0 )
                                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4487]) ).

thf(f4493,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
                                                                                                 => ( !! @ $i
                                                                                                    @ ^ [Y0: $i] :
                                                                                                        ( ( ?? @ $i
                                                                                                          @ ^ [Y1: $i] :
                                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                              & ( ?? @ $i
                                                                                                                @ ^ [Y2: $i] :
                                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                      = Y0 )
                                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4490]) ).

thf(f4497,plain,
    ( ( 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
                                                                                               => ( !! @ $i
                                                                                                  @ ^ [Y0: $i] :
                                                                                                      ( ( ?? @ $i
                                                                                                        @ ^ [Y1: $i] :
                                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                            & ( ?? @ $i
                                                                                                              @ ^ [Y2: $i] :
                                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                    = Y0 )
                                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4493]) ).

thf(f4500,plain,
    ( ( 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
                                                                                             => ( !! @ $i
                                                                                                @ ^ [Y0: $i] :
                                                                                                    ( ( ?? @ $i
                                                                                                      @ ^ [Y1: $i] :
                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                          & ( ?? @ $i
                                                                                                            @ ^ [Y2: $i] :
                                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                  = Y0 )
                                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4497]) ).

thf(f4503,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
                                                                                           => ( !! @ $i
                                                                                              @ ^ [Y0: $i] :
                                                                                                  ( ( ?? @ $i
                                                                                                    @ ^ [Y1: $i] :
                                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                        & ( ?? @ $i
                                                                                                          @ ^ [Y2: $i] :
                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                                = Y0 )
                                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4500]) ).

thf(f4506,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
                                                                                         => ( !! @ $i
                                                                                            @ ^ [Y0: $i] :
                                                                                                ( ( ?? @ $i
                                                                                                  @ ^ [Y1: $i] :
                                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                      & ( ?? @ $i
                                                                                                        @ ^ [Y2: $i] :
                                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                              = Y0 )
                                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4503]) ).

thf(f4508,plain,
    ( ( 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
                                                                                       => ( !! @ $i
                                                                                          @ ^ [Y0: $i] :
                                                                                              ( ( ?? @ $i
                                                                                                @ ^ [Y1: $i] :
                                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                    & ( ?? @ $i
                                                                                                      @ ^ [Y2: $i] :
                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                            = Y0 )
                                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4506]) ).

thf(f4511,plain,
    ( ( 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
                                                                                     => ( !! @ $i
                                                                                        @ ^ [Y0: $i] :
                                                                                            ( ( ?? @ $i
                                                                                              @ ^ [Y1: $i] :
                                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                  & ( ?? @ $i
                                                                                                    @ ^ [Y2: $i] :
                                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                          = Y0 )
                                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4508]) ).

thf(f4515,plain,
    ( $false
    = ( 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
                                                                                   => ( !! @ $i
                                                                                      @ ^ [Y0: $i] :
                                                                                          ( ( ?? @ $i
                                                                                            @ ^ [Y1: $i] :
                                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                & ( ?? @ $i
                                                                                                  @ ^ [Y2: $i] :
                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                        = Y0 )
                                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4511]) ).

thf(f4517,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
                                                                                 => ( !! @ $i
                                                                                    @ ^ [Y0: $i] :
                                                                                        ( ( ?? @ $i
                                                                                          @ ^ [Y1: $i] :
                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                              & ( ?? @ $i
                                                                                                @ ^ [Y2: $i] :
                                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                      = Y0 )
                                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4515]) ).

thf(f4520,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
                                                                               => ( !! @ $i
                                                                                  @ ^ [Y0: $i] :
                                                                                      ( ( ?? @ $i
                                                                                        @ ^ [Y1: $i] :
                                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                            & ( ?? @ $i
                                                                                              @ ^ [Y2: $i] :
                                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                    = Y0 )
                                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4517]) ).

thf(f4523,plain,
    ( $false
    = ( 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
                                                                             => ( !! @ $i
                                                                                @ ^ [Y0: $i] :
                                                                                    ( ( ?? @ $i
                                                                                      @ ^ [Y1: $i] :
                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                          & ( ?? @ $i
                                                                                            @ ^ [Y2: $i] :
                                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                  = Y0 )
                                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4520]) ).

thf(f4526,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
                                                                           => ( !! @ $i
                                                                              @ ^ [Y0: $i] :
                                                                                  ( ( ?? @ $i
                                                                                    @ ^ [Y1: $i] :
                                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                        & ( ?? @ $i
                                                                                          @ ^ [Y2: $i] :
                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                                = Y0 )
                                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4523]) ).

thf(f4530,plain,
    ( ( 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
                                                                         => ( !! @ $i
                                                                            @ ^ [Y0: $i] :
                                                                                ( ( ?? @ $i
                                                                                  @ ^ [Y1: $i] :
                                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                      & ( ?? @ $i
                                                                                        @ ^ [Y2: $i] :
                                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                              = Y0 )
                                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4526]) ).

thf(f4532,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
                                                                       => ( !! @ $i
                                                                          @ ^ [Y0: $i] :
                                                                              ( ( ?? @ $i
                                                                                @ ^ [Y1: $i] :
                                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                    & ( ?? @ $i
                                                                                      @ ^ [Y2: $i] :
                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                            = Y0 )
                                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4530]) ).

thf(f4535,plain,
    ( ( 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
                                                                     => ( !! @ $i
                                                                        @ ^ [Y0: $i] :
                                                                            ( ( ?? @ $i
                                                                              @ ^ [Y1: $i] :
                                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                  & ( ?? @ $i
                                                                                    @ ^ [Y2: $i] :
                                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                          = Y0 )
                                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4532]) ).

thf(f4538,plain,
    ( ( 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
                                                                   => ( !! @ $i
                                                                      @ ^ [Y0: $i] :
                                                                          ( ( ?? @ $i
                                                                            @ ^ [Y1: $i] :
                                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                & ( ?? @ $i
                                                                                  @ ^ [Y2: $i] :
                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                        = Y0 )
                                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4535]) ).

thf(f4541,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
                                                                 => ( !! @ $i
                                                                    @ ^ [Y0: $i] :
                                                                        ( ( ?? @ $i
                                                                          @ ^ [Y1: $i] :
                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                              & ( ?? @ $i
                                                                                @ ^ [Y2: $i] :
                                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                      = Y0 )
                                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4538]) ).

thf(f4544,plain,
    ( ( 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
                                                               => ( !! @ $i
                                                                  @ ^ [Y0: $i] :
                                                                      ( ( ?? @ $i
                                                                        @ ^ [Y1: $i] :
                                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                            & ( ?? @ $i
                                                                              @ ^ [Y2: $i] :
                                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                    = Y0 )
                                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4541]) ).

thf(f4548,plain,
    ( ( 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
                                                             => ( !! @ $i
                                                                @ ^ [Y0: $i] :
                                                                    ( ( ?? @ $i
                                                                      @ ^ [Y1: $i] :
                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                          & ( ?? @ $i
                                                                            @ ^ [Y2: $i] :
                                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                  = Y0 )
                                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4544]) ).

thf(f4550,plain,
    ( $false
    = ( 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
                                                           => ( !! @ $i
                                                              @ ^ [Y0: $i] :
                                                                  ( ( ?? @ $i
                                                                    @ ^ [Y1: $i] :
                                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                        & ( ?? @ $i
                                                                          @ ^ [Y2: $i] :
                                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                                = Y0 )
                                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4548]) ).

thf(f4554,plain,
    ( ( 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
                                                         => ( !! @ $i
                                                            @ ^ [Y0: $i] :
                                                                ( ( ?? @ $i
                                                                  @ ^ [Y1: $i] :
                                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                      & ( ?? @ $i
                                                                        @ ^ [Y2: $i] :
                                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                              = Y0 )
                                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4550]) ).

thf(f4556,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
                                                       => ( !! @ $i
                                                          @ ^ [Y0: $i] :
                                                              ( ( ?? @ $i
                                                                @ ^ [Y1: $i] :
                                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                    & ( ?? @ $i
                                                                      @ ^ [Y2: $i] :
                                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                            = Y0 )
                                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4554]) ).

thf(f4560,plain,
    ( ( 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
                                                     => ( !! @ $i
                                                        @ ^ [Y0: $i] :
                                                            ( ( ?? @ $i
                                                              @ ^ [Y1: $i] :
                                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                  & ( ?? @ $i
                                                                    @ ^ [Y2: $i] :
                                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                          = Y0 )
                                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4556]) ).

thf(f4562,plain,
    ( ( setunionE2
     => ( setunionsingleton1
       => ( setunionsingleton2
         => ( setunionsingleton
           => ( singletonprop
             => ( ex1E1
               => ( ex1I
                 => ( ex1I2
                   => ( singletonsuniq
                     => ( setukpairinjL1
                       => ( kfstsingleton
                         => ( theprop
                           => ( kfstpairEq
                             => ( cartprodfstin
                               => ( setukpairinjL2
                                 => ( setukpairinjL
                                   => ( setukpairinjR11
                                     => ( setukpairinjR12
                                       => ( setukpairinjR1
                                         => ( upairequniteq
                                           => ( setukpairinjR2
                                             => ( setukpairinjR
                                               => ( ksndsingleton
                                                 => ( ksndpairEq
                                                   => ( !! @ $i
                                                      @ ^ [Y0: $i] :
                                                          ( ( ?? @ $i
                                                            @ ^ [Y1: $i] :
                                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                & ( ?? @ $i
                                                                  @ ^ [Y2: $i] :
                                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                        = Y0 )
                                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4560]) ).

thf(f4566,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
                                                 => ( !! @ $i
                                                    @ ^ [Y0: $i] :
                                                        ( ( ?? @ $i
                                                          @ ^ [Y1: $i] :
                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                              & ( ?? @ $i
                                                                @ ^ [Y2: $i] :
                                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                      = Y0 )
                                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4562]) ).

thf(f4569,plain,
    ( ( setunionsingleton2
     => ( setunionsingleton
       => ( singletonprop
         => ( ex1E1
           => ( ex1I
             => ( ex1I2
               => ( singletonsuniq
                 => ( setukpairinjL1
                   => ( kfstsingleton
                     => ( theprop
                       => ( kfstpairEq
                         => ( cartprodfstin
                           => ( setukpairinjL2
                             => ( setukpairinjL
                               => ( setukpairinjR11
                                 => ( setukpairinjR12
                                   => ( setukpairinjR1
                                     => ( upairequniteq
                                       => ( setukpairinjR2
                                         => ( setukpairinjR
                                           => ( ksndsingleton
                                             => ( ksndpairEq
                                               => ( !! @ $i
                                                  @ ^ [Y0: $i] :
                                                      ( ( ?? @ $i
                                                        @ ^ [Y1: $i] :
                                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                            & ( ?? @ $i
                                                              @ ^ [Y2: $i] :
                                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                    = Y0 )
                                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4566]) ).

thf(f4572,plain,
    ( $false
    = ( setunionsingleton
     => ( singletonprop
       => ( ex1E1
         => ( ex1I
           => ( ex1I2
             => ( singletonsuniq
               => ( setukpairinjL1
                 => ( kfstsingleton
                   => ( theprop
                     => ( kfstpairEq
                       => ( cartprodfstin
                         => ( setukpairinjL2
                           => ( setukpairinjL
                             => ( setukpairinjR11
                               => ( setukpairinjR12
                                 => ( setukpairinjR1
                                   => ( upairequniteq
                                     => ( setukpairinjR2
                                       => ( setukpairinjR
                                         => ( ksndsingleton
                                           => ( ksndpairEq
                                             => ( !! @ $i
                                                @ ^ [Y0: $i] :
                                                    ( ( ?? @ $i
                                                      @ ^ [Y1: $i] :
                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                          & ( ?? @ $i
                                                            @ ^ [Y2: $i] :
                                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                  = Y0 )
                                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4569]) ).

thf(f4574,plain,
    ( $false
    = ( singletonprop
     => ( ex1E1
       => ( ex1I
         => ( ex1I2
           => ( singletonsuniq
             => ( setukpairinjL1
               => ( kfstsingleton
                 => ( theprop
                   => ( kfstpairEq
                     => ( cartprodfstin
                       => ( setukpairinjL2
                         => ( setukpairinjL
                           => ( setukpairinjR11
                             => ( setukpairinjR12
                               => ( setukpairinjR1
                                 => ( upairequniteq
                                   => ( setukpairinjR2
                                     => ( setukpairinjR
                                       => ( ksndsingleton
                                         => ( ksndpairEq
                                           => ( !! @ $i
                                              @ ^ [Y0: $i] :
                                                  ( ( ?? @ $i
                                                    @ ^ [Y1: $i] :
                                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                        & ( ?? @ $i
                                                          @ ^ [Y2: $i] :
                                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                                = Y0 )
                                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4572]) ).

thf(f4578,plain,
    ( ( ex1E1
     => ( ex1I
       => ( ex1I2
         => ( singletonsuniq
           => ( setukpairinjL1
             => ( kfstsingleton
               => ( theprop
                 => ( kfstpairEq
                   => ( cartprodfstin
                     => ( setukpairinjL2
                       => ( setukpairinjL
                         => ( setukpairinjR11
                           => ( setukpairinjR12
                             => ( setukpairinjR1
                               => ( upairequniteq
                                 => ( setukpairinjR2
                                   => ( setukpairinjR
                                     => ( ksndsingleton
                                       => ( ksndpairEq
                                         => ( !! @ $i
                                            @ ^ [Y0: $i] :
                                                ( ( ?? @ $i
                                                  @ ^ [Y1: $i] :
                                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                      & ( ?? @ $i
                                                        @ ^ [Y2: $i] :
                                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                              = Y0 )
                                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4574]) ).

thf(f4581,plain,
    ( $false
    = ( ex1I
     => ( ex1I2
       => ( singletonsuniq
         => ( setukpairinjL1
           => ( kfstsingleton
             => ( theprop
               => ( kfstpairEq
                 => ( cartprodfstin
                   => ( setukpairinjL2
                     => ( setukpairinjL
                       => ( setukpairinjR11
                         => ( setukpairinjR12
                           => ( setukpairinjR1
                             => ( upairequniteq
                               => ( setukpairinjR2
                                 => ( setukpairinjR
                                   => ( ksndsingleton
                                     => ( ksndpairEq
                                       => ( !! @ $i
                                          @ ^ [Y0: $i] :
                                              ( ( ?? @ $i
                                                @ ^ [Y1: $i] :
                                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                    & ( ?? @ $i
                                                      @ ^ [Y2: $i] :
                                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                            = Y0 )
                                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4578]) ).

thf(f4583,plain,
    ( ( ex1I2
     => ( singletonsuniq
       => ( setukpairinjL1
         => ( kfstsingleton
           => ( theprop
             => ( kfstpairEq
               => ( cartprodfstin
                 => ( setukpairinjL2
                   => ( setukpairinjL
                     => ( setukpairinjR11
                       => ( setukpairinjR12
                         => ( setukpairinjR1
                           => ( upairequniteq
                             => ( setukpairinjR2
                               => ( setukpairinjR
                                 => ( ksndsingleton
                                   => ( ksndpairEq
                                     => ( !! @ $i
                                        @ ^ [Y0: $i] :
                                            ( ( ?? @ $i
                                              @ ^ [Y1: $i] :
                                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                  & ( ?? @ $i
                                                    @ ^ [Y2: $i] :
                                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                          = Y0 )
                                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                              = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4581]) ).

thf(f4587,plain,
    ( $false
    = ( singletonsuniq
     => ( setukpairinjL1
       => ( kfstsingleton
         => ( theprop
           => ( kfstpairEq
             => ( cartprodfstin
               => ( setukpairinjL2
                 => ( setukpairinjL
                   => ( setukpairinjR11
                     => ( setukpairinjR12
                       => ( setukpairinjR1
                         => ( upairequniteq
                           => ( setukpairinjR2
                             => ( setukpairinjR
                               => ( ksndsingleton
                                 => ( ksndpairEq
                                   => ( !! @ $i
                                      @ ^ [Y0: $i] :
                                          ( ( ?? @ $i
                                            @ ^ [Y1: $i] :
                                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                & ( ?? @ $i
                                                  @ ^ [Y2: $i] :
                                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                        = Y0 )
                                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4583]) ).

thf(f4590,plain,
    ( $false
    = ( setukpairinjL1
     => ( kfstsingleton
       => ( theprop
         => ( kfstpairEq
           => ( cartprodfstin
             => ( setukpairinjL2
               => ( setukpairinjL
                 => ( setukpairinjR11
                   => ( setukpairinjR12
                     => ( setukpairinjR1
                       => ( upairequniteq
                         => ( setukpairinjR2
                           => ( setukpairinjR
                             => ( ksndsingleton
                               => ( ksndpairEq
                                 => ( !! @ $i
                                    @ ^ [Y0: $i] :
                                        ( ( ?? @ $i
                                          @ ^ [Y1: $i] :
                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                              & ( ?? @ $i
                                                @ ^ [Y2: $i] :
                                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                      = Y0 )
                                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                          = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4587]) ).

thf(f4593,plain,
    ( $false
    = ( kfstsingleton
     => ( theprop
       => ( kfstpairEq
         => ( cartprodfstin
           => ( setukpairinjL2
             => ( setukpairinjL
               => ( setukpairinjR11
                 => ( setukpairinjR12
                   => ( setukpairinjR1
                     => ( upairequniteq
                       => ( setukpairinjR2
                         => ( setukpairinjR
                           => ( ksndsingleton
                             => ( ksndpairEq
                               => ( !! @ $i
                                  @ ^ [Y0: $i] :
                                      ( ( ?? @ $i
                                        @ ^ [Y1: $i] :
                                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                            & ( ?? @ $i
                                              @ ^ [Y2: $i] :
                                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                    = Y0 )
                                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                        = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4590]) ).

thf(f4596,plain,
    ( $false
    = ( theprop
     => ( kfstpairEq
       => ( cartprodfstin
         => ( setukpairinjL2
           => ( setukpairinjL
             => ( setukpairinjR11
               => ( setukpairinjR12
                 => ( setukpairinjR1
                   => ( upairequniteq
                     => ( setukpairinjR2
                       => ( setukpairinjR
                         => ( ksndsingleton
                           => ( ksndpairEq
                             => ( !! @ $i
                                @ ^ [Y0: $i] :
                                    ( ( ?? @ $i
                                      @ ^ [Y1: $i] :
                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                          & ( ?? @ $i
                                            @ ^ [Y2: $i] :
                                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                  = Y0 )
                                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                      = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4593]) ).

thf(f4599,plain,
    ( ( kfstpairEq
     => ( cartprodfstin
       => ( setukpairinjL2
         => ( setukpairinjL
           => ( setukpairinjR11
             => ( setukpairinjR12
               => ( setukpairinjR1
                 => ( upairequniteq
                   => ( setukpairinjR2
                     => ( setukpairinjR
                       => ( ksndsingleton
                         => ( ksndpairEq
                           => ( !! @ $i
                              @ ^ [Y0: $i] :
                                  ( ( ?? @ $i
                                    @ ^ [Y1: $i] :
                                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                        & ( ?? @ $i
                                          @ ^ [Y2: $i] :
                                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                                = Y0 )
                                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                    = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4596]) ).

thf(f4601,plain,
    ( ( cartprodfstin
     => ( setukpairinjL2
       => ( setukpairinjL
         => ( setukpairinjR11
           => ( setukpairinjR12
             => ( setukpairinjR1
               => ( upairequniteq
                 => ( setukpairinjR2
                   => ( setukpairinjR
                     => ( ksndsingleton
                       => ( ksndpairEq
                         => ( !! @ $i
                            @ ^ [Y0: $i] :
                                ( ( ?? @ $i
                                  @ ^ [Y1: $i] :
                                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                      & ( ?? @ $i
                                        @ ^ [Y2: $i] :
                                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                              = Y0 )
                                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                  = Y0 ) ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4599]) ).

thf(f4602,plain,
    kfstpairEq = $true,
    inference(imp_proxy_clausification,[],[f4599]) ).

thf(f4604,plain,
    spl0_563,
    inference(avatar_split_clause,[],[f4602,f3682]) ).

thf(f4605,plain,
    ( ( setukpairinjL2
     => ( setukpairinjL
       => ( setukpairinjR11
         => ( setukpairinjR12
           => ( setukpairinjR1
             => ( upairequniteq
               => ( setukpairinjR2
                 => ( setukpairinjR
                   => ( ksndsingleton
                     => ( ksndpairEq
                       => ( !! @ $i
                          @ ^ [Y0: $i] :
                              ( ( ?? @ $i
                                @ ^ [Y1: $i] :
                                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                    & ( ?? @ $i
                                      @ ^ [Y2: $i] :
                                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                            = Y0 )
                                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                                = Y0 ) ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4601]) ).

thf(f4607,plain,
    ( ( setukpairinjL
     => ( setukpairinjR11
       => ( setukpairinjR12
         => ( setukpairinjR1
           => ( upairequniteq
             => ( setukpairinjR2
               => ( setukpairinjR
                 => ( ksndsingleton
                   => ( ksndpairEq
                     => ( !! @ $i
                        @ ^ [Y0: $i] :
                            ( ( ?? @ $i
                              @ ^ [Y1: $i] :
                                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                  & ( ?? @ $i
                                    @ ^ [Y2: $i] :
                                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                          = Y0 )
                                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                              = Y0 ) ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4605]) ).

thf(f4610,plain,
    ( $false
    = ( setukpairinjR11
     => ( setukpairinjR12
       => ( setukpairinjR1
         => ( upairequniteq
           => ( setukpairinjR2
             => ( setukpairinjR
               => ( ksndsingleton
                 => ( ksndpairEq
                   => ( !! @ $i
                      @ ^ [Y0: $i] :
                          ( ( ?? @ $i
                            @ ^ [Y1: $i] :
                                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                & ( ?? @ $i
                                  @ ^ [Y2: $i] :
                                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                        = Y0 )
                                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                            = Y0 ) ) ) ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4607]) ).

thf(f4613,plain,
    ( ( setukpairinjR12
     => ( setukpairinjR1
       => ( upairequniteq
         => ( setukpairinjR2
           => ( setukpairinjR
             => ( ksndsingleton
               => ( ksndpairEq
                 => ( !! @ $i
                    @ ^ [Y0: $i] :
                        ( ( ?? @ $i
                          @ ^ [Y1: $i] :
                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                              & ( ?? @ $i
                                @ ^ [Y2: $i] :
                                    ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                      = Y0 )
                                    & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                       => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                          = Y0 ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4610]) ).

thf(f4616,plain,
    ( ( setukpairinjR1
     => ( upairequniteq
       => ( setukpairinjR2
         => ( setukpairinjR
           => ( ksndsingleton
             => ( ksndpairEq
               => ( !! @ $i
                  @ ^ [Y0: $i] :
                      ( ( ?? @ $i
                        @ ^ [Y1: $i] :
                            ( ( in @ Y1 @ ( setunion @ Y0 ) )
                            & ( ?? @ $i
                              @ ^ [Y2: $i] :
                                  ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                    = Y0 )
                                  & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                     => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                        = Y0 ) ) ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4613]) ).

thf(f4620,plain,
    ( $false
    = ( upairequniteq
     => ( setukpairinjR2
       => ( setukpairinjR
         => ( ksndsingleton
           => ( ksndpairEq
             => ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ( ?? @ $i
                      @ ^ [Y1: $i] :
                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                          & ( ?? @ $i
                            @ ^ [Y2: $i] :
                                ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                  = Y0 )
                                & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                   => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                      = Y0 ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4616]) ).

thf(f4622,plain,
    ( ( setukpairinjR2
     => ( setukpairinjR
       => ( ksndsingleton
         => ( ksndpairEq
           => ( !! @ $i
              @ ^ [Y0: $i] :
                  ( ( ?? @ $i
                    @ ^ [Y1: $i] :
                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                        & ( ?? @ $i
                          @ ^ [Y2: $i] :
                              ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                                = Y0 )
                              & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
                 => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                    = Y0 ) ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4620]) ).

thf(f4626,plain,
    ( ( setukpairinjR
     => ( ksndsingleton
       => ( ksndpairEq
         => ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( ?? @ $i
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ ( setunion @ Y0 ) )
                      & ( ?? @ $i
                        @ ^ [Y2: $i] :
                            ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                              = Y0 )
                            & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
               => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                  = Y0 ) ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4622]) ).

thf(f4628,plain,
    ( ( ksndsingleton
     => ( ksndpairEq
       => ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( ?? @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( setunion @ Y0 ) )
                    & ( ?? @ $i
                      @ ^ [Y2: $i] :
                          ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                            = Y0 )
                          & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
             => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
                = Y0 ) ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4626]) ).

thf(f4632,plain,
    ( ( ksndpairEq
     => ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ ( setunion @ Y0 ) )
                  & ( ?? @ $i
                    @ ^ [Y2: $i] :
                        ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                          = Y0 )
                        & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
           => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
              = Y0 ) ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f4628]) ).

thf(f4635,plain,
    ( $false
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                & ( ?? @ $i
                  @ ^ [Y2: $i] :
                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                        = Y0 )
                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
            = Y0 ) ) ) ),
    inference(imp_proxy_clausification,[],[f4632]) ).

thf(f4636,plain,
    ksndpairEq = $true,
    inference(imp_proxy_clausification,[],[f4632]) ).

thf(f4637,plain,
    spl0_539,
    inference(avatar_split_clause,[],[f4636,f3573]) ).

thf(f4638,plain,
    ( ( ^ [Y0: $i] :
          ( ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ ( setunion @ Y0 ) )
                & ( ?? @ $i
                  @ ^ [Y2: $i] :
                      ( ( ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y2 @ emptyset ) ) @ emptyset ) )
                        = Y0 )
                      & ( in @ Y2 @ ( setunion @ Y0 ) ) ) ) ) )
         => ( ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ Y0 ) @ ( setadjoin @ ( ksnd @ Y0 ) @ emptyset ) ) @ emptyset ) )
            = Y0 ) )
      @ sK1 )
    = $false ),
    inference(sigma_proxy_clausification,[],[f4635]) ).

thf(f4639,plain,
    ( ( ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ ( setunion @ sK1 ) )
            & ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) )
                    = sK1 )
                  & ( in @ Y1 @ ( setunion @ sK1 ) ) ) ) ) )
     => ( ( setadjoin @ ( setadjoin @ ( kfst @ sK1 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ sK1 ) @ ( setadjoin @ ( ksnd @ sK1 ) @ emptyset ) ) @ emptyset ) )
        = sK1 ) )
    = $false ),
    inference(beta-eta_normalization,[],[f4638]) ).

thf(f4640,plain,
    ( ( ( setadjoin @ ( setadjoin @ ( kfst @ sK1 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ sK1 ) @ ( setadjoin @ ( ksnd @ sK1 ) @ emptyset ) ) @ emptyset ) )
      = sK1 )
    = $false ),
    inference(imp_proxy_clausification,[],[f4639]) ).

thf(f4641,plain,
    ( $true
    = ( ?? @ $i
      @ ^ [Y0: $i] :
          ( ( in @ Y0 @ ( setunion @ sK1 ) )
          & ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) )
                  = sK1 )
                & ( in @ Y1 @ ( setunion @ sK1 ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f4639]) ).

thf(f4642,plain,
    ( ( setadjoin @ ( setadjoin @ ( kfst @ sK1 ) @ emptyset ) @ ( setadjoin @ ( setadjoin @ ( kfst @ sK1 ) @ ( setadjoin @ ( ksnd @ sK1 ) @ emptyset ) ) @ emptyset ) )
   != sK1 ),
    inference(equality_proxy_clausification,[],[f4640]) ).

thf(f4652,plain,
    ( $true
    = ( ^ [Y0: $i] :
          ( ( in @ Y0 @ ( setunion @ sK1 ) )
          & ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) )
                  = sK1 )
                & ( in @ Y1 @ ( setunion @ sK1 ) ) ) ) )
      @ sK2 ) ),
    inference(sigma_proxy_clausification,[],[f4641]) ).

thf(f4653,plain,
    ( ( ( in @ sK2 @ ( setunion @ sK1 ) )
      & ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( ( setadjoin @ ( setadjoin @ sK2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK2 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) )
              = sK1 )
            & ( in @ Y0 @ ( setunion @ sK1 ) ) ) ) )
    = $true ),
    inference(beta-eta_normalization,[],[f4652]) ).

thf(f4654,plain,
    ( $true
    = ( ?? @ $i
      @ ^ [Y0: $i] :
          ( ( ( setadjoin @ ( setadjoin @ sK2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK2 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) )
            = sK1 )
          & ( in @ Y0 @ ( setunion @ sK1 ) ) ) ) ),
    inference(and_proxy_clausification,[],[f4653]) ).

thf(f4656,plain,
    ( $true
    = ( ^ [Y0: $i] :
          ( ( ( setadjoin @ ( setadjoin @ sK2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK2 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) )
            = sK1 )
          & ( in @ Y0 @ ( setunion @ sK1 ) ) )
      @ sK3 ) ),
    inference(sigma_proxy_clausification,[],[f4654]) ).

thf(f4657,plain,
    ( $true
    = ( ( ( setadjoin @ ( setadjoin @ sK2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK2 @ ( setadjoin @ sK3 @ emptyset ) ) @ emptyset ) )
        = sK1 )
      & ( in @ sK3 @ ( setunion @ sK1 ) ) ) ),
    inference(beta-eta_normalization,[],[f4656]) ).

thf(f4659,plain,
    ( $true
    = ( ( setadjoin @ ( setadjoin @ sK2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK2 @ ( setadjoin @ sK3 @ emptyset ) ) @ emptyset ) )
      = sK1 ) ),
    inference(and_proxy_clausification,[],[f4657]) ).

thf(f4660,plain,
    ( sK1
    = ( setadjoin @ ( setadjoin @ sK2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK2 @ ( setadjoin @ sK3 @ emptyset ) ) @ emptyset ) ) ),
    inference(equality_proxy_clausification,[],[f4659]) ).

thf(f5156,plain,
    ( ( $true = $false )
    | ~ spl0_563
    | ~ spl0_565 ),
    inference(superposition,[],[f3684,f3693]) ).

thf(f5159,plain,
    ( $false
    | ~ spl0_563
    | ~ spl0_565 ),
    inference(trivial_inequality_removal,[],[f5156]) ).

thf(f5160,plain,
    ( ~ spl0_563
    | ~ spl0_565 ),
    inference(avatar_contradiction_clause,[],[f5159]) ).

thf(f8309,plain,
    ( ! [X1: $i] :
        ( $true
        = ( ^ [Y0: $i] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( ksnd @ ( setadjoin @ ( setadjoin @ Y1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y1 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) ) )
                  = Y0 ) )
          @ X1 ) )
    | ~ spl0_537 ),
    inference(pi_proxy_clausification,[],[f3566]) ).

thf(f8310,plain,
    ( ! [X1: $i] :
        ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( ksnd @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ X1 @ emptyset ) ) @ emptyset ) ) )
              = X1 ) ) )
    | ~ spl0_537 ),
    inference(beta-eta_normalization,[],[f8309]) ).

thf(f8311,plain,
    ( ! [X2: $i,X1: $i] :
        ( $true
        = ( ^ [Y0: $i] :
              ( ( ksnd @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ X1 @ emptyset ) ) @ emptyset ) ) )
              = X1 )
          @ X2 ) )
    | ~ spl0_537 ),
    inference(pi_proxy_clausification,[],[f8310]) ).

thf(f8312,plain,
    ( ! [X2: $i,X1: $i] :
        ( $true
        = ( ( ksnd @ ( setadjoin @ ( setadjoin @ X2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X2 @ ( setadjoin @ X1 @ emptyset ) ) @ emptyset ) ) )
          = X1 ) )
    | ~ spl0_537 ),
    inference(beta-eta_normalization,[],[f8311]) ).

thf(f8313,plain,
    ( ! [X2: $i,X1: $i] :
        ( ( ksnd @ ( setadjoin @ ( setadjoin @ X2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X2 @ ( setadjoin @ X1 @ emptyset ) ) @ emptyset ) ) )
        = X1 )
    | ~ spl0_537 ),
    inference(equality_proxy_clausification,[],[f8312]) ).

thf(f8356,plain,
    ( ( sK3
      = ( ksnd @ sK1 ) )
    | ~ spl0_537 ),
    inference(superposition,[],[f8313,f4660]) ).

thf(f8362,plain,
    ( ! [X1: $i] :
        ( $true
        = ( ^ [Y0: $i] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( kfst @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) )
                  = Y0 ) )
          @ X1 ) )
    | ~ spl0_566 ),
    inference(pi_proxy_clausification,[],[f3697]) ).

thf(f8363,plain,
    ( ! [X1: $i] :
        ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( kfst @ ( setadjoin @ ( setadjoin @ X1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X1 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) ) )
              = X1 ) ) )
    | ~ spl0_566 ),
    inference(beta-eta_normalization,[],[f8362]) ).

thf(f8366,plain,
    ( ! [X2: $i,X1: $i] :
        ( $true
        = ( ^ [Y0: $i] :
              ( ( kfst @ ( setadjoin @ ( setadjoin @ X1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X1 @ ( setadjoin @ Y0 @ emptyset ) ) @ emptyset ) ) )
              = X1 )
          @ X2 ) )
    | ~ spl0_566 ),
    inference(pi_proxy_clausification,[],[f8363]) ).

thf(f8367,plain,
    ( ! [X2: $i,X1: $i] :
        ( $true
        = ( ( kfst @ ( setadjoin @ ( setadjoin @ X1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X1 @ ( setadjoin @ X2 @ emptyset ) ) @ emptyset ) ) )
          = X1 ) )
    | ~ spl0_566 ),
    inference(beta-eta_normalization,[],[f8366]) ).

thf(f8368,plain,
    ( ! [X2: $i,X1: $i] :
        ( ( kfst @ ( setadjoin @ ( setadjoin @ X1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X1 @ ( setadjoin @ X2 @ emptyset ) ) @ emptyset ) ) )
        = X1 )
    | ~ spl0_566 ),
    inference(equality_proxy_clausification,[],[f8367]) ).

thf(f8375,plain,
    ( ( sK2
      = ( kfst @ sK1 ) )
    | ~ spl0_566 ),
    inference(superposition,[],[f8368,f4660]) ).

thf(f8377,plain,
    ( ( sK1
     != ( setadjoin @ ( setadjoin @ sK2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK2 @ ( setadjoin @ ( ksnd @ sK1 ) @ emptyset ) ) @ emptyset ) ) )
    | ~ spl0_566 ),
    inference(superposition,[],[f4642,f8375]) ).

thf(f8387,plain,
    ( ( sK1
     != ( setadjoin @ ( setadjoin @ sK2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK2 @ ( setadjoin @ sK3 @ emptyset ) ) @ emptyset ) ) )
    | ~ spl0_537
    | ~ spl0_566 ),
    inference(forward_demodulation,[],[f8377,f8356]) ).

thf(f8389,plain,
    ( $false
    | ~ spl0_537
    | ~ spl0_566 ),
    inference(forward_subsumption_resolution,[],[f8387,f4660]) ).

thf(f8390,plain,
    ( ~ spl0_537
    | ~ spl0_566 ),
    inference(avatar_contradiction_clause,[],[f8389]) ).

thf(f8391,plain,
    ( ( $true = $false )
    | ~ spl0_538
    | ~ spl0_539 ),
    inference(superposition,[],[f3570,f3575]) ).

thf(f8397,plain,
    ( $false
    | ~ spl0_538
    | ~ spl0_539 ),
    inference(trivial_inequality_removal,[],[f8391]) ).

thf(f8398,plain,
    ( ~ spl0_538
    | ~ spl0_539 ),
    inference(avatar_contradiction_clause,[],[f8397]) ).

cnf(s279,plain,
    ( spl0_537
    | spl0_538 ),
    inference(sat_conversion,[],[f3571]) ).

cnf(s294,plain,
    ( spl0_565
    | spl0_566 ),
    inference(sat_conversion,[],[f3698]) ).

cnf(s502,plain,
    spl0_563,
    inference(sat_conversion,[],[f4604]) ).

cnf(s513,plain,
    spl0_539,
    inference(sat_conversion,[],[f4637]) ).

cnf(s609,plain,
    ( ~ spl0_563
    | ~ spl0_565 ),
    inference(sat_conversion,[],[f5160]) ).

cnf(s721,plain,
    ( ~ spl0_537
    | ~ spl0_566 ),
    inference(sat_conversion,[],[f8390]) ).

cnf(s723,plain,
    ( ~ spl0_538
    | ~ spl0_539 ),
    inference(sat_conversion,[],[f8398]) ).

cnf(s724,plain,
    ~ spl0_538,
    inference(rat,[],[s723,s513]) ).

cnf(s730,plain,
    ~ spl0_565,
    inference(rat,[],[s609,s502]) ).

cnf(s822,plain,
    spl0_566,
    inference(rat,[],[s294,s730]) ).

cnf(s823,plain,
    ~ spl0_537,
    inference(rat,[],[s721,s822]) ).

cnf(s828,plain,
    $false,
    inference(rat,[],[s279,s724,s823]) ).

thf(f8399,plain,
    $false,
    inference(avatar_sat_refutation,[],[s828]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05  % Problem  : SEU657^1 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.09  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.12/0.28  % Computer : n017.cluster.edu
% 0.12/0.28  % Model    : x86_64 x86_64
% 0.12/0.28  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.28  % Memory   : 8046.5625MB
% 0.12/0.28  % OS       : Linux 6.8.0-71-generic
% 0.12/0.28  % CPULimit : 300
% 0.12/0.28  % WCLimit  : 300
% 0.12/0.28  % DateTime : Tue Sep 29 13:58:22 UTC 2026
% 0.12/0.28  % CPUTime  : 
% 0.12/0.28  Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.29/0.33  Running higher-order theorem proving
% 0.35/0.41  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
% 0.42/0.64  % (385039)Detected a higher-order problem, will run a greedy HOL sequence.
% 0.42/0.64  % (385049)lrs+10_1_to=lpo:sil=128000:e2e=on:si=on:random_seed=1380870375:s2a=on:i=75:s2at=3:aac=none:bd=preordered:rtra=on:fe=abstraction_2999 on theBenchmark for (2999ds/75Mi)
% 0.42/0.64  % (385050)WARNING Broken Constraint: if ho_split_queue_ratios(1,8) has been set then ho_split_queue(off) is equal to on
% 0.42/0.64  % (385050)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
% 0.42/0.64  % (385045)lrs+10_16_si=on:nwc=1.5:random_seed=2203539431:i=18:kws=arity_squared:rtra=on:fe=abstraction:ntd=on_2999 on theBenchmark for (2999ds/18Mi)
% 0.42/0.64  % (385046)lrs+10_1_cnfonf=off:si=on:uwa=one_side_interpreted:random_seed=2356263441:i=3:rtra=on:inj=on:ntd=on_2999 on theBenchmark for (2999ds/3Mi)
% 0.42/0.64  % (385044)lrs+10_40_drc=off:e2e=on:si=on:uwa=one_side_interpreted:random_seed=100885429:s2a=on:i=87:rtra=on:ntd=on_2999 on theBenchmark for (2999ds/87Mi)
% 0.42/0.64  % (385048)dis+21_4_fde=none:e2e=on:si=on:uwa=off:foolp=on:random_seed=2164696578:i=24:av=off:rtra=on_2999 on theBenchmark for (2999ds/24Mi)
% 0.42/0.64  % (385050)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=567652736:hsqr=1,8:i=157:s2at=5:add=on:nm=2:rtra=on_2999 on theBenchmark for (2999ds/157Mi)
% 0.42/0.64  % (385047)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=1851472962: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)
% 0.42/0.64  % (385046)Instruction limit reached! 
% 0.42/0.64  % (385046)------------------------------
% 0.42/0.64  % (385046)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.42/0.64  % (385046)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.42/0.64  % (385046)CaDiCaL version: 2.1.3
% 0.42/0.64  % (385046)Termination reason: Instruction limit
% 0.42/0.64  % (385046)Termination phase: shuffling
% 0.42/0.64  % (385046)Time elapsed: 0.004 s
% 0.42/0.64  % (385046)Peak memory usage: 10 MB
% 0.42/0.64  % (385046)Instructions burned: 4 (million)
% 0.42/0.64  % (385045)Instruction limit reached! 
% 0.42/0.64  % (385045)------------------------------
% 0.42/0.64  % (385045)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.42/0.64  % (385045)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.42/0.64  % (385045)CaDiCaL version: 2.1.3
% 0.42/0.64  % (385045)Termination reason: Instruction limit
% 0.42/0.64  % (385045)Termination phase: shuffling
% 0.42/0.64  % (385045)Time elapsed: 0.016 s
% 0.42/0.64  % (385045)Peak memory usage: 10 MB
% 0.42/0.64  % (385045)Instructions burned: 19 (million)
% 0.42/0.64  % (385049)Instruction limit reached! 
% 0.42/0.64  % (385049)------------------------------
% 0.42/0.64  % (385049)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.42/0.64  % (385049)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.42/0.64  % (385049)CaDiCaL version: 2.1.3
% 0.42/0.64  % (385049)Termination reason: Instruction limit
% 0.42/0.64  % (385049)Termination phase: Property scanning
% 0.42/0.64  % (385049)Time elapsed: 0.034 s
% 0.42/0.64  % (385049)Peak memory usage: 12 MB
% 0.42/0.64  % (385049)Instructions burned: 75 (million)
% 0.42/0.64  % (385048)Instruction limit reached! 
% 0.42/0.64  % (385048)------------------------------
% 0.42/0.64  % (385048)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.42/0.64  % (385048)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.42/0.64  % (385048)CaDiCaL version: 2.1.3
% 0.42/0.64  % (385048)Termination reason: Instruction limit
% 0.42/0.64  % (385048)Termination phase: Naming
% 0.42/0.64  % (385048)Time elapsed: 0.021 s
% 0.42/0.64  % (385048)Peak memory usage: 11 MB
% 0.42/0.64  % (385048)Instructions burned: 25 (million)
% 0.42/0.64  % (385060)WARNING Broken Constraint: if forward_subsumption_demodulation_max_matches(5) has been set then forward_subsumption_demodulation(off) is equal to on
% 0.42/0.64  % (385060)dis+21_1_to=kbo:sil=128000:plsq=on:plsqc=1:cnfonf=lazy_gen:si=on:plsqr=64,1:uwa=hol:random_seed=968360537:uwa_fpi=on:i=7:fgj=on:hud=10:fsr=off:rtra=on:rawr=on:fsdmm=5_2999 on theBenchmark for (2999ds/7Mi)
% 1.55/0.71  % (385058)dis+10_1024_sil=128000:si=on:sp=unary_first:urr=on:uwa=all:fd=off:random_seed=3245204914:i=2:hud=10:rtra=on_2999 on theBenchmark for (2999ds/2Mi)
% 1.55/0.71  % (385060)Instruction limit reached! 
% 1.55/0.71  % (385060)------------------------------
% 1.55/0.71  % (385060)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.55/0.71  % (385060)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.55/0.71  % (385060)CaDiCaL version: 2.1.3
% 1.55/0.71  % (385060)Termination reason: Instruction limit
% 1.55/0.71  % (385060)Termination phase: shuffling
% 1.55/0.71  % (385060)Time elapsed: 0.004 s
% 1.55/0.71  % (385060)Peak memory usage: 10 MB
% 1.55/0.71  % (385060)Instructions burned: 9 (million)
% 1.55/0.71  % (385058)Instruction limit reached! 
% 1.55/0.71  % (385058)------------------------------
% 1.55/0.71  % (385058)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.55/0.71  % (385058)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.55/0.71  % (385058)CaDiCaL version: 2.1.3
% 1.55/0.71  % (385058)Termination reason: Instruction limit
% 1.55/0.71  % (385058)Termination phase: shuffling
% 1.55/0.71  % (385058)Time elapsed: 0.003 s
% 1.55/0.71  % (385058)Peak memory usage: 10 MB
% 1.55/0.71  % (385058)Instructions burned: 3 (million)
% 1.55/0.71  % (385059)lrs+1010_2:3_cha=on:si=on:uwa=off:nwc=1:random_seed=4161355835:i=5:fgj=on:av=off:rtra=on:fe=axiom:ntd=on_2999 on theBenchmark for (2999ds/5Mi)
% 1.55/0.71  % (385061)lrs+10_1_sil=128000:si=on:urr=on:slsqc=1:slsq=on:random_seed=3683670575:i=12:s2at=2:kws=inv_frequency:bd=all:rtra=on_2999 on theBenchmark for (2999ds/12Mi)
% 1.55/0.71  % (385059)Instruction limit reached! 
% 1.55/0.71  % (385059)------------------------------
% 1.55/0.71  % (385059)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.55/0.71  % (385059)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.55/0.71  % (385059)CaDiCaL version: 2.1.3
% 1.55/0.71  % (385059)Termination reason: Instruction limit
% 1.55/0.71  % (385059)Termination phase: shuffling
% 1.55/0.71  % (385059)Time elapsed: 0.005 s
% 1.55/0.71  % (385059)Peak memory usage: 10 MB
% 1.55/0.71  % (385059)Instructions burned: 5 (million)
% 1.55/0.71  % (385065)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=3745447856:i=86:piset=equals:rtra=on:ntd=on_2998 on theBenchmark for (2998ds/86Mi)
% 1.55/0.71  % (385061)Instruction limit reached! 
% 1.55/0.71  % (385061)------------------------------
% 1.55/0.71  % (385061)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.55/0.71  % (385061)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.55/0.71  % (385061)CaDiCaL version: 2.1.3
% 1.55/0.71  % (385061)Termination reason: Instruction limit
% 1.55/0.71  % (385061)Termination phase: shuffling
% 1.55/0.71  % (385061)Time elapsed: 0.011 s
% 1.55/0.71  % (385061)Peak memory usage: 10 MB
% 1.55/0.71  % (385061)Instructions burned: 12 (million)
% 1.55/0.71  % (385064)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
% 1.55/0.71  % (385064)WARNING Broken Constraint: if forward_subsumption_demodulation_max_matches(1) has been set then forward_subsumption_demodulation(off) is equal to on
% 1.55/0.71  % (385044)Instruction limit reached! 
% 1.55/0.71  % (385044)------------------------------
% 1.55/0.71  % (385044)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.55/0.71  % (385044)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.55/0.71  % (385044)CaDiCaL version: 2.1.3
% 1.55/0.71  % (385044)Termination reason: Instruction limit
% 1.55/0.71  % (385044)Termination phase: Property scanning
% 1.55/0.71  % (385044)Time elapsed: 0.074 s
% 1.55/0.71  % (385044)Peak memory usage: 13 MB
% 1.55/0.71  % (385044)Instructions burned: 88 (million)
% 1.55/0.71  % (385064)ott+1010_64_tgt=ground:cnfonf=lazy_simp:si=on:lma=off:spb=goal:lcm=predicate:random_seed=830703404:i=28:s2at=5:piset=not:hud=10:bd=all:av=off:rtra=on:ixr=off:fsdmm=1_2998 on theBenchmark for (2998ds/28Mi)
% 1.55/0.71  % (385070)WARNING Broken Constraint: if positive_literal_split_queue_ratios(1,32) has been set then positive_literal_split_queue(off) is equal to on
% 1.55/0.71  % (385065)Instruction limit reached! 
% 1.55/0.71  % (385065)------------------------------
% 1.55/0.71  % (385065)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.79/0.79  % (385065)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.79/0.79  % (385065)CaDiCaL version: 2.1.3
% 1.79/0.79  % (385065)Termination reason: Instruction limit
% 1.79/0.79  % (385065)Termination phase: Saturation
% 1.79/0.79  % (385065)Time elapsed: 0.035 s
% 1.79/0.79  % (385065)Peak memory usage: 12 MB
% 1.79/0.79  % (385065)Instructions burned: 87 (million)
% 1.79/0.79  % (385070)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=2483847858:i=2:add=on:rtra=on_2998 on theBenchmark for (2998ds/2Mi)
% 1.79/0.79  % (385064)Instruction limit reached! 
% 1.79/0.79  % (385064)------------------------------
% 1.79/0.79  % (385064)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.79/0.79  % (385064)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.79/0.79  % (385064)CaDiCaL version: 2.1.3
% 1.79/0.79  % (385064)Termination reason: Instruction limit
% 1.79/0.79  % (385064)Termination phase: Property scanning
% 1.79/0.79  % (385064)Time elapsed: 0.023 s
% 1.79/0.79  % (385064)Peak memory usage: 10 MB
% 1.79/0.79  % (385064)Instructions burned: 28 (million)
% 1.79/0.79  % (385070)Instruction limit reached! 
% 1.79/0.79  % (385070)------------------------------
% 1.79/0.79  % (385070)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.79/0.79  % (385070)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.79/0.79  % (385070)CaDiCaL version: 2.1.3
% 1.79/0.79  % (385070)Termination reason: Instruction limit
% 1.79/0.79  % (385070)Termination phase: shuffling
% 1.79/0.79  % (385070)Time elapsed: 0.002 s
% 1.79/0.79  % (385070)Peak memory usage: 10 MB
% 1.79/0.79  % (385070)Instructions burned: 2 (million)
% 1.79/0.79  % (385072)lrs+1002_3:1_sil=128000:e2e=on:si=on:urr=on:uwa=one_side_constant:nwc=1.5:random_seed=2063605661:i=38:bd=all:rtra=on:amm=off:ss=axioms:ntd=on_2998 on theBenchmark for (2998ds/38Mi)
% 1.79/0.79  % (385068)lrs+10_1_si=on:cs=on:random_seed=2481188619:i=8:rtra=on:ntd=on_2998 on theBenchmark for (2998ds/8Mi)
% 1.79/0.79  % (385050)Instruction limit reached! 
% 1.79/0.79  % (385050)------------------------------
% 1.79/0.79  % (385050)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.79/0.79  % (385050)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.79/0.79  % (385050)CaDiCaL version: 2.1.3
% 1.79/0.79  % (385050)Termination reason: Instruction limit
% 1.79/0.79  % (385050)Termination phase: Saturation
% 1.79/0.79  % (385050)Time elapsed: 0.126 s
% 1.79/0.79  % (385050)Peak memory usage: 14 MB
% 1.79/0.79  % (385050)Instructions burned: 158 (million)
% 1.79/0.79  % (385074)lrs+1002_1_to=lpo:sil=128000:si=on:sos=on:spb=goal_then_units:uwa=off:random_seed=3604994429:st=2:i=249:sd=1:rtra=on:ss=axioms_2998 on theBenchmark for (2998ds/249Mi)
% 1.79/0.79  % (385075)dis+1002_1_sil=128000:fde=unused:e2e=on:si=on:cbe=off:uwa=off:random_seed=3935351309:hsq=on:st=2:i=25:kws=inv_frequency:rtra=on:ss=axioms:ntd=on_2998 on theBenchmark for (2998ds/25Mi)
% 1.79/0.79  % (385076)lrs+10_16:1_sil=128000:si=on:lma=off:urr=on:uwa=interpreted_only:random_seed=2140043398:i=14:kws=precedence:aac=none:nm=10:rtra=on:er=filter:ntd=on_2998 on theBenchmark for (2998ds/14Mi)
% 1.79/0.79  % (385068)Instruction limit reached! 
% 1.79/0.79  % (385068)------------------------------
% 1.79/0.79  % (385068)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.79/0.79  % (385068)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.79/0.79  % (385068)CaDiCaL version: 2.1.3
% 1.79/0.79  % (385068)Termination reason: Instruction limit
% 1.79/0.79  % (385068)Termination phase: shuffling
% 1.79/0.79  % (385068)Time elapsed: 0.016 s
% 1.79/0.79  % (385068)Peak memory usage: 10 MB
% 1.79/0.79  % (385068)Instructions burned: 8 (million)
% 1.79/0.79  % (385072)Instruction limit reached! 
% 1.79/0.79  % (385072)------------------------------
% 1.79/0.79  % (385072)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 1.79/0.79  % (385072)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.79/0.79  % (385072)CaDiCaL version: 2.1.3
% 1.79/0.79  % (385072)Termination reason: Instruction limit
% 1.79/0.79  % (385072)Termination phase: Preprocessing 3
% 1.79/0.79  % (385072)Time elapsed: 0.032 s
% 1.79/0.79  % (385072)Peak memory usage: 11 MB
% 1.79/0.79  % (385072)Instructions burned: 38 (million)
% 1.79/0.79  % (385076)Instruction limit reached! 
% 1.79/0.79  % (385076)------------------------------
% 2.73/0.91  % (385076)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.73/0.91  % (385076)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.73/0.91  % (385076)CaDiCaL version: 2.1.3
% 2.73/0.91  % (385076)Termination reason: Instruction limit
% 2.73/0.91  % (385076)Termination phase: shuffling
% 2.73/0.91  % (385076)Time elapsed: 0.013 s
% 2.73/0.91  % (385076)Peak memory usage: 10 MB
% 2.73/0.91  % (385076)Instructions burned: 14 (million)
% 2.73/0.91  % (385075)Instruction limit reached! 
% 2.73/0.91  % (385075)------------------------------
% 2.73/0.91  % (385075)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.73/0.91  % (385075)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.73/0.91  % (385075)CaDiCaL version: 2.1.3
% 2.73/0.91  % (385075)Termination reason: Instruction limit
% 2.73/0.91  % (385075)Termination phase: SInE selection
% 2.73/0.91  % (385075)Time elapsed: 0.021 s
% 2.73/0.91  % (385075)Peak memory usage: 11 MB
% 2.73/0.91  % (385075)Instructions burned: 25 (million)
% 2.73/0.91  % (385079)dis+1010_1_sil=128000:si=on:uwa=off:random_seed=3790231606:st=3:s2a=on:i=327:sd=3:rtra=on:ss=axioms_2998 on theBenchmark for (2998ds/327Mi)
% 2.73/0.91  % (385084)ott+21_20_to=lpo:sil=128000:tgt=ground:si=on:sp=arity:lma=off:uwa=off:foolp=on:random_seed=3679964596: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)
% 2.73/0.91  % (385084)Instruction limit reached! 
% 2.73/0.91  % (385084)------------------------------
% 2.73/0.91  % (385084)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.73/0.91  % (385084)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.73/0.91  % (385084)CaDiCaL version: 2.1.3
% 2.73/0.91  % (385084)Termination reason: Instruction limit
% 2.73/0.91  % (385084)Termination phase: shuffling
% 2.73/0.91  % (385084)Time elapsed: 0.003 s
% 2.73/0.91  % (385084)Peak memory usage: 10 MB
% 2.73/0.91  % (385084)Instructions burned: 3 (million)
% 2.73/0.91  % (385083)dis+10_1_anc=all_dependent:to=kbo:sil=128000:si=on:chr=on:random_seed=2301808640:uwa_fpi=on:i=14:aac=none:rtra=on:fe=abstraction_2997 on theBenchmark for (2997ds/14Mi)
% 2.73/0.91  % (385085)ott+1004_1_sil=128000:cnfonf=lazy_pi_sigma_gen:si=on:sp=unary_frequency:cbe=off:uwa=off:nwc=1:random_seed=490728928:i=26:ep=R:rtra=on:ntd=on_2997 on theBenchmark for (2997ds/26Mi)
% 2.73/0.91  % (385086)dis+1002_16_sil=128000:si=on:sp=occurrence:random_seed=3674833881:cond=fast:i=23:hud=1:av=off:rtra=on:fe=abstraction:ntd=on_2997 on theBenchmark for (2997ds/23Mi)
% 2.73/0.91  % (385083)Instruction limit reached! 
% 2.73/0.91  % (385083)------------------------------
% 2.73/0.91  % (385083)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.73/0.91  % (385083)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.73/0.91  % (385083)CaDiCaL version: 2.1.3
% 2.73/0.91  % (385083)Termination reason: Instruction limit
% 2.73/0.91  % (385083)Termination phase: shuffling
% 2.73/0.91  % (385083)Time elapsed: 0.008 s
% 2.73/0.91  % (385083)Peak memory usage: 10 MB
% 2.73/0.91  % (385083)Instructions burned: 16 (million)
% 2.73/0.91  % (385085)Instruction limit reached! 
% 2.73/0.91  % (385085)------------------------------
% 2.73/0.91  % (385085)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.73/0.91  % (385085)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.73/0.91  % (385085)CaDiCaL version: 2.1.3
% 2.73/0.91  % (385085)Termination reason: Instruction limit
% 2.73/0.91  % (385085)Termination phase: Property scanning
% 2.73/0.91  % (385085)Time elapsed: 0.022 s
% 2.73/0.91  % (385085)Peak memory usage: 10 MB
% 2.73/0.91  % (385085)Instructions burned: 26 (million)
% 2.73/0.91  % (385086)Instruction limit reached! 
% 2.73/0.91  % (385086)------------------------------
% 2.73/0.91  % (385086)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 2.73/0.91  % (385086)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.73/0.91  % (385086)CaDiCaL version: 2.1.3
% 2.73/0.91  % (385086)Termination reason: Instruction limit
% 2.73/0.91  % (385086)Termination phase: Property scanning
% 2.73/0.91  % (385086)Time elapsed: 0.020 s
% 2.73/0.91  % (385086)Peak memory usage: 10 MB
% 2.73/0.91  % (385086)Instructions burned: 24 (million)
% 2.73/0.91  % (385089)lrs+1002_1024_sil=128000:tgt=ground:fde=none:e2e=on:si=on:uwa=off:nwc=1:random_seed=2514603548:cond=on:i=60:rtra=on:ntd=on_2997 on theBenchmark for (2997ds/60Mi)
% 2.73/0.91  % (385093)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
% 3.57/1.02  % (385093)WARNING Broken Constraint: if lrs_weight_limit_only(on) has been set then saturation_algorithm(otter) is equal to lrs
% 3.57/1.02  % (385093)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=971261862:i=14:add=off:nm=40:rtra=on:rawr=on_2997 on theBenchmark for (2997ds/14Mi)
% 3.57/1.02  % (385094)WARNING Broken Constraint: if choice_reasoning(on) has been set then choice_ax(on) is equal to off
% 3.57/1.02  % (385093)Instruction limit reached! 
% 3.57/1.02  % (385093)------------------------------
% 3.57/1.02  % (385093)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.02  % (385093)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.02  % (385093)CaDiCaL version: 2.1.3
% 3.57/1.02  % (385093)Termination reason: Instruction limit
% 3.57/1.02  % (385093)Termination phase: shuffling
% 3.57/1.02  % (385093)Time elapsed: 0.013 s
% 3.57/1.02  % (385093)Peak memory usage: 10 MB
% 3.57/1.02  % (385093)Instructions burned: 15 (million)
% 3.57/1.02  % (385094)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=3117342261:i=8:nm=2:rtra=on:fe=abstraction:inj=on_2997 on theBenchmark for (2997ds/8Mi)
% 3.57/1.02  % (385095)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=2696700425:uwa_fpi=on:i=31:doe=on:bd=preordered:rtra=on:fsd=on_2997 on theBenchmark for (2997ds/31Mi)
% 3.57/1.02  % (385094)Instruction limit reached! 
% 3.57/1.02  % (385094)------------------------------
% 3.57/1.02  % (385094)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.02  % (385094)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.02  % (385094)CaDiCaL version: 2.1.3
% 3.57/1.02  % (385094)Termination reason: Instruction limit
% 3.57/1.02  % (385094)Termination phase: shuffling
% 3.57/1.02  % (385094)Time elapsed: 0.007 s
% 3.57/1.02  % (385094)Peak memory usage: 10 MB
% 3.57/1.02  % (385094)Instructions burned: 8 (million)
% 3.57/1.02  % (385095)Instruction limit reached! 
% 3.57/1.02  % (385095)------------------------------
% 3.57/1.02  % (385095)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.02  % (385095)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.02  % (385095)CaDiCaL version: 2.1.3
% 3.57/1.02  % (385095)Termination reason: Instruction limit
% 3.57/1.02  % (385095)Termination phase: Property scanning
% 3.57/1.02  % (385095)Time elapsed: 0.025 s
% 3.57/1.02  % (385095)Peak memory usage: 10 MB
% 3.57/1.02  % (385095)Instructions burned: 31 (million)
% 3.57/1.02  % (385089)Instruction limit reached! 
% 3.57/1.02  % (385089)------------------------------
% 3.57/1.02  % (385089)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.02  % (385089)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.02  % (385089)CaDiCaL version: 2.1.3
% 3.57/1.02  % (385089)Termination reason: Instruction limit
% 3.57/1.02  % (385089)Termination phase: Property scanning
% 3.57/1.02  % (385089)Time elapsed: 0.054 s
% 3.57/1.02  % (385089)Peak memory usage: 12 MB
% 3.57/1.02  % (385089)Instructions burned: 60 (million)
% 3.57/1.02  % (385098)dis+10_1024_sil=128000:cnfonf=off:si=on:fd=off:random_seed=2733176892:i=7:hud=5:bd=preordered:rtra=on:bet=on_2996 on theBenchmark for (2996ds/7Mi)
% 3.57/1.02  % (385098)Instruction limit reached! 
% 3.57/1.02  % (385098)------------------------------
% 3.57/1.02  % (385098)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.02  % (385098)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.02  % (385098)CaDiCaL version: 2.1.3
% 3.57/1.02  % (385098)Termination reason: Instruction limit
% 3.57/1.02  % (385098)Termination phase: shuffling
% 3.57/1.02  % (385098)Time elapsed: 0.007 s
% 3.57/1.02  % (385098)Peak memory usage: 10 MB
% 3.57/1.02  % (385098)Instructions burned: 8 (million)
% 3.57/1.02  % (385101)lrs+10_1_plsq=on:drc=ordering:cnfonf=lazy_not_gen_be_off:bsd=on:si=on:plsqr=32,1:cs=on:random_seed=2828481041:i=23:rtra=on:ntd=on_2996 on theBenchmark for (2996ds/23Mi)
% 3.57/1.02  % (385101)Instruction limit reached! 
% 3.57/1.02  % (385101)------------------------------
% 3.57/1.13  % (385101)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.13  % (385101)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.13  % (385101)CaDiCaL version: 2.1.3
% 3.57/1.13  % (385101)Termination reason: Instruction limit
% 3.57/1.13  % (385101)Termination phase: Property scanning
% 3.57/1.13  % (385101)Time elapsed: 0.020 s
% 3.57/1.13  % (385101)Peak memory usage: 10 MB
% 3.57/1.13  % (385101)Instructions burned: 24 (million)
% 3.57/1.13  % (385102)lrs+10_1_sil=128000:fde=unused:si=on:random_seed=3300793944:s2a=on:i=20:kws=inv_frequency:bd=all:rtra=on_2996 on theBenchmark for (2996ds/20Mi)
% 3.57/1.13  % (385103)dis+1010_2:1_sil=128000:cnfonf=lazy_pi_sigma_gen:si=on:uwa=off:slsq=on:random_seed=1926497344:i=1240:rtra=on:ixr=off_2996 on theBenchmark for (2996ds/1240Mi)
% 3.57/1.13  % (385106)ott+1002_32_tgt=ground:si=on:sp=const_max:acc=on:nwc=0.5:random_seed=2753864154:i=143:fgj=on:piset=pi_sigma:rtra=on:fe=abstraction_2996 on theBenchmark for (2996ds/143Mi)
% 3.57/1.13  % (385102)Instruction limit reached! 
% 3.57/1.13  % (385102)------------------------------
% 3.57/1.13  % (385102)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.13  % (385102)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.13  % (385102)CaDiCaL version: 2.1.3
% 3.57/1.13  % (385102)Termination reason: Instruction limit
% 3.57/1.13  % (385102)Termination phase: Property scanning
% 3.57/1.13  % (385102)Time elapsed: 0.018 s
% 3.57/1.13  % (385102)Peak memory usage: 10 MB
% 3.57/1.13  % (385102)Instructions burned: 21 (million)
% 3.57/1.13  % (385108)lrs+1002_1_sil=128000:si=on:acc=on:uwa=off:random_seed=1289992555:st=5:s2a=on:i=193:sd=1:rtra=on:ss=axioms_2996 on theBenchmark for (2996ds/193Mi)
% 3.57/1.13  % (385074)Instruction limit reached! 
% 3.57/1.13  % (385074)------------------------------
% 3.57/1.13  % (385074)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.13  % (385074)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.13  % (385074)CaDiCaL version: 2.1.3
% 3.57/1.13  % (385074)Termination reason: Instruction limit
% 3.57/1.13  % (385074)Termination phase: Saturation
% 3.57/1.13  % (385074)Time elapsed: 0.215 s
% 3.57/1.13  % (385074)Peak memory usage: 15 MB
% 3.57/1.13  % (385074)Instructions burned: 249 (million)
% 3.57/1.13  % (385111)dis+10_1024_sil=128000:si=on:sp=unary_first:urr=on:uwa=all:fd=off:random_seed=74569562:i=42:hud=10:rtra=on_2996 on theBenchmark for (2996ds/42Mi)
% 3.57/1.13  % (385113)WARNING Broken Constraint: if forward_subsumption_demodulation_max_matches(5) has been set then forward_subsumption_demodulation(off) is equal to on
% 3.57/1.13  % (385113)dis+21_1_to=kbo:sil=128000:plsq=on:plsqc=1:cnfonf=lazy_gen:si=on:plsqr=64,1:uwa=hol:random_seed=2397452961:uwa_fpi=on:i=7:fgj=on:hud=10:fsr=off:rtra=on:rawr=on:fsdmm=5_2995 on theBenchmark for (2995ds/7Mi)
% 3.57/1.13  % (385111)Instruction limit reached! 
% 3.57/1.13  % (385111)------------------------------
% 3.57/1.13  % (385111)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.13  % (385111)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.13  % (385111)CaDiCaL version: 2.1.3
% 3.57/1.13  % (385111)Termination reason: Instruction limit
% 3.57/1.13  % (385111)Termination phase: Property scanning
% 3.57/1.13  % (385111)Time elapsed: 0.034 s
% 3.57/1.13  % (385111)Peak memory usage: 11 MB
% 3.57/1.13  % (385111)Instructions burned: 42 (million)
% 3.57/1.13  % (385113)Instruction limit reached! 
% 3.57/1.13  % (385113)------------------------------
% 3.57/1.13  % (385113)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.13  % (385113)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.13  % (385113)CaDiCaL version: 2.1.3
% 3.57/1.13  % (385113)Termination reason: Instruction limit
% 3.57/1.13  % (385113)Termination phase: shuffling
% 3.57/1.13  % (385113)Time elapsed: 0.007 s
% 3.57/1.13  % (385113)Peak memory usage: 10 MB
% 3.57/1.13  % (385113)Instructions burned: 7 (million)
% 3.57/1.13  % (385106)Instruction limit reached! 
% 3.57/1.13  % (385106)------------------------------
% 3.57/1.13  % (385106)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 3.57/1.13  % (385106)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.57/1.13  % (385106)CaDiCaL version: 2.1.3
% 3.57/1.13  % (385106)Termination reason: Instruction limit
% 3.57/1.13  % (385106)Termination phase: Saturation
% 5.17/1.26  % (385106)Time elapsed: 0.106 s
% 5.17/1.26  % (385106)Peak memory usage: 13 MB
% 5.17/1.26  % (385106)Instructions burned: 143 (million)
% 5.17/1.26  % (385116)lrs+10_1_to=lpo:sil=128000:si=on:sp=arity:urr=on:random_seed=4243630507:i=181:sd=2:bd=preordered:rtra=on:ss=axioms_2995 on theBenchmark for (2995ds/181Mi)
% 5.17/1.26  % (385117)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=4185269398: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)
% 5.17/1.26  % (385079)Instruction limit reached! 
% 5.17/1.26  % (385079)------------------------------
% 5.17/1.26  % (385079)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.17/1.26  % (385079)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.17/1.26  % (385079)CaDiCaL version: 2.1.3
% 5.17/1.26  % (385079)Termination reason: Instruction limit
% 5.17/1.26  % (385079)Termination phase: Saturation
% 5.17/1.26  % (385079)Time elapsed: 0.276 s
% 5.17/1.26  % (385079)Peak memory usage: 14 MB
% 5.17/1.26  % (385079)Instructions burned: 327 (million)
% 5.17/1.26  % (385119)WARNING Broken Constraint: if sine_level_split_queue_cutoffs(5) has been set then sine_level_split_queue(off) is equal to on
% 5.17/1.26  % (385119)lrs+1002_1_sil=128000:cnfonf=lazy_pi_sigma_gen:si=on:sp=arity:cbe=off:uwa=all:slsqc=5:random_seed=3612298274:st=4:s2a=on:i=6:add=on:doe=on:hud=10:rtra=on:bet=on:ss=axioms_2995 on theBenchmark for (2995ds/6Mi)
% 5.17/1.26  % (385119)Instruction limit reached! 
% 5.17/1.26  % (385119)------------------------------
% 5.17/1.26  % (385119)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.17/1.26  % (385119)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.17/1.26  % (385119)CaDiCaL version: 2.1.3
% 5.17/1.26  % (385119)Termination reason: Instruction limit
% 5.17/1.26  % (385119)Termination phase: shuffling
% 5.17/1.26  % (385119)Time elapsed: 0.006 s
% 5.17/1.26  % (385119)Peak memory usage: 10 MB
% 5.17/1.26  % (385119)Instructions burned: 7 (million)
% 5.17/1.26  % (385121)ott+2_5:4_anc=none:to=lpo:si=on:lma=off:cbe=off:uwa=ground:nwc=3:random_seed=407702164:uwa_fpi=on:i=22:add=on:doe=on:ins=1:rtra=on_2994 on theBenchmark for (2994ds/22Mi)
% 5.17/1.26  % (385121)Instruction limit reached! 
% 5.17/1.26  % (385121)------------------------------
% 5.17/1.26  % (385121)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.17/1.26  % (385121)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.17/1.26  % (385121)CaDiCaL version: 2.1.3
% 5.17/1.26  % (385121)Termination reason: Instruction limit
% 5.17/1.26  % (385121)Termination phase: Property scanning
% 5.17/1.26  % (385121)Time elapsed: 0.019 s
% 5.17/1.26  % (385121)Peak memory usage: 10 MB
% 5.17/1.26  % (385121)Instructions burned: 22 (million)
% 5.17/1.26  % (385123)dis+1010_1_to=lpo:sil=128000:cnfonf=lazy_pi_sigma_gen:sas=cadical:si=on:sos=all:uwa=off:sac=on:random_seed=3935213366:i=19:add=on:rtra=on_2994 on theBenchmark for (2994ds/19Mi)
% 5.17/1.26  % (385108)Instruction limit reached! 
% 5.17/1.26  % (385108)------------------------------
% 5.17/1.26  % (385108)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.17/1.26  % (385108)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.17/1.26  % (385108)CaDiCaL version: 2.1.3
% 5.17/1.26  % (385108)Termination reason: Instruction limit
% 5.17/1.26  % (385108)Termination phase: Saturation
% 5.17/1.26  % (385108)Time elapsed: 0.162 s
% 5.17/1.26  % (385108)Peak memory usage: 14 MB
% 5.17/1.26  % (385108)Instructions burned: 193 (million)
% 5.17/1.26  % (385123)Instruction limit reached! 
% 5.17/1.26  % (385123)------------------------------
% 5.17/1.26  % (385123)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 5.17/1.26  % (385123)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.17/1.26  % (385123)CaDiCaL version: 2.1.3
% 5.17/1.26  % (385123)Termination reason: Instruction limit
% 5.17/1.26  % (385123)Termination phase: shuffling
% 5.17/1.26  % (385123)Time elapsed: 0.016 s
% 5.17/1.26  % (385123)Peak memory usage: 10 MB
% 5.17/1.26  % (385123)Instructions burned: 19 (million)
% 5.17/1.26  % (385125)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=1802522291:i=316:bs=unit_only:ins=25:rtra=on:ntd=on_2994 on theBenchmark for (2994ds/316Mi)
% 5.17/1.26  % (385127)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=545222058: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)
% 6.46/1.44  % (385128)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=2617189332: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)
% 6.46/1.44  % (385117)Instruction limit reached! 
% 6.46/1.44  % (385117)------------------------------
% 6.46/1.44  % (385117)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.44  % (385117)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.44  % (385117)CaDiCaL version: 2.1.3
% 6.46/1.44  % (385117)Termination reason: Instruction limit
% 6.46/1.44  % (385117)Termination phase: Saturation
% 6.46/1.44  % (385117)Time elapsed: 0.138 s
% 6.46/1.44  % (385117)Peak memory usage: 14 MB
% 6.46/1.44  % (385117)Instructions burned: 170 (million)
% 6.46/1.44  % (385116)Instruction limit reached! 
% 6.46/1.44  % (385116)------------------------------
% 6.46/1.44  % (385116)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.44  % (385116)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.44  % (385116)CaDiCaL version: 2.1.3
% 6.46/1.44  % (385116)Termination reason: Instruction limit
% 6.46/1.44  % (385116)Termination phase: Saturation
% 6.46/1.44  % (385116)Time elapsed: 0.149 s
% 6.46/1.44  % (385116)Peak memory usage: 14 MB
% 6.46/1.44  % (385116)Instructions burned: 181 (million)
% 6.46/1.44  % (385128)Instruction limit reached! 
% 6.46/1.44  % (385128)------------------------------
% 6.46/1.44  % (385128)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.44  % (385128)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.44  % (385128)CaDiCaL version: 2.1.3
% 6.46/1.44  % (385128)Termination reason: Instruction limit
% 6.46/1.44  % (385128)Termination phase: Preprocessing 3
% 6.46/1.44  % (385128)Time elapsed: 0.036 s
% 6.46/1.44  % (385128)Peak memory usage: 11 MB
% 6.46/1.44  % (385128)Instructions burned: 45 (million)
% 6.46/1.44  % (385047)Instruction limit reached! 
% 6.46/1.44  % (385047)------------------------------
% 6.46/1.44  % (385047)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.44  % (385047)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.44  % (385047)CaDiCaL version: 2.1.3
% 6.46/1.44  % (385047)Termination reason: Instruction limit
% 6.46/1.44  % (385047)Termination phase: Saturation
% 6.46/1.44  % (385047)Time elapsed: 0.585 s
% 6.46/1.44  % (385047)Peak memory usage: 19 MB
% 6.46/1.44  % (385047)Instructions burned: 634 (million)
% 6.46/1.44  % (385132)lrs+1002_1_sil=128000:fde=unused:e2e=on:si=on:sos=on:uwa=interpreted_only:random_seed=2725739245:i=480:rtra=on_2993 on theBenchmark for (2993ds/480Mi)
% 6.46/1.44  % (385133)dis+1010_40_sil=128000:si=on:uwa=off:nwc=1:sac=on:chr=on:avsqc=3:random_seed=1361502286: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)
% 6.46/1.44  % (385134)WARNING Broken Constraint: if sine_level_split_queue_cutoffs(2) has been set then sine_level_split_queue(off) is equal to on
% 6.46/1.44  % (385133)Instruction limit reached! 
% 6.46/1.44  % (385133)------------------------------
% 6.46/1.44  % (385133)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.44  % (385133)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.44  % (385133)CaDiCaL version: 2.1.3
% 6.46/1.44  % (385133)Termination reason: Instruction limit
% 6.46/1.44  % (385133)Termination phase: Property scanning
% 6.46/1.44  % (385133)Time elapsed: 0.018 s
% 6.46/1.44  % (385133)Peak memory usage: 10 MB
% 6.46/1.44  % (385133)Instructions burned: 21 (million)
% 6.46/1.44  % (385135)lrs+10_1_sil=128000:fde=unused:si=on:random_seed=2323257434:s2a=on:i=13:kws=inv_frequency:bd=all:rtra=on_2993 on theBenchmark for (2993ds/13Mi)
% 6.46/1.44  % (385134)ott+1002_3_si=on:sp=weighted_frequency:spb=goal:cbe=off:slsqc=2:random_seed=2809995861:cts=off:uwa_fpi=on:i=200:av=off:fsr=off:rtra=on:ntd=on_2993 on theBenchmark for (2993ds/200Mi)
% 6.46/1.44  % (385135)Instruction limit reached! 
% 6.46/1.44  % (385135)------------------------------
% 6.46/1.44  % (385135)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385135)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385135)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385135)Termination reason: Instruction limit
% 6.46/1.49  % (385135)Termination phase: shuffling
% 6.46/1.49  % (385135)Time elapsed: 0.011 s
% 6.46/1.49  % (385135)Peak memory usage: 10 MB
% 6.46/1.49  % (385135)Instructions burned: 13 (million)
% 6.46/1.49  % (385138)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=608501914:i=66:s2at=3:nm=2:rtra=on:rawr=on_2993 on theBenchmark for (2993ds/66Mi)
% 6.46/1.49  % (385141)lrs+1004_128_si=on:sos=all:uwa=off:random_seed=1440982796:i=51:fsr=off:rtra=on_2992 on theBenchmark for (2992ds/51Mi)
% 6.46/1.49  % (385138)Instruction limit reached! 
% 6.46/1.49  % (385138)------------------------------
% 6.46/1.49  % (385138)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385138)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385138)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385138)Termination reason: Instruction limit
% 6.46/1.49  % (385138)Termination phase: Property scanning
% 6.46/1.49  % (385138)Time elapsed: 0.053 s
% 6.46/1.49  % (385138)Peak memory usage: 11 MB
% 6.46/1.49  % (385138)Instructions burned: 66 (million)
% 6.46/1.49  % (385141)Instruction limit reached! 
% 6.46/1.49  % (385141)------------------------------
% 6.46/1.49  % (385141)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385141)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385141)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385141)Termination reason: Instruction limit
% 6.46/1.49  % (385141)Termination phase: Property scanning
% 6.46/1.49  % (385141)Time elapsed: 0.042 s
% 6.46/1.49  % (385141)Peak memory usage: 11 MB
% 6.46/1.49  % (385141)Instructions burned: 51 (million)
% 6.46/1.49  % (385132)Refutation not found, incomplete strategy
% 6.46/1.49  % (385132)------------------------------
% 6.46/1.49  % (385132)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385132)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385132)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385132)Termination reason: Refutation not found, incomplete strategy
% 6.46/1.49  % (385132)Time elapsed: 0.131 s
% 6.46/1.49  % (385132)Peak memory usage: 15 MB
% 6.46/1.49  % (385132)Instructions burned: 149 (million)
% 6.46/1.49  % (385132)------------------------------
% 6.46/1.49  % (385132)------------------------------
% 6.46/1.49  % (385134)Instruction limit reached! 
% 6.46/1.49  % (385134)------------------------------
% 6.46/1.49  % (385134)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385134)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385134)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385134)Termination reason: Instruction limit
% 6.46/1.49  % (385134)Termination phase: Saturation
% 6.46/1.49  % (385134)Time elapsed: 0.106 s
% 6.46/1.49  % (385134)Peak memory usage: 14 MB
% 6.46/1.49  % (385134)Instructions burned: 202 (million)
% 6.46/1.49  % (385144)dis+1002_64_sil=128000:cnfonf=lazy_not_gen_be_off:si=on:cbe=off:uwa=off:nwc=0.5:random_seed=1280049639:i=31:kws=inv_frequency:bd=all:rtra=on:ntd=on_2992 on theBenchmark for (2992ds/31Mi)
% 6.46/1.49  % (385145)dis+1010_40_to=kbo:tgt=full:fde=unused:si=on:sp=const_frequency:lma=off:cbe=off:uwa=interpreted_only:random_seed=3802149623:i=137:kws=precedence:bd=all:rtra=on:c=on:ntd=on_2992 on theBenchmark for (2992ds/137Mi)
% 6.46/1.49  % (385147)lrs+1010_1_sil=128000:hsqc=4:si=on:sos=on:random_seed=3096866841:hsq=on:i=67:hsqaw=5:rtra=on:fe=abstraction:ntd=on_2991 on theBenchmark for (2991ds/67Mi)
% 6.46/1.49  % (385146)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=2550215783:cond=on:i=34:hud=10:nm=10:rtra=on_2992 on theBenchmark for (2992ds/34Mi)
% 6.46/1.49  % (385144)Instruction limit reached! 
% 6.46/1.49  % (385144)------------------------------
% 6.46/1.49  % (385144)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385144)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385144)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385144)Termination reason: Instruction limit
% 6.46/1.49  % (385144)Termination phase: Property scanning
% 6.46/1.49  % (385144)Time elapsed: 0.026 s
% 6.46/1.49  % (385144)Peak memory usage: 10 MB
% 6.46/1.49  % (385144)Instructions burned: 32 (million)
% 6.46/1.49  % (385125)Instruction limit reached! 
% 6.46/1.49  % (385125)------------------------------
% 6.46/1.49  % (385125)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385125)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385125)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385125)Termination reason: Instruction limit
% 6.46/1.49  % (385125)Termination phase: Saturation
% 6.46/1.49  % (385125)Time elapsed: 0.243 s
% 6.46/1.49  % (385125)Peak memory usage: 16 MB
% 6.46/1.49  % (385125)Instructions burned: 316 (million)
% 6.46/1.49  % (385146)Instruction limit reached! 
% 6.46/1.49  % (385146)------------------------------
% 6.46/1.49  % (385146)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385146)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385146)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385146)Termination reason: Instruction limit
% 6.46/1.49  % (385146)Termination phase: Property scanning
% 6.46/1.49  % (385146)Time elapsed: 0.028 s
% 6.46/1.49  % (385146)Peak memory usage: 10 MB
% 6.46/1.49  % (385146)Instructions burned: 35 (million)
% 6.46/1.49  % (385147)Instruction limit reached! 
% 6.46/1.49  % (385147)------------------------------
% 6.46/1.49  % (385147)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385147)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385147)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385147)Termination reason: Instruction limit
% 6.46/1.49  % (385147)Termination phase: Property scanning
% 6.46/1.49  % (385147)Time elapsed: 0.031 s
% 6.46/1.49  % (385147)Peak memory usage: 11 MB
% 6.46/1.49  % (385147)Instructions burned: 69 (million)
% 6.46/1.49  % (385152)WARNING Broken Constraint: if sine_generality_threshold(60) has been set then sine_selection(off) is not equal to off
% 6.46/1.49  % (385153)lrs+1002_1_sil=128000:si=on:uwa=off:random_seed=4007236098:st=2:i=246:sd=3:rtra=on:ss=axioms_2991 on theBenchmark for (2991ds/246Mi)
% 6.46/1.49  % (385152)dis+21_1_to=lpo:sil=128000:cnfonf=lazy_not_gen_be_off:si=on:sp=unary_frequency:bsr=on:random_seed=4231450342:i=180:hud=16:bd=all:fsr=off:rtra=on:sgt=60:ntd=on_2991 on theBenchmark for (2991ds/180Mi)
% 6.46/1.49  % (385155)lrs+10_1_sil=128000:si=on:sos=on:urr=on:random_seed=2634166434:i=427:sd=1:rtra=on:ss=axioms_2991 on theBenchmark for (2991ds/427Mi)
% 6.46/1.49  % (385154)lrs+10_7_sil=128000:tgt=full:si=on:lma=off:uwa=off:nwc=1:sac=on:random_seed=1819034578:cond=on:i=96:bd=all:rtra=on_2991 on theBenchmark for (2991ds/96Mi)
% 6.46/1.49  % (385103) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-385039-385103"...
% 6.46/1.49  % (385145)Instruction limit reached! 
% 6.46/1.49  % (385145)------------------------------
% 6.46/1.49  % (385145)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385145)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385145)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385145)Termination reason: Instruction limit
% 6.46/1.49  % (385145)Termination phase: Saturation
% 6.46/1.49  % (385145)Time elapsed: 0.111 s
% 6.46/1.49  % (385145)Peak memory usage: 13 MB
% 6.46/1.49  % (385145)Instructions burned: 138 (million)
% 6.46/1.49  % (385160)dis+1010_1_sil=128000:si=on:uwa=off:random_seed=1905620911:st=3:s2a=on:i=874:sd=3:rtra=on:ss=axioms_2990 on theBenchmark for (2990ds/874Mi)
% 6.46/1.49  % (385154)Instruction limit reached! 
% 6.46/1.49  % (385154)------------------------------
% 6.46/1.49  % (385154)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385154)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385154)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385154)Termination reason: Instruction limit
% 6.46/1.49  % (385154)Termination phase: Saturation
% 6.46/1.49  % (385154)Time elapsed: 0.077 s
% 6.46/1.49  % (385154)Peak memory usage: 13 MB
% 6.46/1.49  % (385154)Instructions burned: 96 (million)
% 6.46/1.49  % (385162)dis+1010_4_sas=cadical:si=on:cbe=off:nwc=20:random_seed=2616337646:st=6:s2a=on:i=515:sd=2:nm=2:rtra=on:ss=axioms_2990 on theBenchmark for (2990ds/515Mi)
% 6.46/1.49  % (385152)Instruction limit reached! 
% 6.46/1.49  % (385152)------------------------------
% 6.46/1.49  % (385152)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385152)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385152)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385152)Termination reason: Instruction limit
% 6.46/1.49  % (385152)Termination phase: Saturation
% 6.46/1.49  % (385152)Time elapsed: 0.152 s
% 6.46/1.49  % (385152)Peak memory usage: 13 MB
% 6.46/1.49  % (385152)Instructions burned: 180 (million)
% 6.46/1.49  % (385153)Instruction limit reached! 
% 6.46/1.49  % (385153)------------------------------
% 6.46/1.49  % (385153)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 6.46/1.49  % (385153)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.46/1.49  % (385153)CaDiCaL version: 2.1.3
% 6.46/1.49  % (385153)Termination reason: Instruction limit
% 6.46/1.49  % (385153)Termination phase: Saturation
% 6.46/1.49  % (385153)Time elapsed: 0.179 s
% 6.46/1.49  % (385153)Peak memory usage: 14 MB
% 6.46/1.49  % (385153)Instructions burned: 247 (million)
% 6.46/1.49  % (385165)lrs+1002_1_cnfonf=lazy_pi_sigma_gen:si=on:uwa=off:random_seed=3723119290:st=1.5:i=130:rtra=on:ss=axioms_2989 on theBenchmark for (2989ds/130Mi)
% 6.46/1.49  % (385103)...printing done.
% 6.46/1.49  % (385103)Refutation found. Thanks to Tanya!
% 6.46/1.49  % SZS status Theorem for theBenchmark
% 6.46/1.49  % SZS output start Proof for theBenchmark
% See solution above
% 0.38/1.50  % (385103)------------------------------
% 0.38/1.50  % (385103)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.38/1.50  % (385103)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.38/1.50  % (385103)CaDiCaL version: 2.1.3
% 0.38/1.50  % (385103)Termination reason: Refutation
% 0.38/1.50  % (385103)Time elapsed: 0.690 s
% 0.38/1.50  % (385103)Peak memory usage: 18 MB
% 0.38/1.50  % (385103)Instructions burned: 814 (million)
% 0.38/1.50  % (385039)Success in time 1.074 s
% 0.38/1.50  % Vampire exiting
%------------------------------------------------------------------------------