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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEU659^1 : TPTP v9.2.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300

% Computer : n005.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Feb 25 09:36:00 AM UTC 2026

% Result   : Theorem 2.65s 1.73s
% Output   : Refutation 2.65s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   71 (  20 unt;   0 typ;   1 def)
%            Number of atoms       : 3267 ( 896 equ;   0 cnn)
%            Maximal formula atoms :  177 (  46 avg)
%            Number of connectives : 1844 ( 103   ~;  69   |; 562   &; 377   @)
%                                         (  10 <=>; 723  =>;   0  <=;   0 <~>)
%            Maximal formula depth :  186 (  22 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  333 ( 330 usr; 192 con; 0-4 aty)
%            Number of variables   :  147 (   0   ^; 105   !;  42   ?; 147   :)

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

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

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

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

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

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

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

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

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

thf(func_def_69,type,
    set2prop: $i > $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_114,type,
    binunion: $i > $i > $i ).

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

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

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

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

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

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

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

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

thf(func_def_179,type,
    ex1: $i > ( $i > $o ) > $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_191,type,
    kfst: $i > $i ).

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

thf(func_def_221,type,
    sP2: $i > $o > $i > $i > $o ).

thf(func_def_223,type,
    sP4: $i > $i > $o ).

thf(func_def_224,type,
    sP5: $i > $o ).

thf(func_def_225,type,
    sP6: $i > $i > $o ).

thf(func_def_226,type,
    sP7: $i > $i > $o ).

thf(func_def_232,type,
    sK13: $i > $o ).

thf(func_def_235,type,
    sK16: $i > ( $i > $o ) > $i ).

thf(func_def_241,type,
    sK22: $i > $i ).

thf(func_def_252,type,
    sK33: $i > $o ).

thf(func_def_258,type,
    sK39: $i > $o ).

thf(func_def_259,type,
    sK40: $i > $o ).

thf(func_def_260,type,
    sK41: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_261,type,
    sK42: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_262,type,
    sK43: $i > $i > $i ).

thf(func_def_267,type,
    sK48: $i > $i > $i > $i ).

thf(func_def_268,type,
    sK49: $i > $i > $i > $i ).

thf(func_def_273,type,
    sK54: $i > $o ).

thf(func_def_282,type,
    sK63: $i > $i > $i ).

thf(func_def_286,type,
    sK67: $i > $i > $o ).

thf(func_def_287,type,
    sK68: $i > $i ).

thf(func_def_288,type,
    sK69: $i > $i ).

thf(func_def_289,type,
    sK70: ( $i > $i > $o ) > $i > $i ).

thf(func_def_290,type,
    sK71: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_291,type,
    sK72: ( $i > $i > $o ) > $i > $i ).

thf(func_def_292,type,
    sK73: $i > $i > $i ).

thf(func_def_325,type,
    sK106: $i > $i > $i ).

thf(func_def_326,type,
    sK107: $i > $i > $i ).

thf(func_def_343,type,
    sK124: $i > $o ).

thf(func_def_346,type,
    sK127: $i > $i > ( $i > $o ) > $i ).

thf(func_def_347,type,
    sK128: ( $i > $o ) > $i ).

thf(func_def_348,type,
    sK129: $i > $o ).

thf(func_def_366,type,
    sK147: $i > ( $i > $o ) > $i ).

thf(func_def_367,type,
    sK148: $i > $o ).

thf(func_def_392,type,
    sK173: $i > $o ).

thf(func_def_401,type,
    sK182: $i > $i ).

thf(func_def_408,type,
    sK189: $i > $i > $i ).

thf(func_def_416,type,
    sK197: $i > $o ).

thf(func_def_418,type,
    sK199: $i > ( $i > $o ) > $i ).

thf(func_def_421,type,
    sK202: $i > ( $i > $o ) > $i ).

thf(func_def_422,type,
    sK203: $i > $o ).

thf(func_def_431,type,
    sK212: $i > $o ).

thf(func_def_432,type,
    sK213: $i > $o ).

thf(func_def_433,type,
    sK214: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_434,type,
    sK215: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_440,type,
    sK221: $i > $o ).

thf(func_def_442,type,
    sK223: ( $i > $o ) > $i > $i ).

thf(func_def_443,type,
    sK224: ( $i > $o ) > $i > $i ).

thf(func_def_445,type,
    sK226: $i > $i ).

thf(func_def_447,type,
    sK228: $i > $i ).

thf(func_def_459,type,
    sK240: ( $i > $o ) > ( $i > $o ) > $i > $i > $i ).

thf(func_def_460,type,
    sK241: ( $i > $o ) > ( $i > $o ) > $i > $i > $i ).

thf(func_def_463,type,
    sK244: $i > $o ).

thf(func_def_464,type,
    sK245: $i > $o ).

thf(func_def_469,type,
    sK250: ( $i > $o ) > $i ).

thf(func_def_470,type,
    sK251: $i > $o ).

thf(func_def_471,type,
    sK252: $i > $i ).

thf(func_def_476,type,
    sK257: $i > $o ).

thf(func_def_479,type,
    sK260: $i > $o ).

thf(func_def_487,type,
    sK268: $i > $o ).

thf(func_def_495,type,
    sK276: $i > ( $i > $o ) > $i ).

thf(func_def_496,type,
    sK277: $i > $o ).

thf(func_def_509,type,
    sK290: $o > $i > $i > $i ).

thf(func_def_513,type,
    sK294: $i > $o ).

thf(func_def_516,type,
    sK297: $i > ( $i > $o ) > $i ).

thf(func_def_528,type,
    sK309: $i > $i > $i ).

thf(func_def_552,type,
    sK333: $i > $i ).

thf(func_def_554,type,
    sK335: $i > $o ).

thf(func_def_562,type,
    sK343: $i > $o ).

thf(func_def_577,type,
    sK358: $i > $i ).

thf(func_def_578,type,
    sK359: $i > ( $i > $o ) > $i ).

thf(func_def_579,type,
    sK360: $i > $o ).

thf(func_def_583,type,
    sK364: $i > $o ).

thf(func_def_595,type,
    sK376: $i > $o ).

thf(func_def_597,type,
    sK378: ( $i > $o ) > $i > $i ).

thf(func_def_598,type,
    sK379: ( $i > $o ) > $i > $i ).

thf(func_def_599,type,
    sK380: ( $i > $o ) > $i > $i ).

thf(func_def_601,type,
    sK382: $i > $o ).

thf(func_def_612,type,
    sK393: ( $i > $o ) > $i > $i ).

thf(func_def_614,type,
    sK395: $i > $o ).

thf(func_def_618,type,
    sK399: $i > $i > $i ).

thf(func_def_629,type,
    sK410: $i > $o ).

thf(func_def_638,type,
    sK419: ( $i > $o ) > $i ).

thf(func_def_639,type,
    sK420: ( $i > $o ) > $i ).

thf(func_def_640,type,
    sK421: $i > $o ).

thf(func_def_642,type,
    sK423: ( $i > $o ) > $i ).

thf(func_def_643,type,
    sK424: $i > $o ).

thf(func_def_644,type,
    sK425: $i > $i ).

thf(func_def_649,type,
    sK430: $i > $i > $i ).

thf(func_def_675,type,
    sK456: $i > $o ).

thf(func_def_678,type,
    sK459: $i > $i > $i ).

thf(func_def_679,type,
    sK460: $i > $i > $i ).

thf(func_def_680,type,
    sK461: $i > $i > $i ).

thf(func_def_681,type,
    sK462: $i > $i > $i ).

thf(func_def_682,type,
    sK463: $i > $i > $i ).

thf(func_def_683,type,
    sK464: $i > $i > $i > $i ).

thf(func_def_684,type,
    sK465: $i > $i ).

thf(func_def_685,type,
    sK466: $i > $i ).

thf(func_def_686,type,
    sK467: $i > $i ).

thf(func_def_687,type,
    sK468: $i > $i ).

thf(func_def_688,type,
    sK469: $i > $i > $i > $i ).

thf(func_def_689,type,
    sK470: $i > $i > $i > $i ).

thf(func_def_690,type,
    sK471: $i > $i > $i ).

thf(func_def_691,type,
    sK472: $i > $i > $i ).

thf(func_def_692,type,
    sK473: $i > $i > $i ).

thf(func_def_694,type,
    sK475: $i > $i ).

thf(func_def_695,type,
    sK476: $i > $i ).

thf(func_def_696,type,
    sK477: $i > $i ).

thf(func_def_699,type,
    sK480: $i > $o ).

thf(func_def_701,type,
    sK482: $i > $i ).

thf(func_def_705,type,
    sK486: $i > $i > $i ).

thf(func_def_710,type,
    ph491: 
      !>[X0: $tType] : X0 ).

thf(f3945,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f3939,f3944]) ).

thf(f3944,plain,
    spl490_19,
    inference(avatar_split_clause,[status(thm)],[f2790,f3241]) ).

thf(f3241,definition,
    ( spl490_19
  <=> ( $true
      = ( in @ sK300 @ sK299 ) ) ),
    introduced(definition,[new_symbols(naming,[spl490_19])],[avatar_definition]) ).

thf(f2790,plain,
    ( $true
    = ( in @ sK300 @ sK299 ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2789]) ).

thf(f2789,plain,
    ( ( $true != $true )
    | ( $true
      = ( in @ sK300 @ sK299 ) ) ),
    inference(forward_demodulation,[status(thm)],[f2784,f2048]) ).

thf(f2048,plain,
    kfstpairEq = $true,
    inference(cnf_transformation,[status(thm)],[f1237]) ).

thf(f1237,plain,
    ( ( cartprodmempair1 = $true )
    & ( ex1E1 = $true )
    & ( setunionI = $true )
    & ( prop2set2propI = $true )
    & ( setextAx = $true )
    & ( emptyinunitempty = $true )
    & ( powersetsubset = $true )
    & ( setunionsingleton2 = $true )
    & ( emptysetE = $true )
    & ( subsetRefl = $true )
    & ( nonemptyImpWitness = $true )
    & ( exu__Cong = $true )
    & ( notsubsetI = $true )
    & ( binintersectLsub = $true )
    & ( symdiffI2 = $true )
    & ( eqimpsubset1 = $true )
    & ( setadjoinIL = $true )
    & ( setukpairinjR11 = $true )
    & ( exuE3e = $true )
    & ( powersetE1 = $true )
    & ( setukpairinjL2 = $true )
    & ( replAx = $true )
    & ( symdiffI1 = $true )
    & ( setukpairinjR12 = $true )
    & ( emptysetsubset = $true )
    & ( bs114d = $true )
    & ( powersetE = $true )
    & ( notdallE = $true )
    & ( binintersectSubset4 = $true )
    & ( singletonsswitch = $true )
    & ( ksndsingleton = $true )
    & ( setadjoin__Cong = $true )
    & ( binintersectER = $true )
    & ( eqimpsubset2 = $true )
    & ( quantDeMorgan4 = $true )
    & ( subsetI2 = $true )
    & ( setunionAx = $true )
    & ( exuI2 = $true )
    & ( singletonprop = $true )
    & ( exuE2 = $true )
    & ( setunion__Cong = $true )
    & ( inCongP = $true )
    & ( setadjoinOr = $true )
    & ( powerset__Cong = $true )
    & ( setadjoinAx = $true )
    & ( binunionRsub = $true )
    & ( sepInPowerset = $true )
    & ( cartprodfstin = $true )
    & ( ex1I = $true )
    & ( notinsingleton = $true )
    & ( exuE1 = $true )
    & ( inPowerset = $true )
    & ( exuI1 = $true )
    & ( setminusERneg = $true )
    & ( exuEu = $true )
    & ( singletoninpowunion = $true )
    & ( descrp = $true )
    & ( omega0Ax = $true )
    & ( secondinupair = $true )
    & ( kpairp = $true )
    & ( quantDeMorgan1 = $true )
    & ( omega__Cong = $true )
    & ( dsetconstrEL = $true )
    & ( foundationAx = $true )
    & ( prop2setI = $true )
    & ( cartprodmempair = $true )
    & ( theprop = $true )
    & ( uniqinunit = $true )
    & ( eqinunit = $true )
    & ( binintersectSubset3 = $true )
    & ( binunionIL = $true )
    & ( symdiffE = $true )
    & ( setminusLsub = $true )
    & ( emptysetAx = $true )
    & ( setadjoinE = $true )
    & ( setukpairinjL = $true )
    & ( setminusSubset2 = $true )
    & ( in__Cong = $true )
    & ( cartprodpairin = $true )
    & ( quantDeMorgan3 = $true )
    & ( prop2setE = $true )
    & ( binunionEcases = $true )
    & ( setoftrueEq = $true )
    & ( notinemptyset = $true )
    & ( kpairsurjEq = $true )
    & ( ubforcartprodlem2 = $true )
    & ( ubforcartprodlem3 = $true )
    & ( setadjoinSub = $true )
    & ( emptysetimpfalse = $true )
    & ( emptyset__Cong = $true )
    & ( kfstpairEq = $true )
    & ( nonemptyI = $true )
    & ( setunionE = $true )
    & ( sepSubset = $true )
    & ( kpairiskpair = $true )
    & ( upairsubunion = $true )
    & ( setminusER = $true )
    & ( quantDeMorgan2 = $true )
    & ( emptyinPowerset = $true )
    & ( descr__Cong = $true )
    & ( emptyInPowerset = $true )
    & ( upairsetIR = $true )
    & ( setukpairIL = $true )
    & ( kfstsingleton = $true )
    & ( dsetconstrER = $true )
    & ( exuI3 = $true )
    & ( vacuousDall = $true )
    & ( powersetAx = $true )
    & ( upairset2E = $true )
    & ( notequalI1 = $true )
    & ( omegaIndAx = $true )
    & ( binunionIR = $true )
    & ( subPowSU = $true )
    & ( exuE3u = $true )
    & ( $true
      = ( in @ ( kpair @ sK300 @ sK301 ) @ ( cartprod @ sK299 @ sK298 ) ) )
    & ( $true
     != ( in @ sK300 @ sK299 ) )
    & ( noeltsimpempty = $true )
    & ( setunionsingleton = $true )
    & ( powersetI = $true )
    & ( powersetI1 = $true )
    & ( binintersectI = $true )
    & ( setminusSubset1 = $true )
    & ( upairinpowunion = $true )
    & ( cartprodsndin = $true )
    & ( binintersectSubset2 = $true )
    & ( singletonsubset = $true )
    & ( setextsub = $true )
    & ( binintersectSubset5 = $true )
    & ( setbeta = $true )
    & ( ex1I2 = $true )
    & ( dsetconstrI = $true )
    & ( subsetE = $true )
    & ( notdexE = $true )
    & ( setminusILneg = $true )
    & ( symdiffIneg2 = $true )
    & ( disjointsetsI1 = $true )
    & ( setunionE2 = $true )
    & ( setminusELneg = $true )
    & ( subsetTrans = $true )
    & ( binunionE = $true )
    & ( setukpairinjL1 = $true )
    & ( ksndpairEq = $true )
    & ( setukpairinjR2 = $true )
    & ( setunionsingleton1 = $true )
    & ( subsetemptysetimpeq = $true )
    & ( subsetE2 = $true )
    & ( binintersectEL = $true )
    & ( dsetconstr__Cong = $true )
    & ( setext = $true )
    & ( upairset2IR = $true )
    & ( setukpairIR = $true )
    & ( ubforcartprodlem1 = $true )
    & ( nonemptyE1 = $true )
    & ( singletoninpowerset = $true )
    & ( binintersectRsub = $true )
    & ( setminusEL = $true )
    & ( binunionLsub = $true )
    & ( notequalI2 = $true )
    & ( upairsetE = $true )
    & ( setadjoinIR = $true )
    & ( setminusI = $true )
    & ( omegaSAx = $true )
    & ( setminusIRneg = $true )
    & ( symdiffIneg1 = $true )
    & ( setadjoinSub2 = $true )
    & ( subset2powerset = $true )
    & ( setukpairinjR1 = $true )
    & ( singletonsuniq = $true )
    & ( emptyE1 = $true )
    & ( setukpairinjR = $true )
    & ( subsetI1 = $true )
    & ( upairequniteq = $true )
    & ( upairsetIL = $true )
    & ( wellorderingAx = $true )
    & ( emptyI = $true )
    & ( binintersectSubset1 = $true )
    & ( nonemptyI1 = $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK298,sK299,sK300,sK301])],[f608,f1236]) ).

thf(f1236,plain,
    ( ? [X0: $i,X1: $i,X2: $i,X3: $i] :
        ( ( $true
          = ( in @ ( kpair @ X2 @ X3 ) @ ( cartprod @ X1 @ X0 ) ) )
        & ( $true
         != ( in @ X2 @ X1 ) ) )
   => ( ( $true
        = ( in @ ( kpair @ sK300 @ sK301 ) @ ( cartprod @ sK299 @ sK298 ) ) )
      & ( $true
       != ( in @ sK300 @ sK299 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f608,plain,
    ( ( cartprodmempair1 = $true )
    & ( ex1E1 = $true )
    & ( setunionI = $true )
    & ( prop2set2propI = $true )
    & ( setextAx = $true )
    & ( emptyinunitempty = $true )
    & ( powersetsubset = $true )
    & ( setunionsingleton2 = $true )
    & ( emptysetE = $true )
    & ( subsetRefl = $true )
    & ( nonemptyImpWitness = $true )
    & ( exu__Cong = $true )
    & ( notsubsetI = $true )
    & ( binintersectLsub = $true )
    & ( symdiffI2 = $true )
    & ( eqimpsubset1 = $true )
    & ( setadjoinIL = $true )
    & ( setukpairinjR11 = $true )
    & ( exuE3e = $true )
    & ( powersetE1 = $true )
    & ( setukpairinjL2 = $true )
    & ( replAx = $true )
    & ( symdiffI1 = $true )
    & ( setukpairinjR12 = $true )
    & ( emptysetsubset = $true )
    & ( bs114d = $true )
    & ( powersetE = $true )
    & ( notdallE = $true )
    & ( binintersectSubset4 = $true )
    & ( singletonsswitch = $true )
    & ( ksndsingleton = $true )
    & ( setadjoin__Cong = $true )
    & ( binintersectER = $true )
    & ( eqimpsubset2 = $true )
    & ( quantDeMorgan4 = $true )
    & ( subsetI2 = $true )
    & ( setunionAx = $true )
    & ( exuI2 = $true )
    & ( singletonprop = $true )
    & ( exuE2 = $true )
    & ( setunion__Cong = $true )
    & ( inCongP = $true )
    & ( setadjoinOr = $true )
    & ( powerset__Cong = $true )
    & ( setadjoinAx = $true )
    & ( binunionRsub = $true )
    & ( sepInPowerset = $true )
    & ( cartprodfstin = $true )
    & ( ex1I = $true )
    & ( notinsingleton = $true )
    & ( exuE1 = $true )
    & ( inPowerset = $true )
    & ( exuI1 = $true )
    & ( setminusERneg = $true )
    & ( exuEu = $true )
    & ( singletoninpowunion = $true )
    & ( descrp = $true )
    & ( omega0Ax = $true )
    & ( secondinupair = $true )
    & ( kpairp = $true )
    & ( quantDeMorgan1 = $true )
    & ( omega__Cong = $true )
    & ( dsetconstrEL = $true )
    & ( foundationAx = $true )
    & ( prop2setI = $true )
    & ( cartprodmempair = $true )
    & ( theprop = $true )
    & ( uniqinunit = $true )
    & ( eqinunit = $true )
    & ( binintersectSubset3 = $true )
    & ( binunionIL = $true )
    & ( symdiffE = $true )
    & ( setminusLsub = $true )
    & ( emptysetAx = $true )
    & ( setadjoinE = $true )
    & ( setukpairinjL = $true )
    & ( setminusSubset2 = $true )
    & ( in__Cong = $true )
    & ( cartprodpairin = $true )
    & ( quantDeMorgan3 = $true )
    & ( prop2setE = $true )
    & ( binunionEcases = $true )
    & ( setoftrueEq = $true )
    & ( notinemptyset = $true )
    & ( kpairsurjEq = $true )
    & ( ubforcartprodlem2 = $true )
    & ( ubforcartprodlem3 = $true )
    & ( setadjoinSub = $true )
    & ( emptysetimpfalse = $true )
    & ( emptyset__Cong = $true )
    & ( kfstpairEq = $true )
    & ( nonemptyI = $true )
    & ( setunionE = $true )
    & ( sepSubset = $true )
    & ( kpairiskpair = $true )
    & ( upairsubunion = $true )
    & ( setminusER = $true )
    & ( quantDeMorgan2 = $true )
    & ( emptyinPowerset = $true )
    & ( descr__Cong = $true )
    & ( emptyInPowerset = $true )
    & ( upairsetIR = $true )
    & ( setukpairIL = $true )
    & ( kfstsingleton = $true )
    & ( dsetconstrER = $true )
    & ( exuI3 = $true )
    & ( vacuousDall = $true )
    & ( powersetAx = $true )
    & ( upairset2E = $true )
    & ( notequalI1 = $true )
    & ( omegaIndAx = $true )
    & ( binunionIR = $true )
    & ( subPowSU = $true )
    & ( exuE3u = $true )
    & ? [X0: $i,X1: $i,X2: $i,X3: $i] :
        ( ( $true
          = ( in @ ( kpair @ X2 @ X3 ) @ ( cartprod @ X1 @ X0 ) ) )
        & ( $true
         != ( in @ X2 @ X1 ) ) )
    & ( noeltsimpempty = $true )
    & ( setunionsingleton = $true )
    & ( powersetI = $true )
    & ( powersetI1 = $true )
    & ( binintersectI = $true )
    & ( setminusSubset1 = $true )
    & ( upairinpowunion = $true )
    & ( cartprodsndin = $true )
    & ( binintersectSubset2 = $true )
    & ( singletonsubset = $true )
    & ( setextsub = $true )
    & ( binintersectSubset5 = $true )
    & ( setbeta = $true )
    & ( ex1I2 = $true )
    & ( dsetconstrI = $true )
    & ( subsetE = $true )
    & ( notdexE = $true )
    & ( setminusILneg = $true )
    & ( symdiffIneg2 = $true )
    & ( disjointsetsI1 = $true )
    & ( setunionE2 = $true )
    & ( setminusELneg = $true )
    & ( subsetTrans = $true )
    & ( binunionE = $true )
    & ( setukpairinjL1 = $true )
    & ( ksndpairEq = $true )
    & ( setukpairinjR2 = $true )
    & ( setunionsingleton1 = $true )
    & ( subsetemptysetimpeq = $true )
    & ( subsetE2 = $true )
    & ( binintersectEL = $true )
    & ( dsetconstr__Cong = $true )
    & ( setext = $true )
    & ( upairset2IR = $true )
    & ( setukpairIR = $true )
    & ( ubforcartprodlem1 = $true )
    & ( nonemptyE1 = $true )
    & ( singletoninpowerset = $true )
    & ( binintersectRsub = $true )
    & ( setminusEL = $true )
    & ( binunionLsub = $true )
    & ( notequalI2 = $true )
    & ( upairsetE = $true )
    & ( setadjoinIR = $true )
    & ( setminusI = $true )
    & ( omegaSAx = $true )
    & ( setminusIRneg = $true )
    & ( symdiffIneg1 = $true )
    & ( setadjoinSub2 = $true )
    & ( subset2powerset = $true )
    & ( setukpairinjR1 = $true )
    & ( singletonsuniq = $true )
    & ( emptyE1 = $true )
    & ( setukpairinjR = $true )
    & ( subsetI1 = $true )
    & ( upairequniteq = $true )
    & ( upairsetIL = $true )
    & ( wellorderingAx = $true )
    & ( emptyI = $true )
    & ( binintersectSubset1 = $true )
    & ( nonemptyI1 = $true ) ),
    inference(flattening,[status(thm)],[f607]) ).

thf(f607,plain,
    ( ? [X0: $i,X1: $i,X2: $i,X3: $i] :
        ( ( $true
          = ( in @ ( kpair @ X2 @ X3 ) @ ( cartprod @ X1 @ X0 ) ) )
        & ( $true
         != ( in @ X2 @ X1 ) ) )
    & ( cartprodsndin = $true )
    & ( kpairsurjEq = $true )
    & ( ksndpairEq = $true )
    & ( ksndsingleton = $true )
    & ( setukpairinjR = $true )
    & ( setukpairinjR2 = $true )
    & ( upairequniteq = $true )
    & ( setukpairinjR1 = $true )
    & ( setukpairinjR12 = $true )
    & ( setukpairinjR11 = $true )
    & ( setukpairinjL = $true )
    & ( setukpairinjL2 = $true )
    & ( cartprodfstin = $true )
    & ( kfstpairEq = $true )
    & ( theprop = $true )
    & ( kfstsingleton = $true )
    & ( setukpairinjL1 = $true )
    & ( singletonsuniq = $true )
    & ( ex1I2 = $true )
    & ( ex1I = $true )
    & ( ex1E1 = $true )
    & ( singletonprop = $true )
    & ( setunionsingleton = $true )
    & ( setunionsingleton2 = $true )
    & ( setunionsingleton1 = $true )
    & ( setunionE2 = $true )
    & ( cartprodmempair = $true )
    & ( cartprodmempair1 = $true )
    & ( cartprodpairin = $true )
    & ( ubforcartprodlem3 = $true )
    & ( ubforcartprodlem2 = $true )
    & ( ubforcartprodlem1 = $true )
    & ( upairinpowunion = $true )
    & ( upairsubunion = $true )
    & ( upairset2E = $true )
    & ( singletoninpowunion = $true )
    & ( singletoninpowerset = $true )
    & ( singletonsubset = $true )
    & ( kpairp = $true )
    & ( kpairiskpair = $true )
    & ( setukpairIR = $true )
    & ( setukpairIL = $true )
    & ( secondinupair = $true )
    & ( symdiffIneg2 = $true )
    & ( symdiffIneg1 = $true )
    & ( symdiffI2 = $true )
    & ( symdiffI1 = $true )
    & ( symdiffE = $true )
    & ( setminusSubset1 = $true )
    & ( setminusLsub = $true )
    & ( setminusIRneg = $true )
    & ( setminusILneg = $true )
    & ( setminusELneg = $true )
    & ( setminusERneg = $true )
    & ( setminusSubset2 = $true )
    & ( setminusER = $true )
    & ( setminusEL = $true )
    & ( setminusI = $true )
    & ( bs114d = $true )
    & ( binintersectSubset1 = $true )
    & ( binintersectSubset4 = $true )
    & ( binintersectRsub = $true )
    & ( disjointsetsI1 = $true )
    & ( binintersectER = $true )
    & ( binintersectSubset3 = $true )
    & ( binintersectSubset2 = $true )
    & ( binintersectLsub = $true )
    & ( binintersectEL = $true )
    & ( binintersectSubset5 = $true )
    & ( binintersectI = $true )
    & ( binunionRsub = $true )
    & ( binunionLsub = $true )
    & ( binunionE = $true )
    & ( binunionEcases = $true )
    & ( binunionIR = $true )
    & ( upairset2IR = $true )
    & ( binunionIL = $true )
    & ( sepSubset = $true )
    & ( sepInPowerset = $true )
    & ( powersetsubset = $true )
    & ( inPowerset = $true )
    & ( powersetE1 = $true )
    & ( powersetI1 = $true )
    & ( subsetemptysetimpeq = $true )
    & ( setextsub = $true )
    & ( subset2powerset = $true )
    & ( setadjoinSub2 = $true )
    & ( setadjoinSub = $true )
    & ( subsetTrans = $true )
    & ( subsetRefl = $true )
    & ( notequalI2 = $true )
    & ( notequalI1 = $true )
    & ( notsubsetI = $true )
    & ( subsetE2 = $true )
    & ( subsetE = $true )
    & ( emptysetsubset = $true )
    & ( subsetI2 = $true )
    & ( eqimpsubset1 = $true )
    & ( eqimpsubset2 = $true )
    & ( subsetI1 = $true )
    & ( dsetconstr__Cong = $true )
    & ( descr__Cong = $true )
    & ( exuEu = $true )
    & ( omega__Cong = $true )
    & ( setunion__Cong = $true )
    & ( powerset__Cong = $true )
    & ( setadjoin__Cong = $true )
    & ( emptyset__Cong = $true )
    & ( exu__Cong = $true )
    & ( exuE3u = $true )
    & ( in__Cong = $true )
    & ( inCongP = $true )
    & ( exuI2 = $true )
    & ( exuI3 = $true )
    & ( exuI1 = $true )
    & ( notdallE = $true )
    & ( notdexE = $true )
    & ( prop2set2propI = $true )
    & ( prop2setI = $true )
    & ( quantDeMorgan4 = $true )
    & ( quantDeMorgan3 = $true )
    & ( quantDeMorgan2 = $true )
    & ( quantDeMorgan1 = $true )
    & ( vacuousDall = $true )
    & ( emptyE1 = $true )
    & ( upairsetIR = $true )
    & ( upairsetIL = $true )
    & ( upairsetE = $true )
    & ( singletonsswitch = $true )
    & ( eqinunit = $true )
    & ( notinsingleton = $true )
    & ( uniqinunit = $true )
    & ( nonemptyImpWitness = $true )
    & ( exuE2 = $true )
    & ( subPowSU = $true )
    & ( setunionE = $true )
    & ( setunionI = $true )
    & ( powersetE = $true )
    & ( emptyInPowerset = $true )
    & ( emptyinPowerset = $true )
    & ( powersetI = $true )
    & ( setoftrueEq = $true )
    & ( setadjoinOr = $true )
    & ( setadjoinE = $true )
    & ( setadjoinIR = $true )
    & ( emptyinunitempty = $true )
    & ( setadjoinIL = $true )
    & ( nonemptyI1 = $true )
    & ( nonemptyI = $true )
    & ( nonemptyE1 = $true )
    & ( setbeta = $true )
    & ( noeltsimpempty = $true )
    & ( emptyI = $true )
    & ( setext = $true )
    & ( exuE3e = $true )
    & ( notinemptyset = $true )
    & ( emptysetimpfalse = $true )
    & ( emptysetE = $true )
    & ( prop2setE = $true )
    & ( exuE1 = $true )
    & ( dsetconstrER = $true )
    & ( dsetconstrEL = $true )
    & ( dsetconstrI = $true )
    & ( descrp = $true )
    & ( wellorderingAx = $true )
    & ( foundationAx = $true )
    & ( replAx = $true )
    & ( omegaIndAx = $true )
    & ( omegaSAx = $true )
    & ( omega0Ax = $true )
    & ( setunionAx = $true )
    & ( powersetAx = $true )
    & ( setadjoinAx = $true )
    & ( emptysetAx = $true )
    & ( setextAx = $true ) ),
    inference(ennf_transformation,[status(thm)],[f232]) ).

thf(f232,plain,
    ~ ( ( setextAx = $true )
     => ( ( emptysetAx = $true )
       => ( ( setadjoinAx = $true )
         => ( ( powersetAx = $true )
           => ( ( setunionAx = $true )
             => ( ( omega0Ax = $true )
               => ( ( omegaSAx = $true )
                 => ( ( omegaIndAx = $true )
                   => ( ( replAx = $true )
                     => ( ( foundationAx = $true )
                       => ( ( wellorderingAx = $true )
                         => ( ( descrp = $true )
                           => ( ( dsetconstrI = $true )
                             => ( ( dsetconstrEL = $true )
                               => ( ( dsetconstrER = $true )
                                 => ( ( exuE1 = $true )
                                   => ( ( prop2setE = $true )
                                     => ( ( emptysetE = $true )
                                       => ( ( emptysetimpfalse = $true )
                                         => ( ( notinemptyset = $true )
                                           => ( ( exuE3e = $true )
                                             => ( ( setext = $true )
                                               => ( ( emptyI = $true )
                                                 => ( ( noeltsimpempty = $true )
                                                   => ( ( setbeta = $true )
                                                     => ( ( nonemptyE1 = $true )
                                                       => ( ( nonemptyI = $true )
                                                         => ( ( nonemptyI1 = $true )
                                                           => ( ( setadjoinIL = $true )
                                                             => ( ( emptyinunitempty = $true )
                                                               => ( ( setadjoinIR = $true )
                                                                 => ( ( setadjoinE = $true )
                                                                   => ( ( setadjoinOr = $true )
                                                                     => ( ( setoftrueEq = $true )
                                                                       => ( ( powersetI = $true )
                                                                         => ( ( emptyinPowerset = $true )
                                                                           => ( ( emptyInPowerset = $true )
                                                                             => ( ( powersetE = $true )
                                                                               => ( ( setunionI = $true )
                                                                                 => ( ( setunionE = $true )
                                                                                   => ( ( subPowSU = $true )
                                                                                     => ( ( exuE2 = $true )
                                                                                       => ( ( nonemptyImpWitness = $true )
                                                                                         => ( ( uniqinunit = $true )
                                                                                           => ( ( notinsingleton = $true )
                                                                                             => ( ( eqinunit = $true )
                                                                                               => ( ( singletonsswitch = $true )
                                                                                                 => ( ( upairsetE = $true )
                                                                                                   => ( ( upairsetIL = $true )
                                                                                                     => ( ( upairsetIR = $true )
                                                                                                       => ( ( emptyE1 = $true )
                                                                                                         => ( ( vacuousDall = $true )
                                                                                                           => ( ( quantDeMorgan1 = $true )
                                                                                                             => ( ( quantDeMorgan2 = $true )
                                                                                                               => ( ( quantDeMorgan3 = $true )
                                                                                                                 => ( ( quantDeMorgan4 = $true )
                                                                                                                   => ( ( prop2setI = $true )
                                                                                                                     => ( ( prop2set2propI = $true )
                                                                                                                       => ( ( notdexE = $true )
                                                                                                                         => ( ( notdallE = $true )
                                                                                                                           => ( ( exuI1 = $true )
                                                                                                                             => ( ( exuI3 = $true )
                                                                                                                               => ( ( exuI2 = $true )
                                                                                                                                 => ( ( inCongP = $true )
                                                                                                                                   => ( ( in__Cong = $true )
                                                                                                                                     => ( ( exuE3u = $true )
                                                                                                                                       => ( ( exu__Cong = $true )
                                                                                                                                         => ( ( emptyset__Cong = $true )
                                                                                                                                           => ( ( setadjoin__Cong = $true )
                                                                                                                                             => ( ( powerset__Cong = $true )
                                                                                                                                               => ( ( setunion__Cong = $true )
                                                                                                                                                 => ( ( omega__Cong = $true )
                                                                                                                                                   => ( ( exuEu = $true )
                                                                                                                                                     => ( ( descr__Cong = $true )
                                                                                                                                                       => ( ( dsetconstr__Cong = $true )
                                                                                                                                                         => ( ( subsetI1 = $true )
                                                                                                                                                           => ( ( eqimpsubset2 = $true )
                                                                                                                                                             => ( ( eqimpsubset1 = $true )
                                                                                                                                                               => ( ( subsetI2 = $true )
                                                                                                                                                                 => ( ( emptysetsubset = $true )
                                                                                                                                                                   => ( ( subsetE = $true )
                                                                                                                                                                     => ( ( subsetE2 = $true )
                                                                                                                                                                       => ( ( notsubsetI = $true )
                                                                                                                                                                         => ( ( notequalI1 = $true )
                                                                                                                                                                           => ( ( notequalI2 = $true )
                                                                                                                                                                             => ( ( subsetRefl = $true )
                                                                                                                                                                               => ( ( subsetTrans = $true )
                                                                                                                                                                                 => ( ( setadjoinSub = $true )
                                                                                                                                                                                   => ( ( setadjoinSub2 = $true )
                                                                                                                                                                                     => ( ( subset2powerset = $true )
                                                                                                                                                                                       => ( ( setextsub = $true )
                                                                                                                                                                                         => ( ( subsetemptysetimpeq = $true )
                                                                                                                                                                                           => ( ( powersetI1 = $true )
                                                                                                                                                                                             => ( ( powersetE1 = $true )
                                                                                                                                                                                               => ( ( inPowerset = $true )
                                                                                                                                                                                                 => ( ( powersetsubset = $true )
                                                                                                                                                                                                   => ( ( sepInPowerset = $true )
                                                                                                                                                                                                     => ( ( sepSubset = $true )
                                                                                                                                                                                                       => ( ( binunionIL = $true )
                                                                                                                                                                                                         => ( ( upairset2IR = $true )
                                                                                                                                                                                                           => ( ( binunionIR = $true )
                                                                                                                                                                                                             => ( ( binunionEcases = $true )
                                                                                                                                                                                                               => ( ( binunionE = $true )
                                                                                                                                                                                                                 => ( ( binunionLsub = $true )
                                                                                                                                                                                                                   => ( ( binunionRsub = $true )
                                                                                                                                                                                                                     => ( ( binintersectI = $true )
                                                                                                                                                                                                                       => ( ( binintersectSubset5 = $true )
                                                                                                                                                                                                                         => ( ( binintersectEL = $true )
                                                                                                                                                                                                                           => ( ( binintersectLsub = $true )
                                                                                                                                                                                                                             => ( ( binintersectSubset2 = $true )
                                                                                                                                                                                                                               => ( ( binintersectSubset3 = $true )
                                                                                                                                                                                                                                 => ( ( binintersectER = $true )
                                                                                                                                                                                                                                   => ( ( disjointsetsI1 = $true )
                                                                                                                                                                                                                                     => ( ( binintersectRsub = $true )
                                                                                                                                                                                                                                       => ( ( binintersectSubset4 = $true )
                                                                                                                                                                                                                                         => ( ( binintersectSubset1 = $true )
                                                                                                                                                                                                                                           => ( ( bs114d = $true )
                                                                                                                                                                                                                                             => ( ( setminusI = $true )
                                                                                                                                                                                                                                               => ( ( setminusEL = $true )
                                                                                                                                                                                                                                                 => ( ( setminusER = $true )
                                                                                                                                                                                                                                                   => ( ( setminusSubset2 = $true )
                                                                                                                                                                                                                                                     => ( ( setminusERneg = $true )
                                                                                                                                                                                                                                                       => ( ( setminusELneg = $true )
                                                                                                                                                                                                                                                         => ( ( setminusILneg = $true )
                                                                                                                                                                                                                                                           => ( ( setminusIRneg = $true )
                                                                                                                                                                                                                                                             => ( ( setminusLsub = $true )
                                                                                                                                                                                                                                                               => ( ( setminusSubset1 = $true )
                                                                                                                                                                                                                                                                 => ( ( symdiffE = $true )
                                                                                                                                                                                                                                                                   => ( ( symdiffI1 = $true )
                                                                                                                                                                                                                                                                     => ( ( symdiffI2 = $true )
                                                                                                                                                                                                                                                                       => ( ( symdiffIneg1 = $true )
                                                                                                                                                                                                                                                                         => ( ( symdiffIneg2 = $true )
                                                                                                                                                                                                                                                                           => ( ( secondinupair = $true )
                                                                                                                                                                                                                                                                             => ( ( setukpairIL = $true )
                                                                                                                                                                                                                                                                               => ( ( setukpairIR = $true )
                                                                                                                                                                                                                                                                                 => ( ( kpairiskpair = $true )
                                                                                                                                                                                                                                                                                   => ( ( kpairp = $true )
                                                                                                                                                                                                                                                                                     => ( ( singletonsubset = $true )
                                                                                                                                                                                                                                                                                       => ( ( singletoninpowerset = $true )
                                                                                                                                                                                                                                                                                         => ( ( singletoninpowunion = $true )
                                                                                                                                                                                                                                                                                           => ( ( upairset2E = $true )
                                                                                                                                                                                                                                                                                             => ( ( upairsubunion = $true )
                                                                                                                                                                                                                                                                                               => ( ( upairinpowunion = $true )
                                                                                                                                                                                                                                                                                                 => ( ( ubforcartprodlem1 = $true )
                                                                                                                                                                                                                                                                                                   => ( ( ubforcartprodlem2 = $true )
                                                                                                                                                                                                                                                                                                     => ( ( ubforcartprodlem3 = $true )
                                                                                                                                                                                                                                                                                                       => ( ( cartprodpairin = $true )
                                                                                                                                                                                                                                                                                                         => ( ( cartprodmempair1 = $true )
                                                                                                                                                                                                                                                                                                           => ( ( cartprodmempair = $true )
                                                                                                                                                                                                                                                                                                             => ( ( setunionE2 = $true )
                                                                                                                                                                                                                                                                                                               => ( ( setunionsingleton1 = $true )
                                                                                                                                                                                                                                                                                                                 => ( ( setunionsingleton2 = $true )
                                                                                                                                                                                                                                                                                                                   => ( ( setunionsingleton = $true )
                                                                                                                                                                                                                                                                                                                     => ( ( singletonprop = $true )
                                                                                                                                                                                                                                                                                                                       => ( ( ex1E1 = $true )
                                                                                                                                                                                                                                                                                                                         => ( ( ex1I = $true )
                                                                                                                                                                                                                                                                                                                           => ( ( ex1I2 = $true )
                                                                                                                                                                                                                                                                                                                             => ( ( singletonsuniq = $true )
                                                                                                                                                                                                                                                                                                                               => ( ( setukpairinjL1 = $true )
                                                                                                                                                                                                                                                                                                                                 => ( ( kfstsingleton = $true )
                                                                                                                                                                                                                                                                                                                                   => ( ( theprop = $true )
                                                                                                                                                                                                                                                                                                                                     => ( ( kfstpairEq = $true )
                                                                                                                                                                                                                                                                                                                                       => ( ( cartprodfstin = $true )
                                                                                                                                                                                                                                                                                                                                         => ( ( setukpairinjL2 = $true )
                                                                                                                                                                                                                                                                                                                                           => ( ( setukpairinjL = $true )
                                                                                                                                                                                                                                                                                                                                             => ( ( setukpairinjR11 = $true )
                                                                                                                                                                                                                                                                                                                                               => ( ( setukpairinjR12 = $true )
                                                                                                                                                                                                                                                                                                                                                 => ( ( setukpairinjR1 = $true )
                                                                                                                                                                                                                                                                                                                                                   => ( ( upairequniteq = $true )
                                                                                                                                                                                                                                                                                                                                                     => ( ( setukpairinjR2 = $true )
                                                                                                                                                                                                                                                                                                                                                       => ( ( setukpairinjR = $true )
                                                                                                                                                                                                                                                                                                                                                         => ( ( ksndsingleton = $true )
                                                                                                                                                                                                                                                                                                                                                           => ( ( ksndpairEq = $true )
                                                                                                                                                                                                                                                                                                                                                             => ( ( kpairsurjEq = $true )
                                                                                                                                                                                                                                                                                                                                                               => ( ( cartprodsndin = $true )
                                                                                                                                                                                                                                                                                                                                                                 => ! [X0: $i,X1: $i,X2: $i,X3: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( $true
                                                                                                                                                                                                                                                                                                                                                                        = ( in @ ( kpair @ X2 @ X3 ) @ ( cartprod @ X1 @ X0 ) ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( $true
                                                                                                                                                                                                                                                                                                                                                                        = ( in @ X2 @ X1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f231]) ).

thf(f231,plain,
    ~ ( setextAx
     => ( emptysetAx
       => ( setadjoinAx
         => ( powersetAx
           => ( setunionAx
             => ( omega0Ax
               => ( omegaSAx
                 => ( omegaIndAx
                   => ( replAx
                     => ( foundationAx
                       => ( wellorderingAx
                         => ( descrp
                           => ( dsetconstrI
                             => ( dsetconstrEL
                               => ( dsetconstrER
                                 => ( exuE1
                                   => ( prop2setE
                                     => ( emptysetE
                                       => ( emptysetimpfalse
                                         => ( notinemptyset
                                           => ( exuE3e
                                             => ( setext
                                               => ( emptyI
                                                 => ( noeltsimpempty
                                                   => ( setbeta
                                                     => ( nonemptyE1
                                                       => ( nonemptyI
                                                         => ( nonemptyI1
                                                           => ( setadjoinIL
                                                             => ( emptyinunitempty
                                                               => ( setadjoinIR
                                                                 => ( setadjoinE
                                                                   => ( setadjoinOr
                                                                     => ( setoftrueEq
                                                                       => ( powersetI
                                                                         => ( emptyinPowerset
                                                                           => ( emptyInPowerset
                                                                             => ( powersetE
                                                                               => ( setunionI
                                                                                 => ( setunionE
                                                                                   => ( subPowSU
                                                                                     => ( exuE2
                                                                                       => ( nonemptyImpWitness
                                                                                         => ( uniqinunit
                                                                                           => ( notinsingleton
                                                                                             => ( eqinunit
                                                                                               => ( singletonsswitch
                                                                                                 => ( upairsetE
                                                                                                   => ( upairsetIL
                                                                                                     => ( upairsetIR
                                                                                                       => ( emptyE1
                                                                                                         => ( vacuousDall
                                                                                                           => ( quantDeMorgan1
                                                                                                             => ( quantDeMorgan2
                                                                                                               => ( quantDeMorgan3
                                                                                                                 => ( quantDeMorgan4
                                                                                                                   => ( prop2setI
                                                                                                                     => ( prop2set2propI
                                                                                                                       => ( notdexE
                                                                                                                         => ( notdallE
                                                                                                                           => ( exuI1
                                                                                                                             => ( exuI3
                                                                                                                               => ( exuI2
                                                                                                                                 => ( inCongP
                                                                                                                                   => ( in__Cong
                                                                                                                                     => ( exuE3u
                                                                                                                                       => ( exu__Cong
                                                                                                                                         => ( emptyset__Cong
                                                                                                                                           => ( setadjoin__Cong
                                                                                                                                             => ( powerset__Cong
                                                                                                                                               => ( setunion__Cong
                                                                                                                                                 => ( omega__Cong
                                                                                                                                                   => ( exuEu
                                                                                                                                                     => ( descr__Cong
                                                                                                                                                       => ( dsetconstr__Cong
                                                                                                                                                         => ( subsetI1
                                                                                                                                                           => ( eqimpsubset2
                                                                                                                                                             => ( eqimpsubset1
                                                                                                                                                               => ( subsetI2
                                                                                                                                                                 => ( emptysetsubset
                                                                                                                                                                   => ( subsetE
                                                                                                                                                                     => ( subsetE2
                                                                                                                                                                       => ( notsubsetI
                                                                                                                                                                         => ( notequalI1
                                                                                                                                                                           => ( notequalI2
                                                                                                                                                                             => ( subsetRefl
                                                                                                                                                                               => ( subsetTrans
                                                                                                                                                                                 => ( setadjoinSub
                                                                                                                                                                                   => ( setadjoinSub2
                                                                                                                                                                                     => ( subset2powerset
                                                                                                                                                                                       => ( setextsub
                                                                                                                                                                                         => ( subsetemptysetimpeq
                                                                                                                                                                                           => ( powersetI1
                                                                                                                                                                                             => ( powersetE1
                                                                                                                                                                                               => ( inPowerset
                                                                                                                                                                                                 => ( powersetsubset
                                                                                                                                                                                                   => ( sepInPowerset
                                                                                                                                                                                                     => ( sepSubset
                                                                                                                                                                                                       => ( binunionIL
                                                                                                                                                                                                         => ( upairset2IR
                                                                                                                                                                                                           => ( binunionIR
                                                                                                                                                                                                             => ( binunionEcases
                                                                                                                                                                                                               => ( binunionE
                                                                                                                                                                                                                 => ( binunionLsub
                                                                                                                                                                                                                   => ( binunionRsub
                                                                                                                                                                                                                     => ( binintersectI
                                                                                                                                                                                                                       => ( binintersectSubset5
                                                                                                                                                                                                                         => ( binintersectEL
                                                                                                                                                                                                                           => ( binintersectLsub
                                                                                                                                                                                                                             => ( binintersectSubset2
                                                                                                                                                                                                                               => ( binintersectSubset3
                                                                                                                                                                                                                                 => ( binintersectER
                                                                                                                                                                                                                                   => ( disjointsetsI1
                                                                                                                                                                                                                                     => ( binintersectRsub
                                                                                                                                                                                                                                       => ( binintersectSubset4
                                                                                                                                                                                                                                         => ( binintersectSubset1
                                                                                                                                                                                                                                           => ( bs114d
                                                                                                                                                                                                                                             => ( setminusI
                                                                                                                                                                                                                                               => ( setminusEL
                                                                                                                                                                                                                                                 => ( setminusER
                                                                                                                                                                                                                                                   => ( setminusSubset2
                                                                                                                                                                                                                                                     => ( setminusERneg
                                                                                                                                                                                                                                                       => ( setminusELneg
                                                                                                                                                                                                                                                         => ( setminusILneg
                                                                                                                                                                                                                                                           => ( setminusIRneg
                                                                                                                                                                                                                                                             => ( setminusLsub
                                                                                                                                                                                                                                                               => ( setminusSubset1
                                                                                                                                                                                                                                                                 => ( symdiffE
                                                                                                                                                                                                                                                                   => ( symdiffI1
                                                                                                                                                                                                                                                                     => ( symdiffI2
                                                                                                                                                                                                                                                                       => ( symdiffIneg1
                                                                                                                                                                                                                                                                         => ( symdiffIneg2
                                                                                                                                                                                                                                                                           => ( secondinupair
                                                                                                                                                                                                                                                                             => ( setukpairIL
                                                                                                                                                                                                                                                                               => ( setukpairIR
                                                                                                                                                                                                                                                                                 => ( kpairiskpair
                                                                                                                                                                                                                                                                                   => ( kpairp
                                                                                                                                                                                                                                                                                     => ( singletonsubset
                                                                                                                                                                                                                                                                                       => ( singletoninpowerset
                                                                                                                                                                                                                                                                                         => ( singletoninpowunion
                                                                                                                                                                                                                                                                                           => ( upairset2E
                                                                                                                                                                                                                                                                                             => ( upairsubunion
                                                                                                                                                                                                                                                                                               => ( upairinpowunion
                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                       => ( cartprodpairin
                                                                                                                                                                                                                                                                                                         => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                           => ( cartprodmempair
                                                                                                                                                                                                                                                                                                             => ( setunionE2
                                                                                                                                                                                                                                                                                                               => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                     => ( singletonprop
                                                                                                                                                                                                                                                                                                                       => ( ex1E1
                                                                                                                                                                                                                                                                                                                         => ( ex1I
                                                                                                                                                                                                                                                                                                                           => ( ex1I2
                                                                                                                                                                                                                                                                                                                             => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                                 => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                   => ( theprop
                                                                                                                                                                                                                                                                                                                                     => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                   => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                 => ! [X0: $i,X1: $i,X2: $i,X3: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ ( kpair @ X2 @ X3 ) @ ( cartprod @ X1 @ X0 ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( in @ X2 @ X1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f181]) ).

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
                                                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                                 => ! [X4: $i,X3: $i,X1: $i,X2: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ ( kpair @ X1 @ X2 ) @ ( cartprod @ X3 @ X4 ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( in @ X1 @ X3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f180]) ).

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
                                                                                                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                               => ! [X4: $i,X3: $i,X1: $i,X2: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ ( kpair @ X1 @ X2 ) @ ( cartprod @ X3 @ X4 ) )
                                                                                                                                                                                                                                                                                                                                                                   => ( in @ X1 @ X3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',cartprodpairmemEL) ).

thf(f2784,plain,
    ( ( $true
      = ( in @ sK300 @ sK299 ) )
    | ( kfstpairEq != $true ) ),
    inference(superposition,[status(thm)],[f2566,f1572]) ).

thf(f1572,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( kfst @ ( kpair @ X1 @ X0 ) )
        = X1 )
      | ( kfstpairEq != $true ) ),
    inference(cnf_transformation,[status(thm)],[f770]) ).

thf(f770,plain,
    ( ( ! [X0: $i,X1: $i] :
          ( ( kfst @ ( kpair @ X1 @ X0 ) )
          = X1 )
      | ( kfstpairEq != $true ) )
    & ( ( kfstpairEq = $true )
      | ( sK9
       != ( kfst @ ( kpair @ sK9 @ sK8 ) ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK8,sK9])],[f768,f769]) ).

thf(f769,plain,
    ( ? [X2: $i,X3: $i] :
        ( ( kfst @ ( kpair @ X3 @ X2 ) )
       != X3 )
   => ( sK9
     != ( kfst @ ( kpair @ sK9 @ sK8 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f768,plain,
    ( ( ! [X0: $i,X1: $i] :
          ( ( kfst @ ( kpair @ X1 @ X0 ) )
          = X1 )
      | ( kfstpairEq != $true ) )
    & ( ( kfstpairEq = $true )
      | ? [X2: $i,X3: $i] :
          ( ( kfst @ ( kpair @ X3 @ X2 ) )
         != X3 ) ) ),
    inference(rectify,[status(thm)],[f767]) ).

thf(f767,plain,
    ( ( ! [X0: $i,X1: $i] :
          ( ( kfst @ ( kpair @ X1 @ X0 ) )
          = X1 )
      | ( kfstpairEq != $true ) )
    & ( ( kfstpairEq = $true )
      | ? [X0: $i,X1: $i] :
          ( ( kfst @ ( kpair @ X1 @ X0 ) )
         != X1 ) ) ),
    inference(nnf_transformation,[status(thm)],[f337]) ).

thf(f337,plain,
    ( ! [X0: $i,X1: $i] :
        ( ( kfst @ ( kpair @ X1 @ X0 ) )
        = X1 )
  <=> ( kfstpairEq = $true ) ),
    inference(fool_elimination,[status(thm)],[f336]) ).

thf(f336,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( kfst @ ( kpair @ X1 @ X0 ) )
        = X1 )
      = kfstpairEq ),
    inference(rectify,[status(thm)],[f166]) ).

thf(f166,axiom,
    ! [X2: $i,X1: $i] :
      ( ( ( kfst @ ( kpair @ X1 @ X2 ) )
        = X1 )
      = kfstpairEq ),
    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',kfstpairEq) ).

thf(f2566,plain,
    ( $true
    = ( in @ ( kfst @ ( kpair @ sK300 @ sK301 ) ) @ sK299 ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2565]) ).

thf(f2565,plain,
    ( ( $true
      = ( in @ ( kfst @ ( kpair @ sK300 @ sK301 ) ) @ sK299 ) )
    | ( $true != $true ) ),
    inference(forward_demodulation,[status(thm)],[f2555,f2091]) ).

thf(f2091,plain,
    cartprodfstin = $true,
    inference(cnf_transformation,[status(thm)],[f1237]) ).

thf(f2555,plain,
    ( ( $true
      = ( in @ ( kfst @ ( kpair @ sK300 @ sK301 ) ) @ sK299 ) )
    | ( cartprodfstin != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2553]) ).

thf(f2553,plain,
    ( ( $true != $true )
    | ( $true
      = ( in @ ( kfst @ ( kpair @ sK300 @ sK301 ) ) @ sK299 ) )
    | ( cartprodfstin != $true ) ),
    inference(superposition,[status(thm)],[f1693,f2024]) ).

thf(f2024,plain,
    ( $true
    = ( in @ ( kpair @ sK300 @ sK301 ) @ ( cartprod @ sK299 @ sK298 ) ) ),
    inference(cnf_transformation,[status(thm)],[f1237]) ).

thf(f1693,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( $true
       != ( in @ X2 @ ( cartprod @ X0 @ X1 ) ) )
      | ( cartprodfstin != $true )
      | ( ( in @ ( kfst @ X2 ) @ X0 )
        = $true ) ),
    inference(cnf_transformation,[status(thm)],[f916]) ).

thf(f916,plain,
    ( ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( ( in @ ( kfst @ X2 ) @ X0 )
            = $true )
          | ( $true
           != ( in @ X2 @ ( cartprod @ X0 @ X1 ) ) ) )
      | ( cartprodfstin != $true ) )
    & ( ( cartprodfstin = $true )
      | ( ( $true
         != ( in @ ( kfst @ sK97 ) @ sK95 ) )
        & ( $true
          = ( in @ sK97 @ ( cartprod @ sK95 @ sK96 ) ) ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK95,sK96,sK97])],[f914,f915]) ).

thf(f915,plain,
    ( ? [X3: $i,X4: $i,X5: $i] :
        ( ( $true
         != ( in @ ( kfst @ X5 ) @ X3 ) )
        & ( ( in @ X5 @ ( cartprod @ X3 @ X4 ) )
          = $true ) )
   => ( ( $true
       != ( in @ ( kfst @ sK97 ) @ sK95 ) )
      & ( $true
        = ( in @ sK97 @ ( cartprod @ sK95 @ sK96 ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f914,plain,
    ( ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( ( in @ ( kfst @ X2 ) @ X0 )
            = $true )
          | ( $true
           != ( in @ X2 @ ( cartprod @ X0 @ X1 ) ) ) )
      | ( cartprodfstin != $true ) )
    & ( ( cartprodfstin = $true )
      | ? [X3: $i,X4: $i,X5: $i] :
          ( ( $true
           != ( in @ ( kfst @ X5 ) @ X3 ) )
          & ( ( in @ X5 @ ( cartprod @ X3 @ X4 ) )
            = $true ) ) ) ),
    inference(rectify,[status(thm)],[f913]) ).

thf(f913,plain,
    ( ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( ( in @ ( kfst @ X2 ) @ X0 )
            = $true )
          | ( $true
           != ( in @ X2 @ ( cartprod @ X0 @ X1 ) ) ) )
      | ( cartprodfstin != $true ) )
    & ( ( cartprodfstin = $true )
      | ? [X0: $i,X1: $i,X2: $i] :
          ( ( ( in @ ( kfst @ X2 ) @ X0 )
           != $true )
          & ( $true
            = ( in @ X2 @ ( cartprod @ X0 @ X1 ) ) ) ) ) ),
    inference(nnf_transformation,[status(thm)],[f643]) ).

thf(f643,plain,
    ( ! [X0: $i,X1: $i,X2: $i] :
        ( ( ( in @ ( kfst @ X2 ) @ X0 )
          = $true )
        | ( $true
         != ( in @ X2 @ ( cartprod @ X0 @ X1 ) ) ) )
  <=> ( cartprodfstin = $true ) ),
    inference(ennf_transformation,[status(thm)],[f248]) ).

thf(f248,plain,
    ( ( cartprodfstin = $true )
  <=> ! [X0: $i,X1: $i,X2: $i] :
        ( ( $true
          = ( in @ X2 @ ( cartprod @ X0 @ X1 ) ) )
       => ( ( in @ ( kfst @ X2 ) @ X0 )
          = $true ) ) ),
    inference(fool_elimination,[status(thm)],[f247]) ).

thf(f247,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( ( in @ X2 @ ( cartprod @ X0 @ X1 ) )
       => ( in @ ( kfst @ X2 ) @ X0 ) )
      = cartprodfstin ),
    inference(rectify,[status(thm)],[f167]) ).

thf(f167,axiom,
    ! [X3: $i,X4: $i,X10: $i] :
      ( ( ( in @ X10 @ ( cartprod @ X3 @ X4 ) )
       => ( in @ ( kfst @ X10 ) @ X3 ) )
      = cartprodfstin ),
    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',cartprodfstin) ).

thf(f3939,plain,
    ~ spl490_19,
    inference(avatar_split_clause,[status(thm)],[f2774,f3241]) ).

thf(f2774,plain,
    ( $true
   != ( in @ sK300 @ sK299 ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2773]) ).

thf(f2773,plain,
    ( ( $true
     != ( in @ sK300 @ sK299 ) )
    | ( $true != $true ) ),
    inference(forward_demodulation,[status(thm)],[f2729,f2123]) ).

thf(f2123,plain,
    eqimpsubset1 = $true,
    inference(cnf_transformation,[status(thm)],[f1237]) ).

thf(f2729,plain,
    ( ( eqimpsubset1 != $true )
    | ( $true
     != ( in @ sK300 @ sK299 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2713]) ).

thf(f2713,plain,
    ( ( $true != $true )
    | ( $true
     != ( in @ sK300 @ sK299 ) )
    | ( eqimpsubset1 != $true ) ),
    inference(superposition,[status(thm)],[f2550,f2454]) ).

thf(f2454,plain,
    ! [X1: $i] :
      ( ( $true
        = ( subset @ X1 @ X1 ) )
      | ( eqimpsubset1 != $true ) ),
    inference(equality_resolution,[status(thm)],[f2324]) ).

thf(f2324,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 != X1 )
      | ( $true
        = ( subset @ X1 @ X0 ) )
      | ( eqimpsubset1 != $true ) ),
    inference(cnf_transformation,[status(thm)],[f1463]) ).

thf(f1463,plain,
    ( ( ! [X0: $i,X1: $i] :
          ( ( X0 != X1 )
          | ( $true
            = ( subset @ X1 @ X0 ) ) )
      | ( eqimpsubset1 != $true ) )
    & ( ( eqimpsubset1 = $true )
      | ( ( sK427 = sK426 )
        & ( $true
         != ( subset @ sK427 @ sK426 ) ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK426,sK427])],[f1461,f1462]) ).

thf(f1462,plain,
    ( ? [X2: $i,X3: $i] :
        ( ( X2 = X3 )
        & ( $true
         != ( subset @ X3 @ X2 ) ) )
   => ( ( sK427 = sK426 )
      & ( $true
       != ( subset @ sK427 @ sK426 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f1461,plain,
    ( ( ! [X0: $i,X1: $i] :
          ( ( X0 != X1 )
          | ( $true
            = ( subset @ X1 @ X0 ) ) )
      | ( eqimpsubset1 != $true ) )
    & ( ( eqimpsubset1 = $true )
      | ? [X2: $i,X3: $i] :
          ( ( X2 = X3 )
          & ( $true
           != ( subset @ X3 @ X2 ) ) ) ) ),
    inference(rectify,[status(thm)],[f1460]) ).

thf(f1460,plain,
    ( ( ! [X0: $i,X1: $i] :
          ( ( X0 != X1 )
          | ( $true
            = ( subset @ X1 @ X0 ) ) )
      | ( eqimpsubset1 != $true ) )
    & ( ( eqimpsubset1 = $true )
      | ? [X0: $i,X1: $i] :
          ( ( X0 = X1 )
          & ( $true
           != ( subset @ X1 @ X0 ) ) ) ) ),
    inference(nnf_transformation,[status(thm)],[f598]) ).

thf(f598,plain,
    ( ! [X0: $i,X1: $i] :
        ( ( X0 != X1 )
        | ( $true
          = ( subset @ X1 @ X0 ) ) )
  <=> ( eqimpsubset1 = $true ) ),
    inference(ennf_transformation,[status(thm)],[f395]) ).

thf(f395,plain,
    ( ( eqimpsubset1 = $true )
  <=> ! [X0: $i,X1: $i] :
        ( ( X0 = X1 )
       => ( $true
          = ( subset @ X1 @ X0 ) ) ) ),
    inference(fool_elimination,[status(thm)],[f394]) ).

thf(f394,plain,
    ( eqimpsubset1
    = ( ! [X0: $i,X1: $i] :
          ( ( X0 = X1 )
         => ( subset @ X1 @ X0 ) ) ) ),
    inference(rectify,[status(thm)],[f80]) ).

thf(f80,axiom,
    ( eqimpsubset1
    = ( ! [X4: $i,X3: $i] :
          ( ( X3 = X4 )
         => ( subset @ X3 @ X4 ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',eqimpsubset1) ).

thf(f2550,plain,
    ! [X0: $i] :
      ( ( $true
       != ( subset @ X0 @ sK299 ) )
      | ( ( in @ sK300 @ X0 )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2549]) ).

thf(f2549,plain,
    ! [X0: $i] :
      ( ( $true
       != ( subset @ X0 @ sK299 ) )
      | ( $true != $true )
      | ( ( in @ sK300 @ X0 )
       != $true ) ),
    inference(forward_demodulation,[status(thm)],[f2541,f2126]) ).

thf(f2126,plain,
    notsubsetI = $true,
    inference(cnf_transformation,[status(thm)],[f1237]) ).

thf(f2541,plain,
    ! [X0: $i] :
      ( ( ( in @ sK300 @ X0 )
       != $true )
      | ( $true
       != ( subset @ X0 @ sK299 ) )
      | ( notsubsetI != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2540]) ).

thf(f2540,plain,
    ! [X0: $i] :
      ( ( ( in @ sK300 @ X0 )
       != $true )
      | ( $true
       != ( subset @ X0 @ sK299 ) )
      | ( $true != $true )
      | ( notsubsetI != $true ) ),
    inference(superposition,[status(thm)],[f2023,f1597]) ).

thf(f1597,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( ( in @ X1 @ X0 )
        = $true )
      | ( notsubsetI != $true )
      | ( ( in @ X1 @ X2 )
       != $true )
      | ( $true
       != ( subset @ X2 @ X0 ) ) ),
    inference(cnf_transformation,[status(thm)],[f805]) ).

thf(f805,plain,
    ( ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( ( in @ X1 @ X0 )
            = $true )
          | ( $true
           != ( subset @ X2 @ X0 ) )
          | ( ( in @ X1 @ X2 )
           != $true ) )
      | ( notsubsetI != $true ) )
    & ( ( notsubsetI = $true )
      | ( ( ( in @ sK26 @ sK25 )
         != $true )
        & ( ( subset @ sK27 @ sK25 )
          = $true )
        & ( ( in @ sK26 @ sK27 )
          = $true ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK25,sK26,sK27])],[f803,f804]) ).

thf(f804,plain,
    ( ? [X3: $i,X4: $i,X5: $i] :
        ( ( ( in @ X4 @ X3 )
         != $true )
        & ( ( subset @ X5 @ X3 )
          = $true )
        & ( $true
          = ( in @ X4 @ X5 ) ) )
   => ( ( ( in @ sK26 @ sK25 )
       != $true )
      & ( ( subset @ sK27 @ sK25 )
        = $true )
      & ( ( in @ sK26 @ sK27 )
        = $true ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f803,plain,
    ( ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( ( in @ X1 @ X0 )
            = $true )
          | ( $true
           != ( subset @ X2 @ X0 ) )
          | ( ( in @ X1 @ X2 )
           != $true ) )
      | ( notsubsetI != $true ) )
    & ( ( notsubsetI = $true )
      | ? [X3: $i,X4: $i,X5: $i] :
          ( ( ( in @ X4 @ X3 )
           != $true )
          & ( ( subset @ X5 @ X3 )
            = $true )
          & ( $true
            = ( in @ X4 @ X5 ) ) ) ) ),
    inference(rectify,[status(thm)],[f802]) ).

thf(f802,plain,
    ( ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( ( in @ X1 @ X0 )
            = $true )
          | ( $true
           != ( subset @ X2 @ X0 ) )
          | ( ( in @ X1 @ X2 )
           != $true ) )
      | ( notsubsetI != $true ) )
    & ( ( notsubsetI = $true )
      | ? [X0: $i,X1: $i,X2: $i] :
          ( ( ( in @ X1 @ X0 )
           != $true )
          & ( $true
            = ( subset @ X2 @ X0 ) )
          & ( ( in @ X1 @ X2 )
            = $true ) ) ) ),
    inference(nnf_transformation,[status(thm)],[f602]) ).

thf(f602,plain,
    ( ! [X0: $i,X1: $i,X2: $i] :
        ( ( ( in @ X1 @ X0 )
          = $true )
        | ( $true
         != ( subset @ X2 @ X0 ) )
        | ( ( in @ X1 @ X2 )
         != $true ) )
  <=> ( notsubsetI = $true ) ),
    inference(flattening,[status(thm)],[f601]) ).

thf(f601,plain,
    ( ( notsubsetI = $true )
  <=> ! [X0: $i,X1: $i,X2: $i] :
        ( ( $true
         != ( subset @ X2 @ X0 ) )
        | ( ( in @ X1 @ X0 )
          = $true )
        | ( ( in @ X1 @ X2 )
         != $true ) ) ),
    inference(ennf_transformation,[status(thm)],[f567]) ).

thf(f567,plain,
    ( ( notsubsetI = $true )
  <=> ! [X0: $i,X1: $i,X2: $i] :
        ( ( ( in @ X1 @ X2 )
          = $true )
       => ( ( ( in @ X1 @ X0 )
           != $true )
         => ( $true
           != ( subset @ X2 @ X0 ) ) ) ) ),
    inference(flattening,[status(thm)],[f445]) ).

thf(f445,plain,
    ( ( notsubsetI = $true )
  <=> ! [X0: $i,X1: $i,X2: $i] :
        ( ( ( in @ X1 @ X2 )
          = $true )
       => ( ( ( in @ X1 @ X0 )
           != $true )
         => ( $true
           != ( subset @ X2 @ X0 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f444]) ).

thf(f444,plain,
    ( notsubsetI
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X1 @ X2 )
         => ( ~ ( in @ X1 @ X0 )
           => ~ ( subset @ X2 @ X0 ) ) ) ) ),
    inference(rectify,[status(thm)],[f85]) ).

thf(f85,axiom,
    ( notsubsetI
    = ( ! [X4: $i,X1: $i,X3: $i] :
          ( ( in @ X1 @ X3 )
         => ( ~ ( in @ X1 @ X4 )
           => ~ ( subset @ X3 @ X4 ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',notsubsetI) ).

thf(f2023,plain,
    ( $true
   != ( in @ sK300 @ sK299 ) ),
    inference(cnf_transformation,[status(thm)],[f1237]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU659^1 : TPTP v9.2.1. Released v3.7.0.
% 0.12/0.13  % Command  : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.16/0.34  % Computer : n005.cluster.edu
% 0.16/0.34  % Model    : x86_64 x86_64
% 0.16/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.34  % Memory   : 8042.1875MB
% 0.16/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.34  % CPULimit : 300
% 0.16/0.34  % WCLimit  : 300
% 0.16/0.34  % DateTime : Tue Feb 24 12:29:29 EST 2026
% 0.16/0.34  % CPUTime  : 
% 0.16/0.34  Running /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.27/0.46  ---- Original DTF file ---
% 0.27/0.46  thf(spec,logic,$$dhol).
% 0.27/0.46  %------------------------------------------------------------------------------
% 0.27/0.46  % File     : SEU659^1 : TPTP v9.2.1. Released v3.7.0.
% 0.27/0.46  % Domain   : Set Theory
% 0.27/0.46  % Problem  : Ordered Pairs - Properties of Pairs
% 0.27/0.46  % Version  : Especial.
% 0.27/0.46  % English  : (! A:i.! B:i.! x:i.! y:i.in (kpair x y) (cartprod A B) -> in x A)
% 0.27/0.46  
% 0.27/0.46  % Refs     : [Bro08] Brown (2008), Email to G. Sutcliffe
% 0.27/0.46  % Source   : [Bro08]
% 0.27/0.46  % Names    : ZFC161g [Bro08]
% 0.27/0.46  
% 0.27/0.46  % Status   : Theorem
% 0.27/0.46  % Rating   : 0.22 v9.1.0, 0.25 v9.0.0, 0.30 v8.2.0, 0.38 v8.1.0, 0.09 v7.5.0, 0.00 v7.4.0, 0.11 v7.2.0, 0.00 v7.1.0, 0.25 v7.0.0, 0.14 v6.4.0, 0.17 v6.3.0, 0.20 v6.2.0, 0.14 v6.1.0, 0.29 v5.5.0, 0.33 v5.4.0, 0.40 v5.2.0, 0.60 v5.1.0, 0.80 v4.1.0, 0.67 v3.7.0
% 0.27/0.46  % Syntax   : Number of formulae    :  386 ( 179 unt; 206 typ; 179 def)
% 0.27/0.46  %            Number of atoms       :  951 ( 268 equ;   0 cnn)
% 0.27/0.46  %            Maximal formula atoms :  177 (   5 avg)
% 0.27/0.46  %            Number of connectives : 1667 (  47   ~;   7   |;  35   &;1144   @)
% 0.27/0.46  %                                         (  14 <=>; 420  =>;   0  <=;   0 <~>)
% 0.27/0.46  %            Maximal formula depth :  185 (   2 avg)
% 0.27/0.46  %            Number of types       :    2 (   0 usr)
% 0.27/0.46  %            Number of type conns  :   84 (  84   >;   0   *;   0   +;   0  <<)
% 0.27/0.46  %            Number of symbols     :  209 ( 206 usr; 179 con; 0-2 aty)
% 0.27/0.46  %            Number of variables   :  522 (  40   ^; 446   !;  36   ?; 522   :)
% 0.27/0.46  % SPC      : TH0_THM_EQU_NAR
% 0.27/0.46  
% 0.27/0.46  % Comments : http://mathgate.info/detsetitem.php?id=337
% 0.27/0.46  %------------------------------------------------------------------------------
% 0.27/0.46  thf(in_type,type,
% 0.27/0.46      in: $i > $i > $o ).
% 0.27/0.46  
% 0.27/0.46  thf(exu_type,type,
% 0.27/0.46      exu: ( $i > $o ) > $o ).
% 0.27/0.46  
% 0.27/0.46  thf(exu,definition,
% 0.27/0.46      ( exu
% 0.27/0.46      = ( ^ [Xphi: $i > $o] :
% 0.27/0.46          ? [Xx: $i] :
% 0.27/0.46            ( ( Xphi @ Xx )
% 0.27/0.46            & ! [Xy: $i] :
% 0.27/0.46                ( ( Xphi @ Xy )
% 0.27/0.46               => ( Xx = Xy ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(setextAx_type,type,
% 0.27/0.46      setextAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(setextAx,definition,
% 0.27/0.46      ( setextAx
% 0.27/0.46      = ( ! [A: $i,B: $i] :
% 0.27/0.46            ( ! [Xx: $i] :
% 0.27/0.46                ( ( in @ Xx @ A )
% 0.27/0.46              <=> ( in @ Xx @ B ) )
% 0.27/0.46           => ( A = B ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(emptyset_type,type,
% 0.27/0.46      emptyset: $i ).
% 0.27/0.46  
% 0.27/0.46  thf(emptysetAx_type,type,
% 0.27/0.46      emptysetAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(emptysetAx,definition,
% 0.27/0.46      ( emptysetAx
% 0.27/0.46      = ( ! [Xx: $i] :
% 0.27/0.46            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(setadjoin_type,type,
% 0.27/0.46      setadjoin: $i > $i > $i ).
% 0.27/0.46  
% 0.27/0.46  thf(setadjoinAx_type,type,
% 0.27/0.46      setadjoinAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(setadjoinAx,definition,
% 0.27/0.46      ( setadjoinAx
% 0.27/0.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.27/0.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.27/0.46          <=> ( ( Xy = Xx )
% 0.27/0.46              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(powerset_type,type,
% 0.27/0.46      powerset: $i > $i ).
% 0.27/0.46  
% 0.27/0.46  thf(powersetAx_type,type,
% 0.27/0.46      powersetAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(powersetAx,definition,
% 0.27/0.46      ( powersetAx
% 0.27/0.46      = ( ! [A: $i,B: $i] :
% 0.27/0.46            ( ( in @ B @ ( powerset @ A ) )
% 0.27/0.46          <=> ! [Xx: $i] :
% 0.27/0.46                ( ( in @ Xx @ B )
% 0.27/0.46               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(setunion_type,type,
% 0.27/0.46      setunion: $i > $i ).
% 0.27/0.46  
% 0.27/0.46  thf(setunionAx_type,type,
% 0.27/0.46      setunionAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(setunionAx,definition,
% 0.27/0.46      ( setunionAx
% 0.27/0.46      = ( ! [A: $i,Xx: $i] :
% 0.27/0.46            ( ( in @ Xx @ ( setunion @ A ) )
% 0.27/0.46          <=> ? [B: $i] :
% 0.27/0.46                ( ( in @ Xx @ B )
% 0.27/0.46                & ( in @ B @ A ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(omega_type,type,
% 0.27/0.46      omega: $i ).
% 0.27/0.46  
% 0.27/0.46  thf(omega0Ax_type,type,
% 0.27/0.46      omega0Ax: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(omega0Ax,definition,
% 0.27/0.46      ( omega0Ax
% 0.27/0.46      = ( in @ emptyset @ omega ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(omegaSAx_type,type,
% 0.27/0.46      omegaSAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(omegaSAx,definition,
% 0.27/0.46      ( omegaSAx
% 0.27/0.46      = ( ! [Xx: $i] :
% 0.27/0.46            ( ( in @ Xx @ omega )
% 0.27/0.46           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(omegaIndAx_type,type,
% 0.27/0.46      omegaIndAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(omegaIndAx,definition,
% 0.27/0.46      ( omegaIndAx
% 0.27/0.46      = ( ! [A: $i] :
% 0.27/0.46            ( ( ( in @ emptyset @ A )
% 0.27/0.46              & ! [Xx: $i] :
% 0.27/0.46                  ( ( ( in @ Xx @ omega )
% 0.27/0.46                    & ( in @ Xx @ A ) )
% 0.27/0.46                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 0.27/0.46           => ! [Xx: $i] :
% 0.27/0.46                ( ( in @ Xx @ omega )
% 0.27/0.46               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(replAx_type,type,
% 0.27/0.46      replAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(replAx,definition,
% 0.27/0.46      ( replAx
% 0.27/0.46      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 0.27/0.46            ( ! [Xx: $i] :
% 0.27/0.46                ( ( in @ Xx @ A )
% 0.27/0.46               => ( exu
% 0.27/0.46                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 0.27/0.46           => ? [B: $i] :
% 0.27/0.46              ! [Xx: $i] :
% 0.27/0.46                ( ( in @ Xx @ B )
% 0.27/0.46              <=> ? [Xy: $i] :
% 0.27/0.46                    ( ( in @ Xy @ A )
% 0.27/0.46                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(foundationAx_type,type,
% 0.27/0.46      foundationAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(foundationAx,definition,
% 0.27/0.46      ( foundationAx
% 0.27/0.46      = ( ! [A: $i] :
% 0.27/0.46            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.27/0.46           => ? [B: $i] :
% 0.27/0.46                ( ( in @ B @ A )
% 0.27/0.46                & ~ ? [Xx: $i] :
% 0.27/0.46                      ( ( in @ Xx @ B )
% 0.27/0.46                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(wellorderingAx_type,type,
% 0.27/0.46      wellorderingAx: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(wellorderingAx,definition,
% 0.27/0.46      ( wellorderingAx
% 0.27/0.46      = ( ! [A: $i] :
% 0.27/0.46          ? [B: $i] :
% 0.27/0.46            ( ! [C: $i] :
% 0.27/0.46                ( ( in @ C @ B )
% 0.27/0.46               => ! [Xx: $i] :
% 0.27/0.46                    ( ( in @ Xx @ C )
% 0.27/0.46                   => ( in @ Xx @ A ) ) )
% 0.27/0.46            & ! [Xx: $i,Xy: $i] :
% 0.27/0.46                ( ( ( in @ Xx @ A )
% 0.27/0.46                  & ( in @ Xy @ A ) )
% 0.27/0.46               => ( ! [C: $i] :
% 0.27/0.46                      ( ( in @ C @ B )
% 0.27/0.46                     => ( ( in @ Xx @ C )
% 0.27/0.46                      <=> ( in @ Xy @ C ) ) )
% 0.27/0.46                 => ( Xx = Xy ) ) )
% 0.27/0.46            & ! [C: $i,D: $i] :
% 0.27/0.46                ( ( ( in @ C @ B )
% 0.27/0.46                  & ( in @ D @ B ) )
% 0.27/0.46               => ( ! [Xx: $i] :
% 0.27/0.46                      ( ( in @ Xx @ C )
% 0.27/0.46                     => ( in @ Xx @ D ) )
% 0.27/0.46                  | ! [Xx: $i] :
% 0.27/0.46                      ( ( in @ Xx @ D )
% 0.27/0.46                     => ( in @ Xx @ C ) ) ) )
% 0.27/0.46            & ! [C: $i] :
% 0.27/0.46                ( ( ! [Xx: $i] :
% 0.27/0.46                      ( ( in @ Xx @ C )
% 0.27/0.46                     => ( in @ Xx @ A ) )
% 0.27/0.46                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 0.27/0.46               => ? [D: $i,Xx: $i] :
% 0.27/0.46                    ( ( in @ D @ B )
% 0.27/0.46                    & ( in @ Xx @ C )
% 0.27/0.46                    & ~ ? [Xy: $i] :
% 0.27/0.46                          ( ( in @ Xy @ D )
% 0.27/0.46                          & ( in @ Xy @ C ) )
% 0.27/0.46                    & ! [E: $i] :
% 0.27/0.46                        ( ( in @ E @ B )
% 0.27/0.46                       => ( ! [Xy: $i] :
% 0.27/0.46                              ( ( in @ Xy @ E )
% 0.27/0.46                             => ( in @ Xy @ D ) )
% 0.27/0.46                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(descr_type,type,
% 0.27/0.46      descr: ( $i > $o ) > $i ).
% 0.27/0.46  
% 0.27/0.46  thf(descrp_type,type,
% 0.27/0.46      descrp: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(descrp,definition,
% 0.27/0.46      ( descrp
% 0.27/0.46      = ( ! [Xphi: $i > $o] :
% 0.27/0.46            ( ( exu
% 0.27/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.46           => ( Xphi
% 0.27/0.46              @ ( descr
% 0.27/0.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(dsetconstr_type,type,
% 0.27/0.46      dsetconstr: $i > ( $i > $o ) > $i ).
% 0.27/0.46  
% 0.27/0.46  thf(dsetconstrI_type,type,
% 0.27/0.46      dsetconstrI: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(dsetconstrI,definition,
% 0.27/0.46      ( dsetconstrI
% 0.27/0.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.27/0.46            ( ( in @ Xx @ A )
% 0.27/0.46           => ( ( Xphi @ Xx )
% 0.27/0.46             => ( in @ Xx
% 0.27/0.46                @ ( dsetconstr @ A
% 0.27/0.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(dsetconstrEL_type,type,
% 0.27/0.46      dsetconstrEL: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(dsetconstrEL,definition,
% 0.27/0.46      ( dsetconstrEL
% 0.27/0.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.27/0.46            ( ( in @ Xx
% 0.27/0.46              @ ( dsetconstr @ A
% 0.27/0.46                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.27/0.46           => ( in @ Xx @ A ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(dsetconstrER_type,type,
% 0.27/0.46      dsetconstrER: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(dsetconstrER,definition,
% 0.27/0.46      ( dsetconstrER
% 0.27/0.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.27/0.46            ( ( in @ Xx
% 0.27/0.46              @ ( dsetconstr @ A
% 0.27/0.46                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.27/0.46           => ( Xphi @ Xx ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(exuE1_type,type,
% 0.27/0.46      exuE1: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(exuE1,definition,
% 0.27/0.46      ( exuE1
% 0.27/0.46      = ( ! [Xphi: $i > $o] :
% 0.27/0.46            ( ( exu
% 0.27/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.46           => ? [Xx: $i] :
% 0.27/0.46                ( ( Xphi @ Xx )
% 0.27/0.46                & ! [Xy: $i] :
% 0.27/0.46                    ( ( Xphi @ Xy )
% 0.27/0.46                   => ( Xx = Xy ) ) ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(prop2set_type,type,
% 0.27/0.46      prop2set: $o > $i ).
% 0.27/0.46  
% 0.27/0.46  thf(prop2setE_type,type,
% 0.27/0.46      prop2setE: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(prop2setE,definition,
% 0.27/0.46      ( prop2setE
% 0.27/0.46      = ( ! [Xphi: $o,Xx: $i] :
% 0.27/0.46            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 0.27/0.46           => Xphi ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(emptysetE_type,type,
% 0.27/0.46      emptysetE: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(emptysetE,definition,
% 0.27/0.46      ( emptysetE
% 0.27/0.46      = ( ! [Xx: $i] :
% 0.27/0.46            ( ( in @ Xx @ emptyset )
% 0.27/0.46           => ! [Xphi: $o] : Xphi ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(emptysetimpfalse_type,type,
% 0.27/0.46      emptysetimpfalse: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(emptysetimpfalse,definition,
% 0.27/0.46      ( emptysetimpfalse
% 0.27/0.46      = ( ! [Xx: $i] :
% 0.27/0.46            ( ( in @ Xx @ emptyset )
% 0.27/0.46           => $false ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(notinemptyset_type,type,
% 0.27/0.46      notinemptyset: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(notinemptyset,definition,
% 0.27/0.46      ( notinemptyset
% 0.27/0.46      = ( ! [Xx: $i] :
% 0.27/0.46            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(exuE3e_type,type,
% 0.27/0.46      exuE3e: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(exuE3e,definition,
% 0.27/0.46      ( exuE3e
% 0.27/0.46      = ( ! [Xphi: $i > $o] :
% 0.27/0.46            ( ( exu
% 0.27/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.46           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 0.27/0.46  
% 0.27/0.46  thf(setext_type,type,
% 0.27/0.46      setext: $o ).
% 0.27/0.46  
% 0.27/0.46  thf(setext,definition,
% 0.27/0.46      ( setext
% 0.27/0.46      = ( ! [A: $i,B: $i] :
% 0.27/0.46            ( ! [Xx: $i] :
% 0.27/0.46                ( ( in @ Xx @ A )
% 0.27/0.46               => ( in @ Xx @ B ) )
% 0.27/0.46           => ( ! [Xx: $i] :
% 0.27/0.46                  ( ( in @ Xx @ B )
% 0.27/0.47                 => ( in @ Xx @ A ) )
% 0.27/0.47             => ( A = B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyI_type,type,
% 0.27/0.47      emptyI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyI,definition,
% 0.27/0.47      ( emptyI
% 0.27/0.47      = ( ! [A: $i] :
% 0.27/0.47            ( ! [Xx: $i] :
% 0.27/0.47                ~ ( in @ Xx @ A )
% 0.27/0.47           => ( A = emptyset ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(noeltsimpempty_type,type,
% 0.27/0.47      noeltsimpempty: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(noeltsimpempty,definition,
% 0.27/0.47      ( noeltsimpempty
% 0.27/0.47      = ( ! [A: $i] :
% 0.27/0.47            ( ! [Xx: $i] :
% 0.27/0.47                ~ ( in @ Xx @ A )
% 0.27/0.47           => ( A = emptyset ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setbeta_type,type,
% 0.27/0.47      setbeta: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setbeta,definition,
% 0.27/0.47      ( setbeta
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ( in @ Xx
% 0.27/0.47                @ ( dsetconstr @ A
% 0.27/0.47                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.27/0.47            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(nonempty_type,type,
% 0.27/0.47      nonempty: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(nonempty,definition,
% 0.27/0.47      ( nonempty
% 0.27/0.47      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(nonemptyE1_type,type,
% 0.27/0.47      nonemptyE1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(nonemptyE1,definition,
% 0.27/0.47      ( nonemptyE1
% 0.27/0.47      = ( ! [A: $i] :
% 0.27/0.47            ( ( nonempty @ A )
% 0.27/0.47           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(nonemptyI_type,type,
% 0.27/0.47      nonemptyI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(nonemptyI,definition,
% 0.27/0.47      ( nonemptyI
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ( Xphi @ Xx )
% 0.27/0.47             => ( nonempty
% 0.27/0.47                @ ( dsetconstr @ A
% 0.27/0.47                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(nonemptyI1_type,type,
% 0.27/0.47      nonemptyI1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(nonemptyI1,definition,
% 0.27/0.47      ( nonemptyI1
% 0.27/0.47      = ( ! [A: $i] :
% 0.27/0.47            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.27/0.47           => ( nonempty @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinIL_type,type,
% 0.27/0.47      setadjoinIL: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinIL,definition,
% 0.27/0.47      ( setadjoinIL
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyinunitempty_type,type,
% 0.27/0.47      emptyinunitempty: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyinunitempty,definition,
% 0.27/0.47      ( emptyinunitempty
% 0.27/0.47      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinIR_type,type,
% 0.27/0.47      setadjoinIR: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinIR,definition,
% 0.27/0.47      ( setadjoinIR
% 0.27/0.47      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.27/0.47            ( ( in @ Xy @ A )
% 0.27/0.47           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinE_type,type,
% 0.27/0.47      setadjoinE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinE,definition,
% 0.27/0.47      ( setadjoinE
% 0.27/0.47      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.27/0.47            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.27/0.47           => ! [Xphi: $o] :
% 0.27/0.47                ( ( ( Xy = Xx )
% 0.27/0.47                 => Xphi )
% 0.27/0.47               => ( ( ( in @ Xy @ A )
% 0.27/0.47                   => Xphi )
% 0.27/0.47                 => Xphi ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinOr_type,type,
% 0.27/0.47      setadjoinOr: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinOr,definition,
% 0.27/0.47      ( setadjoinOr
% 0.27/0.47      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.27/0.47            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.27/0.47           => ( ( Xy = Xx )
% 0.27/0.47              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setoftrueEq_type,type,
% 0.27/0.47      setoftrueEq: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setoftrueEq,definition,
% 0.27/0.47      ( setoftrueEq
% 0.27/0.47      = ( ! [A: $i] :
% 0.27/0.47            ( ( dsetconstr @ A
% 0.27/0.47              @ ^ [Xx: $i] : $true )
% 0.27/0.47            = A ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetI_type,type,
% 0.27/0.47      powersetI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetI,definition,
% 0.27/0.47      ( powersetI
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ! [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ B )
% 0.27/0.47               => ( in @ Xx @ A ) )
% 0.27/0.47           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyinPowerset_type,type,
% 0.27/0.47      emptyinPowerset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyinPowerset,definition,
% 0.27/0.47      ( emptyinPowerset
% 0.27/0.47      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyInPowerset_type,type,
% 0.27/0.47      emptyInPowerset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyInPowerset,definition,
% 0.27/0.47      ( emptyInPowerset
% 0.27/0.47      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetE_type,type,
% 0.27/0.47      powersetE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetE,definition,
% 0.27/0.47      ( powersetE
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ B @ ( powerset @ A ) )
% 0.27/0.47           => ( ( in @ Xx @ B )
% 0.27/0.47             => ( in @ Xx @ A ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionI_type,type,
% 0.27/0.47      setunionI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionI,definition,
% 0.27/0.47      ( setunionI
% 0.27/0.47      = ( ! [A: $i,Xx: $i,B: $i] :
% 0.27/0.47            ( ( in @ Xx @ B )
% 0.27/0.47           => ( ( in @ B @ A )
% 0.27/0.47             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionE_type,type,
% 0.27/0.47      setunionE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionE,definition,
% 0.27/0.47      ( setunionE
% 0.27/0.47      = ( ! [A: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( setunion @ A ) )
% 0.27/0.47           => ! [Xphi: $o] :
% 0.27/0.47                ( ! [B: $i] :
% 0.27/0.47                    ( ( in @ Xx @ B )
% 0.27/0.47                   => ( ( in @ B @ A )
% 0.27/0.47                     => Xphi ) )
% 0.27/0.47               => Xphi ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subPowSU_type,type,
% 0.27/0.47      subPowSU: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subPowSU,definition,
% 0.27/0.47      ( subPowSU
% 0.27/0.47      = ( ! [A: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(exuE2_type,type,
% 0.27/0.47      exuE2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(exuE2,definition,
% 0.27/0.47      ( exuE2
% 0.27/0.47      = ( ! [Xphi: $i > $o] :
% 0.27/0.47            ( ( exu
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47           => ? [Xx: $i] :
% 0.27/0.47              ! [Xy: $i] :
% 0.27/0.47                ( ( Xphi @ Xy )
% 0.27/0.47              <=> ( Xy = Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(nonemptyImpWitness_type,type,
% 0.27/0.47      nonemptyImpWitness: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(nonemptyImpWitness,definition,
% 0.27/0.47      ( nonemptyImpWitness
% 0.27/0.47      = ( ! [A: $i] :
% 0.27/0.47            ( ( nonempty @ A )
% 0.27/0.47           => ? [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47                & $true ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(uniqinunit_type,type,
% 0.27/0.47      uniqinunit: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(uniqinunit,definition,
% 0.27/0.47      ( uniqinunit
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.27/0.47           => ( Xx = Xy ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(notinsingleton_type,type,
% 0.27/0.47      notinsingleton: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(notinsingleton,definition,
% 0.27/0.47      ( notinsingleton
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( Xx != Xy )
% 0.27/0.47           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(eqinunit_type,type,
% 0.27/0.47      eqinunit: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(eqinunit,definition,
% 0.27/0.47      ( eqinunit
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( Xx = Xy )
% 0.27/0.47           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(singletonsswitch_type,type,
% 0.27/0.47      singletonsswitch: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(singletonsswitch,definition,
% 0.27/0.47      ( singletonsswitch
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.27/0.47           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsetE_type,type,
% 0.27/0.47      upairsetE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsetE,definition,
% 0.27/0.47      ( upairsetE
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 0.27/0.47            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 0.27/0.47           => ( ( Xz = Xx )
% 0.27/0.47              | ( Xz = Xy ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsetIL_type,type,
% 0.27/0.47      upairsetIL: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsetIL,definition,
% 0.27/0.47      ( upairsetIL
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsetIR_type,type,
% 0.27/0.47      upairsetIR: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsetIR,definition,
% 0.27/0.47      ( upairsetIR
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyE1_type,type,
% 0.27/0.47      emptyE1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyE1,definition,
% 0.27/0.47      ( emptyE1
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ? [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47                & ( Xphi @ Xx ) )
% 0.27/0.47           => ( ( ( dsetconstr @ A
% 0.27/0.47                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47                = emptyset )
% 0.27/0.47             => $false ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(vacuousDall_type,type,
% 0.27/0.47      vacuousDall: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(vacuousDall,definition,
% 0.27/0.47      ( vacuousDall
% 0.27/0.47      = ( ! [Xphi: $i > $o,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ emptyset )
% 0.27/0.47           => ( Xphi @ Xx ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(quantDeMorgan1_type,type,
% 0.27/0.47      quantDeMorgan1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(quantDeMorgan1,definition,
% 0.27/0.47      ( quantDeMorgan1
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ~ ! [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                 => ( Xphi @ Xx ) )
% 0.27/0.47           => ? [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(quantDeMorgan2_type,type,
% 0.27/0.47      quantDeMorgan2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(quantDeMorgan2,definition,
% 0.27/0.47      ( quantDeMorgan2
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ! [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47               => ~ ( Xphi @ Xx ) )
% 0.27/0.47           => ~ ? [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                  & ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(quantDeMorgan3_type,type,
% 0.27/0.47      quantDeMorgan3: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(quantDeMorgan3,definition,
% 0.27/0.47      ( quantDeMorgan3
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ~ ? [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                  & ( Xphi @ Xx ) )
% 0.27/0.47           => ! [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(quantDeMorgan4_type,type,
% 0.27/0.47      quantDeMorgan4: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(quantDeMorgan4,definition,
% 0.27/0.47      ( quantDeMorgan4
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ? [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47                & ~ ( Xphi @ Xx ) )
% 0.27/0.47           => ~ ! [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                 => ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(prop2setI_type,type,
% 0.27/0.47      prop2setI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(prop2setI,definition,
% 0.27/0.47      ( prop2setI
% 0.27/0.47      = ( ! [Xphi: $o] :
% 0.27/0.47            ( Xphi
% 0.27/0.47           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(set2prop_type,type,
% 0.27/0.47      set2prop: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(prop2set2propI_type,type,
% 0.27/0.47      prop2set2propI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(prop2set2propI,definition,
% 0.27/0.47      ( prop2set2propI
% 0.27/0.47      = ( ! [Xphi: $o] :
% 0.27/0.47            ( Xphi
% 0.27/0.47           => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(notdexE_type,type,
% 0.27/0.47      notdexE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(notdexE,definition,
% 0.27/0.47      ( notdexE
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ~ ? [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                  & ( Xphi @ Xx ) )
% 0.27/0.47           => ! [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(notdallE_type,type,
% 0.27/0.47      notdallE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(notdallE,definition,
% 0.27/0.47      ( notdallE
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ~ ! [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                 => ( Xphi @ Xx ) )
% 0.27/0.47           => ? [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(exuI1_type,type,
% 0.27/0.47      exuI1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(exuI1,definition,
% 0.27/0.47      ( exuI1
% 0.27/0.47      = ( ! [Xphi: $i > $o] :
% 0.27/0.47            ( ? [Xx: $i] :
% 0.27/0.47                ( ( Xphi @ Xx )
% 0.27/0.47                & ! [Xy: $i] :
% 0.27/0.47                    ( ( Xphi @ Xy )
% 0.27/0.47                   => ( Xx = Xy ) ) )
% 0.27/0.47           => ( exu
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(exuI3_type,type,
% 0.27/0.47      exuI3: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(exuI3,definition,
% 0.27/0.47      ( exuI3
% 0.27/0.47      = ( ! [Xphi: $i > $o] :
% 0.27/0.47            ( ? [Xx: $i] : ( Xphi @ Xx )
% 0.27/0.47           => ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47                  ( ( Xphi @ Xx )
% 0.27/0.47                 => ( ( Xphi @ Xy )
% 0.27/0.47                   => ( Xx = Xy ) ) )
% 0.27/0.47             => ( exu
% 0.27/0.47                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(exuI2_type,type,
% 0.27/0.47      exuI2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(exuI2,definition,
% 0.27/0.47      ( exuI2
% 0.27/0.47      = ( ! [Xphi: $i > $o] :
% 0.27/0.47            ( ? [Xx: $i] :
% 0.27/0.47              ! [Xy: $i] :
% 0.27/0.47                ( ( Xphi @ Xy )
% 0.27/0.47              <=> ( Xy = Xx ) )
% 0.27/0.47           => ( exu
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(inCongP_type,type,
% 0.27/0.47      inCongP: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(inCongP,definition,
% 0.27/0.47      ( inCongP
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( A = B )
% 0.27/0.47           => ! [Xx: $i,Xy: $i] :
% 0.27/0.47                ( ( Xx = Xy )
% 0.27/0.47               => ( ( in @ Xx @ A )
% 0.27/0.47                 => ( in @ Xy @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(in__Cong_type,type,
% 0.27/0.47      in__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(in__Cong,definition,
% 0.27/0.47      ( in__Cong
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( A = B )
% 0.27/0.47           => ! [Xx: $i,Xy: $i] :
% 0.27/0.47                ( ( Xx = Xy )
% 0.27/0.47               => ( ( in @ Xx @ A )
% 0.27/0.47                <=> ( in @ Xy @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(exuE3u_type,type,
% 0.27/0.47      exuE3u: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(exuE3u,definition,
% 0.27/0.47      ( exuE3u
% 0.27/0.47      = ( ! [Xphi: $i > $o] :
% 0.27/0.47            ( ( exu
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47           => ! [Xx: $i,Xy: $i] :
% 0.27/0.47                ( ( Xphi @ Xx )
% 0.27/0.47               => ( ( Xphi @ Xy )
% 0.27/0.47                 => ( Xx = Xy ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(exu__Cong_type,type,
% 0.27/0.47      exu__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(exu__Cong,definition,
% 0.27/0.47      ( exu__Cong
% 0.27/0.47      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 0.27/0.47            ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47                ( ( Xx = Xy )
% 0.27/0.47               => ( ( Xphi @ Xx )
% 0.27/0.47                <=> ( Xpsi @ Xy ) ) )
% 0.27/0.47           => ( ( exu
% 0.27/0.47                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47            <=> ( exu
% 0.27/0.47                @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyset__Cong_type,type,
% 0.27/0.47      emptyset__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(emptyset__Cong,definition,
% 0.27/0.47      ( emptyset__Cong
% 0.27/0.47      = ( emptyset = emptyset ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoin__Cong_type,type,
% 0.27/0.47      setadjoin__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoin__Cong,definition,
% 0.27/0.47      ( setadjoin__Cong
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( Xx = Xy )
% 0.27/0.47           => ! [Xz: $i,Xu: $i] :
% 0.27/0.47                ( ( Xz = Xu )
% 0.27/0.47               => ( ( setadjoin @ Xx @ Xz )
% 0.27/0.47                  = ( setadjoin @ Xy @ Xu ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(powerset__Cong_type,type,
% 0.27/0.47      powerset__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(powerset__Cong,definition,
% 0.27/0.47      ( powerset__Cong
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( A = B )
% 0.27/0.47           => ( ( powerset @ A )
% 0.27/0.47              = ( powerset @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setunion__Cong_type,type,
% 0.27/0.47      setunion__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setunion__Cong,definition,
% 0.27/0.47      ( setunion__Cong
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( A = B )
% 0.27/0.47           => ( ( setunion @ A )
% 0.27/0.47              = ( setunion @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(omega__Cong_type,type,
% 0.27/0.47      omega__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(omega__Cong,definition,
% 0.27/0.47      ( omega__Cong
% 0.27/0.47      = ( omega = omega ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(exuEu_type,type,
% 0.27/0.47      exuEu: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(exuEu,definition,
% 0.27/0.47      ( exuEu
% 0.27/0.47      = ( ! [Xphi: $i > $o] :
% 0.27/0.47            ( ( exu
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47           => ! [Xx: $i,Xy: $i] :
% 0.27/0.47                ( ( Xphi @ Xx )
% 0.27/0.47               => ( ( Xphi @ Xy )
% 0.27/0.47                 => ( Xx = Xy ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(descr__Cong_type,type,
% 0.27/0.47      descr__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(descr__Cong,definition,
% 0.27/0.47      ( descr__Cong
% 0.27/0.47      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 0.27/0.47            ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47                ( ( Xx = Xy )
% 0.27/0.47               => ( ( Xphi @ Xx )
% 0.27/0.47                <=> ( Xpsi @ Xy ) ) )
% 0.27/0.47           => ( ( exu
% 0.27/0.47                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47             => ( ( exu
% 0.27/0.47                  @ ^ [Xx: $i] : ( Xpsi @ Xx ) )
% 0.27/0.47               => ( ( descr
% 0.27/0.47                    @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47                  = ( descr
% 0.27/0.47                    @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(dsetconstr__Cong_type,type,
% 0.27/0.47      dsetconstr__Cong: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(dsetconstr__Cong,definition,
% 0.27/0.47      ( dsetconstr__Cong
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( A = B )
% 0.27/0.47           => ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 0.27/0.47                ( ! [Xx: $i] :
% 0.27/0.47                    ( ( in @ Xx @ A )
% 0.27/0.47                   => ! [Xy: $i] :
% 0.27/0.47                        ( ( in @ Xy @ B )
% 0.27/0.47                       => ( ( Xx = Xy )
% 0.27/0.47                         => ( ( Xphi @ Xx )
% 0.27/0.47                          <=> ( Xpsi @ Xy ) ) ) ) )
% 0.27/0.47               => ( ( dsetconstr @ A
% 0.27/0.47                    @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47                  = ( dsetconstr @ B
% 0.27/0.47                    @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subset_type,type,
% 0.27/0.47      subset: $i > $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(disjoint_type,type,
% 0.27/0.47      disjoint: $i > $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setsmeet_type,type,
% 0.27/0.47      setsmeet: $i > $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetI1_type,type,
% 0.27/0.47      subsetI1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetI1,definition,
% 0.27/0.47      ( subsetI1
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ! [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47               => ( in @ Xx @ B ) )
% 0.27/0.47           => ( subset @ A @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(eqimpsubset2_type,type,
% 0.27/0.47      eqimpsubset2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(eqimpsubset2,definition,
% 0.27/0.47      ( eqimpsubset2
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( A = B )
% 0.27/0.47           => ( subset @ B @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(eqimpsubset1_type,type,
% 0.27/0.47      eqimpsubset1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(eqimpsubset1,definition,
% 0.27/0.47      ( eqimpsubset1
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( A = B )
% 0.27/0.47           => ( subset @ A @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetI2_type,type,
% 0.27/0.47      subsetI2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetI2,definition,
% 0.27/0.47      ( subsetI2
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ! [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47               => ( in @ Xx @ B ) )
% 0.27/0.47           => ( subset @ A @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(emptysetsubset_type,type,
% 0.27/0.47      emptysetsubset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(emptysetsubset,definition,
% 0.27/0.47      ( emptysetsubset
% 0.27/0.47      = ( ! [A: $i] : ( subset @ emptyset @ A ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetE_type,type,
% 0.27/0.47      subsetE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetE,definition,
% 0.27/0.47      ( subsetE
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( ( in @ Xx @ A )
% 0.27/0.47             => ( in @ Xx @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetE2_type,type,
% 0.27/0.47      subsetE2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetE2,definition,
% 0.27/0.47      ( subsetE2
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( ~ ( in @ Xx @ B )
% 0.27/0.47             => ~ ( in @ Xx @ A ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(notsubsetI_type,type,
% 0.27/0.47      notsubsetI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(notsubsetI,definition,
% 0.27/0.47      ( notsubsetI
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ~ ( in @ Xx @ B )
% 0.27/0.47             => ~ ( subset @ A @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(notequalI1_type,type,
% 0.27/0.47      notequalI1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(notequalI1,definition,
% 0.27/0.47      ( notequalI1
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ~ ( subset @ A @ B )
% 0.27/0.47           => ( A != B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(notequalI2_type,type,
% 0.27/0.47      notequalI2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(notequalI2,definition,
% 0.27/0.47      ( notequalI2
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ~ ( in @ Xx @ B )
% 0.27/0.47             => ( A != B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetRefl_type,type,
% 0.27/0.47      subsetRefl: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetRefl,definition,
% 0.27/0.47      ( subsetRefl
% 0.27/0.47      = ( ! [A: $i] : ( subset @ A @ A ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetTrans_type,type,
% 0.27/0.47      subsetTrans: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetTrans,definition,
% 0.27/0.47      ( subsetTrans
% 0.27/0.47      = ( ! [A: $i,B: $i,C: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( ( subset @ B @ C )
% 0.27/0.47             => ( subset @ A @ C ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinSub_type,type,
% 0.27/0.47      setadjoinSub: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinSub,definition,
% 0.27/0.47      ( setadjoinSub
% 0.27/0.47      = ( ! [Xx: $i,A: $i] : ( subset @ A @ ( setadjoin @ Xx @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinSub2_type,type,
% 0.27/0.47      setadjoinSub2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setadjoinSub2,definition,
% 0.27/0.47      ( setadjoinSub2
% 0.27/0.47      = ( ! [A: $i,Xx: $i,B: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( subset @ A @ ( setadjoin @ Xx @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subset2powerset_type,type,
% 0.27/0.47      subset2powerset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subset2powerset,definition,
% 0.27/0.47      ( subset2powerset
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( in @ A @ ( powerset @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setextsub_type,type,
% 0.27/0.47      setextsub: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setextsub,definition,
% 0.27/0.47      ( setextsub
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( ( subset @ B @ A )
% 0.27/0.47             => ( A = B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetemptysetimpeq_type,type,
% 0.27/0.47      subsetemptysetimpeq: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(subsetemptysetimpeq,definition,
% 0.27/0.47      ( subsetemptysetimpeq
% 0.27/0.47      = ( ! [A: $i] :
% 0.27/0.47            ( ( subset @ A @ emptyset )
% 0.27/0.47           => ( A = emptyset ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetI1_type,type,
% 0.27/0.47      powersetI1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetI1,definition,
% 0.27/0.47      ( powersetI1
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( subset @ B @ A )
% 0.27/0.47           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetE1_type,type,
% 0.27/0.47      powersetE1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetE1,definition,
% 0.27/0.47      ( powersetE1
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( in @ B @ ( powerset @ A ) )
% 0.27/0.47           => ( subset @ B @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(inPowerset_type,type,
% 0.27/0.47      inPowerset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(inPowerset,definition,
% 0.27/0.47      ( inPowerset
% 0.27/0.47      = ( ! [A: $i] : ( in @ A @ ( powerset @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetsubset_type,type,
% 0.27/0.47      powersetsubset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(powersetsubset,definition,
% 0.27/0.47      ( powersetsubset
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( subset @ ( powerset @ A ) @ ( powerset @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(sepInPowerset_type,type,
% 0.27/0.47      sepInPowerset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(sepInPowerset,definition,
% 0.27/0.47      ( sepInPowerset
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( in
% 0.27/0.47            @ ( dsetconstr @ A
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47            @ ( powerset @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(sepSubset_type,type,
% 0.27/0.47      sepSubset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(sepSubset,definition,
% 0.27/0.47      ( sepSubset
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( subset
% 0.27/0.47            @ ( dsetconstr @ A
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47            @ A ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binunion_type,type,
% 0.27/0.47      binunion: $i > $i > $i ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionIL_type,type,
% 0.27/0.47      binunionIL: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionIL,definition,
% 0.27/0.47      ( binunionIL
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( in @ Xx @ ( binunion @ A @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(upairset2IR_type,type,
% 0.27/0.47      upairset2IR: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairset2IR,definition,
% 0.27/0.47      ( upairset2IR
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionIR_type,type,
% 0.27/0.47      binunionIR: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionIR,definition,
% 0.27/0.47      ( binunionIR
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ B )
% 0.27/0.47           => ( in @ Xx @ ( binunion @ A @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionEcases_type,type,
% 0.27/0.47      binunionEcases: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionEcases,definition,
% 0.27/0.47      ( binunionEcases
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i,Xphi: $o] :
% 0.27/0.47            ( ( in @ Xx @ ( binunion @ A @ B ) )
% 0.27/0.47           => ( ( ( in @ Xx @ A )
% 0.27/0.47               => Xphi )
% 0.27/0.47             => ( ( ( in @ Xx @ B )
% 0.27/0.47                 => Xphi )
% 0.27/0.47               => Xphi ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionE_type,type,
% 0.27/0.47      binunionE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionE,definition,
% 0.27/0.47      ( binunionE
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( binunion @ A @ B ) )
% 0.27/0.47           => ( ( in @ Xx @ A )
% 0.27/0.47              | ( in @ Xx @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionLsub_type,type,
% 0.27/0.47      binunionLsub: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionLsub,definition,
% 0.27/0.47      ( binunionLsub
% 0.27/0.47      = ( ! [A: $i,B: $i] : ( subset @ A @ ( binunion @ A @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionRsub_type,type,
% 0.27/0.47      binunionRsub: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binunionRsub,definition,
% 0.27/0.47      ( binunionRsub
% 0.27/0.47      = ( ! [A: $i,B: $i] : ( subset @ B @ ( binunion @ A @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersect_type,type,
% 0.27/0.47      binintersect: $i > $i > $i ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectI_type,type,
% 0.27/0.47      binintersectI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectI,definition,
% 0.27/0.47      ( binintersectI
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ( in @ Xx @ B )
% 0.27/0.47             => ( in @ Xx @ ( binintersect @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset5_type,type,
% 0.27/0.47      binintersectSubset5: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset5,definition,
% 0.27/0.47      ( binintersectSubset5
% 0.27/0.47      = ( ! [A: $i,B: $i,C: $i] :
% 0.27/0.47            ( ( subset @ C @ A )
% 0.27/0.47           => ( ( subset @ C @ B )
% 0.27/0.47             => ( subset @ C @ ( binintersect @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectEL_type,type,
% 0.27/0.47      binintersectEL: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectEL,definition,
% 0.27/0.47      ( binintersectEL
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( binintersect @ A @ B ) )
% 0.27/0.47           => ( in @ Xx @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectLsub_type,type,
% 0.27/0.47      binintersectLsub: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectLsub,definition,
% 0.27/0.47      ( binintersectLsub
% 0.27/0.47      = ( ! [A: $i,B: $i] : ( subset @ ( binintersect @ A @ B ) @ A ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset2_type,type,
% 0.27/0.47      binintersectSubset2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset2,definition,
% 0.27/0.47      ( binintersectSubset2
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( ( binintersect @ A @ B )
% 0.27/0.47              = A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset3_type,type,
% 0.27/0.47      binintersectSubset3: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset3,definition,
% 0.27/0.47      ( binintersectSubset3
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( ( binintersect @ A @ B )
% 0.27/0.47              = B )
% 0.27/0.47           => ( subset @ B @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectER_type,type,
% 0.27/0.47      binintersectER: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectER,definition,
% 0.27/0.47      ( binintersectER
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( binintersect @ A @ B ) )
% 0.27/0.47           => ( in @ Xx @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(disjointsetsI1_type,type,
% 0.27/0.47      disjointsetsI1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(disjointsetsI1,definition,
% 0.27/0.47      ( disjointsetsI1
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ~ ? [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                  & ( in @ Xx @ B ) )
% 0.27/0.47           => ( ( binintersect @ A @ B )
% 0.27/0.47              = emptyset ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectRsub_type,type,
% 0.27/0.47      binintersectRsub: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectRsub,definition,
% 0.27/0.47      ( binintersectRsub
% 0.27/0.47      = ( ! [A: $i,B: $i] : ( subset @ ( binintersect @ A @ B ) @ B ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset4_type,type,
% 0.27/0.47      binintersectSubset4: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset4,definition,
% 0.27/0.47      ( binintersectSubset4
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( subset @ B @ A )
% 0.27/0.47           => ( ( binintersect @ A @ B )
% 0.27/0.47              = B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset1_type,type,
% 0.27/0.47      binintersectSubset1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(binintersectSubset1,definition,
% 0.27/0.47      ( binintersectSubset1
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( ( binintersect @ A @ B )
% 0.27/0.47              = A )
% 0.27/0.47           => ( subset @ A @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(bs114d_type,type,
% 0.27/0.47      bs114d: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(bs114d,definition,
% 0.27/0.47      ( bs114d
% 0.27/0.47      = ( ! [A: $i,B: $i,C: $i] :
% 0.27/0.47            ( ( binintersect @ A @ ( binunion @ B @ C ) )
% 0.27/0.47            = ( binunion @ ( binintersect @ A @ B ) @ ( binintersect @ A @ C ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(regular_type,type,
% 0.27/0.47      regular: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminus_type,type,
% 0.27/0.47      setminus: $i > $i > $i ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusI_type,type,
% 0.27/0.47      setminusI: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusI,definition,
% 0.27/0.47      ( setminusI
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ~ ( in @ Xx @ B )
% 0.27/0.47             => ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusEL_type,type,
% 0.27/0.47      setminusEL: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusEL,definition,
% 0.27/0.47      ( setminusEL
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( setminus @ A @ B ) )
% 0.27/0.47           => ( in @ Xx @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusER_type,type,
% 0.27/0.47      setminusER: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusER,definition,
% 0.27/0.47      ( setminusER
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( setminus @ A @ B ) )
% 0.27/0.47           => ~ ( in @ Xx @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusSubset2_type,type,
% 0.27/0.47      setminusSubset2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusSubset2,definition,
% 0.27/0.47      ( setminusSubset2
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( subset @ A @ B )
% 0.27/0.47           => ( ( setminus @ A @ B )
% 0.27/0.47              = emptyset ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusERneg_type,type,
% 0.27/0.47      setminusERneg: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusERneg,definition,
% 0.27/0.47      ( setminusERneg
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ~ ( in @ Xx @ ( setminus @ A @ B ) )
% 0.27/0.47           => ( ( in @ Xx @ A )
% 0.27/0.47             => ( in @ Xx @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusELneg_type,type,
% 0.27/0.47      setminusELneg: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusELneg,definition,
% 0.27/0.47      ( setminusELneg
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ~ ( in @ Xx @ ( setminus @ A @ B ) )
% 0.27/0.47           => ( ~ ( in @ Xx @ B )
% 0.27/0.47             => ~ ( in @ Xx @ A ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusILneg_type,type,
% 0.27/0.47      setminusILneg: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusILneg,definition,
% 0.27/0.47      ( setminusILneg
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ~ ( in @ Xx @ A )
% 0.27/0.47           => ~ ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusIRneg_type,type,
% 0.27/0.47      setminusIRneg: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusIRneg,definition,
% 0.27/0.47      ( setminusIRneg
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ B )
% 0.27/0.47           => ~ ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusLsub_type,type,
% 0.27/0.47      setminusLsub: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusLsub,definition,
% 0.27/0.47      ( setminusLsub
% 0.27/0.47      = ( ! [A: $i,B: $i] : ( subset @ ( setminus @ A @ B ) @ A ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusSubset1_type,type,
% 0.27/0.47      setminusSubset1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setminusSubset1,definition,
% 0.27/0.47      ( setminusSubset1
% 0.27/0.47      = ( ! [A: $i,B: $i] :
% 0.27/0.47            ( ( ( setminus @ A @ B )
% 0.27/0.47              = emptyset )
% 0.27/0.47           => ( subset @ A @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiff_type,type,
% 0.27/0.47      symdiff: $i > $i > $i ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffE_type,type,
% 0.27/0.47      symdiffE: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffE,definition,
% 0.27/0.47      ( symdiffE
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( symdiff @ A @ B ) )
% 0.27/0.47           => ! [Xphi: $o] :
% 0.27/0.47                ( ( ( in @ Xx @ A )
% 0.27/0.47                 => ( ~ ( in @ Xx @ B )
% 0.27/0.47                   => Xphi ) )
% 0.27/0.47               => ( ( ~ ( in @ Xx @ A )
% 0.27/0.47                   => ( ( in @ Xx @ B )
% 0.27/0.47                     => Xphi ) )
% 0.27/0.47                 => Xphi ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffI1_type,type,
% 0.27/0.47      symdiffI1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffI1,definition,
% 0.27/0.47      ( symdiffI1
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ~ ( in @ Xx @ B )
% 0.27/0.47             => ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffI2_type,type,
% 0.27/0.47      symdiffI2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffI2,definition,
% 0.27/0.47      ( symdiffI2
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ~ ( in @ Xx @ A )
% 0.27/0.47           => ( ( in @ Xx @ B )
% 0.27/0.47             => ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffIneg1_type,type,
% 0.27/0.47      symdiffIneg1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffIneg1,definition,
% 0.27/0.47      ( symdiffIneg1
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ( in @ Xx @ B )
% 0.27/0.47             => ~ ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffIneg2_type,type,
% 0.27/0.47      symdiffIneg2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(symdiffIneg2,definition,
% 0.27/0.47      ( symdiffIneg2
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ~ ( in @ Xx @ A )
% 0.27/0.47           => ( ~ ( in @ Xx @ B )
% 0.27/0.47             => ~ ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(iskpair_type,type,
% 0.27/0.47      iskpair: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(secondinupair_type,type,
% 0.27/0.47      secondinupair: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(secondinupair,definition,
% 0.27/0.47      ( secondinupair
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairIL_type,type,
% 0.27/0.47      setukpairIL: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairIL,definition,
% 0.27/0.47      ( setukpairIL
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setunion @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairIR_type,type,
% 0.27/0.47      setukpairIR: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairIR,definition,
% 0.27/0.47      ( setukpairIR
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setunion @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(kpairiskpair_type,type,
% 0.27/0.47      kpairiskpair: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(kpairiskpair,definition,
% 0.27/0.47      ( kpairiskpair
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( iskpair @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(kpair_type,type,
% 0.27/0.47      kpair: $i > $i > $i ).
% 0.27/0.47  
% 0.27/0.47  thf(kpairp_type,type,
% 0.27/0.47      kpairp: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(kpairp,definition,
% 0.27/0.47      ( kpairp
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] : ( iskpair @ ( kpair @ Xx @ Xy ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprod_type,type,
% 0.27/0.47      cartprod: $i > $i > $i ).
% 0.27/0.47  
% 0.27/0.47  thf(singletonsubset_type,type,
% 0.27/0.47      singletonsubset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(singletonsubset,definition,
% 0.27/0.47      ( singletonsubset
% 0.27/0.47      = ( ! [A: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( subset @ ( setadjoin @ Xx @ emptyset ) @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(singletoninpowerset_type,type,
% 0.27/0.47      singletoninpowerset: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(singletoninpowerset,definition,
% 0.27/0.47      ( singletoninpowerset
% 0.27/0.47      = ( ! [A: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( in @ ( setadjoin @ Xx @ emptyset ) @ ( powerset @ A ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(singletoninpowunion_type,type,
% 0.27/0.47      singletoninpowunion: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(singletoninpowunion,definition,
% 0.27/0.47      ( singletoninpowunion
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( in @ ( setadjoin @ Xx @ emptyset ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(upairset2E_type,type,
% 0.27/0.47      upairset2E: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairset2E,definition,
% 0.27/0.47      ( upairset2E
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 0.27/0.47            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 0.27/0.47           => ( ( Xz = Xx )
% 0.27/0.47              | ( Xz = Xy ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsubunion_type,type,
% 0.27/0.47      upairsubunion: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsubunion,definition,
% 0.27/0.47      ( upairsubunion
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ! [Xy: $i] :
% 0.27/0.47                ( ( in @ Xy @ B )
% 0.27/0.47               => ( subset @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ ( binunion @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(upairinpowunion_type,type,
% 0.27/0.47      upairinpowunion: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairinpowunion,definition,
% 0.27/0.47      ( upairinpowunion
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ! [Xy: $i] :
% 0.27/0.47                ( ( in @ Xy @ B )
% 0.27/0.47               => ( in @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ubforcartprodlem1_type,type,
% 0.27/0.47      ubforcartprodlem1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ubforcartprodlem1,definition,
% 0.27/0.47      ( ubforcartprodlem1
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ! [Xy: $i] :
% 0.27/0.47                ( ( in @ Xy @ B )
% 0.27/0.47               => ( subset @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ubforcartprodlem2_type,type,
% 0.27/0.47      ubforcartprodlem2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ubforcartprodlem2,definition,
% 0.27/0.47      ( ubforcartprodlem2
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ! [Xy: $i] :
% 0.27/0.47                ( ( in @ Xy @ B )
% 0.27/0.47               => ( in @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ubforcartprodlem3_type,type,
% 0.27/0.47      ubforcartprodlem3: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ubforcartprodlem3,definition,
% 0.27/0.47      ( ubforcartprodlem3
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ! [Xy: $i] :
% 0.27/0.47                ( ( in @ Xy @ B )
% 0.27/0.47               => ( in @ ( kpair @ Xx @ Xy ) @ ( powerset @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodpairin_type,type,
% 0.27/0.47      cartprodpairin: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodpairin,definition,
% 0.27/0.47      ( cartprodpairin
% 0.27/0.47      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ! [Xy: $i] :
% 0.27/0.47                ( ( in @ Xy @ B )
% 0.27/0.47               => ( in @ ( kpair @ Xx @ Xy ) @ ( cartprod @ A @ B ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodmempair1_type,type,
% 0.27/0.47      cartprodmempair1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodmempair1,definition,
% 0.27/0.47      ( cartprodmempair1
% 0.27/0.47      = ( ! [A: $i,B: $i,Xu: $i] :
% 0.27/0.47            ( ( in @ Xu @ ( cartprod @ A @ B ) )
% 0.27/0.47           => ? [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47                & ? [Xy: $i] :
% 0.27/0.47                    ( ( in @ Xy @ B )
% 0.27/0.47                    & ( Xu
% 0.27/0.47                      = ( kpair @ Xx @ Xy ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodmempair_type,type,
% 0.27/0.47      cartprodmempair: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodmempair,definition,
% 0.27/0.47      ( cartprodmempair
% 0.27/0.47      = ( ! [A: $i,B: $i,Xu: $i] :
% 0.27/0.47            ( ( in @ Xu @ ( cartprod @ A @ B ) )
% 0.27/0.47           => ( iskpair @ Xu ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionE2_type,type,
% 0.27/0.47      setunionE2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionE2,definition,
% 0.27/0.47      ( setunionE2
% 0.27/0.47      = ( ! [A: $i,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ ( setunion @ A ) )
% 0.27/0.47           => ? [X: $i] :
% 0.27/0.47                ( ( in @ X @ A )
% 0.27/0.47                & ( in @ Xx @ X ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionsingleton1_type,type,
% 0.27/0.47      setunionsingleton1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionsingleton1,definition,
% 0.27/0.47      ( setunionsingleton1
% 0.27/0.47      = ( ! [A: $i] : ( subset @ ( setunion @ ( setadjoin @ A @ emptyset ) ) @ A ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionsingleton2_type,type,
% 0.27/0.47      setunionsingleton2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionsingleton2,definition,
% 0.27/0.47      ( setunionsingleton2
% 0.27/0.47      = ( ! [A: $i] : ( subset @ A @ ( setunion @ ( setadjoin @ A @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionsingleton_type,type,
% 0.27/0.47      setunionsingleton: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setunionsingleton,definition,
% 0.27/0.47      ( setunionsingleton
% 0.27/0.47      = ( ! [Xx: $i] :
% 0.27/0.47            ( ( setunion @ ( setadjoin @ Xx @ emptyset ) )
% 0.27/0.47            = Xx ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(singleton_type,type,
% 0.27/0.47      singleton: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(singleton,definition,
% 0.27/0.47      ( singleton
% 0.27/0.47      = ( ^ [A: $i] :
% 0.27/0.47          ? [Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47            & ( A
% 0.27/0.47              = ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(singletonprop_type,type,
% 0.27/0.47      singletonprop: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(singletonprop,definition,
% 0.27/0.47      ( singletonprop
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ! [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47               => ! [Xy: $i] :
% 0.27/0.47                    ( ( in @ Xy @ A )
% 0.27/0.47                   => ( ( Xphi @ Xx )
% 0.27/0.47                     => ( ( Xphi @ Xy )
% 0.27/0.47                       => ( Xx = Xy ) ) ) ) )
% 0.27/0.47           => ( ? [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                  & ( Xphi @ Xx ) )
% 0.27/0.47             => ( singleton
% 0.27/0.47                @ ( dsetconstr @ A
% 0.27/0.47                  @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ex1_type,type,
% 0.27/0.47      ex1: $i > ( $i > $o ) > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ex1,definition,
% 0.27/0.47      ( ex1
% 0.27/0.47      = ( ^ [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( singleton
% 0.27/0.47            @ ( dsetconstr @ A
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ex1E1_type,type,
% 0.27/0.47      ex1E1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ex1E1,definition,
% 0.27/0.47      ( ex1E1
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ( ex1 @ A
% 0.27/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.27/0.47           => ? [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47                & ( Xphi @ Xx ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ex1I_type,type,
% 0.27/0.47      ex1I: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ex1I,definition,
% 0.27/0.47      ( ex1I
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.27/0.47            ( ( in @ Xx @ A )
% 0.27/0.47           => ( ( Xphi @ Xx )
% 0.27/0.47             => ( ! [Xy: $i] :
% 0.27/0.47                    ( ( in @ Xy @ A )
% 0.27/0.47                   => ( ( Xphi @ Xy )
% 0.27/0.47                     => ( Xy = Xx ) ) )
% 0.27/0.47               => ( ex1 @ A
% 0.27/0.47                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ex1I2_type,type,
% 0.27/0.47      ex1I2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ex1I2,definition,
% 0.27/0.47      ( ex1I2
% 0.27/0.47      = ( ! [A: $i,Xphi: $i > $o] :
% 0.27/0.47            ( ! [Xx: $i] :
% 0.27/0.47                ( ( in @ Xx @ A )
% 0.27/0.47               => ! [Xy: $i] :
% 0.27/0.47                    ( ( in @ Xy @ A )
% 0.27/0.47                   => ( ( Xphi @ Xx )
% 0.27/0.47                     => ( ( Xphi @ Xy )
% 0.27/0.47                       => ( Xx = Xy ) ) ) ) )
% 0.27/0.47           => ( ? [Xx: $i] :
% 0.27/0.47                  ( ( in @ Xx @ A )
% 0.27/0.47                  & ( Xphi @ Xx ) )
% 0.27/0.47             => ( ex1 @ A
% 0.27/0.47                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(singletonsuniq_type,type,
% 0.27/0.47      singletonsuniq: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(singletonsuniq,definition,
% 0.27/0.47      ( singletonsuniq
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( ( setadjoin @ Xx @ emptyset )
% 0.27/0.47              = ( setadjoin @ Xy @ emptyset ) )
% 0.27/0.47           => ( Xx = Xy ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(atmost1p_type,type,
% 0.27/0.47      atmost1p: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(atleast2p_type,type,
% 0.27/0.47      atleast2p: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(atmost2p_type,type,
% 0.27/0.47      atmost2p: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairsetp_type,type,
% 0.27/0.47      upairsetp: $i > $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjL1_type,type,
% 0.27/0.47      setukpairinjL1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjL1,definition,
% 0.27/0.47      ( setukpairinjL1
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 0.27/0.47            ( ( in @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) )
% 0.27/0.47           => ( Xx = Xz ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(kfstsingleton_type,type,
% 0.27/0.47      kfstsingleton: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(kfstsingleton,definition,
% 0.27/0.47      ( kfstsingleton
% 0.27/0.47      = ( ! [Xu: $i] :
% 0.27/0.47            ( ( iskpair @ Xu )
% 0.27/0.47           => ( singleton
% 0.27/0.47              @ ( dsetconstr @ ( setunion @ Xu )
% 0.27/0.47                @ ^ [Xx: $i] : ( in @ ( setadjoin @ Xx @ emptyset ) @ Xu ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(theprop_type,type,
% 0.27/0.47      theprop: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(theprop,definition,
% 0.27/0.47      ( theprop
% 0.27/0.47      = ( ! [X: $i] :
% 0.27/0.47            ( ( singleton @ X )
% 0.27/0.47           => ( in @ ( setunion @ X ) @ X ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(kfst_type,type,
% 0.27/0.47      kfst: $i > $i ).
% 0.27/0.47  
% 0.27/0.47  thf(kfstpairEq_type,type,
% 0.27/0.47      kfstpairEq: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(kfstpairEq,definition,
% 0.27/0.47      ( kfstpairEq
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( kfst @ ( kpair @ Xx @ Xy ) )
% 0.27/0.47            = Xx ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodfstin_type,type,
% 0.27/0.47      cartprodfstin: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodfstin,definition,
% 0.27/0.47      ( cartprodfstin
% 0.27/0.47      = ( ! [A: $i,B: $i,Xu: $i] :
% 0.27/0.47            ( ( in @ Xu @ ( cartprod @ A @ B ) )
% 0.27/0.47           => ( in @ ( kfst @ Xu ) @ A ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjL2_type,type,
% 0.27/0.47      setukpairinjL2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjL2,definition,
% 0.27/0.47      ( setukpairinjL2
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 0.27/0.47            ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
% 0.27/0.47              = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
% 0.27/0.47           => ( Xx = Xz ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjL_type,type,
% 0.27/0.47      setukpairinjL: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjL,definition,
% 0.27/0.47      ( setukpairinjL
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 0.27/0.47            ( ( ( kpair @ Xx @ Xy )
% 0.27/0.47              = ( kpair @ Xz @ Xu ) )
% 0.27/0.47           => ( Xx = Xz ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR11_type,type,
% 0.27/0.47      setukpairinjR11: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR11,definition,
% 0.27/0.47      ( setukpairinjR11
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( Xx = Xy )
% 0.27/0.47           => ( ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.27/0.47              = ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR12_type,type,
% 0.27/0.47      setukpairinjR12: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR12,definition,
% 0.27/0.47      ( setukpairinjR12
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( Xx = Xy )
% 0.27/0.47           => ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
% 0.27/0.47              = ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ emptyset ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR1_type,type,
% 0.27/0.47      setukpairinjR1: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR1,definition,
% 0.27/0.47      ( setukpairinjR1
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 0.27/0.47            ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
% 0.27/0.47              = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
% 0.27/0.47           => ( ( Xz = Xu )
% 0.27/0.47             => ( Xy = Xu ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(upairequniteq_type,type,
% 0.27/0.47      upairequniteq: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(upairequniteq,definition,
% 0.27/0.47      ( upairequniteq
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 0.27/0.47            ( ( ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.27/0.47              = ( setadjoin @ Xz @ emptyset ) )
% 0.27/0.47           => ( Xx = Xy ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR2_type,type,
% 0.27/0.47      setukpairinjR2: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR2,definition,
% 0.27/0.47      ( setukpairinjR2
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 0.27/0.47            ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
% 0.27/0.47              = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
% 0.27/0.47           => ( Xy = Xu ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR_type,type,
% 0.27/0.47      setukpairinjR: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(setukpairinjR,definition,
% 0.27/0.47      ( setukpairinjR
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 0.27/0.47            ( ( ( kpair @ Xx @ Xy )
% 0.27/0.47              = ( kpair @ Xz @ Xu ) )
% 0.27/0.47           => ( Xy = Xu ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ksndsingleton_type,type,
% 0.27/0.47      ksndsingleton: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ksndsingleton,definition,
% 0.27/0.47      ( ksndsingleton
% 0.27/0.47      = ( ! [Xu: $i] :
% 0.27/0.47            ( ( iskpair @ Xu )
% 0.27/0.47           => ( singleton
% 0.27/0.47              @ ( dsetconstr @ ( setunion @ Xu )
% 0.27/0.47                @ ^ [Xx: $i] :
% 0.27/0.47                    ( Xu
% 0.27/0.47                    = ( kpair @ ( kfst @ Xu ) @ Xx ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(ksnd_type,type,
% 0.27/0.47      ksnd: $i > $i ).
% 0.27/0.47  
% 0.27/0.47  thf(ksndpairEq_type,type,
% 0.27/0.47      ksndpairEq: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(ksndpairEq,definition,
% 0.27/0.47      ( ksndpairEq
% 0.27/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.27/0.47            ( ( ksnd @ ( kpair @ Xx @ Xy ) )
% 0.27/0.47            = Xy ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(kpairsurjEq_type,type,
% 0.27/0.47      kpairsurjEq: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(kpairsurjEq,definition,
% 0.27/0.47      ( kpairsurjEq
% 0.27/0.47      = ( ! [Xu: $i] :
% 0.27/0.47            ( ( iskpair @ Xu )
% 0.27/0.47           => ( ( kpair @ ( kfst @ Xu ) @ ( ksnd @ Xu ) )
% 0.27/0.47              = Xu ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodsndin_type,type,
% 0.27/0.47      cartprodsndin: $o ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodsndin,definition,
% 0.27/0.47      ( cartprodsndin
% 0.27/0.47      = ( ! [A: $i,B: $i,Xu: $i] :
% 0.27/0.47            ( ( in @ Xu @ ( cartprod @ A @ B ) )
% 0.27/0.47           => ( in @ ( ksnd @ Xu ) @ B ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  thf(cartprodpairmemEL,conjecture,
% 0.27/0.47      ( setextAx
% 0.27/0.47     => ( emptysetAx
% 0.27/0.47       => ( setadjoinAx
% 0.27/0.47         => ( powersetAx
% 0.27/0.47           => ( setunionAx
% 0.27/0.47             => ( omega0Ax
% 0.27/0.47               => ( omegaSAx
% 0.27/0.47                 => ( omegaIndAx
% 0.27/0.47                   => ( replAx
% 0.27/0.47                     => ( foundationAx
% 0.27/0.47                       => ( wellorderingAx
% 0.27/0.47                         => ( descrp
% 0.27/0.47                           => ( dsetconstrI
% 0.27/0.47                             => ( dsetconstrEL
% 0.27/0.47                               => ( dsetconstrER
% 0.27/0.47                                 => ( exuE1
% 0.27/0.47                                   => ( prop2setE
% 0.27/0.47                                     => ( emptysetE
% 0.27/0.47                                       => ( emptysetimpfalse
% 0.27/0.47                                         => ( notinemptyset
% 0.27/0.47                                           => ( exuE3e
% 0.27/0.47                                             => ( setext
% 0.27/0.47                                               => ( emptyI
% 0.27/0.47                                                 => ( noeltsimpempty
% 0.27/0.47                                                   => ( setbeta
% 0.27/0.47                                                     => ( nonemptyE1
% 0.27/0.47                                                       => ( nonemptyI
% 0.27/0.47                                                         => ( nonemptyI1
% 0.27/0.47                                                           => ( setadjoinIL
% 0.27/0.47                                                             => ( emptyinunitempty
% 0.27/0.47                                                               => ( setadjoinIR
% 0.27/0.47                                                                 => ( setadjoinE
% 0.27/0.47                                                                   => ( setadjoinOr
% 0.27/0.47                                                                     => ( setoftrueEq
% 0.27/0.47                                                                       => ( powersetI
% 0.27/0.47                                                                         => ( emptyinPowerset
% 0.27/0.47                                                                           => ( emptyInPowerset
% 0.27/0.47                                                                             => ( powersetE
% 0.27/0.47                                                                               => ( setunionI
% 0.27/0.47                                                                                 => ( setunionE
% 0.27/0.47                                                                                   => ( subPowSU
% 0.27/0.47                                                                                     => ( exuE2
% 0.27/0.47                                                                                       => ( nonemptyImpWitness
% 0.27/0.47                                                                                         => ( uniqinunit
% 0.27/0.47                                                                                           => ( notinsingleton
% 0.27/0.47                                                                                             => ( eqinunit
% 0.27/0.47                                                                                               => ( singletonsswitch
% 0.27/0.47                                                                                                 => ( upairsetE
% 0.27/0.47                                                                                                   => ( upairsetIL
% 0.27/0.47                                                                                                     => ( upairsetIR
% 0.27/0.47                                                                                                       => ( emptyE1
% 0.27/0.47                                                                                                         => ( vacuousDall
% 0.27/0.47                                                                                                           => ( quantDeMorgan1
% 0.27/0.47                                                                                                             => ( quantDeMorgan2
% 0.27/0.47                                                                                                               => ( quantDeMorgan3
% 0.27/0.47                                                                                                                 => ( quantDeMorgan4
% 0.27/0.47                                                                                                                   => ( prop2setI
% 0.27/0.47                                                                                                                     => ( prop2set2propI
% 0.27/0.47                                                                                                                       => ( notdexE
% 0.27/0.47                                                                                                                         => ( notdallE
% 0.27/0.47                                                                                                                           => ( exuI1
% 0.27/0.47                                                                                                                             => ( exuI3
% 0.27/0.47                                                                                                                               => ( exuI2
% 0.27/0.47                                                                                                                                 => ( inCongP
% 0.27/0.47                                                                                                                                   => ( in__Cong
% 0.27/0.47                                                                                                                                     => ( exuE3u
% 0.27/0.47                                                                                                                                       => ( exu__Cong
% 0.27/0.47                                                                                                                                         => ( emptyset__Cong
% 0.27/0.47                                                                                                                                           => ( setadjoin__Cong
% 0.27/0.47                                                                                                                                             => ( powerset__Cong
% 0.27/0.47                                                                                                                                               => ( setunion__Cong
% 0.27/0.47                                                                                                                                                 => ( omega__Cong
% 0.27/0.47                                                                                                                                                   => ( exuEu
% 0.27/0.47                                                                                                                                                     => ( descr__Cong
% 0.27/0.47                                                                                                                                                       => ( dsetconstr__Cong
% 0.27/0.47                                                                                                                                                         => ( subsetI1
% 0.27/0.47                                                                                                                                                           => ( eqimpsubset2
% 0.27/0.47                                                                                                                                                             => ( eqimpsubset1
% 0.27/0.47                                                                                                                                                               => ( subsetI2
% 0.27/0.47                                                                                                                                                                 => ( emptysetsubset
% 0.27/0.47                                                                                                                                                                   => ( subsetE
% 0.27/0.47                                                                                                                                                                     => ( subsetE2
% 0.27/0.47                                                                                                                                                                       => ( notsubsetI
% 0.27/0.47                                                                                                                                                                         => ( notequalI1
% 0.27/0.47                                                                                                                                                                           => ( notequalI2
% 0.27/0.47                                                                                                                                                                             => ( subsetRefl
% 0.27/0.47                                                                                                                                                                               => ( subsetTrans
% 0.27/0.47                                                                                                                                                                                 => ( setadjoinSub
% 0.27/0.47                                                                                                                                                                                   => ( setadjoinSub2
% 0.27/0.47                                                                                                                                                                                     => ( subset2powerset
% 0.27/0.47                                                                                                                                                                                       => ( setextsub
% 0.27/0.47                                                                                                                                                                                         => ( subsetemptysetimpeq
% 0.27/0.47                                                                                                                                                                                           => ( powersetI1
% 0.27/0.47                                                                                                                                                                                             => ( powersetE1
% 0.27/0.47                                                                                                                                                                                               => ( inPowerset
% 0.27/0.47                                                                                                                                                                                                 => ( powersetsubset
% 0.27/0.47                                                                                                                                                                                                   => ( sepInPowerset
% 0.27/0.47                                                                                                                                                                                                     => ( sepSubset
% 0.27/0.47                                                                                                                                                                                                       => ( binunionIL
% 0.27/0.47                                                                                                                                                                                                         => ( upairset2IR
% 0.27/0.47                                                                                                                                                                                                           => ( binunionIR
% 0.27/0.47                                                                                                                                                                                                             => ( binunionEcases
% 0.27/0.47                                                                                                                                                                                                               => ( binunionE
% 0.27/0.47                                                                                                                                                                                                                 => ( binunionLsub
% 0.27/0.47                                                                                                                                                                                                                   => ( binunionRsub
% 0.27/0.47                                                                                                                                                                                                                     => ( binintersectI
% 0.27/0.47                                                                                                                                                                                                                       => ( binintersectSubset5
% 0.27/0.47                                                                                                                                                                                                                         => ( binintersectEL
% 0.27/0.47                                                                                                                                                                                                                           => ( binintersectLsub
% 0.27/0.47                                                                                                                                                                                                                             => ( binintersectSubset2
% 0.27/0.47                                                                                                                                                                                                                               => ( binintersectSubset3
% 0.27/0.47                                                                                                                                                                                                                                 => ( binintersectER
% 0.27/0.47                                                                                                                                                                                                                                   => ( disjointsetsI1
% 0.27/0.47                                                                                                                                                                                                                                     => ( binintersectRsub
% 0.27/0.47                                                                                                                                                                                                                                       => ( binintersectSubset4
% 0.27/0.47                                                                                                                                                                                                                                         => ( binintersectSubset1
% 0.27/0.47                                                                                                                                                                                                                                           => ( bs114d
% 0.27/0.47                                                                                                                                                                                                                                             => ( setminusI
% 0.27/0.47                                                                                                                                                                                                                                               => ( setminusEL
% 0.27/0.47                                                                                                                                                                                                                                                 => ( setminusER
% 0.27/0.47                                                                                                                                                                                                                                                   => ( setminusSubset2
% 0.27/0.47                                                                                                                                                                                                                                                     => ( setminusERneg
% 0.27/0.47                                                                                                                                                                                                                                                       => ( setminusELneg
% 0.27/0.47                                                                                                                                                                                                                                                         => ( setminusILneg
% 0.27/0.47                                                                                                                                                                                                                                                           => ( setminusIRneg
% 0.27/0.47                                                                                                                                                                                                                                                             => ( setminusLsub
% 0.27/0.47                                                                                                                                                                                                                                                               => ( setminusSubset1
% 0.27/0.47                                                                                                                                                                                                                                                                 => ( symdiffE
% 0.27/0.47                                                                                                                                                                                                                                                                   => ( symdiffI1
% 0.27/0.47                                                                                                                                                                                                                                                                     => ( symdiffI2
% 0.27/0.47                                                                                                                                                                                                                                                                       => ( symdiffIneg1
% 0.27/0.47                                                                                                                                                                                                                                                                         => ( symdiffIneg2
% 0.27/0.47                                                                                                                                                                                                                                                                           => ( secondinupair
% 0.27/0.47                                                                                                                                                                                                                                                                             => ( setukpairIL
% 0.27/0.47                                                                                                                                                                                                                                                                               => ( setukpairIR
% 0.27/0.47                                                                                                                                                                                                                                                                                 => ( kpairiskpair
% 0.27/0.47                                                                                                                                                                                                                                                                                   => ( kpairp
% 0.27/0.47                                                                                                                                                                                                                                                                                     => ( singletonsubset
% 0.27/0.47                                                                                                                                                                                                                                                                                       => ( singletoninpowerset
% 0.27/0.47                                                                                                                                                                                                                                                                                         => ( singletoninpowunion
% 0.27/0.47                                                                                                                                                                                                                                                                                           => ( upairset2E
% 0.27/0.47                                                                                                                                                                                                                                                                                             => ( upairsubunion
% 0.27/0.47                                                                                                                                                                                                                                                                                               => ( upairinpowunion
% 0.27/0.47                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
% 0.27/0.47                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
% 0.27/0.47                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
% 0.27/0.47                                                                                                                                                                                                                                                                                                       => ( cartprodpairin
% 0.27/0.47                                                                                                                                                                                                                                                                                                         => ( cartprodmempair1
% 0.27/0.47                                                                                                                                                                                                                                                                                                           => ( cartprodmempair
% 0.27/0.47                                                                                                                                                                                                                                                                                                             => ( setunionE2
% 0.27/0.47                                                                                                                                                                                                                                                                                                               => ( setunionsingleton1
% 0.27/0.47                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton2
% 0.27/0.47                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton
% 0.27/0.47                                                                                                                                                                                                                                                                                                                     => ( singletonprop
% 0.27/0.47                                                                                                                                                                                                                                                                                                                       => ( ex1E1
% 0.27/0.47                                                                                                                                                                                                                                                                                                                         => ( ex1I
% 0.27/0.47                                                                                                                                                                                                                                                                                                                           => ( ex1I2
% 0.27/0.47                                                                                                                                                                                                                                                                                                                             => ( singletonsuniq
% 0.27/0.47                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL1
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                 => ( kfstsingleton
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                   => ( theprop
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                     => ( kfstpairEq
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstin
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                   => ( upairequniteq
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                                 => ! [A: $i,B: $i,Xx: $i,Xy: $i] :
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ ( kpair @ Xx @ Xy ) @ ( cartprod @ A @ B ) )
% 0.27/0.47                                                                                                                                                                                                                                                                                                                                                                     => ( in @ Xx @ A ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 0.27/0.47  
% 0.27/0.47  %------------------------------------------------------------------------------
% 0.27/0.47  ------------------------
% 2.27/1.50  ---- Embedded in THF ---
% 2.27/1.50  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 2.27/1.50  %%% Generated on Tue Feb 24 12:29:31 EST 2026
% 2.27/1.50  %%% using '$$dhol' embedding, version 1.3.0.
% 2.27/1.50  %%% Logic specification used:
% 2.27/1.50  %%% thf(spec, logic, $$dhol).
% 2.27/1.50  
% 2.27/1.50  % SZS output start ListOfTHF for /export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2DTF8003.p
% See solution above
% 2.62/1.50  ------------------------
% 2.62/1.52  ---- Cleaned THF ---
% 2.62/1.53  thf(in_type,type,
% 2.62/1.53      in: $i > $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exu_type,type,
% 2.62/1.53      exu: ( $i > $o ) > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exu,definition,
% 2.62/1.53      ( exu
% 2.62/1.53      = ( ^ [Xphi: $i > $o] :
% 2.62/1.53          ? [Xx: $i] :
% 2.62/1.53            ( ( Xphi @ Xx )
% 2.62/1.53            & ! [Xy: $i] :
% 2.62/1.53                ( ( Xphi @ Xy )
% 2.62/1.53               => ( Xx = Xy ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setextAx_type,type,
% 2.62/1.53      setextAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setextAx,definition,
% 2.62/1.53      ( setextAx
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53              <=> ( in @ Xx @ B ) )
% 2.62/1.53           => ( A = B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyset_type,type,
% 2.62/1.53      emptyset: $i ).
% 2.62/1.53  
% 2.62/1.53  thf(emptysetAx_type,type,
% 2.62/1.53      emptysetAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptysetAx,definition,
% 2.62/1.53      ( emptysetAx
% 2.62/1.53      = ( ! [Xx: $i] :
% 2.62/1.53            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoin_type,type,
% 2.62/1.53      setadjoin: $i > $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinAx_type,type,
% 2.62/1.53      setadjoinAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinAx,definition,
% 2.62/1.53      ( setadjoinAx
% 2.62/1.53      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.62/1.53            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.62/1.53          <=> ( ( Xy = Xx )
% 2.62/1.53              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(powerset_type,type,
% 2.62/1.53      powerset: $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetAx_type,type,
% 2.62/1.53      powersetAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetAx,definition,
% 2.62/1.53      ( powersetAx
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( in @ B @ ( powerset @ A ) )
% 2.62/1.53          <=> ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ B )
% 2.62/1.53               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setunion_type,type,
% 2.62/1.53      setunion: $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionAx_type,type,
% 2.62/1.53      setunionAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionAx,definition,
% 2.62/1.53      ( setunionAx
% 2.62/1.53      = ( ! [A: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( setunion @ A ) )
% 2.62/1.53          <=> ? [B: $i] :
% 2.62/1.53                ( ( in @ Xx @ B )
% 2.62/1.53                & ( in @ B @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(omega_type,type,
% 2.62/1.53      omega: $i ).
% 2.62/1.53  
% 2.62/1.53  thf(omega0Ax_type,type,
% 2.62/1.53      omega0Ax: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(omega0Ax,definition,
% 2.62/1.53      ( omega0Ax
% 2.62/1.53      = ( in @ emptyset @ omega ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(omegaSAx_type,type,
% 2.62/1.53      omegaSAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(omegaSAx,definition,
% 2.62/1.53      ( omegaSAx
% 2.62/1.53      = ( ! [Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ omega )
% 2.62/1.53           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(omegaIndAx_type,type,
% 2.62/1.53      omegaIndAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(omegaIndAx,definition,
% 2.62/1.53      ( omegaIndAx
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ( ( in @ emptyset @ A )
% 2.62/1.53              & ! [Xx: $i] :
% 2.62/1.53                  ( ( ( in @ Xx @ omega )
% 2.62/1.53                    & ( in @ Xx @ A ) )
% 2.62/1.53                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 2.62/1.53           => ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ omega )
% 2.62/1.53               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(replAx_type,type,
% 2.62/1.53      replAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(replAx,definition,
% 2.62/1.53      ( replAx
% 2.62/1.53      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ( exu
% 2.62/1.53                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 2.62/1.53           => ? [B: $i] :
% 2.62/1.53              ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ B )
% 2.62/1.53              <=> ? [Xy: $i] :
% 2.62/1.53                    ( ( in @ Xy @ A )
% 2.62/1.53                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(foundationAx_type,type,
% 2.62/1.53      foundationAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(foundationAx,definition,
% 2.62/1.53      ( foundationAx
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.62/1.53           => ? [B: $i] :
% 2.62/1.53                ( ( in @ B @ A )
% 2.62/1.53                & ~ ? [Xx: $i] :
% 2.62/1.53                      ( ( in @ Xx @ B )
% 2.62/1.53                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(wellorderingAx_type,type,
% 2.62/1.53      wellorderingAx: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(wellorderingAx,definition,
% 2.62/1.53      ( wellorderingAx
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53          ? [B: $i] :
% 2.62/1.53            ( ! [C: $i] :
% 2.62/1.53                ( ( in @ C @ B )
% 2.62/1.53               => ! [Xx: $i] :
% 2.62/1.53                    ( ( in @ Xx @ C )
% 2.62/1.53                   => ( in @ Xx @ A ) ) )
% 2.62/1.53            & ! [Xx: $i,Xy: $i] :
% 2.62/1.53                ( ( ( in @ Xx @ A )
% 2.62/1.53                  & ( in @ Xy @ A ) )
% 2.62/1.53               => ( ! [C: $i] :
% 2.62/1.53                      ( ( in @ C @ B )
% 2.62/1.53                     => ( ( in @ Xx @ C )
% 2.62/1.53                      <=> ( in @ Xy @ C ) ) )
% 2.62/1.53                 => ( Xx = Xy ) ) )
% 2.62/1.53            & ! [C: $i,D: $i] :
% 2.62/1.53                ( ( ( in @ C @ B )
% 2.62/1.53                  & ( in @ D @ B ) )
% 2.62/1.53               => ( ! [Xx: $i] :
% 2.62/1.53                      ( ( in @ Xx @ C )
% 2.62/1.53                     => ( in @ Xx @ D ) )
% 2.62/1.53                  | ! [Xx: $i] :
% 2.62/1.53                      ( ( in @ Xx @ D )
% 2.62/1.53                     => ( in @ Xx @ C ) ) ) )
% 2.62/1.53            & ! [C: $i] :
% 2.62/1.53                ( ( ! [Xx: $i] :
% 2.62/1.53                      ( ( in @ Xx @ C )
% 2.62/1.53                     => ( in @ Xx @ A ) )
% 2.62/1.53                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 2.62/1.53               => ? [D: $i,Xx: $i] :
% 2.62/1.53                    ( ( in @ D @ B )
% 2.62/1.53                    & ( in @ Xx @ C )
% 2.62/1.53                    & ~ ? [Xy: $i] :
% 2.62/1.53                          ( ( in @ Xy @ D )
% 2.62/1.53                          & ( in @ Xy @ C ) )
% 2.62/1.53                    & ! [E: $i] :
% 2.62/1.53                        ( ( in @ E @ B )
% 2.62/1.53                       => ( ! [Xy: $i] :
% 2.62/1.53                              ( ( in @ Xy @ E )
% 2.62/1.53                             => ( in @ Xy @ D ) )
% 2.62/1.53                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(descr_type,type,
% 2.62/1.53      descr: ( $i > $o ) > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(descrp_type,type,
% 2.62/1.53      descrp: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(descrp,definition,
% 2.62/1.53      ( descrp
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ( exu
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53           => ( Xphi
% 2.62/1.53              @ ( descr
% 2.62/1.53                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstr_type,type,
% 2.62/1.53      dsetconstr: $i > ( $i > $o ) > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstrI_type,type,
% 2.62/1.53      dsetconstrI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstrI,definition,
% 2.62/1.53      ( dsetconstrI
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ( Xphi @ Xx )
% 2.62/1.53             => ( in @ Xx
% 2.62/1.53                @ ( dsetconstr @ A
% 2.62/1.53                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstrEL_type,type,
% 2.62/1.53      dsetconstrEL: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstrEL,definition,
% 2.62/1.53      ( dsetconstrEL
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx
% 2.62/1.53              @ ( dsetconstr @ A
% 2.62/1.53                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.62/1.53           => ( in @ Xx @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstrER_type,type,
% 2.62/1.53      dsetconstrER: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstrER,definition,
% 2.62/1.53      ( dsetconstrER
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx
% 2.62/1.53              @ ( dsetconstr @ A
% 2.62/1.53                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.62/1.53           => ( Xphi @ Xx ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exuE1_type,type,
% 2.62/1.53      exuE1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exuE1,definition,
% 2.62/1.53      ( exuE1
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ( exu
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53           => ? [Xx: $i] :
% 2.62/1.53                ( ( Xphi @ Xx )
% 2.62/1.53                & ! [Xy: $i] :
% 2.62/1.53                    ( ( Xphi @ Xy )
% 2.62/1.53                   => ( Xx = Xy ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(prop2set_type,type,
% 2.62/1.53      prop2set: $o > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(prop2setE_type,type,
% 2.62/1.53      prop2setE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(prop2setE,definition,
% 2.62/1.53      ( prop2setE
% 2.62/1.53      = ( ! [Xphi: $o,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 2.62/1.53           => Xphi ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptysetE_type,type,
% 2.62/1.53      emptysetE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptysetE,definition,
% 2.62/1.53      ( emptysetE
% 2.62/1.53      = ( ! [Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ emptyset )
% 2.62/1.53           => ! [Xphi: $o] : Xphi ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptysetimpfalse_type,type,
% 2.62/1.53      emptysetimpfalse: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptysetimpfalse,definition,
% 2.62/1.53      ( emptysetimpfalse
% 2.62/1.53      = ( ! [Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ emptyset )
% 2.62/1.53           => $false ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(notinemptyset_type,type,
% 2.62/1.53      notinemptyset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(notinemptyset,definition,
% 2.62/1.53      ( notinemptyset
% 2.62/1.53      = ( ! [Xx: $i] :
% 2.62/1.53            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exuE3e_type,type,
% 2.62/1.53      exuE3e: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exuE3e,definition,
% 2.62/1.53      ( exuE3e
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ( exu
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setext_type,type,
% 2.62/1.53      setext: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setext,definition,
% 2.62/1.53      ( setext
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ( in @ Xx @ B ) )
% 2.62/1.53           => ( ! [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ B )
% 2.62/1.53                 => ( in @ Xx @ A ) )
% 2.62/1.53             => ( A = B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyI_type,type,
% 2.62/1.53      emptyI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyI,definition,
% 2.62/1.53      ( emptyI
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ~ ( in @ Xx @ A )
% 2.62/1.53           => ( A = emptyset ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(noeltsimpempty_type,type,
% 2.62/1.53      noeltsimpempty: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(noeltsimpempty,definition,
% 2.62/1.53      ( noeltsimpempty
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ~ ( in @ Xx @ A )
% 2.62/1.53           => ( A = emptyset ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setbeta_type,type,
% 2.62/1.53      setbeta: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setbeta,definition,
% 2.62/1.53      ( setbeta
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ( in @ Xx
% 2.62/1.53                @ ( dsetconstr @ A
% 2.62/1.53                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.62/1.53            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(nonempty_type,type,
% 2.62/1.53      nonempty: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(nonempty,definition,
% 2.62/1.53      ( nonempty
% 2.62/1.53      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(nonemptyE1_type,type,
% 2.62/1.53      nonemptyE1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(nonemptyE1,definition,
% 2.62/1.53      ( nonemptyE1
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ( nonempty @ A )
% 2.62/1.53           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(nonemptyI_type,type,
% 2.62/1.53      nonemptyI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(nonemptyI,definition,
% 2.62/1.53      ( nonemptyI
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ( Xphi @ Xx )
% 2.62/1.53             => ( nonempty
% 2.62/1.53                @ ( dsetconstr @ A
% 2.62/1.53                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(nonemptyI1_type,type,
% 2.62/1.53      nonemptyI1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(nonemptyI1,definition,
% 2.62/1.53      ( nonemptyI1
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.62/1.53           => ( nonempty @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinIL_type,type,
% 2.62/1.53      setadjoinIL: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinIL,definition,
% 2.62/1.53      ( setadjoinIL
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyinunitempty_type,type,
% 2.62/1.53      emptyinunitempty: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyinunitempty,definition,
% 2.62/1.53      ( emptyinunitempty
% 2.62/1.53      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinIR_type,type,
% 2.62/1.53      setadjoinIR: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinIR,definition,
% 2.62/1.53      ( setadjoinIR
% 2.62/1.53      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.62/1.53            ( ( in @ Xy @ A )
% 2.62/1.53           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinE_type,type,
% 2.62/1.53      setadjoinE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinE,definition,
% 2.62/1.53      ( setadjoinE
% 2.62/1.53      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.62/1.53            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.62/1.53           => ! [Xphi: $o] :
% 2.62/1.53                ( ( ( Xy = Xx )
% 2.62/1.53                 => Xphi )
% 2.62/1.53               => ( ( ( in @ Xy @ A )
% 2.62/1.53                   => Xphi )
% 2.62/1.53                 => Xphi ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinOr_type,type,
% 2.62/1.53      setadjoinOr: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinOr,definition,
% 2.62/1.53      ( setadjoinOr
% 2.62/1.53      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.62/1.53            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.62/1.53           => ( ( Xy = Xx )
% 2.62/1.53              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setoftrueEq_type,type,
% 2.62/1.53      setoftrueEq: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setoftrueEq,definition,
% 2.62/1.53      ( setoftrueEq
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ( dsetconstr @ A
% 2.62/1.53              @ ^ [Xx: $i] : $true )
% 2.62/1.53            = A ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetI_type,type,
% 2.62/1.53      powersetI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetI,definition,
% 2.62/1.53      ( powersetI
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ B )
% 2.62/1.53               => ( in @ Xx @ A ) )
% 2.62/1.53           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyinPowerset_type,type,
% 2.62/1.53      emptyinPowerset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyinPowerset,definition,
% 2.62/1.53      ( emptyinPowerset
% 2.62/1.53      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyInPowerset_type,type,
% 2.62/1.53      emptyInPowerset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyInPowerset,definition,
% 2.62/1.53      ( emptyInPowerset
% 2.62/1.53      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetE_type,type,
% 2.62/1.53      powersetE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetE,definition,
% 2.62/1.53      ( powersetE
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ B @ ( powerset @ A ) )
% 2.62/1.53           => ( ( in @ Xx @ B )
% 2.62/1.53             => ( in @ Xx @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionI_type,type,
% 2.62/1.53      setunionI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionI,definition,
% 2.62/1.53      ( setunionI
% 2.62/1.53      = ( ! [A: $i,Xx: $i,B: $i] :
% 2.62/1.53            ( ( in @ Xx @ B )
% 2.62/1.53           => ( ( in @ B @ A )
% 2.62/1.53             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionE_type,type,
% 2.62/1.53      setunionE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionE,definition,
% 2.62/1.53      ( setunionE
% 2.62/1.53      = ( ! [A: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( setunion @ A ) )
% 2.62/1.53           => ! [Xphi: $o] :
% 2.62/1.53                ( ! [B: $i] :
% 2.62/1.53                    ( ( in @ Xx @ B )
% 2.62/1.53                   => ( ( in @ B @ A )
% 2.62/1.53                     => Xphi ) )
% 2.62/1.53               => Xphi ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subPowSU_type,type,
% 2.62/1.53      subPowSU: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subPowSU,definition,
% 2.62/1.53      ( subPowSU
% 2.62/1.53      = ( ! [A: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exuE2_type,type,
% 2.62/1.53      exuE2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exuE2,definition,
% 2.62/1.53      ( exuE2
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ( exu
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53           => ? [Xx: $i] :
% 2.62/1.53              ! [Xy: $i] :
% 2.62/1.53                ( ( Xphi @ Xy )
% 2.62/1.53              <=> ( Xy = Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(nonemptyImpWitness_type,type,
% 2.62/1.53      nonemptyImpWitness: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(nonemptyImpWitness,definition,
% 2.62/1.53      ( nonemptyImpWitness
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ( nonempty @ A )
% 2.62/1.53           => ? [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53                & $true ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(uniqinunit_type,type,
% 2.62/1.53      uniqinunit: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(uniqinunit,definition,
% 2.62/1.53      ( uniqinunit
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.62/1.53           => ( Xx = Xy ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(notinsingleton_type,type,
% 2.62/1.53      notinsingleton: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(notinsingleton,definition,
% 2.62/1.53      ( notinsingleton
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( Xx != Xy )
% 2.62/1.53           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(eqinunit_type,type,
% 2.62/1.53      eqinunit: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(eqinunit,definition,
% 2.62/1.53      ( eqinunit
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( Xx = Xy )
% 2.62/1.53           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(singletonsswitch_type,type,
% 2.62/1.53      singletonsswitch: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(singletonsswitch,definition,
% 2.62/1.53      ( singletonsswitch
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.62/1.53           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsetE_type,type,
% 2.62/1.53      upairsetE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsetE,definition,
% 2.62/1.53      ( upairsetE
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 2.62/1.53            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 2.62/1.53           => ( ( Xz = Xx )
% 2.62/1.53              | ( Xz = Xy ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsetIL_type,type,
% 2.62/1.53      upairsetIL: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsetIL,definition,
% 2.62/1.53      ( upairsetIL
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsetIR_type,type,
% 2.62/1.53      upairsetIR: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsetIR,definition,
% 2.62/1.53      ( upairsetIR
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyE1_type,type,
% 2.62/1.53      emptyE1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyE1,definition,
% 2.62/1.53      ( emptyE1
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ? [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53                & ( Xphi @ Xx ) )
% 2.62/1.53           => ( ( ( dsetconstr @ A
% 2.62/1.53                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53                = emptyset )
% 2.62/1.53             => $false ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(vacuousDall_type,type,
% 2.62/1.53      vacuousDall: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(vacuousDall,definition,
% 2.62/1.53      ( vacuousDall
% 2.62/1.53      = ( ! [Xphi: $i > $o,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ emptyset )
% 2.62/1.53           => ( Xphi @ Xx ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(quantDeMorgan1_type,type,
% 2.62/1.53      quantDeMorgan1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(quantDeMorgan1,definition,
% 2.62/1.53      ( quantDeMorgan1
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ~ ! [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                 => ( Xphi @ Xx ) )
% 2.62/1.53           => ? [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(quantDeMorgan2_type,type,
% 2.62/1.53      quantDeMorgan2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(quantDeMorgan2,definition,
% 2.62/1.53      ( quantDeMorgan2
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ~ ( Xphi @ Xx ) )
% 2.62/1.53           => ~ ? [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                  & ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(quantDeMorgan3_type,type,
% 2.62/1.53      quantDeMorgan3: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(quantDeMorgan3,definition,
% 2.62/1.53      ( quantDeMorgan3
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ~ ? [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                  & ( Xphi @ Xx ) )
% 2.62/1.53           => ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(quantDeMorgan4_type,type,
% 2.62/1.53      quantDeMorgan4: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(quantDeMorgan4,definition,
% 2.62/1.53      ( quantDeMorgan4
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ? [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53                & ~ ( Xphi @ Xx ) )
% 2.62/1.53           => ~ ! [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                 => ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(prop2setI_type,type,
% 2.62/1.53      prop2setI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(prop2setI,definition,
% 2.62/1.53      ( prop2setI
% 2.62/1.53      = ( ! [Xphi: $o] :
% 2.62/1.53            ( Xphi
% 2.62/1.53           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(set2prop_type,type,
% 2.62/1.53      set2prop: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(prop2set2propI_type,type,
% 2.62/1.53      prop2set2propI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(prop2set2propI,definition,
% 2.62/1.53      ( prop2set2propI
% 2.62/1.53      = ( ! [Xphi: $o] :
% 2.62/1.53            ( Xphi
% 2.62/1.53           => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(notdexE_type,type,
% 2.62/1.53      notdexE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(notdexE,definition,
% 2.62/1.53      ( notdexE
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ~ ? [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                  & ( Xphi @ Xx ) )
% 2.62/1.53           => ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(notdallE_type,type,
% 2.62/1.53      notdallE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(notdallE,definition,
% 2.62/1.53      ( notdallE
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ~ ! [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                 => ( Xphi @ Xx ) )
% 2.62/1.53           => ? [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exuI1_type,type,
% 2.62/1.53      exuI1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exuI1,definition,
% 2.62/1.53      ( exuI1
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ? [Xx: $i] :
% 2.62/1.53                ( ( Xphi @ Xx )
% 2.62/1.53                & ! [Xy: $i] :
% 2.62/1.53                    ( ( Xphi @ Xy )
% 2.62/1.53                   => ( Xx = Xy ) ) )
% 2.62/1.53           => ( exu
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exuI3_type,type,
% 2.62/1.53      exuI3: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exuI3,definition,
% 2.62/1.53      ( exuI3
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ? [Xx: $i] : ( Xphi @ Xx )
% 2.62/1.53           => ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53                  ( ( Xphi @ Xx )
% 2.62/1.53                 => ( ( Xphi @ Xy )
% 2.62/1.53                   => ( Xx = Xy ) ) )
% 2.62/1.53             => ( exu
% 2.62/1.53                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exuI2_type,type,
% 2.62/1.53      exuI2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exuI2,definition,
% 2.62/1.53      ( exuI2
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ? [Xx: $i] :
% 2.62/1.53              ! [Xy: $i] :
% 2.62/1.53                ( ( Xphi @ Xy )
% 2.62/1.53              <=> ( Xy = Xx ) )
% 2.62/1.53           => ( exu
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(inCongP_type,type,
% 2.62/1.53      inCongP: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(inCongP,definition,
% 2.62/1.53      ( inCongP
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( A = B )
% 2.62/1.53           => ! [Xx: $i,Xy: $i] :
% 2.62/1.53                ( ( Xx = Xy )
% 2.62/1.53               => ( ( in @ Xx @ A )
% 2.62/1.53                 => ( in @ Xy @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(in__Cong_type,type,
% 2.62/1.53      in__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(in__Cong,definition,
% 2.62/1.53      ( in__Cong
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( A = B )
% 2.62/1.53           => ! [Xx: $i,Xy: $i] :
% 2.62/1.53                ( ( Xx = Xy )
% 2.62/1.53               => ( ( in @ Xx @ A )
% 2.62/1.53                <=> ( in @ Xy @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exuE3u_type,type,
% 2.62/1.53      exuE3u: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exuE3u,definition,
% 2.62/1.53      ( exuE3u
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ( exu
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53           => ! [Xx: $i,Xy: $i] :
% 2.62/1.53                ( ( Xphi @ Xx )
% 2.62/1.53               => ( ( Xphi @ Xy )
% 2.62/1.53                 => ( Xx = Xy ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exu__Cong_type,type,
% 2.62/1.53      exu__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exu__Cong,definition,
% 2.62/1.53      ( exu__Cong
% 2.62/1.53      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 2.62/1.53            ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53                ( ( Xx = Xy )
% 2.62/1.53               => ( ( Xphi @ Xx )
% 2.62/1.53                <=> ( Xpsi @ Xy ) ) )
% 2.62/1.53           => ( ( exu
% 2.62/1.53                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53            <=> ( exu
% 2.62/1.53                @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyset__Cong_type,type,
% 2.62/1.53      emptyset__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptyset__Cong,definition,
% 2.62/1.53      ( emptyset__Cong
% 2.62/1.53      = ( emptyset = emptyset ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoin__Cong_type,type,
% 2.62/1.53      setadjoin__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoin__Cong,definition,
% 2.62/1.53      ( setadjoin__Cong
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( Xx = Xy )
% 2.62/1.53           => ! [Xz: $i,Xu: $i] :
% 2.62/1.53                ( ( Xz = Xu )
% 2.62/1.53               => ( ( setadjoin @ Xx @ Xz )
% 2.62/1.53                  = ( setadjoin @ Xy @ Xu ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(powerset__Cong_type,type,
% 2.62/1.53      powerset__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(powerset__Cong,definition,
% 2.62/1.53      ( powerset__Cong
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( A = B )
% 2.62/1.53           => ( ( powerset @ A )
% 2.62/1.53              = ( powerset @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setunion__Cong_type,type,
% 2.62/1.53      setunion__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setunion__Cong,definition,
% 2.62/1.53      ( setunion__Cong
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( A = B )
% 2.62/1.53           => ( ( setunion @ A )
% 2.62/1.53              = ( setunion @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(omega__Cong_type,type,
% 2.62/1.53      omega__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(omega__Cong,definition,
% 2.62/1.53      ( omega__Cong
% 2.62/1.53      = ( omega = omega ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(exuEu_type,type,
% 2.62/1.53      exuEu: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(exuEu,definition,
% 2.62/1.53      ( exuEu
% 2.62/1.53      = ( ! [Xphi: $i > $o] :
% 2.62/1.53            ( ( exu
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53           => ! [Xx: $i,Xy: $i] :
% 2.62/1.53                ( ( Xphi @ Xx )
% 2.62/1.53               => ( ( Xphi @ Xy )
% 2.62/1.53                 => ( Xx = Xy ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(descr__Cong_type,type,
% 2.62/1.53      descr__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(descr__Cong,definition,
% 2.62/1.53      ( descr__Cong
% 2.62/1.53      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 2.62/1.53            ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53                ( ( Xx = Xy )
% 2.62/1.53               => ( ( Xphi @ Xx )
% 2.62/1.53                <=> ( Xpsi @ Xy ) ) )
% 2.62/1.53           => ( ( exu
% 2.62/1.53                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53             => ( ( exu
% 2.62/1.53                  @ ^ [Xx: $i] : ( Xpsi @ Xx ) )
% 2.62/1.53               => ( ( descr
% 2.62/1.53                    @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53                  = ( descr
% 2.62/1.53                    @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstr__Cong_type,type,
% 2.62/1.53      dsetconstr__Cong: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(dsetconstr__Cong,definition,
% 2.62/1.53      ( dsetconstr__Cong
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( A = B )
% 2.62/1.53           => ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 2.62/1.53                ( ! [Xx: $i] :
% 2.62/1.53                    ( ( in @ Xx @ A )
% 2.62/1.53                   => ! [Xy: $i] :
% 2.62/1.53                        ( ( in @ Xy @ B )
% 2.62/1.53                       => ( ( Xx = Xy )
% 2.62/1.53                         => ( ( Xphi @ Xx )
% 2.62/1.53                          <=> ( Xpsi @ Xy ) ) ) ) )
% 2.62/1.53               => ( ( dsetconstr @ A
% 2.62/1.53                    @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53                  = ( dsetconstr @ B
% 2.62/1.53                    @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subset_type,type,
% 2.62/1.53      subset: $i > $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(disjoint_type,type,
% 2.62/1.53      disjoint: $i > $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setsmeet_type,type,
% 2.62/1.53      setsmeet: $i > $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetI1_type,type,
% 2.62/1.53      subsetI1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetI1,definition,
% 2.62/1.53      ( subsetI1
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ( in @ Xx @ B ) )
% 2.62/1.53           => ( subset @ A @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(eqimpsubset2_type,type,
% 2.62/1.53      eqimpsubset2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(eqimpsubset2,definition,
% 2.62/1.53      ( eqimpsubset2
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( A = B )
% 2.62/1.53           => ( subset @ B @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(eqimpsubset1_type,type,
% 2.62/1.53      eqimpsubset1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(eqimpsubset1,definition,
% 2.62/1.53      ( eqimpsubset1
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( A = B )
% 2.62/1.53           => ( subset @ A @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetI2_type,type,
% 2.62/1.53      subsetI2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetI2,definition,
% 2.62/1.53      ( subsetI2
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ( in @ Xx @ B ) )
% 2.62/1.53           => ( subset @ A @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(emptysetsubset_type,type,
% 2.62/1.53      emptysetsubset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(emptysetsubset,definition,
% 2.62/1.53      ( emptysetsubset
% 2.62/1.53      = ( ! [A: $i] : ( subset @ emptyset @ A ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetE_type,type,
% 2.62/1.53      subsetE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetE,definition,
% 2.62/1.53      ( subsetE
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( ( in @ Xx @ A )
% 2.62/1.53             => ( in @ Xx @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetE2_type,type,
% 2.62/1.53      subsetE2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetE2,definition,
% 2.62/1.53      ( subsetE2
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( ~ ( in @ Xx @ B )
% 2.62/1.53             => ~ ( in @ Xx @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(notsubsetI_type,type,
% 2.62/1.53      notsubsetI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(notsubsetI,definition,
% 2.62/1.53      ( notsubsetI
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ~ ( in @ Xx @ B )
% 2.62/1.53             => ~ ( subset @ A @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(notequalI1_type,type,
% 2.62/1.53      notequalI1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(notequalI1,definition,
% 2.62/1.53      ( notequalI1
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ~ ( subset @ A @ B )
% 2.62/1.53           => ( A != B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(notequalI2_type,type,
% 2.62/1.53      notequalI2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(notequalI2,definition,
% 2.62/1.53      ( notequalI2
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ~ ( in @ Xx @ B )
% 2.62/1.53             => ( A != B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetRefl_type,type,
% 2.62/1.53      subsetRefl: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetRefl,definition,
% 2.62/1.53      ( subsetRefl
% 2.62/1.53      = ( ! [A: $i] : ( subset @ A @ A ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetTrans_type,type,
% 2.62/1.53      subsetTrans: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetTrans,definition,
% 2.62/1.53      ( subsetTrans
% 2.62/1.53      = ( ! [A: $i,B: $i,C: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( ( subset @ B @ C )
% 2.62/1.53             => ( subset @ A @ C ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinSub_type,type,
% 2.62/1.53      setadjoinSub: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinSub,definition,
% 2.62/1.53      ( setadjoinSub
% 2.62/1.53      = ( ! [Xx: $i,A: $i] : ( subset @ A @ ( setadjoin @ Xx @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinSub2_type,type,
% 2.62/1.53      setadjoinSub2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setadjoinSub2,definition,
% 2.62/1.53      ( setadjoinSub2
% 2.62/1.53      = ( ! [A: $i,Xx: $i,B: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( subset @ A @ ( setadjoin @ Xx @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subset2powerset_type,type,
% 2.62/1.53      subset2powerset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subset2powerset,definition,
% 2.62/1.53      ( subset2powerset
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( in @ A @ ( powerset @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setextsub_type,type,
% 2.62/1.53      setextsub: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setextsub,definition,
% 2.62/1.53      ( setextsub
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( ( subset @ B @ A )
% 2.62/1.53             => ( A = B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetemptysetimpeq_type,type,
% 2.62/1.53      subsetemptysetimpeq: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(subsetemptysetimpeq,definition,
% 2.62/1.53      ( subsetemptysetimpeq
% 2.62/1.53      = ( ! [A: $i] :
% 2.62/1.53            ( ( subset @ A @ emptyset )
% 2.62/1.53           => ( A = emptyset ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetI1_type,type,
% 2.62/1.53      powersetI1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetI1,definition,
% 2.62/1.53      ( powersetI1
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( subset @ B @ A )
% 2.62/1.53           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetE1_type,type,
% 2.62/1.53      powersetE1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetE1,definition,
% 2.62/1.53      ( powersetE1
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( in @ B @ ( powerset @ A ) )
% 2.62/1.53           => ( subset @ B @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(inPowerset_type,type,
% 2.62/1.53      inPowerset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(inPowerset,definition,
% 2.62/1.53      ( inPowerset
% 2.62/1.53      = ( ! [A: $i] : ( in @ A @ ( powerset @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetsubset_type,type,
% 2.62/1.53      powersetsubset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(powersetsubset,definition,
% 2.62/1.53      ( powersetsubset
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( subset @ ( powerset @ A ) @ ( powerset @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(sepInPowerset_type,type,
% 2.62/1.53      sepInPowerset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(sepInPowerset,definition,
% 2.62/1.53      ( sepInPowerset
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( in
% 2.62/1.53            @ ( dsetconstr @ A
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53            @ ( powerset @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(sepSubset_type,type,
% 2.62/1.53      sepSubset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(sepSubset,definition,
% 2.62/1.53      ( sepSubset
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( subset
% 2.62/1.53            @ ( dsetconstr @ A
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53            @ A ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binunion_type,type,
% 2.62/1.53      binunion: $i > $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionIL_type,type,
% 2.62/1.53      binunionIL: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionIL,definition,
% 2.62/1.53      ( binunionIL
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( in @ Xx @ ( binunion @ A @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(upairset2IR_type,type,
% 2.62/1.53      upairset2IR: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairset2IR,definition,
% 2.62/1.53      ( upairset2IR
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionIR_type,type,
% 2.62/1.53      binunionIR: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionIR,definition,
% 2.62/1.53      ( binunionIR
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ B )
% 2.62/1.53           => ( in @ Xx @ ( binunion @ A @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionEcases_type,type,
% 2.62/1.53      binunionEcases: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionEcases,definition,
% 2.62/1.53      ( binunionEcases
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i,Xphi: $o] :
% 2.62/1.53            ( ( in @ Xx @ ( binunion @ A @ B ) )
% 2.62/1.53           => ( ( ( in @ Xx @ A )
% 2.62/1.53               => Xphi )
% 2.62/1.53             => ( ( ( in @ Xx @ B )
% 2.62/1.53                 => Xphi )
% 2.62/1.53               => Xphi ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionE_type,type,
% 2.62/1.53      binunionE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionE,definition,
% 2.62/1.53      ( binunionE
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( binunion @ A @ B ) )
% 2.62/1.53           => ( ( in @ Xx @ A )
% 2.62/1.53              | ( in @ Xx @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionLsub_type,type,
% 2.62/1.53      binunionLsub: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionLsub,definition,
% 2.62/1.53      ( binunionLsub
% 2.62/1.53      = ( ! [A: $i,B: $i] : ( subset @ A @ ( binunion @ A @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionRsub_type,type,
% 2.62/1.53      binunionRsub: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binunionRsub,definition,
% 2.62/1.53      ( binunionRsub
% 2.62/1.53      = ( ! [A: $i,B: $i] : ( subset @ B @ ( binunion @ A @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersect_type,type,
% 2.62/1.53      binintersect: $i > $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectI_type,type,
% 2.62/1.53      binintersectI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectI,definition,
% 2.62/1.53      ( binintersectI
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ( in @ Xx @ B )
% 2.62/1.53             => ( in @ Xx @ ( binintersect @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset5_type,type,
% 2.62/1.53      binintersectSubset5: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset5,definition,
% 2.62/1.53      ( binintersectSubset5
% 2.62/1.53      = ( ! [A: $i,B: $i,C: $i] :
% 2.62/1.53            ( ( subset @ C @ A )
% 2.62/1.53           => ( ( subset @ C @ B )
% 2.62/1.53             => ( subset @ C @ ( binintersect @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectEL_type,type,
% 2.62/1.53      binintersectEL: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectEL,definition,
% 2.62/1.53      ( binintersectEL
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( binintersect @ A @ B ) )
% 2.62/1.53           => ( in @ Xx @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectLsub_type,type,
% 2.62/1.53      binintersectLsub: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectLsub,definition,
% 2.62/1.53      ( binintersectLsub
% 2.62/1.53      = ( ! [A: $i,B: $i] : ( subset @ ( binintersect @ A @ B ) @ A ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset2_type,type,
% 2.62/1.53      binintersectSubset2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset2,definition,
% 2.62/1.53      ( binintersectSubset2
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( ( binintersect @ A @ B )
% 2.62/1.53              = A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset3_type,type,
% 2.62/1.53      binintersectSubset3: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset3,definition,
% 2.62/1.53      ( binintersectSubset3
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( ( binintersect @ A @ B )
% 2.62/1.53              = B )
% 2.62/1.53           => ( subset @ B @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectER_type,type,
% 2.62/1.53      binintersectER: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectER,definition,
% 2.62/1.53      ( binintersectER
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( binintersect @ A @ B ) )
% 2.62/1.53           => ( in @ Xx @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(disjointsetsI1_type,type,
% 2.62/1.53      disjointsetsI1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(disjointsetsI1,definition,
% 2.62/1.53      ( disjointsetsI1
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ~ ? [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                  & ( in @ Xx @ B ) )
% 2.62/1.53           => ( ( binintersect @ A @ B )
% 2.62/1.53              = emptyset ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectRsub_type,type,
% 2.62/1.53      binintersectRsub: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectRsub,definition,
% 2.62/1.53      ( binintersectRsub
% 2.62/1.53      = ( ! [A: $i,B: $i] : ( subset @ ( binintersect @ A @ B ) @ B ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset4_type,type,
% 2.62/1.53      binintersectSubset4: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset4,definition,
% 2.62/1.53      ( binintersectSubset4
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( subset @ B @ A )
% 2.62/1.53           => ( ( binintersect @ A @ B )
% 2.62/1.53              = B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset1_type,type,
% 2.62/1.53      binintersectSubset1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(binintersectSubset1,definition,
% 2.62/1.53      ( binintersectSubset1
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( ( binintersect @ A @ B )
% 2.62/1.53              = A )
% 2.62/1.53           => ( subset @ A @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(bs114d_type,type,
% 2.62/1.53      bs114d: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(bs114d,definition,
% 2.62/1.53      ( bs114d
% 2.62/1.53      = ( ! [A: $i,B: $i,C: $i] :
% 2.62/1.53            ( ( binintersect @ A @ ( binunion @ B @ C ) )
% 2.62/1.53            = ( binunion @ ( binintersect @ A @ B ) @ ( binintersect @ A @ C ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(regular_type,type,
% 2.62/1.53      regular: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminus_type,type,
% 2.62/1.53      setminus: $i > $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusI_type,type,
% 2.62/1.53      setminusI: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusI,definition,
% 2.62/1.53      ( setminusI
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ~ ( in @ Xx @ B )
% 2.62/1.53             => ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusEL_type,type,
% 2.62/1.53      setminusEL: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusEL,definition,
% 2.62/1.53      ( setminusEL
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( setminus @ A @ B ) )
% 2.62/1.53           => ( in @ Xx @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusER_type,type,
% 2.62/1.53      setminusER: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusER,definition,
% 2.62/1.53      ( setminusER
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( setminus @ A @ B ) )
% 2.62/1.53           => ~ ( in @ Xx @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusSubset2_type,type,
% 2.62/1.53      setminusSubset2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusSubset2,definition,
% 2.62/1.53      ( setminusSubset2
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( subset @ A @ B )
% 2.62/1.53           => ( ( setminus @ A @ B )
% 2.62/1.53              = emptyset ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusERneg_type,type,
% 2.62/1.53      setminusERneg: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusERneg,definition,
% 2.62/1.53      ( setminusERneg
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ~ ( in @ Xx @ ( setminus @ A @ B ) )
% 2.62/1.53           => ( ( in @ Xx @ A )
% 2.62/1.53             => ( in @ Xx @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusELneg_type,type,
% 2.62/1.53      setminusELneg: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusELneg,definition,
% 2.62/1.53      ( setminusELneg
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ~ ( in @ Xx @ ( setminus @ A @ B ) )
% 2.62/1.53           => ( ~ ( in @ Xx @ B )
% 2.62/1.53             => ~ ( in @ Xx @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusILneg_type,type,
% 2.62/1.53      setminusILneg: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusILneg,definition,
% 2.62/1.53      ( setminusILneg
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ~ ( in @ Xx @ A )
% 2.62/1.53           => ~ ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusIRneg_type,type,
% 2.62/1.53      setminusIRneg: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusIRneg,definition,
% 2.62/1.53      ( setminusIRneg
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ B )
% 2.62/1.53           => ~ ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusLsub_type,type,
% 2.62/1.53      setminusLsub: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusLsub,definition,
% 2.62/1.53      ( setminusLsub
% 2.62/1.53      = ( ! [A: $i,B: $i] : ( subset @ ( setminus @ A @ B ) @ A ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusSubset1_type,type,
% 2.62/1.53      setminusSubset1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setminusSubset1,definition,
% 2.62/1.53      ( setminusSubset1
% 2.62/1.53      = ( ! [A: $i,B: $i] :
% 2.62/1.53            ( ( ( setminus @ A @ B )
% 2.62/1.53              = emptyset )
% 2.62/1.53           => ( subset @ A @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiff_type,type,
% 2.62/1.53      symdiff: $i > $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffE_type,type,
% 2.62/1.53      symdiffE: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffE,definition,
% 2.62/1.53      ( symdiffE
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( symdiff @ A @ B ) )
% 2.62/1.53           => ! [Xphi: $o] :
% 2.62/1.53                ( ( ( in @ Xx @ A )
% 2.62/1.53                 => ( ~ ( in @ Xx @ B )
% 2.62/1.53                   => Xphi ) )
% 2.62/1.53               => ( ( ~ ( in @ Xx @ A )
% 2.62/1.53                   => ( ( in @ Xx @ B )
% 2.62/1.53                     => Xphi ) )
% 2.62/1.53                 => Xphi ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffI1_type,type,
% 2.62/1.53      symdiffI1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffI1,definition,
% 2.62/1.53      ( symdiffI1
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ~ ( in @ Xx @ B )
% 2.62/1.53             => ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffI2_type,type,
% 2.62/1.53      symdiffI2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffI2,definition,
% 2.62/1.53      ( symdiffI2
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ~ ( in @ Xx @ A )
% 2.62/1.53           => ( ( in @ Xx @ B )
% 2.62/1.53             => ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffIneg1_type,type,
% 2.62/1.53      symdiffIneg1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffIneg1,definition,
% 2.62/1.53      ( symdiffIneg1
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ( in @ Xx @ B )
% 2.62/1.53             => ~ ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffIneg2_type,type,
% 2.62/1.53      symdiffIneg2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(symdiffIneg2,definition,
% 2.62/1.53      ( symdiffIneg2
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ~ ( in @ Xx @ A )
% 2.62/1.53           => ( ~ ( in @ Xx @ B )
% 2.62/1.53             => ~ ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(iskpair_type,type,
% 2.62/1.53      iskpair: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(secondinupair_type,type,
% 2.62/1.53      secondinupair: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(secondinupair,definition,
% 2.62/1.53      ( secondinupair
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairIL_type,type,
% 2.62/1.53      setukpairIL: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairIL,definition,
% 2.62/1.53      ( setukpairIL
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setunion @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairIR_type,type,
% 2.62/1.53      setukpairIR: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairIR,definition,
% 2.62/1.53      ( setukpairIR
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setunion @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(kpairiskpair_type,type,
% 2.62/1.53      kpairiskpair: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(kpairiskpair,definition,
% 2.62/1.53      ( kpairiskpair
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( iskpair @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(kpair_type,type,
% 2.62/1.53      kpair: $i > $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(kpairp_type,type,
% 2.62/1.53      kpairp: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(kpairp,definition,
% 2.62/1.53      ( kpairp
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] : ( iskpair @ ( kpair @ Xx @ Xy ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprod_type,type,
% 2.62/1.53      cartprod: $i > $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(singletonsubset_type,type,
% 2.62/1.53      singletonsubset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(singletonsubset,definition,
% 2.62/1.53      ( singletonsubset
% 2.62/1.53      = ( ! [A: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( subset @ ( setadjoin @ Xx @ emptyset ) @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(singletoninpowerset_type,type,
% 2.62/1.53      singletoninpowerset: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(singletoninpowerset,definition,
% 2.62/1.53      ( singletoninpowerset
% 2.62/1.53      = ( ! [A: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( in @ ( setadjoin @ Xx @ emptyset ) @ ( powerset @ A ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(singletoninpowunion_type,type,
% 2.62/1.53      singletoninpowunion: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(singletoninpowunion,definition,
% 2.62/1.53      ( singletoninpowunion
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( in @ ( setadjoin @ Xx @ emptyset ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(upairset2E_type,type,
% 2.62/1.53      upairset2E: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairset2E,definition,
% 2.62/1.53      ( upairset2E
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 2.62/1.53            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 2.62/1.53           => ( ( Xz = Xx )
% 2.62/1.53              | ( Xz = Xy ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsubunion_type,type,
% 2.62/1.53      upairsubunion: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsubunion,definition,
% 2.62/1.53      ( upairsubunion
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ! [Xy: $i] :
% 2.62/1.53                ( ( in @ Xy @ B )
% 2.62/1.53               => ( subset @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ ( binunion @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(upairinpowunion_type,type,
% 2.62/1.53      upairinpowunion: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairinpowunion,definition,
% 2.62/1.53      ( upairinpowunion
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ! [Xy: $i] :
% 2.62/1.53                ( ( in @ Xy @ B )
% 2.62/1.53               => ( in @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ubforcartprodlem1_type,type,
% 2.62/1.53      ubforcartprodlem1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ubforcartprodlem1,definition,
% 2.62/1.53      ( ubforcartprodlem1
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ! [Xy: $i] :
% 2.62/1.53                ( ( in @ Xy @ B )
% 2.62/1.53               => ( subset @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ubforcartprodlem2_type,type,
% 2.62/1.53      ubforcartprodlem2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ubforcartprodlem2,definition,
% 2.62/1.53      ( ubforcartprodlem2
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ! [Xy: $i] :
% 2.62/1.53                ( ( in @ Xy @ B )
% 2.62/1.53               => ( in @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ubforcartprodlem3_type,type,
% 2.62/1.53      ubforcartprodlem3: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ubforcartprodlem3,definition,
% 2.62/1.53      ( ubforcartprodlem3
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ! [Xy: $i] :
% 2.62/1.53                ( ( in @ Xy @ B )
% 2.62/1.53               => ( in @ ( kpair @ Xx @ Xy ) @ ( powerset @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodpairin_type,type,
% 2.62/1.53      cartprodpairin: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodpairin,definition,
% 2.62/1.53      ( cartprodpairin
% 2.62/1.53      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ! [Xy: $i] :
% 2.62/1.53                ( ( in @ Xy @ B )
% 2.62/1.53               => ( in @ ( kpair @ Xx @ Xy ) @ ( cartprod @ A @ B ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodmempair1_type,type,
% 2.62/1.53      cartprodmempair1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodmempair1,definition,
% 2.62/1.53      ( cartprodmempair1
% 2.62/1.53      = ( ! [A: $i,B: $i,Xu: $i] :
% 2.62/1.53            ( ( in @ Xu @ ( cartprod @ A @ B ) )
% 2.62/1.53           => ? [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53                & ? [Xy: $i] :
% 2.62/1.53                    ( ( in @ Xy @ B )
% 2.62/1.53                    & ( Xu
% 2.62/1.53                      = ( kpair @ Xx @ Xy ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodmempair_type,type,
% 2.62/1.53      cartprodmempair: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodmempair,definition,
% 2.62/1.53      ( cartprodmempair
% 2.62/1.53      = ( ! [A: $i,B: $i,Xu: $i] :
% 2.62/1.53            ( ( in @ Xu @ ( cartprod @ A @ B ) )
% 2.62/1.53           => ( iskpair @ Xu ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionE2_type,type,
% 2.62/1.53      setunionE2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionE2,definition,
% 2.62/1.53      ( setunionE2
% 2.62/1.53      = ( ! [A: $i,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ ( setunion @ A ) )
% 2.62/1.53           => ? [X: $i] :
% 2.62/1.53                ( ( in @ X @ A )
% 2.62/1.53                & ( in @ Xx @ X ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionsingleton1_type,type,
% 2.62/1.53      setunionsingleton1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionsingleton1,definition,
% 2.62/1.53      ( setunionsingleton1
% 2.62/1.53      = ( ! [A: $i] : ( subset @ ( setunion @ ( setadjoin @ A @ emptyset ) ) @ A ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionsingleton2_type,type,
% 2.62/1.53      setunionsingleton2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionsingleton2,definition,
% 2.62/1.53      ( setunionsingleton2
% 2.62/1.53      = ( ! [A: $i] : ( subset @ A @ ( setunion @ ( setadjoin @ A @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionsingleton_type,type,
% 2.62/1.53      setunionsingleton: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setunionsingleton,definition,
% 2.62/1.53      ( setunionsingleton
% 2.62/1.53      = ( ! [Xx: $i] :
% 2.62/1.53            ( ( setunion @ ( setadjoin @ Xx @ emptyset ) )
% 2.62/1.53            = Xx ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(singleton_type,type,
% 2.62/1.53      singleton: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(singleton,definition,
% 2.62/1.53      ( singleton
% 2.62/1.53      = ( ^ [A: $i] :
% 2.62/1.53          ? [Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53            & ( A
% 2.62/1.53              = ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(singletonprop_type,type,
% 2.62/1.53      singletonprop: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(singletonprop,definition,
% 2.62/1.53      ( singletonprop
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ! [Xy: $i] :
% 2.62/1.53                    ( ( in @ Xy @ A )
% 2.62/1.53                   => ( ( Xphi @ Xx )
% 2.62/1.53                     => ( ( Xphi @ Xy )
% 2.62/1.53                       => ( Xx = Xy ) ) ) ) )
% 2.62/1.53           => ( ? [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                  & ( Xphi @ Xx ) )
% 2.62/1.53             => ( singleton
% 2.62/1.53                @ ( dsetconstr @ A
% 2.62/1.53                  @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ex1_type,type,
% 2.62/1.53      ex1: $i > ( $i > $o ) > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ex1,definition,
% 2.62/1.53      ( ex1
% 2.62/1.53      = ( ^ [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( singleton
% 2.62/1.53            @ ( dsetconstr @ A
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ex1E1_type,type,
% 2.62/1.53      ex1E1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ex1E1,definition,
% 2.62/1.53      ( ex1E1
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ( ex1 @ A
% 2.62/1.53              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.62/1.53           => ? [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53                & ( Xphi @ Xx ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ex1I_type,type,
% 2.62/1.53      ex1I: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ex1I,definition,
% 2.62/1.53      ( ex1I
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.62/1.53            ( ( in @ Xx @ A )
% 2.62/1.53           => ( ( Xphi @ Xx )
% 2.62/1.53             => ( ! [Xy: $i] :
% 2.62/1.53                    ( ( in @ Xy @ A )
% 2.62/1.53                   => ( ( Xphi @ Xy )
% 2.62/1.53                     => ( Xy = Xx ) ) )
% 2.62/1.53               => ( ex1 @ A
% 2.62/1.53                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ex1I2_type,type,
% 2.62/1.53      ex1I2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ex1I2,definition,
% 2.62/1.53      ( ex1I2
% 2.62/1.53      = ( ! [A: $i,Xphi: $i > $o] :
% 2.62/1.53            ( ! [Xx: $i] :
% 2.62/1.53                ( ( in @ Xx @ A )
% 2.62/1.53               => ! [Xy: $i] :
% 2.62/1.53                    ( ( in @ Xy @ A )
% 2.62/1.53                   => ( ( Xphi @ Xx )
% 2.62/1.53                     => ( ( Xphi @ Xy )
% 2.62/1.53                       => ( Xx = Xy ) ) ) ) )
% 2.62/1.53           => ( ? [Xx: $i] :
% 2.62/1.53                  ( ( in @ Xx @ A )
% 2.62/1.53                  & ( Xphi @ Xx ) )
% 2.62/1.53             => ( ex1 @ A
% 2.62/1.53                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(singletonsuniq_type,type,
% 2.62/1.53      singletonsuniq: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(singletonsuniq,definition,
% 2.62/1.53      ( singletonsuniq
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( ( setadjoin @ Xx @ emptyset )
% 2.62/1.53              = ( setadjoin @ Xy @ emptyset ) )
% 2.62/1.53           => ( Xx = Xy ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(atmost1p_type,type,
% 2.62/1.53      atmost1p: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(atleast2p_type,type,
% 2.62/1.53      atleast2p: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(atmost2p_type,type,
% 2.62/1.53      atmost2p: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairsetp_type,type,
% 2.62/1.53      upairsetp: $i > $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjL1_type,type,
% 2.62/1.53      setukpairinjL1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjL1,definition,
% 2.62/1.53      ( setukpairinjL1
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 2.62/1.53            ( ( in @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) )
% 2.62/1.53           => ( Xx = Xz ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(kfstsingleton_type,type,
% 2.62/1.53      kfstsingleton: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(kfstsingleton,definition,
% 2.62/1.53      ( kfstsingleton
% 2.62/1.53      = ( ! [Xu: $i] :
% 2.62/1.53            ( ( iskpair @ Xu )
% 2.62/1.53           => ( singleton
% 2.62/1.53              @ ( dsetconstr @ ( setunion @ Xu )
% 2.62/1.53                @ ^ [Xx: $i] : ( in @ ( setadjoin @ Xx @ emptyset ) @ Xu ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(theprop_type,type,
% 2.62/1.53      theprop: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(theprop,definition,
% 2.62/1.53      ( theprop
% 2.62/1.53      = ( ! [X: $i] :
% 2.62/1.53            ( ( singleton @ X )
% 2.62/1.53           => ( in @ ( setunion @ X ) @ X ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(kfst_type,type,
% 2.62/1.53      kfst: $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(kfstpairEq_type,type,
% 2.62/1.53      kfstpairEq: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(kfstpairEq,definition,
% 2.62/1.53      ( kfstpairEq
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( kfst @ ( kpair @ Xx @ Xy ) )
% 2.62/1.53            = Xx ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodfstin_type,type,
% 2.62/1.53      cartprodfstin: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodfstin,definition,
% 2.62/1.53      ( cartprodfstin
% 2.62/1.53      = ( ! [A: $i,B: $i,Xu: $i] :
% 2.62/1.53            ( ( in @ Xu @ ( cartprod @ A @ B ) )
% 2.62/1.53           => ( in @ ( kfst @ Xu ) @ A ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjL2_type,type,
% 2.62/1.53      setukpairinjL2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjL2,definition,
% 2.62/1.53      ( setukpairinjL2
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 2.62/1.53            ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
% 2.62/1.53              = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
% 2.62/1.53           => ( Xx = Xz ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjL_type,type,
% 2.62/1.53      setukpairinjL: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjL,definition,
% 2.62/1.53      ( setukpairinjL
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 2.62/1.53            ( ( ( kpair @ Xx @ Xy )
% 2.62/1.53              = ( kpair @ Xz @ Xu ) )
% 2.62/1.53           => ( Xx = Xz ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR11_type,type,
% 2.62/1.53      setukpairinjR11: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR11,definition,
% 2.62/1.53      ( setukpairinjR11
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( Xx = Xy )
% 2.62/1.53           => ( ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.62/1.53              = ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR12_type,type,
% 2.62/1.53      setukpairinjR12: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR12,definition,
% 2.62/1.53      ( setukpairinjR12
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( Xx = Xy )
% 2.62/1.53           => ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
% 2.62/1.53              = ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ emptyset ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR1_type,type,
% 2.62/1.53      setukpairinjR1: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR1,definition,
% 2.62/1.53      ( setukpairinjR1
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 2.62/1.53            ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
% 2.62/1.53              = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
% 2.62/1.53           => ( ( Xz = Xu )
% 2.62/1.53             => ( Xy = Xu ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(upairequniteq_type,type,
% 2.62/1.53      upairequniteq: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(upairequniteq,definition,
% 2.62/1.53      ( upairequniteq
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 2.62/1.53            ( ( ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.62/1.53              = ( setadjoin @ Xz @ emptyset ) )
% 2.62/1.53           => ( Xx = Xy ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR2_type,type,
% 2.62/1.53      setukpairinjR2: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR2,definition,
% 2.62/1.53      ( setukpairinjR2
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 2.62/1.53            ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
% 2.62/1.53              = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
% 2.62/1.53           => ( Xy = Xu ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR_type,type,
% 2.62/1.53      setukpairinjR: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(setukpairinjR,definition,
% 2.62/1.53      ( setukpairinjR
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
% 2.62/1.53            ( ( ( kpair @ Xx @ Xy )
% 2.62/1.53              = ( kpair @ Xz @ Xu ) )
% 2.62/1.53           => ( Xy = Xu ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ksndsingleton_type,type,
% 2.62/1.53      ksndsingleton: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ksndsingleton,definition,
% 2.62/1.53      ( ksndsingleton
% 2.62/1.53      = ( ! [Xu: $i] :
% 2.62/1.53            ( ( iskpair @ Xu )
% 2.62/1.53           => ( singleton
% 2.62/1.53              @ ( dsetconstr @ ( setunion @ Xu )
% 2.62/1.53                @ ^ [Xx: $i] :
% 2.62/1.53                    ( Xu
% 2.62/1.53                    = ( kpair @ ( kfst @ Xu ) @ Xx ) ) ) ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(ksnd_type,type,
% 2.62/1.53      ksnd: $i > $i ).
% 2.62/1.53  
% 2.62/1.53  thf(ksndpairEq_type,type,
% 2.62/1.53      ksndpairEq: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(ksndpairEq,definition,
% 2.62/1.53      ( ksndpairEq
% 2.62/1.53      = ( ! [Xx: $i,Xy: $i] :
% 2.62/1.53            ( ( ksnd @ ( kpair @ Xx @ Xy ) )
% 2.62/1.53            = Xy ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(kpairsurjEq_type,type,
% 2.62/1.53      kpairsurjEq: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(kpairsurjEq,definition,
% 2.62/1.53      ( kpairsurjEq
% 2.62/1.53      = ( ! [Xu: $i] :
% 2.62/1.53            ( ( iskpair @ Xu )
% 2.62/1.53           => ( ( kpair @ ( kfst @ Xu ) @ ( ksnd @ Xu ) )
% 2.62/1.53              = Xu ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodsndin_type,type,
% 2.62/1.53      cartprodsndin: $o ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodsndin,definition,
% 2.62/1.53      ( cartprodsndin
% 2.62/1.53      = ( ! [A: $i,B: $i,Xu: $i] :
% 2.62/1.53            ( ( in @ Xu @ ( cartprod @ A @ B ) )
% 2.62/1.53           => ( in @ ( ksnd @ Xu ) @ B ) ) ) ) ).
% 2.62/1.53  
% 2.62/1.53  thf(cartprodpairmemEL,conjecture,
% 2.62/1.53      ( setextAx
% 2.62/1.53     => ( emptysetAx
% 2.62/1.53       => ( setadjoinAx
% 2.62/1.53         => ( powersetAx
% 2.62/1.53           => ( setunionAx
% 2.62/1.53             => ( omega0Ax
% 2.62/1.53               => ( omegaSAx
% 2.62/1.53                 => ( omegaIndAx
% 2.62/1.53                   => ( replAx
% 2.62/1.53                     => ( foundationAx
% 2.62/1.53                       => ( wellorderingAx
% 2.62/1.53                         => ( descrp
% 2.62/1.53                           => ( dsetconstrI
% 2.62/1.53                             => ( dsetconstrEL
% 2.62/1.53                               => ( dsetconstrER
% 2.62/1.53                                 => ( exuE1
% 2.62/1.53                                   => ( prop2setE
% 2.62/1.53                                     => ( emptysetE
% 2.62/1.53                                       => ( emptysetimpfalse
% 2.62/1.53                                         => ( notinemptyset
% 2.62/1.53                                           => ( exuE3e
% 2.62/1.53                                             => ( setext
% 2.62/1.53                                               => ( emptyI
% 2.62/1.53                                                 => ( noeltsimpempty
% 2.62/1.53                                                   => ( setbeta
% 2.62/1.53                                                     => ( nonemptyE1
% 2.62/1.53                                                       => ( nonemptyI
% 2.62/1.53                                                         => ( nonemptyI1
% 2.62/1.53                                                           => ( setadjoinIL
% 2.62/1.53                                                             => ( emptyinunitempty
% 2.62/1.53                                                               => ( setadjoinIR
% 2.62/1.53                                                                 => ( setadjoinE
% 2.62/1.53                                                                   => ( setadjoinOr
% 2.62/1.53                                                                     => ( setoftrueEq
% 2.62/1.53                                                                       => ( powersetI
% 2.62/1.53                                                                         => ( emptyinPowerset
% 2.62/1.53                                                                           => ( emptyInPowerset
% 2.62/1.53                                                                             => ( powersetE
% 2.62/1.53                                                                               => ( setunionI
% 2.62/1.53                                                                                 => ( setunionE
% 2.62/1.53                                                                                   => ( subPowSU
% 2.62/1.53                                                                                     => ( exuE2
% 2.62/1.53                                                                                       => ( nonemptyImpWitness
% 2.62/1.53                                                                                         => ( uniqinunit
% 2.62/1.53                                                                                           => ( notinsingleton
% 2.62/1.53                                                                                             => ( eqinunit
% 2.62/1.53                                                                                               => ( singletonsswitch
% 2.62/1.53                                                                                                 => ( upairsetE
% 2.62/1.53                                                                                                   => ( upairsetIL
% 2.62/1.53                                                                                                     => ( upairsetIR
% 2.62/1.53                                                                                                       => ( emptyE1
% 2.62/1.53                                                                                                         => ( vacuousDall
% 2.62/1.53                                                                                                           => ( quantDeMorgan1
% 2.62/1.53                                                                                                             => ( quantDeMorgan2
% 2.62/1.53                                                                                                               => ( quantDeMorgan3
% 2.62/1.53                                                                                                                 => ( quantDeMorgan4
% 2.62/1.53                                                                                                                   => ( prop2setI
% 2.62/1.53                                                                                                                     => ( prop2set2propI
% 2.62/1.53                                                                                                                       => ( notdexE
% 2.62/1.53                                                                                                                         => ( notdallE
% 2.62/1.53                                                                                                                           => ( exuI1
% 2.62/1.53                                                                                                                             => ( exuI3
% 2.62/1.53                                                                                                                               => ( exuI2
% 2.62/1.53                                                                                                                                 => ( inCongP
% 2.62/1.53                                                                                                                                   => ( in__Cong
% 2.62/1.53                                                                                                                                     => ( exuE3u
% 2.62/1.53                                                                                                                                       => ( exu__Cong
% 2.62/1.53                                                                                                                                         => ( emptyset__Cong
% 2.62/1.53                                                                                                                                           => ( setadjoin__Cong
% 2.62/1.53                                                                                                                                             => ( powerset__Cong
% 2.62/1.53                                                                                                                                               => ( setunion__Cong
% 2.62/1.53                                                                                                                                                 => ( omega__Cong
% 2.62/1.53                                                                                                                                                   => ( exuEu
% 2.62/1.53                                                                                                                                                     => ( descr__Cong
% 2.62/1.53                                                                                                                                                       => ( dsetconstr__Cong
% 2.62/1.53                                                                                                                                                         => ( subsetI1
% 2.62/1.53                                                                                                                                                           => ( eqimpsubset2
% 2.62/1.53                                                                                                                                                             => ( eqimpsubset1
% 2.62/1.53                                                                                                                                                               => ( subsetI2
% 2.62/1.53                                                                                                                                                                 => ( emptysetsubset
% 2.62/1.53                                                                                                                                                                   => ( subsetE
% 2.62/1.53                                                                                                                                                                     => ( subsetE2
% 2.62/1.53                                                                                                                                                                       => ( notsubsetI
% 2.62/1.53                                                                                                                                                                         => ( notequalI1
% 2.62/1.53                                                                                                                                                                           => ( notequalI2
% 2.62/1.53                                                                                                                                                                             => ( subsetRefl
% 2.62/1.53                                                                                                                                                                               => ( subsetTrans
% 2.62/1.53                                                                                                                                                                                 => ( setadjoinSub
% 2.62/1.53                                                                                                                                                                                   => ( setadjoinSub2
% 2.62/1.53                                                                                                                                                                                     => ( subset2powerset
% 2.62/1.53                                                                                                                                                                                       => ( setextsub
% 2.62/1.53                                                                                                                                                                                         => ( subsetemptysetimpeq
% 2.62/1.53                                                                                                                                                                                           => ( powersetI1
% 2.62/1.53                                                                                                                                                                                             => ( powersetE1
% 2.62/1.53                                                                                                                                                                                               => ( inPowerset
% 2.62/1.53                                                                                                                                                                                                 => ( powersetsubset
% 2.62/1.53                                                                                                                                                                                                   => ( sepInPowerset
% 2.62/1.53                                                                                                                                                                                                     => ( sepSubset
% 2.62/1.53                                                                                                                                                                                                       => ( binunionIL
% 2.62/1.53                                                                                                                                                                                                         => ( upairset2IR
% 2.62/1.53                                                                                                                                                                                                           => ( binunionIR
% 2.62/1.53                                                                                                                                                                                                             => ( binunionEcases
% 2.62/1.53                                                                                                                                                                                                               => ( binunionE
% 2.62/1.53                                                                                                                                                                                                                 => ( binunionLsub
% 2.62/1.53                                                                                                                                                                                                                   => ( binunionRsub
% 2.62/1.53                                                                                                                                                                                                                     => ( binintersectI
% 2.62/1.53                                                                                                                                                                                                                       => ( binintersectSubset5
% 2.62/1.53                                                                                                                                                                                                                         => ( binintersectEL
% 2.62/1.53                                                                                                                                                                                                                           => ( binintersectLsub
% 2.62/1.53                                                                                                                                                                                                                             => ( binintersectSubset2
% 2.62/1.53                                                                                                                                                                                                                               => ( binintersectSubset3
% 2.62/1.53                                                                                                                                                                                                                                 => ( binintersectER
% 2.62/1.53                                                                                                                                                                                                                                   => ( disjointsetsI1
% 2.62/1.53                                                                                                                                                                                                                                     => ( binintersectRsub
% 2.62/1.53                                                                                                                                                                                                                                       => ( binintersectSubset4
% 2.62/1.53                                                                                                                                                                                                                                         => ( binintersectSubset1
% 2.62/1.53                                                                                                                                                                                                                                           => ( bs114d
% 2.62/1.53                                                                                                                                                                                                                                             => ( setminusI
% 2.62/1.53                                                                                                                                                                                                                                               => ( setminusEL
% 2.62/1.53                                                                                                                                                                                                                                                 => ( setminusER
% 2.62/1.53                                                                                                                                                                                                                                                   => ( setminusSubset2
% 2.62/1.53                                                                                                                                                                                                                                                     => ( setminusERneg
% 2.62/1.53                                                                                                                                                                                                                                                       => ( setminusELneg
% 2.62/1.53                                                                                                                                                                                                                                                         => ( setminusILneg
% 2.62/1.53                                                                                                                                                                                                                                                           => ( setminusIRneg
% 2.62/1.53                                                                                                                                                                                                                                                             => ( setminusLsub
% 2.62/1.53                                                                                                                                                                                                                                                               => ( setminusSubset1
% 2.62/1.53                                                                                                                                                                                                                                                                 => ( symdiffE
% 2.62/1.53                                                                                                                                                                                                                                                                   => ( symdiffI1
% 2.62/1.53                                                                                                                                                                                                                                                                     => ( symdiffI2
% 2.62/1.53                                                                                                                                                                                                                                                                       => ( symdiffIneg1
% 2.62/1.53                                                                                                                                                                                                                                                                         => ( symdiffIneg2
% 2.62/1.53                                                                                                                                                                                                                                                                           => ( secondinupair
% 2.62/1.53                                                                                                                                                                                                                                                                             => ( setukpairIL
% 2.62/1.53                                                                                                                                                                                                                                                                               => ( setukpairIR
% 2.62/1.53                                                                                                                                                                                                                                                                                 => ( kpairiskpair
% 2.62/1.53                                                                                                                                                                                                                                                                                   => ( kpairp
% 2.62/1.53                                                                                                                                                                                                                                                                                     => ( singletonsubset
% 2.62/1.53                                                                                                                                                                                                                                                                                       => ( singletoninpowerset
% 2.62/1.53                                                                                                                                                                                                                                                                                         => ( singletoninpowunion
% 2.62/1.53                                                                                                                                                                                                                                                                                           => ( upairset2E
% 2.62/1.53                                                                                                                                                                                                                                                                                             => ( upairsubunion
% 2.62/1.53                                                                                                                                                                                                                                                                                               => ( upairinpowunion
% 2.62/1.53                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem1
% 2.62/1.53                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem2
% 2.62/1.53                                                                                                                                                                                                                                                                                                     => ( ubforcartprodlem3
% 2.62/1.53                                                                                                                                                                                                                                                                                                       => ( cartprodpairin
% 2.62/1.53                                                                                                                                                                                                                                                                                                         => ( cartprodmempair1
% 2.62/1.53                                                                                                                                                                                                                                                                                                           => ( cartprodmempair
% 2.62/1.53                                                                                                                                                                                                                                                                                                             => ( setunionE2
% 2.62/1.53                                                                                                                                                                                                                                                                                                               => ( setunionsingleton1
% 2.62/1.53                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton2
% 2.62/1.53                                                                                                                                                                                                                                                                                                                   => ( setunionsingleton
% 2.62/1.53                                                                                                                                                                                                                                                                                                                     => ( singletonprop
% 2.62/1.53                                                                                                                                                                                                                                                                                                                       => ( ex1E1
% 2.62/1.53                                                                                                                                                                                                                                                                                                                         => ( ex1I
% 2.62/1.53                                                                                                                                                                                                                                                                                                                           => ( ex1I2
% 2.62/1.53                                                                                                                                                                                                                                                                                                                             => ( singletonsuniq
% 2.62/1.53                                                                                                                                                                                                                                                                                                                               => ( setukpairinjL1
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                 => ( kfstsingleton
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                   => ( theprop
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                     => ( kfstpairEq
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                       => ( cartprodfstin
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL2
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjL
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR11
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR12
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                 => ( setukpairinjR1
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                   => ( upairequniteq
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR2
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjR
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                         => ( ksndsingleton
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                           => ( ksndpairEq
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                             => ( kpairsurjEq
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                               => ( cartprodsndin
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                                 => ! [A: $i,B: $i,Xx: $i,Xy: $i] :
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ ( kpair @ Xx @ Xy ) @ ( cartprod @ A @ B ) )
% 2.62/1.53                                                                                                                                                                                                                                                                                                                                                                     => ( in @ Xx @ A ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 2.62/1.53  ------------------------
% 2.62/1.55  % (8203)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/18Mi)
% 2.62/1.55  % (8200)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/2Mi)
% 2.62/1.55  % (8199)dis+1010_1:1_au=on:cbe=off:chr=on:fsr=off:hfsq=on:nm=64:sos=theory:sp=weighted_frequency:i=27:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/27Mi)
% 2.62/1.55  % (8198)lrs+10_1:1_c=on:cnfonf=conj_eager:fd=off:fe=off:kws=frequency:spb=intro:i=4:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/4Mi)
% 2.62/1.55  % (8202)lrs+1002_1:1_au=on:bd=off:e2e=on:sd=2:sos=on:ss=axioms:i=275:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/275Mi)
% 2.62/1.56  % (8200)Instruction limit reached!
% 2.62/1.56  % (8200)------------------------------
% 2.62/1.56  % (8200)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.56  % (8200)Termination reason: Unknown
% 2.62/1.56  % (8200)Termination phase: shuffling
% 2.62/1.56  
% 2.62/1.56  % (8200)Memory used [KB]: 1279
% 2.62/1.56  % (8200)Time elapsed: 0.002 s
% 2.62/1.56  % (8200)Instructions burned: 3 (million)
% 2.62/1.56  % (8200)------------------------------
% 2.62/1.56  % (8200)------------------------------
% 2.62/1.56  % (8201)lrs+1002_1:128_aac=none:au=on:cnfonf=lazy_not_gen_be_off:sos=all:i=2:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/2Mi)
% 2.62/1.56  % (8198)Instruction limit reached!
% 2.62/1.56  % (8198)------------------------------
% 2.62/1.56  % (8198)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.56  % (8198)Termination reason: Unknown
% 2.62/1.56  % (8198)Termination phase: shuffling
% 2.62/1.56  
% 2.62/1.56  % (8198)Memory used [KB]: 1407
% 2.62/1.56  % (8198)Time elapsed: 0.003 s
% 2.62/1.56  % (8198)Instructions burned: 6 (million)
% 2.62/1.56  % (8198)------------------------------
% 2.62/1.56  % (8198)------------------------------
% 2.62/1.56  % (8201)Instruction limit reached!
% 2.62/1.56  % (8201)------------------------------
% 2.62/1.56  % (8201)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.56  % (8201)Termination reason: Unknown
% 2.62/1.56  % (8201)Termination phase: shuffling
% 2.62/1.56  
% 2.62/1.56  % (8201)Memory used [KB]: 1279
% 2.62/1.56  % (8201)Time elapsed: 0.003 s
% 2.62/1.56  % (8201)Instructions burned: 2 (million)
% 2.62/1.56  % (8201)------------------------------
% 2.62/1.56  % (8201)------------------------------
% 2.62/1.56  % (8203)Instruction limit reached!
% 2.62/1.56  % (8203)------------------------------
% 2.62/1.56  % (8203)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.56  % (8203)Termination reason: Unknown
% 2.62/1.56  % (8203)Termination phase: Property scanning
% 2.62/1.56  
% 2.62/1.56  % (8203)Memory used [KB]: 1663
% 2.62/1.56  % (8203)Time elapsed: 0.007 s
% 2.62/1.56  % (8203)Instructions burned: 18 (million)
% 2.62/1.56  % (8203)------------------------------
% 2.62/1.56  % (8203)------------------------------
% 2.62/1.56  % (8197)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/183Mi)
% 2.62/1.56  % (8199)Instruction limit reached!
% 2.62/1.56  % (8199)------------------------------
% 2.62/1.56  % (8199)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.56  % (8199)Termination reason: Unknown
% 2.62/1.56  % (8199)Termination phase: shuffling
% 2.62/1.56  
% 2.62/1.56  % (8199)Memory used [KB]: 1791
% 2.62/1.56  % (8199)Time elapsed: 0.009 s
% 2.62/1.56  % (8199)Instructions burned: 27 (million)
% 2.62/1.56  % (8199)------------------------------
% 2.62/1.56  % (8199)------------------------------
% 2.62/1.57  % (8205)lrs+1002_1:1_cnfonf=lazy_not_be_gen:hud=14:prag=on:sp=weighted_frequency:tnu=1:i=37:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/37Mi)
% 2.62/1.57  % (8206)lrs+2_16:1_acc=model:au=on:bd=off:c=on:e2e=on:nm=2:sos=all:i=15:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/15Mi)
% 2.62/1.57  % (8208)lrs+1002_1:1_aac=none:au=on:cnfonf=lazy_gen:plsq=on:plsqc=1:plsqr=4203469,65536:i=1041:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/1041Mi)
% 2.62/1.57  % (8204)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/3Mi)
% 2.62/1.57  % (8204)Instruction limit reached!
% 2.62/1.57  % (8204)------------------------------
% 2.62/1.57  % (8204)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.57  % (8204)Termination reason: Unknown
% 2.62/1.57  % (8204)Termination phase: shuffling
% 2.62/1.57  
% 2.62/1.57  % (8204)Memory used [KB]: 1279
% 2.62/1.57  % (8204)Time elapsed: 0.004 s
% 2.62/1.57  % (8204)Instructions burned: 4 (million)
% 2.62/1.57  % (8204)------------------------------
% 2.62/1.57  % (8204)------------------------------
% 2.62/1.58  % (8205)Instruction limit reached!
% 2.62/1.58  % (8205)------------------------------
% 2.62/1.58  % (8205)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.58  % (8205)Termination reason: Unknown
% 2.62/1.58  % (8205)Termination phase: Property scanning
% 2.62/1.58  
% 2.62/1.58  % (8205)Memory used [KB]: 1791
% 2.62/1.58  % (8205)Time elapsed: 0.012 s
% 2.62/1.58  % (8205)Instructions burned: 37 (million)
% 2.62/1.58  % (8205)------------------------------
% 2.62/1.58  % (8205)------------------------------
% 2.62/1.58  % (8207)dis+21_1:1_cbe=off:cnfonf=off:fs=off:fsr=off:hud=1:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/3Mi)
% 2.62/1.58  % (8206)Instruction limit reached!
% 2.62/1.58  % (8206)------------------------------
% 2.62/1.58  % (8206)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.58  % (8206)Termination reason: Unknown
% 2.62/1.58  % (8206)Termination phase: Property scanning
% 2.62/1.58  
% 2.62/1.58  % (8206)Memory used [KB]: 1663
% 2.62/1.58  % (8206)Time elapsed: 0.011 s
% 2.62/1.58  % (8206)Instructions burned: 16 (million)
% 2.62/1.58  % (8206)------------------------------
% 2.62/1.58  % (8206)------------------------------
% 2.62/1.58  % (8207)Instruction limit reached!
% 2.62/1.58  % (8207)------------------------------
% 2.62/1.58  % (8207)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.58  % (8207)Termination reason: Unknown
% 2.62/1.58  % (8207)Termination phase: shuffling
% 2.62/1.58  
% 2.62/1.58  % (8207)Memory used [KB]: 1279
% 2.62/1.58  % (8207)Time elapsed: 0.003 s
% 2.62/1.58  % (8207)Instructions burned: 3 (million)
% 2.62/1.58  % (8207)------------------------------
% 2.62/1.58  % (8207)------------------------------
% 2.62/1.59  % (8210)lrs+10_1:1_acc=on:amm=sco:cs=on:tgt=full:i=16:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/16Mi)
% 2.62/1.59  % (8212)lrs+2_1:1_apa=on:au=on:bd=preordered:cnfonf=off:cs=on:ixr=off:sos=on:i=3:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/3Mi)
% 2.62/1.59  % (8212)Instruction limit reached!
% 2.62/1.59  % (8212)------------------------------
% 2.62/1.59  % (8212)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.59  % (8212)Termination reason: Unknown
% 2.62/1.59  % (8212)Termination phase: shuffling
% 2.62/1.59  
% 2.62/1.59  % (8212)Memory used [KB]: 1407
% 2.62/1.59  % (8212)Time elapsed: 0.003 s
% 2.62/1.59  % (8212)Instructions burned: 6 (million)
% 2.62/1.59  % (8212)------------------------------
% 2.62/1.59  % (8212)------------------------------
% 2.62/1.59  % (8209)lrs+10_1:1_av=off:chr=on:plsq=on:slsq=on:i=7:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/7Mi)
% 2.62/1.59  % (8211)lrs+21_1:1_au=on:cnfonf=off:fd=preordered:fe=off:fsr=off:hud=11:inj=on:kws=precedence:s2pl=no:sp=weighted_frequency:tgt=full:i=3:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/3Mi)
% 2.62/1.59  % (8210)Instruction limit reached!
% 2.62/1.59  % (8210)------------------------------
% 2.62/1.59  % (8210)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.59  % (8210)Termination reason: Unknown
% 2.62/1.59  % (8210)Termination phase: shuffling
% 2.62/1.59  
% 2.62/1.59  % (8210)Memory used [KB]: 1663
% 2.62/1.59  % (8210)Time elapsed: 0.006 s
% 2.62/1.59  % (8210)Instructions burned: 17 (million)
% 2.62/1.59  % (8210)------------------------------
% 2.62/1.59  % (8210)------------------------------
% 2.62/1.59  % (8209)Instruction limit reached!
% 2.62/1.59  % (8209)------------------------------
% 2.62/1.59  % (8209)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.59  % (8209)Termination reason: Unknown
% 2.62/1.59  % (8209)Termination phase: shuffling
% 2.62/1.59  
% 2.62/1.59  % (8209)Memory used [KB]: 1407
% 2.62/1.59  % (8209)Time elapsed: 0.004 s
% 2.62/1.59  % (8209)Instructions burned: 9 (million)
% 2.62/1.59  % (8209)------------------------------
% 2.62/1.59  % (8209)------------------------------
% 2.62/1.59  % (8211)Instruction limit reached!
% 2.62/1.59  % (8211)------------------------------
% 2.62/1.59  % (8211)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.62/1.59  % (8211)Termination reason: Unknown
% 2.62/1.59  % (8211)Termination phase: shuffling
% 2.62/1.59  
% 2.62/1.59  % (8211)Memory used [KB]: 1407
% 2.62/1.59  % (8211)Time elapsed: 0.003 s
% 2.62/1.59  % (8211)Instructions burned: 5 (million)
% 2.62/1.59  % (8211)------------------------------
% 2.62/1.59  % (8211)------------------------------
% 2.65/1.60  % (8216)lrs+10_1:1_cnfonf=off:cs=on:hud=3:prag=on:sup=off:i=7:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/7Mi)
% 2.65/1.60  % (8216)Instruction limit reached!
% 2.65/1.60  % (8216)------------------------------
% 2.65/1.60  % (8216)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.60  % (8216)Termination reason: Unknown
% 2.65/1.60  % (8216)Termination phase: shuffling
% 2.65/1.60  
% 2.65/1.60  % (8216)Memory used [KB]: 1407
% 2.65/1.60  % (8216)Time elapsed: 0.003 s
% 2.65/1.60  % (8216)Instructions burned: 8 (million)
% 2.65/1.60  % (8216)------------------------------
% 2.65/1.60  % (8216)------------------------------
% 2.65/1.60  % (8218)dis+1002_1:1_add=large:cnfonf=lazy_pi_sigma_gen:fe=off:prag=on:i=3:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/3Mi)
% 2.65/1.60  % (8219)dis+1004_1:1_cha=on:cs=on:fe=off:hud=1:i=4:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/4Mi)
% 2.65/1.60  % (8220)lrs+1002_1:1_anc=all_dependent:au=on:cbe=off:fde=unused:ntd=on:i=18:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/18Mi)
% 2.65/1.60  % (8218)Instruction limit reached!
% 2.65/1.60  % (8218)------------------------------
% 2.65/1.60  % (8218)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.60  % (8218)Termination reason: Unknown
% 2.65/1.60  % (8218)Termination phase: shuffling
% 2.65/1.60  
% 2.65/1.60  % (8218)Memory used [KB]: 1279
% 2.65/1.60  % (8218)Time elapsed: 0.003 s
% 2.65/1.60  % (8218)Instructions burned: 4 (million)
% 2.65/1.60  % (8218)------------------------------
% 2.65/1.60  % (8218)------------------------------
% 2.65/1.60  % (8219)Instruction limit reached!
% 2.65/1.60  % (8219)------------------------------
% 2.65/1.60  % (8219)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.60  % (8219)Termination reason: Unknown
% 2.65/1.60  % (8219)Termination phase: shuffling
% 2.65/1.60  
% 2.65/1.60  % (8219)Memory used [KB]: 1279
% 2.65/1.60  % (8219)Time elapsed: 0.003 s
% 2.65/1.60  % (8219)Instructions burned: 4 (million)
% 2.65/1.60  % (8219)------------------------------
% 2.65/1.60  % (8219)------------------------------
% 2.65/1.61  % (8220)Instruction limit reached!
% 2.65/1.61  % (8220)------------------------------
% 2.65/1.61  % (8220)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.61  % (8220)Termination reason: Unknown
% 2.65/1.61  % (8220)Termination phase: shuffling
% 2.65/1.61  
% 2.65/1.61  % (8220)Memory used [KB]: 1663
% 2.65/1.61  % (8220)Time elapsed: 0.007 s
% 2.65/1.61  % (8220)Instructions burned: 18 (million)
% 2.65/1.61  % (8220)------------------------------
% 2.65/1.61  % (8220)------------------------------
% 2.65/1.61  % (8225)lrs+10_1:1_e2e=on:sd=1:sgt=8:ss=axioms:i=710:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/710Mi)
% 2.65/1.61  % (8228)lrs+1004_1:1_chr=on:prag=on:i=6:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/6Mi)
% 2.65/1.61  % (8229)dis+1002_5:1_au=on:bd=off:e2e=on:fde=none:fs=off:fsr=off:sos=on:i=902:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/902Mi)
% 2.65/1.62  % (8228)Instruction limit reached!
% 2.65/1.62  % (8228)------------------------------
% 2.65/1.62  % (8228)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.62  % (8228)Termination reason: Unknown
% 2.65/1.62  % (8228)Termination phase: shuffling
% 2.65/1.62  
% 2.65/1.62  % (8228)Memory used [KB]: 1407
% 2.65/1.62  % (8228)Time elapsed: 0.004 s
% 2.65/1.62  % (8228)Instructions burned: 7 (million)
% 2.65/1.62  % (8228)------------------------------
% 2.65/1.62  % (8228)------------------------------
% 2.65/1.62  % (8231)dis+21_1:8_apa=on:cnfonf=off:fd=off:fsr=off:hud=0:ins=1:kws=inv_frequency:nwc=10.0:ss=axioms:st=5.0:i=21:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/21Mi)
% 2.65/1.62  % (8231)Instruction limit reached!
% 2.65/1.62  % (8231)------------------------------
% 2.65/1.62  % (8231)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.62  % (8231)Termination reason: Unknown
% 2.65/1.62  % (8231)Termination phase: shuffling
% 2.65/1.62  
% 2.65/1.62  % (8231)Memory used [KB]: 1791
% 2.65/1.62  % (8231)Time elapsed: 0.007 s
% 2.65/1.62  % (8231)Instructions burned: 21 (million)
% 2.65/1.62  % (8231)------------------------------
% 2.65/1.62  % (8231)------------------------------
% 2.65/1.63  % (8236)dis+10_1:1_cnfonf=lazy_gen:fe=off:i=5:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/5Mi)
% 2.65/1.63  % (8236)Instruction limit reached!
% 2.65/1.63  % (8236)------------------------------
% 2.65/1.63  % (8236)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.63  % (8236)Termination reason: Unknown
% 2.65/1.63  % (8236)Termination phase: shuffling
% 2.65/1.63  
% 2.65/1.63  % (8236)Memory used [KB]: 1407
% 2.65/1.63  % (8236)Time elapsed: 0.004 s
% 2.65/1.63  % (8236)Instructions burned: 8 (million)
% 2.65/1.63  % (8236)------------------------------
% 2.65/1.63  % (8236)------------------------------
% 2.65/1.63  % (8240)lrs+2_1:1_cnfonf=lazy_not_gen_be_off:cs=on:fe=off:hud=10:inj=on:ins=3:plsq=on:plsqc=1:sd=10:ss=axioms:tnu=1:i=6:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/6Mi)
% 2.65/1.64  % (8197)Instruction limit reached!
% 2.65/1.64  % (8197)------------------------------
% 2.65/1.64  % (8197)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.64  % (8197)Termination reason: Unknown
% 2.65/1.64  % (8197)Termination phase: Saturation
% 2.65/1.64  
% 2.65/1.64  % (8197)Memory used [KB]: 7547
% 2.65/1.64  % (8197)Time elapsed: 0.078 s
% 2.65/1.64  % (8197)Instructions burned: 184 (million)
% 2.65/1.64  % (8197)------------------------------
% 2.65/1.64  % (8197)------------------------------
% 2.65/1.64  % (8240)Instruction limit reached!
% 2.65/1.64  % (8240)------------------------------
% 2.65/1.64  % (8240)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.64  % (8240)Termination reason: Unknown
% 2.65/1.64  % (8240)Termination phase: shuffling
% 2.65/1.64  
% 2.65/1.64  % (8240)Memory used [KB]: 1407
% 2.65/1.64  % (8240)Time elapsed: 0.003 s
% 2.65/1.64  % (8240)Instructions burned: 7 (million)
% 2.65/1.64  % (8240)------------------------------
% 2.65/1.64  % (8240)------------------------------
% 2.65/1.64  % (8243)lrs+1002_1:128_au=on:c=on:fsr=off:piset=equals:i=377:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/377Mi)
% 2.65/1.64  % (8202)Instruction limit reached!
% 2.65/1.64  % (8202)------------------------------
% 2.65/1.64  % (8202)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.64  % (8202)Termination reason: Unknown
% 2.65/1.64  % (8202)Termination phase: Saturation
% 2.65/1.64  
% 2.65/1.64  % (8202)Memory used [KB]: 8315
% 2.65/1.64  % (8202)Time elapsed: 0.091 s
% 2.65/1.64  % (8202)Instructions burned: 277 (million)
% 2.65/1.64  % (8202)------------------------------
% 2.65/1.64  % (8202)------------------------------
% 2.65/1.65  % (8248)lrs+10_1:1_cnfonf=lazy_not_be_gen:ntd=on:sp=const_min:ss=axioms:sup=off:i=19:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/19Mi)
% 2.65/1.65  % (8248)Instruction limit reached!
% 2.65/1.65  % (8248)------------------------------
% 2.65/1.65  % (8248)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.65  % (8248)Termination reason: Unknown
% 2.65/1.65  % (8248)Termination phase: shuffling
% 2.65/1.65  
% 2.65/1.65  % (8248)Memory used [KB]: 1663
% 2.65/1.65  % (8248)Time elapsed: 0.008 s
% 2.65/1.65  % (8248)Instructions burned: 21 (million)
% 2.65/1.65  % (8248)------------------------------
% 2.65/1.65  % (8248)------------------------------
% 2.65/1.65  % (8247)dis+1010_1:4_atotf=0.2:c=on:cbe=off:cnfonf=lazy_simp:fe=off:ins=2:ntd=on:s2a=on:s2at=5.0:sgt=5:ss=axioms:st=1.5:i=779:si=on:rtra=on_0 on DTF2THF_8003 for (2999ds/779Mi)
% 2.65/1.65  % (8252)lrs+1010_1:1_au=on:s2a=on:sd=1:sgt=50:ss=axioms:i=879:si=on:rtra=on_0 on DTF2THF_8003 for (2998ds/879Mi)
% 2.65/1.66  % (8256)dis+1002_1:128_acc=on:er=filter:i=17:si=on:rtra=on_0 on DTF2THF_8003 for (2998ds/17Mi)
% 2.65/1.67  % (8256)Instruction limit reached!
% 2.65/1.67  % (8256)------------------------------
% 2.65/1.67  % (8256)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.67  % (8256)Termination reason: Unknown
% 2.65/1.67  % (8256)Termination phase: shuffling
% 2.65/1.67  
% 2.65/1.67  % (8256)Memory used [KB]: 1663
% 2.65/1.67  % (8256)Time elapsed: 0.008 s
% 2.65/1.67  % (8256)Instructions burned: 17 (million)
% 2.65/1.67  % (8256)------------------------------
% 2.65/1.67  % (8256)------------------------------
% 2.65/1.68  % (8266)ott+21_1:1_apa=on:au=on:cnfonf=off:sos=on:i=3:si=on:rtra=on_0 on DTF2THF_8003 for (2998ds/3Mi)
% 2.65/1.68  % (8266)Instruction limit reached!
% 2.65/1.68  % (8266)------------------------------
% 2.65/1.68  % (8266)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.68  % (8266)Termination reason: Unknown
% 2.65/1.68  % (8266)Termination phase: shuffling
% 2.65/1.68  
% 2.65/1.68  % (8266)Memory used [KB]: 1279
% 2.65/1.68  % (8266)Time elapsed: 0.002 s
% 2.65/1.68  % (8266)Instructions burned: 3 (million)
% 2.65/1.68  % (8266)------------------------------
% 2.65/1.68  % (8266)------------------------------
% 2.65/1.69  % (8270)lrs+1010_1:8_cnfonf=off:hud=1:inj=on:tnu=5:i=30:si=on:rtra=on_0 on DTF2THF_8003 for (2998ds/30Mi)
% 2.65/1.70  % (8270)Instruction limit reached!
% 2.65/1.70  % (8270)------------------------------
% 2.65/1.70  % (8270)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.70  % (8270)Termination reason: Unknown
% 2.65/1.70  % (8270)Termination phase: Property scanning
% 2.65/1.70  
% 2.65/1.70  % (8270)Memory used [KB]: 1918
% 2.65/1.70  % (8270)Time elapsed: 0.010 s
% 2.65/1.70  % (8270)Instructions burned: 31 (million)
% 2.65/1.70  % (8270)------------------------------
% 2.65/1.70  % (8270)------------------------------
% 2.65/1.71  % (8279)dis+10_1:1_ixr=off:plsq=on:plsqc=1:plsqr=32,1:s2a=on:i=127:si=on:rtra=on_0 on DTF2THF_8003 for (2998ds/127Mi)
% 2.65/1.73  % (8229)First to succeed.
% 2.65/1.73  % (8229)Refutation found. Thanks to Tanya!
% 2.65/1.73  % SZS status Theorem for DTF2THF_8003
% 2.65/1.73  % SZS output start Proof for DTF2THF_8003
% 2.65/1.73  thf(func_def_0, type, in: $i > $i > $o).
% 2.65/1.73  thf(func_def_1, type, exu: ($i > $o) > $o).
% 2.65/1.73  thf(func_def_6, type, setadjoin: $i > $i > $i).
% 2.65/1.73  thf(func_def_8, type, powerset: $i > $i).
% 2.65/1.73  thf(func_def_10, type, setunion: $i > $i).
% 2.65/1.73  thf(func_def_19, type, descr: ($i > $o) > $i).
% 2.65/1.73  thf(func_def_21, type, dsetconstr: $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_26, type, prop2set: $o > $i).
% 2.65/1.73  thf(func_def_36, type, nonempty: $i > $o).
% 2.65/1.73  thf(func_def_69, type, set2prop: $i > $o).
% 2.65/1.73  thf(func_def_88, type, subset: $i > $i > $o).
% 2.65/1.73  thf(func_def_89, type, disjoint: $i > $i > $o).
% 2.65/1.73  thf(func_def_90, type, setsmeet: $i > $i > $o).
% 2.65/1.73  thf(func_def_114, type, binunion: $i > $i > $i).
% 2.65/1.73  thf(func_def_122, type, binintersect: $i > $i > $i).
% 2.65/1.73  thf(func_def_135, type, regular: $i > $o).
% 2.65/1.73  thf(func_def_136, type, setminus: $i > $i > $i).
% 2.65/1.73  thf(func_def_147, type, symdiff: $i > $i > $i).
% 2.65/1.73  thf(func_def_153, type, iskpair: $i > $o).
% 2.65/1.73  thf(func_def_158, type, kpair: $i > $i > $i).
% 2.65/1.73  thf(func_def_160, type, cartprod: $i > $i > $i).
% 2.65/1.73  thf(func_def_177, type, singleton: $i > $o).
% 2.65/1.73  thf(func_def_179, type, ex1: $i > ($i > $o) > $o).
% 2.65/1.73  thf(func_def_184, type, atmost1p: $i > $o).
% 2.65/1.73  thf(func_def_185, type, atleast2p: $i > $o).
% 2.65/1.73  thf(func_def_186, type, atmost2p: $i > $o).
% 2.65/1.73  thf(func_def_187, type, upairsetp: $i > $o).
% 2.65/1.73  thf(func_def_191, type, kfst: $i > $i).
% 2.65/1.73  thf(func_def_203, type, ksnd: $i > $i).
% 2.65/1.73  thf(func_def_221, type, sP2: $i > $o > $i > $i > $o).
% 2.65/1.73  thf(func_def_223, type, sP4: $i > $i > $o).
% 2.65/1.73  thf(func_def_224, type, sP5: $i > $o).
% 2.65/1.73  thf(func_def_225, type, sP6: $i > $i > $o).
% 2.65/1.73  thf(func_def_226, type, sP7: $i > $i > $o).
% 2.65/1.73  thf(func_def_232, type, sK13: $i > $o).
% 2.65/1.73  thf(func_def_235, type, sK16: $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_241, type, sK22: $i > $i).
% 2.65/1.73  thf(func_def_252, type, sK33: $i > $o).
% 2.65/1.73  thf(func_def_258, type, sK39: $i > $o).
% 2.65/1.73  thf(func_def_259, type, sK40: $i > $o).
% 2.65/1.73  thf(func_def_260, type, sK41: ($i > $o) > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_261, type, sK42: ($i > $o) > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_262, type, sK43: $i > $i > $i).
% 2.65/1.73  thf(func_def_267, type, sK48: $i > $i > $i > $i).
% 2.65/1.73  thf(func_def_268, type, sK49: $i > $i > $i > $i).
% 2.65/1.73  thf(func_def_273, type, sK54: $i > $o).
% 2.65/1.73  thf(func_def_282, type, sK63: $i > $i > $i).
% 2.65/1.73  thf(func_def_286, type, sK67: $i > $i > $o).
% 2.65/1.73  thf(func_def_287, type, sK68: $i > $i).
% 2.65/1.73  thf(func_def_288, type, sK69: $i > $i).
% 2.65/1.73  thf(func_def_289, type, sK70: ($i > $i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_290, type, sK71: $i > ($i > $i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_291, type, sK72: ($i > $i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_292, type, sK73: $i > $i > $i).
% 2.65/1.73  thf(func_def_325, type, sK106: $i > $i > $i).
% 2.65/1.73  thf(func_def_326, type, sK107: $i > $i > $i).
% 2.65/1.73  thf(func_def_343, type, sK124: $i > $o).
% 2.65/1.73  thf(func_def_346, type, sK127: $i > $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_347, type, sK128: ($i > $o) > $i).
% 2.65/1.73  thf(func_def_348, type, sK129: $i > $o).
% 2.65/1.73  thf(func_def_366, type, sK147: $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_367, type, sK148: $i > $o).
% 2.65/1.73  thf(func_def_392, type, sK173: $i > $o).
% 2.65/1.73  thf(func_def_401, type, sK182: $i > $i).
% 2.65/1.73  thf(func_def_408, type, sK189: $i > $i > $i).
% 2.65/1.73  thf(func_def_416, type, sK197: $i > $o).
% 2.65/1.73  thf(func_def_418, type, sK199: $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_421, type, sK202: $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_422, type, sK203: $i > $o).
% 2.65/1.73  thf(func_def_431, type, sK212: $i > $o).
% 2.65/1.73  thf(func_def_432, type, sK213: $i > $o).
% 2.65/1.73  thf(func_def_433, type, sK214: ($i > $o) > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_434, type, sK215: ($i > $o) > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_440, type, sK221: $i > $o).
% 2.65/1.73  thf(func_def_442, type, sK223: ($i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_443, type, sK224: ($i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_445, type, sK226: $i > $i).
% 2.65/1.73  thf(func_def_447, type, sK228: $i > $i).
% 2.65/1.73  thf(func_def_459, type, sK240: ($i > $o) > ($i > $o) > $i > $i > $i).
% 2.65/1.73  thf(func_def_460, type, sK241: ($i > $o) > ($i > $o) > $i > $i > $i).
% 2.65/1.73  thf(func_def_463, type, sK244: $i > $o).
% 2.65/1.73  thf(func_def_464, type, sK245: $i > $o).
% 2.65/1.73  thf(func_def_469, type, sK250: ($i > $o) > $i).
% 2.65/1.73  thf(func_def_470, type, sK251: $i > $o).
% 2.65/1.73  thf(func_def_471, type, sK252: $i > $i).
% 2.65/1.73  thf(func_def_476, type, sK257: $i > $o).
% 2.65/1.73  thf(func_def_479, type, sK260: $i > $o).
% 2.65/1.73  thf(func_def_487, type, sK268: $i > $o).
% 2.65/1.73  thf(func_def_495, type, sK276: $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_496, type, sK277: $i > $o).
% 2.65/1.73  thf(func_def_509, type, sK290: $o > $i > $i > $i).
% 2.65/1.73  thf(func_def_513, type, sK294: $i > $o).
% 2.65/1.73  thf(func_def_516, type, sK297: $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_528, type, sK309: $i > $i > $i).
% 2.65/1.73  thf(func_def_552, type, sK333: $i > $i).
% 2.65/1.73  thf(func_def_554, type, sK335: $i > $o).
% 2.65/1.73  thf(func_def_562, type, sK343: $i > $o).
% 2.65/1.73  thf(func_def_577, type, sK358: $i > $i).
% 2.65/1.73  thf(func_def_578, type, sK359: $i > ($i > $o) > $i).
% 2.65/1.73  thf(func_def_579, type, sK360: $i > $o).
% 2.65/1.73  thf(func_def_583, type, sK364: $i > $o).
% 2.65/1.73  thf(func_def_595, type, sK376: $i > $o).
% 2.65/1.73  thf(func_def_597, type, sK378: ($i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_598, type, sK379: ($i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_599, type, sK380: ($i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_601, type, sK382: $i > $o).
% 2.65/1.73  thf(func_def_612, type, sK393: ($i > $o) > $i > $i).
% 2.65/1.73  thf(func_def_614, type, sK395: $i > $o).
% 2.65/1.73  thf(func_def_618, type, sK399: $i > $i > $i).
% 2.65/1.73  thf(func_def_629, type, sK410: $i > $o).
% 2.65/1.73  thf(func_def_638, type, sK419: ($i > $o) > $i).
% 2.65/1.73  thf(func_def_639, type, sK420: ($i > $o) > $i).
% 2.65/1.73  thf(func_def_640, type, sK421: $i > $o).
% 2.65/1.73  thf(func_def_642, type, sK423: ($i > $o) > $i).
% 2.65/1.73  thf(func_def_643, type, sK424: $i > $o).
% 2.65/1.73  thf(func_def_644, type, sK425: $i > $i).
% 2.65/1.73  thf(func_def_649, type, sK430: $i > $i > $i).
% 2.65/1.73  thf(func_def_675, type, sK456: $i > $o).
% 2.65/1.73  thf(func_def_678, type, sK459: $i > $i > $i).
% 2.65/1.73  thf(func_def_679, type, sK460: $i > $i > $i).
% 2.65/1.73  thf(func_def_680, type, sK461: $i > $i > $i).
% 2.65/1.73  thf(func_def_681, type, sK462: $i > $i > $i).
% 2.65/1.73  thf(func_def_682, type, sK463: $i > $i > $i).
% 2.65/1.73  thf(func_def_683, type, sK464: $i > $i > $i > $i).
% 2.65/1.73  thf(func_def_684, type, sK465: $i > $i).
% 2.65/1.73  thf(func_def_685, type, sK466: $i > $i).
% 2.65/1.73  thf(func_def_686, type, sK467: $i > $i).
% 2.65/1.73  thf(func_def_687, type, sK468: $i > $i).
% 2.65/1.73  thf(func_def_688, type, sK469: $i > $i > $i > $i).
% 2.65/1.73  thf(func_def_689, type, sK470: $i > $i > $i > $i).
% 2.65/1.73  thf(func_def_690, type, sK471: $i > $i > $i).
% 2.65/1.73  thf(func_def_691, type, sK472: $i > $i > $i).
% 2.65/1.73  thf(func_def_692, type, sK473: $i > $i > $i).
% 2.65/1.73  thf(func_def_694, type, sK475: $i > $i).
% 2.65/1.73  thf(func_def_695, type, sK476: $i > $i).
% 2.65/1.73  thf(func_def_696, type, sK477: $i > $i).
% 2.65/1.73  thf(func_def_699, type, sK480: $i > $o).
% 2.65/1.73  thf(func_def_701, type, sK482: $i > $i).
% 2.65/1.73  thf(func_def_705, type, sK486: $i > $i > $i).
% 2.65/1.73  thf(func_def_710, type, ph491: !>[X0: $tType]:(X0)).
% 2.65/1.73  thf(f3945,plain,(
% 2.65/1.73    $false),
% 2.65/1.73    inference(avatar_sat_refutation,[status(thm)],[f3939,f3944])).
% 2.65/1.73  thf(f3944,plain,(
% 2.65/1.73    spl490_19),
% 2.65/1.73    inference(avatar_split_clause,[status(thm)],[f2790,f3241])).
% 2.65/1.73  thf(f3241,definition,(
% 2.65/1.73    spl490_19 <=> ($true = (in @ sK300 @ sK299))),
% 2.65/1.73    introduced(definition,[new_symbols(naming,[spl490_19])],[avatar_definition])).
% 2.65/1.73  thf(f2790,plain,(
% 2.65/1.73    ($true = (in @ sK300 @ sK299))),
% 2.65/1.73    inference(trivial_inequality_removal,[status(thm)],[f2789])).
% 2.65/1.73  thf(f2789,plain,(
% 2.65/1.73    ($true != $true) | ($true = (in @ sK300 @ sK299))),
% 2.65/1.73    inference(forward_demodulation,[status(thm)],[f2784,f2048])).
% 2.65/1.73  thf(f2048,plain,(
% 2.65/1.73    (kfstpairEq = $true)),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f1237])).
% 2.65/1.73  thf(f1237,plain,(
% 2.65/1.73    (cartprodmempair1 = $true) & (ex1E1 = $true) & (setunionI = $true) & (prop2set2propI = $true) & (setextAx = $true) & (emptyinunitempty = $true) & (powersetsubset = $true) & (setunionsingleton2 = $true) & (emptysetE = $true) & (subsetRefl = $true) & (nonemptyImpWitness = $true) & (exu__Cong = $true) & (notsubsetI = $true) & (binintersectLsub = $true) & (symdiffI2 = $true) & (eqimpsubset1 = $true) & (setadjoinIL = $true) & (setukpairinjR11 = $true) & (exuE3e = $true) & (powersetE1 = $true) & (setukpairinjL2 = $true) & (replAx = $true) & (symdiffI1 = $true) & (setukpairinjR12 = $true) & (emptysetsubset = $true) & (bs114d = $true) & (powersetE = $true) & (notdallE = $true) & (binintersectSubset4 = $true) & (singletonsswitch = $true) & (ksndsingleton = $true) & (setadjoin__Cong = $true) & (binintersectER = $true) & (eqimpsubset2 = $true) & (quantDeMorgan4 = $true) & (subsetI2 = $true) & (setunionAx = $true) & (exuI2 = $true) & (singletonprop = $true) & (exuE2 = $true) & (setunion__Cong = $true) & (inCongP = $true) & (setadjoinOr = $true) & (powerset__Cong = $true) & (setadjoinAx = $true) & (binunionRsub = $true) & (sepInPowerset = $true) & (cartprodfstin = $true) & (ex1I = $true) & (notinsingleton = $true) & (exuE1 = $true) & (inPowerset = $true) & (exuI1 = $true) & (setminusERneg = $true) & (exuEu = $true) & (singletoninpowunion = $true) & (descrp = $true) & (omega0Ax = $true) & (secondinupair = $true) & (kpairp = $true) & (quantDeMorgan1 = $true) & (omega__Cong = $true) & (dsetconstrEL = $true) & (foundationAx = $true) & (prop2setI = $true) & (cartprodmempair = $true) & (theprop = $true) & (uniqinunit = $true) & (eqinunit = $true) & (binintersectSubset3 = $true) & (binunionIL = $true) & (symdiffE = $true) & (setminusLsub = $true) & (emptysetAx = $true) & (setadjoinE = $true) & (setukpairinjL = $true) & (setminusSubset2 = $true) & (in__Cong = $true) & (cartprodpairin = $true) & (quantDeMorgan3 = $true) & (prop2setE = $true) & (binunionEcases = $true) & (setoftrueEq = $true) & (notinemptyset = $true) & (kpairsurjEq = $true) & (ubforcartprodlem2 = $true) & (ubforcartprodlem3 = $true) & (setadjoinSub = $true) & (emptysetimpfalse = $true) & (emptyset__Cong = $true) & (kfstpairEq = $true) & (nonemptyI = $true) & (setunionE = $true) & (sepSubset = $true) & (kpairiskpair = $true) & (upairsubunion = $true) & (setminusER = $true) & (quantDeMorgan2 = $true) & (emptyinPowerset = $true) & (descr__Cong = $true) & (emptyInPowerset = $true) & (upairsetIR = $true) & (setukpairIL = $true) & (kfstsingleton = $true) & (dsetconstrER = $true) & (exuI3 = $true) & (vacuousDall = $true) & (powersetAx = $true) & (upairset2E = $true) & (notequalI1 = $true) & (omegaIndAx = $true) & (binunionIR = $true) & (subPowSU = $true) & (exuE3u = $true) & (($true = (in @ (kpair @ sK300 @ sK301) @ (cartprod @ sK299 @ sK298))) & ($true != (in @ sK300 @ sK299))) & (noeltsimpempty = $true) & (setunionsingleton = $true) & (powersetI = $true) & (powersetI1 = $true) & (binintersectI = $true) & (setminusSubset1 = $true) & (upairinpowunion = $true) & (cartprodsndin = $true) & (binintersectSubset2 = $true) & (singletonsubset = $true) & (setextsub = $true) & (binintersectSubset5 = $true) & (setbeta = $true) & (ex1I2 = $true) & (dsetconstrI = $true) & (subsetE = $true) & (notdexE = $true) & (setminusILneg = $true) & (symdiffIneg2 = $true) & (disjointsetsI1 = $true) & (setunionE2 = $true) & (setminusELneg = $true) & (subsetTrans = $true) & (binunionE = $true) & (setukpairinjL1 = $true) & (ksndpairEq = $true) & (setukpairinjR2 = $true) & (setunionsingleton1 = $true) & (subsetemptysetimpeq = $true) & (subsetE2 = $true) & (binintersectEL = $true) & (dsetconstr__Cong = $true) & (setext = $true) & (upairset2IR = $true) & (setukpairIR = $true) & (ubforcartprodlem1 = $true) & (nonemptyE1 = $true) & (singletoninpowerset = $true) & (binintersectRsub = $true) & (setminusEL = $true) & (binunionLsub = $true) & (notequalI2 = $true) & (upairsetE = $true) & (setadjoinIR = $true) & (setminusI = $true) & (omegaSAx = $true) & (setminusIRneg = $true) & (symdiffIneg1 = $true) & (setadjoinSub2 = $true) & (subset2powerset = $true) & (setukpairinjR1 = $true) & (singletonsuniq = $true) & (emptyE1 = $true) & (setukpairinjR = $true) & (subsetI1 = $true) & (upairequniteq = $true) & (upairsetIL = $true) & (wellorderingAx = $true) & (emptyI = $true) & (binintersectSubset1 = $true) & (nonemptyI1 = $true)),
% 2.65/1.73    inference(skolemisation,[status(esa),new_symbols(skolem,[sK298,sK299,sK300,sK301])],[f608,f1236])).
% 2.65/1.73  thf(f1236,plain,(
% 2.65/1.73    ? [X0 : $i,X1 : $i,X2 : $i,X3 : $i] : (($true = (in @ (kpair @ X2 @ X3) @ (cartprod @ X1 @ X0))) & ($true != (in @ X2 @ X1))) => (($true = (in @ (kpair @ sK300 @ sK301) @ (cartprod @ sK299 @ sK298))) & ($true != (in @ sK300 @ sK299)))),
% 2.65/1.73    introduced(definition,[],[choice_axiom])).
% 2.65/1.73  thf(f608,plain,(
% 2.65/1.73    (cartprodmempair1 = $true) & (ex1E1 = $true) & (setunionI = $true) & (prop2set2propI = $true) & (setextAx = $true) & (emptyinunitempty = $true) & (powersetsubset = $true) & (setunionsingleton2 = $true) & (emptysetE = $true) & (subsetRefl = $true) & (nonemptyImpWitness = $true) & (exu__Cong = $true) & (notsubsetI = $true) & (binintersectLsub = $true) & (symdiffI2 = $true) & (eqimpsubset1 = $true) & (setadjoinIL = $true) & (setukpairinjR11 = $true) & (exuE3e = $true) & (powersetE1 = $true) & (setukpairinjL2 = $true) & (replAx = $true) & (symdiffI1 = $true) & (setukpairinjR12 = $true) & (emptysetsubset = $true) & (bs114d = $true) & (powersetE = $true) & (notdallE = $true) & (binintersectSubset4 = $true) & (singletonsswitch = $true) & (ksndsingleton = $true) & (setadjoin__Cong = $true) & (binintersectER = $true) & (eqimpsubset2 = $true) & (quantDeMorgan4 = $true) & (subsetI2 = $true) & (setunionAx = $true) & (exuI2 = $true) & (singletonprop = $true) & (exuE2 = $true) & (setunion__Cong = $true) & (inCongP = $true) & (setadjoinOr = $true) & (powerset__Cong = $true) & (setadjoinAx = $true) & (binunionRsub = $true) & (sepInPowerset = $true) & (cartprodfstin = $true) & (ex1I = $true) & (notinsingleton = $true) & (exuE1 = $true) & (inPowerset = $true) & (exuI1 = $true) & (setminusERneg = $true) & (exuEu = $true) & (singletoninpowunion = $true) & (descrp = $true) & (omega0Ax = $true) & (secondinupair = $true) & (kpairp = $true) & (quantDeMorgan1 = $true) & (omega__Cong = $true) & (dsetconstrEL = $true) & (foundationAx = $true) & (prop2setI = $true) & (cartprodmempair = $true) & (theprop = $true) & (uniqinunit = $true) & (eqinunit = $true) & (binintersectSubset3 = $true) & (binunionIL = $true) & (symdiffE = $true) & (setminusLsub = $true) & (emptysetAx = $true) & (setadjoinE = $true) & (setukpairinjL = $true) & (setminusSubset2 = $true) & (in__Cong = $true) & (cartprodpairin = $true) & (quantDeMorgan3 = $true) & (prop2setE = $true) & (binunionEcases = $true) & (setoftrueEq = $true) & (notinemptyset = $true) & (kpairsurjEq = $true) & (ubforcartprodlem2 = $true) & (ubforcartprodlem3 = $true) & (setadjoinSub = $true) & (emptysetimpfalse = $true) & (emptyset__Cong = $true) & (kfstpairEq = $true) & (nonemptyI = $true) & (setunionE = $true) & (sepSubset = $true) & (kpairiskpair = $true) & (upairsubunion = $true) & (setminusER = $true) & (quantDeMorgan2 = $true) & (emptyinPowerset = $true) & (descr__Cong = $true) & (emptyInPowerset = $true) & (upairsetIR = $true) & (setukpairIL = $true) & (kfstsingleton = $true) & (dsetconstrER = $true) & (exuI3 = $true) & (vacuousDall = $true) & (powersetAx = $true) & (upairset2E = $true) & (notequalI1 = $true) & (omegaIndAx = $true) & (binunionIR = $true) & (subPowSU = $true) & (exuE3u = $true) & ? [X0 : $i,X1 : $i,X2 : $i,X3 : $i] : (($true = (in @ (kpair @ X2 @ X3) @ (cartprod @ X1 @ X0))) & ($true != (in @ X2 @ X1))) & (noeltsimpempty = $true) & (setunionsingleton = $true) & (powersetI = $true) & (powersetI1 = $true) & (binintersectI = $true) & (setminusSubset1 = $true) & (upairinpowunion = $true) & (cartprodsndin = $true) & (binintersectSubset2 = $true) & (singletonsubset = $true) & (setextsub = $true) & (binintersectSubset5 = $true) & (setbeta = $true) & (ex1I2 = $true) & (dsetconstrI = $true) & (subsetE = $true) & (notdexE = $true) & (setminusILneg = $true) & (symdiffIneg2 = $true) & (disjointsetsI1 = $true) & (setunionE2 = $true) & (setminusELneg = $true) & (subsetTrans = $true) & (binunionE = $true) & (setukpairinjL1 = $true) & (ksndpairEq = $true) & (setukpairinjR2 = $true) & (setunionsingleton1 = $true) & (subsetemptysetimpeq = $true) & (subsetE2 = $true) & (binintersectEL = $true) & (dsetconstr__Cong = $true) & (setext = $true) & (upairset2IR = $true) & (setukpairIR = $true) & (ubforcartprodlem1 = $true) & (nonemptyE1 = $true) & (singletoninpowerset = $true) & (binintersectRsub = $true) & (setminusEL = $true) & (binunionLsub = $true) & (notequalI2 = $true) & (upairsetE = $true) & (setadjoinIR = $true) & (setminusI = $true) & (omegaSAx = $true) & (setminusIRneg = $true) & (symdiffIneg1 = $true) & (setadjoinSub2 = $true) & (subset2powerset = $true) & (setukpairinjR1 = $true) & (singletonsuniq = $true) & (emptyE1 = $true) & (setukpairinjR = $true) & (subsetI1 = $true) & (upairequniteq = $true) & (upairsetIL = $true) & (wellorderingAx = $true) & (emptyI = $true) & (binintersectSubset1 = $true) & (nonemptyI1 = $true)),
% 2.65/1.73    inference(flattening,[status(thm)],[f607])).
% 2.65/1.73  thf(f607,plain,(
% 2.65/1.73    ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((? [X0 : $i,X1 : $i,X2 : $i,X3 : $i] : (($true = (in @ (kpair @ X2 @ X3) @ (cartprod @ X1 @ X0))) & ($true != (in @ X2 @ X1))) & (cartprodsndin = $true)) & (kpairsurjEq = $true)) & (ksndpairEq = $true)) & (ksndsingleton = $true)) & (setukpairinjR = $true)) & (setukpairinjR2 = $true)) & (upairequniteq = $true)) & (setukpairinjR1 = $true)) & (setukpairinjR12 = $true)) & (setukpairinjR11 = $true)) & (setukpairinjL = $true)) & (setukpairinjL2 = $true)) & (cartprodfstin = $true)) & (kfstpairEq = $true)) & (theprop = $true)) & (kfstsingleton = $true)) & (setukpairinjL1 = $true)) & (singletonsuniq = $true)) & (ex1I2 = $true)) & (ex1I = $true)) & (ex1E1 = $true)) & (singletonprop = $true)) & (setunionsingleton = $true)) & (setunionsingleton2 = $true)) & (setunionsingleton1 = $true)) & (setunionE2 = $true)) & (cartprodmempair = $true)) & (cartprodmempair1 = $true)) & (cartprodpairin = $true)) & (ubforcartprodlem3 = $true)) & (ubforcartprodlem2 = $true)) & (ubforcartprodlem1 = $true)) & (upairinpowunion = $true)) & (upairsubunion = $true)) & (upairset2E = $true)) & (singletoninpowunion = $true)) & (singletoninpowerset = $true)) & (singletonsubset = $true)) & (kpairp = $true)) & (kpairiskpair = $true)) & (setukpairIR = $true)) & (setukpairIL = $true)) & (secondinupair = $true)) & (symdiffIneg2 = $true)) & (symdiffIneg1 = $true)) & (symdiffI2 = $true)) & (symdiffI1 = $true)) & (symdiffE = $true)) & (setminusSubset1 = $true)) & (setminusLsub = $true)) & (setminusIRneg = $true)) & (setminusILneg = $true)) & (setminusELneg = $true)) & (setminusERneg = $true)) & (setminusSubset2 = $true)) & (setminusER = $true)) & (setminusEL = $true)) & (setminusI = $true)) & (bs114d = $true)) & (binintersectSubset1 = $true)) & (binintersectSubset4 = $true)) & (binintersectRsub = $true)) & (disjointsetsI1 = $true)) & (binintersectER = $true)) & (binintersectSubset3 = $true)) & (binintersectSubset2 = $true)) & (binintersectLsub = $true)) & (binintersectEL = $true)) & (binintersectSubset5 = $true)) & (binintersectI = $true)) & (binunionRsub = $true)) & (binunionLsub = $true)) & (binunionE = $true)) & (binunionEcases = $true)) & (binunionIR = $true)) & (upairset2IR = $true)) & (binunionIL = $true)) & (sepSubset = $true)) & (sepInPowerset = $true)) & (powersetsubset = $true)) & (inPowerset = $true)) & (powersetE1 = $true)) & (powersetI1 = $true)) & (subsetemptysetimpeq = $true)) & (setextsub = $true)) & (subset2powerset = $true)) & (setadjoinSub2 = $true)) & (setadjoinSub = $true)) & (subsetTrans = $true)) & (subsetRefl = $true)) & (notequalI2 = $true)) & (notequalI1 = $true)) & (notsubsetI = $true)) & (subsetE2 = $true)) & (subsetE = $true)) & (emptysetsubset = $true)) & (subsetI2 = $true)) & (eqimpsubset1 = $true)) & (eqimpsubset2 = $true)) & (subsetI1 = $true)) & (dsetconstr__Cong = $true)) & (descr__Cong = $true)) & (exuEu = $true)) & (omega__Cong = $true)) & (setunion__Cong = $true)) & (powerset__Cong = $true)) & (setadjoin__Cong = $true)) & (emptyset__Cong = $true)) & (exu__Cong = $true)) & (exuE3u = $true)) & (in__Cong = $true)) & (inCongP = $true)) & (exuI2 = $true)) & (exuI3 = $true)) & (exuI1 = $true)) & (notdallE = $true)) & (notdexE = $true)) & (prop2set2propI = $true)) & (prop2setI = $true)) & (quantDeMorgan4 = $true)) & (quantDeMorgan3 = $true)) & (quantDeMorgan2 = $true)) & (quantDeMorgan1 = $true)) & (vacuousDall = $true)) & (emptyE1 = $true)) & (upairsetIR = $true)) & (upairsetIL = $true)) & (upairsetE = $true)) & (singletonsswitch = $true)) & (eqinunit = $true)) & (notinsingleton = $true)) & (uniqinunit = $true)) & (nonemptyImpWitness = $true)) & (exuE2 = $true)) & (subPowSU = $true)) & (setunionE = $true)) & (setunionI = $true)) & (powersetE = $true)) & (emptyInPowerset = $true)) & (emptyinPowerset = $true)) & (powersetI = $true)) & (setoftrueEq = $true)) & (setadjoinOr = $true)) & (setadjoinE = $true)) & (setadjoinIR = $true)) & (emptyinunitempty = $true)) & (setadjoinIL = $true)) & (nonemptyI1 = $true)) & (nonemptyI = $true)) & (nonemptyE1 = $true)) & (setbeta = $true)) & (noeltsimpempty = $true)) & (emptyI = $true)) & (setext = $true)) & (exuE3e = $true)) & (notinemptyset = $true)) & (emptysetimpfalse = $true)) & (emptysetE = $true)) & (prop2setE = $true)) & (exuE1 = $true)) & (dsetconstrER = $true)) & (dsetconstrEL = $true)) & (dsetconstrI = $true)) & (descrp = $true)) & (wellorderingAx = $true)) & (foundationAx = $true)) & (replAx = $true)) & (omegaIndAx = $true)) & (omegaSAx = $true)) & (omega0Ax = $true)) & (setunionAx = $true)) & (powersetAx = $true)) & (setadjoinAx = $true)) & (emptysetAx = $true)) & (setextAx = $true)),
% 2.65/1.73    inference(ennf_transformation,[status(thm)],[f232])).
% 2.65/1.73  thf(f232,plain,(
% 2.65/1.73    ~((setextAx = $true) => ((emptysetAx = $true) => ((setadjoinAx = $true) => ((powersetAx = $true) => ((setunionAx = $true) => ((omega0Ax = $true) => ((omegaSAx = $true) => ((omegaIndAx = $true) => ((replAx = $true) => ((foundationAx = $true) => ((wellorderingAx = $true) => ((descrp = $true) => ((dsetconstrI = $true) => ((dsetconstrEL = $true) => ((dsetconstrER = $true) => ((exuE1 = $true) => ((prop2setE = $true) => ((emptysetE = $true) => ((emptysetimpfalse = $true) => ((notinemptyset = $true) => ((exuE3e = $true) => ((setext = $true) => ((emptyI = $true) => ((noeltsimpempty = $true) => ((setbeta = $true) => ((nonemptyE1 = $true) => ((nonemptyI = $true) => ((nonemptyI1 = $true) => ((setadjoinIL = $true) => ((emptyinunitempty = $true) => ((setadjoinIR = $true) => ((setadjoinE = $true) => ((setadjoinOr = $true) => ((setoftrueEq = $true) => ((powersetI = $true) => ((emptyinPowerset = $true) => ((emptyInPowerset = $true) => ((powersetE = $true) => ((setunionI = $true) => ((setunionE = $true) => ((subPowSU = $true) => ((exuE2 = $true) => ((nonemptyImpWitness = $true) => ((uniqinunit = $true) => ((notinsingleton = $true) => ((eqinunit = $true) => ((singletonsswitch = $true) => ((upairsetE = $true) => ((upairsetIL = $true) => ((upairsetIR = $true) => ((emptyE1 = $true) => ((vacuousDall = $true) => ((quantDeMorgan1 = $true) => ((quantDeMorgan2 = $true) => ((quantDeMorgan3 = $true) => ((quantDeMorgan4 = $true) => ((prop2setI = $true) => ((prop2set2propI = $true) => ((notdexE = $true) => ((notdallE = $true) => ((exuI1 = $true) => ((exuI3 = $true) => ((exuI2 = $true) => ((inCongP = $true) => ((in__Cong = $true) => ((exuE3u = $true) => ((exu__Cong = $true) => ((emptyset__Cong = $true) => ((setadjoin__Cong = $true) => ((powerset__Cong = $true) => ((setunion__Cong = $true) => ((omega__Cong = $true) => ((exuEu = $true) => ((descr__Cong = $true) => ((dsetconstr__Cong = $true) => ((subsetI1 = $true) => ((eqimpsubset2 = $true) => ((eqimpsubset1 = $true) => ((subsetI2 = $true) => ((emptysetsubset = $true) => ((subsetE = $true) => ((subsetE2 = $true) => ((notsubsetI = $true) => ((notequalI1 = $true) => ((notequalI2 = $true) => ((subsetRefl = $true) => ((subsetTrans = $true) => ((setadjoinSub = $true) => ((setadjoinSub2 = $true) => ((subset2powerset = $true) => ((setextsub = $true) => ((subsetemptysetimpeq = $true) => ((powersetI1 = $true) => ((powersetE1 = $true) => ((inPowerset = $true) => ((powersetsubset = $true) => ((sepInPowerset = $true) => ((sepSubset = $true) => ((binunionIL = $true) => ((upairset2IR = $true) => ((binunionIR = $true) => ((binunionEcases = $true) => ((binunionE = $true) => ((binunionLsub = $true) => ((binunionRsub = $true) => ((binintersectI = $true) => ((binintersectSubset5 = $true) => ((binintersectEL = $true) => ((binintersectLsub = $true) => ((binintersectSubset2 = $true) => ((binintersectSubset3 = $true) => ((binintersectER = $true) => ((disjointsetsI1 = $true) => ((binintersectRsub = $true) => ((binintersectSubset4 = $true) => ((binintersectSubset1 = $true) => ((bs114d = $true) => ((setminusI = $true) => ((setminusEL = $true) => ((setminusER = $true) => ((setminusSubset2 = $true) => ((setminusERneg = $true) => ((setminusELneg = $true) => ((setminusILneg = $true) => ((setminusIRneg = $true) => ((setminusLsub = $true) => ((setminusSubset1 = $true) => ((symdiffE = $true) => ((symdiffI1 = $true) => ((symdiffI2 = $true) => ((symdiffIneg1 = $true) => ((symdiffIneg2 = $true) => ((secondinupair = $true) => ((setukpairIL = $true) => ((setukpairIR = $true) => ((kpairiskpair = $true) => ((kpairp = $true) => ((singletonsubset = $true) => ((singletoninpowerset = $true) => ((singletoninpowunion = $true) => ((upairset2E = $true) => ((upairsubunion = $true) => ((upairinpowunion = $true) => ((ubforcartprodlem1 = $true) => ((ubforcartprodlem2 = $true) => ((ubforcartprodlem3 = $true) => ((cartprodpairin = $true) => ((cartprodmempair1 = $true) => ((cartprodmempair = $true) => ((setunionE2 = $true) => ((setunionsingleton1 = $true) => ((setunionsingleton2 = $true) => ((setunionsingleton = $true) => ((singletonprop = $true) => ((ex1E1 = $true) => ((ex1I = $true) => ((ex1I2 = $true) => ((singletonsuniq = $true) => ((setukpairinjL1 = $true) => ((kfstsingleton = $true) => ((theprop = $true) => ((kfstpairEq = $true) => ((cartprodfstin = $true) => ((setukpairinjL2 = $true) => ((setukpairinjL = $true) => ((setukpairinjR11 = $true) => ((setukpairinjR12 = $true) => ((setukpairinjR1 = $true) => ((upairequniteq = $true) => ((setukpairinjR2 = $true) => ((setukpairinjR = $true) => ((ksndsingleton = $true) => ((ksndpairEq = $true) => ((kpairsurjEq = $true) => ((cartprodsndin = $true) => ! [X0 : $i,X1 : $i,X2 : $i,X3 : $i] : (($true = (in @ (kpair @ X2 @ X3) @ (cartprod @ X1 @ X0))) => ($true = (in @ X2 @ X1))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.65/1.73    inference(fool_elimination,[status(thm)],[f231])).
% 2.65/1.73  thf(f231,plain,(
% 2.65/1.73    ~(setextAx => (emptysetAx => (setadjoinAx => (powersetAx => (setunionAx => (omega0Ax => (omegaSAx => (omegaIndAx => (replAx => (foundationAx => (wellorderingAx => (descrp => (dsetconstrI => (dsetconstrEL => (dsetconstrER => (exuE1 => (prop2setE => (emptysetE => (emptysetimpfalse => (notinemptyset => (exuE3e => (setext => (emptyI => (noeltsimpempty => (setbeta => (nonemptyE1 => (nonemptyI => (nonemptyI1 => (setadjoinIL => (emptyinunitempty => (setadjoinIR => (setadjoinE => (setadjoinOr => (setoftrueEq => (powersetI => (emptyinPowerset => (emptyInPowerset => (powersetE => (setunionI => (setunionE => (subPowSU => (exuE2 => (nonemptyImpWitness => (uniqinunit => (notinsingleton => (eqinunit => (singletonsswitch => (upairsetE => (upairsetIL => (upairsetIR => (emptyE1 => (vacuousDall => (quantDeMorgan1 => (quantDeMorgan2 => (quantDeMorgan3 => (quantDeMorgan4 => (prop2setI => (prop2set2propI => (notdexE => (notdallE => (exuI1 => (exuI3 => (exuI2 => (inCongP => (in__Cong => (exuE3u => (exu__Cong => (emptyset__Cong => (setadjoin__Cong => (powerset__Cong => (setunion__Cong => (omega__Cong => (exuEu => (descr__Cong => (dsetconstr__Cong => (subsetI1 => (eqimpsubset2 => (eqimpsubset1 => (subsetI2 => (emptysetsubset => (subsetE => (subsetE2 => (notsubsetI => (notequalI1 => (notequalI2 => (subsetRefl => (subsetTrans => (setadjoinSub => (setadjoinSub2 => (subset2powerset => (setextsub => (subsetemptysetimpeq => (powersetI1 => (powersetE1 => (inPowerset => (powersetsubset => (sepInPowerset => (sepSubset => (binunionIL => (upairset2IR => (binunionIR => (binunionEcases => (binunionE => (binunionLsub => (binunionRsub => (binintersectI => (binintersectSubset5 => (binintersectEL => (binintersectLsub => (binintersectSubset2 => (binintersectSubset3 => (binintersectER => (disjointsetsI1 => (binintersectRsub => (binintersectSubset4 => (binintersectSubset1 => (bs114d => (setminusI => (setminusEL => (setminusER => (setminusSubset2 => (setminusERneg => (setminusELneg => (setminusILneg => (setminusIRneg => (setminusLsub => (setminusSubset1 => (symdiffE => (symdiffI1 => (symdiffI2 => (symdiffIneg1 => (symdiffIneg2 => (secondinupair => (setukpairIL => (setukpairIR => (kpairiskpair => (kpairp => (singletonsubset => (singletoninpowerset => (singletoninpowunion => (upairset2E => (upairsubunion => (upairinpowunion => (ubforcartprodlem1 => (ubforcartprodlem2 => (ubforcartprodlem3 => (cartprodpairin => (cartprodmempair1 => (cartprodmempair => (setunionE2 => (setunionsingleton1 => (setunionsingleton2 => (setunionsingleton => (singletonprop => (ex1E1 => (ex1I => (ex1I2 => (singletonsuniq => (setukpairinjL1 => (kfstsingleton => (theprop => (kfstpairEq => (cartprodfstin => (setukpairinjL2 => (setukpairinjL => (setukpairinjR11 => (setukpairinjR12 => (setukpairinjR1 => (upairequniteq => (setukpairinjR2 => (setukpairinjR => (ksndsingleton => (ksndpairEq => (kpairsurjEq => (cartprodsndin => ! [X0 : $i,X1 : $i,X2 : $i,X3 : $i] : ((in @ (kpair @ X2 @ X3) @ (cartprod @ X1 @ X0)) => (in @ X2 @ X1)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.65/1.73    inference(rectify,[status(thm)],[f181])).
% 2.65/1.73  thf(f181,negated_conjecture,(
% 2.65/1.73    ~(setextAx => (emptysetAx => (setadjoinAx => (powersetAx => (setunionAx => (omega0Ax => (omegaSAx => (omegaIndAx => (replAx => (foundationAx => (wellorderingAx => (descrp => (dsetconstrI => (dsetconstrEL => (dsetconstrER => (exuE1 => (prop2setE => (emptysetE => (emptysetimpfalse => (notinemptyset => (exuE3e => (setext => (emptyI => (noeltsimpempty => (setbeta => (nonemptyE1 => (nonemptyI => (nonemptyI1 => (setadjoinIL => (emptyinunitempty => (setadjoinIR => (setadjoinE => (setadjoinOr => (setoftrueEq => (powersetI => (emptyinPowerset => (emptyInPowerset => (powersetE => (setunionI => (setunionE => (subPowSU => (exuE2 => (nonemptyImpWitness => (uniqinunit => (notinsingleton => (eqinunit => (singletonsswitch => (upairsetE => (upairsetIL => (upairsetIR => (emptyE1 => (vacuousDall => (quantDeMorgan1 => (quantDeMorgan2 => (quantDeMorgan3 => (quantDeMorgan4 => (prop2setI => (prop2set2propI => (notdexE => (notdallE => (exuI1 => (exuI3 => (exuI2 => (inCongP => (in__Cong => (exuE3u => (exu__Cong => (emptyset__Cong => (setadjoin__Cong => (powerset__Cong => (setunion__Cong => (omega__Cong => (exuEu => (descr__Cong => (dsetconstr__Cong => (subsetI1 => (eqimpsubset2 => (eqimpsubset1 => (subsetI2 => (emptysetsubset => (subsetE => (subsetE2 => (notsubsetI => (notequalI1 => (notequalI2 => (subsetRefl => (subsetTrans => (setadjoinSub => (setadjoinSub2 => (subset2powerset => (setextsub => (subsetemptysetimpeq => (powersetI1 => (powersetE1 => (inPowerset => (powersetsubset => (sepInPowerset => (sepSubset => (binunionIL => (upairset2IR => (binunionIR => (binunionEcases => (binunionE => (binunionLsub => (binunionRsub => (binintersectI => (binintersectSubset5 => (binintersectEL => (binintersectLsub => (binintersectSubset2 => (binintersectSubset3 => (binintersectER => (disjointsetsI1 => (binintersectRsub => (binintersectSubset4 => (binintersectSubset1 => (bs114d => (setminusI => (setminusEL => (setminusER => (setminusSubset2 => (setminusERneg => (setminusELneg => (setminusILneg => (setminusIRneg => (setminusLsub => (setminusSubset1 => (symdiffE => (symdiffI1 => (symdiffI2 => (symdiffIneg1 => (symdiffIneg2 => (secondinupair => (setukpairIL => (setukpairIR => (kpairiskpair => (kpairp => (singletonsubset => (singletoninpowerset => (singletoninpowunion => (upairset2E => (upairsubunion => (upairinpowunion => (ubforcartprodlem1 => (ubforcartprodlem2 => (ubforcartprodlem3 => (cartprodpairin => (cartprodmempair1 => (cartprodmempair => (setunionE2 => (setunionsingleton1 => (setunionsingleton2 => (setunionsingleton => (singletonprop => (ex1E1 => (ex1I => (ex1I2 => (singletonsuniq => (setukpairinjL1 => (kfstsingleton => (theprop => (kfstpairEq => (cartprodfstin => (setukpairinjL2 => (setukpairinjL => (setukpairinjR11 => (setukpairinjR12 => (setukpairinjR1 => (upairequniteq => (setukpairinjR2 => (setukpairinjR => (ksndsingleton => (ksndpairEq => (kpairsurjEq => (cartprodsndin => ! [X4 : $i,X3 : $i,X1 : $i,X2 : $i] : ((in @ (kpair @ X1 @ X2) @ (cartprod @ X3 @ X4)) => (in @ X1 @ X3)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.65/1.73    inference(negated_conjecture,[status(cth)],[f180])).
% 2.65/1.73  thf(f180,conjecture,(
% 2.65/1.73    setextAx => (emptysetAx => (setadjoinAx => (powersetAx => (setunionAx => (omega0Ax => (omegaSAx => (omegaIndAx => (replAx => (foundationAx => (wellorderingAx => (descrp => (dsetconstrI => (dsetconstrEL => (dsetconstrER => (exuE1 => (prop2setE => (emptysetE => (emptysetimpfalse => (notinemptyset => (exuE3e => (setext => (emptyI => (noeltsimpempty => (setbeta => (nonemptyE1 => (nonemptyI => (nonemptyI1 => (setadjoinIL => (emptyinunitempty => (setadjoinIR => (setadjoinE => (setadjoinOr => (setoftrueEq => (powersetI => (emptyinPowerset => (emptyInPowerset => (powersetE => (setunionI => (setunionE => (subPowSU => (exuE2 => (nonemptyImpWitness => (uniqinunit => (notinsingleton => (eqinunit => (singletonsswitch => (upairsetE => (upairsetIL => (upairsetIR => (emptyE1 => (vacuousDall => (quantDeMorgan1 => (quantDeMorgan2 => (quantDeMorgan3 => (quantDeMorgan4 => (prop2setI => (prop2set2propI => (notdexE => (notdallE => (exuI1 => (exuI3 => (exuI2 => (inCongP => (in__Cong => (exuE3u => (exu__Cong => (emptyset__Cong => (setadjoin__Cong => (powerset__Cong => (setunion__Cong => (omega__Cong => (exuEu => (descr__Cong => (dsetconstr__Cong => (subsetI1 => (eqimpsubset2 => (eqimpsubset1 => (subsetI2 => (emptysetsubset => (subsetE => (subsetE2 => (notsubsetI => (notequalI1 => (notequalI2 => (subsetRefl => (subsetTrans => (setadjoinSub => (setadjoinSub2 => (subset2powerset => (setextsub => (subsetemptysetimpeq => (powersetI1 => (powersetE1 => (inPowerset => (powersetsubset => (sepInPowerset => (sepSubset => (binunionIL => (upairset2IR => (binunionIR => (binunionEcases => (binunionE => (binunionLsub => (binunionRsub => (binintersectI => (binintersectSubset5 => (binintersectEL => (binintersectLsub => (binintersectSubset2 => (binintersectSubset3 => (binintersectER => (disjointsetsI1 => (binintersectRsub => (binintersectSubset4 => (binintersectSubset1 => (bs114d => (setminusI => (setminusEL => (setminusER => (setminusSubset2 => (setminusERneg => (setminusELneg => (setminusILneg => (setminusIRneg => (setminusLsub => (setminusSubset1 => (symdiffE => (symdiffI1 => (symdiffI2 => (symdiffIneg1 => (symdiffIneg2 => (secondinupair => (setukpairIL => (setukpairIR => (kpairiskpair => (kpairp => (singletonsubset => (singletoninpowerset => (singletoninpowunion => (upairset2E => (upairsubunion => (upairinpowunion => (ubforcartprodlem1 => (ubforcartprodlem2 => (ubforcartprodlem3 => (cartprodpairin => (cartprodmempair1 => (cartprodmempair => (setunionE2 => (setunionsingleton1 => (setunionsingleton2 => (setunionsingleton => (singletonprop => (ex1E1 => (ex1I => (ex1I2 => (singletonsuniq => (setukpairinjL1 => (kfstsingleton => (theprop => (kfstpairEq => (cartprodfstin => (setukpairinjL2 => (setukpairinjL => (setukpairinjR11 => (setukpairinjR12 => (setukpairinjR1 => (upairequniteq => (setukpairinjR2 => (setukpairinjR => (ksndsingleton => (ksndpairEq => (kpairsurjEq => (cartprodsndin => ! [X4 : $i,X3 : $i,X1 : $i,X2 : $i] : ((in @ (kpair @ X1 @ X2) @ (cartprod @ X3 @ X4)) => (in @ X1 @ X3))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.65/1.73    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',cartprodpairmemEL)).
% 2.65/1.73  thf(f2784,plain,(
% 2.65/1.73    ($true = (in @ sK300 @ sK299)) | (kfstpairEq != $true)),
% 2.65/1.73    inference(superposition,[status(thm)],[f2566,f1572])).
% 2.65/1.73  thf(f1572,plain,(
% 2.65/1.73    ( ! [X0 : $i,X1 : $i] : (((kfst @ (kpair @ X1 @ X0)) = X1) | (kfstpairEq != $true)) )),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f770])).
% 2.65/1.73  thf(f770,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i] : ((kfst @ (kpair @ X1 @ X0)) = X1) | (kfstpairEq != $true)) & ((kfstpairEq = $true) | (sK9 != (kfst @ (kpair @ sK9 @ sK8))))),
% 2.65/1.73    inference(skolemisation,[status(esa),new_symbols(skolem,[sK8,sK9])],[f768,f769])).
% 2.65/1.73  thf(f769,plain,(
% 2.65/1.73    ? [X2 : $i,X3 : $i] : ((kfst @ (kpair @ X3 @ X2)) != X3) => (sK9 != (kfst @ (kpair @ sK9 @ sK8)))),
% 2.65/1.73    introduced(definition,[],[choice_axiom])).
% 2.65/1.73  thf(f768,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i] : ((kfst @ (kpair @ X1 @ X0)) = X1) | (kfstpairEq != $true)) & ((kfstpairEq = $true) | ? [X2 : $i,X3 : $i] : ((kfst @ (kpair @ X3 @ X2)) != X3))),
% 2.65/1.73    inference(rectify,[status(thm)],[f767])).
% 2.65/1.73  thf(f767,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i] : ((kfst @ (kpair @ X1 @ X0)) = X1) | (kfstpairEq != $true)) & ((kfstpairEq = $true) | ? [X0 : $i,X1 : $i] : ((kfst @ (kpair @ X1 @ X0)) != X1))),
% 2.65/1.73    inference(nnf_transformation,[status(thm)],[f337])).
% 2.65/1.73  thf(f337,plain,(
% 2.65/1.73    ! [X0 : $i,X1 : $i] : ((kfst @ (kpair @ X1 @ X0)) = X1) <=> (kfstpairEq = $true)),
% 2.65/1.73    inference(fool_elimination,[status(thm)],[f336])).
% 2.65/1.73  thf(f336,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i] : ((kfst @ (kpair @ X1 @ X0)) = X1) = kfstpairEq)),
% 2.65/1.73    inference(rectify,[status(thm)],[f166])).
% 2.65/1.73  thf(f166,axiom,(
% 2.65/1.73    (! [X2 : $i,X1 : $i] : ((kfst @ (kpair @ X1 @ X2)) = X1) = kfstpairEq)),
% 2.65/1.73    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',kfstpairEq)).
% 2.65/1.73  thf(f2566,plain,(
% 2.65/1.73    ($true = (in @ (kfst @ (kpair @ sK300 @ sK301)) @ sK299))),
% 2.65/1.73    inference(trivial_inequality_removal,[status(thm)],[f2565])).
% 2.65/1.73  thf(f2565,plain,(
% 2.65/1.73    ($true = (in @ (kfst @ (kpair @ sK300 @ sK301)) @ sK299)) | ($true != $true)),
% 2.65/1.73    inference(forward_demodulation,[status(thm)],[f2555,f2091])).
% 2.65/1.73  thf(f2091,plain,(
% 2.65/1.73    (cartprodfstin = $true)),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f1237])).
% 2.65/1.73  thf(f2555,plain,(
% 2.65/1.73    ($true = (in @ (kfst @ (kpair @ sK300 @ sK301)) @ sK299)) | (cartprodfstin != $true)),
% 2.65/1.73    inference(trivial_inequality_removal,[status(thm)],[f2553])).
% 2.65/1.73  thf(f2553,plain,(
% 2.65/1.73    ($true != $true) | ($true = (in @ (kfst @ (kpair @ sK300 @ sK301)) @ sK299)) | (cartprodfstin != $true)),
% 2.65/1.73    inference(superposition,[status(thm)],[f1693,f2024])).
% 2.65/1.73  thf(f2024,plain,(
% 2.65/1.73    ($true = (in @ (kpair @ sK300 @ sK301) @ (cartprod @ sK299 @ sK298)))),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f1237])).
% 2.65/1.73  thf(f1693,plain,(
% 2.65/1.73    ( ! [X2 : $i,X0 : $i,X1 : $i] : (($true != (in @ X2 @ (cartprod @ X0 @ X1))) | (cartprodfstin != $true) | ((in @ (kfst @ X2) @ X0) = $true)) )),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f916])).
% 2.65/1.73  thf(f916,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i,X2 : $i] : (((in @ (kfst @ X2) @ X0) = $true) | ($true != (in @ X2 @ (cartprod @ X0 @ X1)))) | (cartprodfstin != $true)) & ((cartprodfstin = $true) | (($true != (in @ (kfst @ sK97) @ sK95)) & ($true = (in @ sK97 @ (cartprod @ sK95 @ sK96)))))),
% 2.65/1.73    inference(skolemisation,[status(esa),new_symbols(skolem,[sK95,sK96,sK97])],[f914,f915])).
% 2.65/1.73  thf(f915,plain,(
% 2.65/1.73    ? [X3 : $i,X4 : $i,X5 : $i] : (($true != (in @ (kfst @ X5) @ X3)) & ((in @ X5 @ (cartprod @ X3 @ X4)) = $true)) => (($true != (in @ (kfst @ sK97) @ sK95)) & ($true = (in @ sK97 @ (cartprod @ sK95 @ sK96))))),
% 2.65/1.73    introduced(definition,[],[choice_axiom])).
% 2.65/1.73  thf(f914,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i,X2 : $i] : (((in @ (kfst @ X2) @ X0) = $true) | ($true != (in @ X2 @ (cartprod @ X0 @ X1)))) | (cartprodfstin != $true)) & ((cartprodfstin = $true) | ? [X3 : $i,X4 : $i,X5 : $i] : (($true != (in @ (kfst @ X5) @ X3)) & ((in @ X5 @ (cartprod @ X3 @ X4)) = $true)))),
% 2.65/1.73    inference(rectify,[status(thm)],[f913])).
% 2.65/1.73  thf(f913,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i,X2 : $i] : (((in @ (kfst @ X2) @ X0) = $true) | ($true != (in @ X2 @ (cartprod @ X0 @ X1)))) | (cartprodfstin != $true)) & ((cartprodfstin = $true) | ? [X0 : $i,X1 : $i,X2 : $i] : (((in @ (kfst @ X2) @ X0) != $true) & ($true = (in @ X2 @ (cartprod @ X0 @ X1)))))),
% 2.65/1.73    inference(nnf_transformation,[status(thm)],[f643])).
% 2.65/1.73  thf(f643,plain,(
% 2.65/1.73    ! [X0 : $i,X1 : $i,X2 : $i] : (((in @ (kfst @ X2) @ X0) = $true) | ($true != (in @ X2 @ (cartprod @ X0 @ X1)))) <=> (cartprodfstin = $true)),
% 2.65/1.73    inference(ennf_transformation,[status(thm)],[f248])).
% 2.65/1.73  thf(f248,plain,(
% 2.65/1.73    (cartprodfstin = $true) <=> ! [X0 : $i,X1 : $i,X2 : $i] : (($true = (in @ X2 @ (cartprod @ X0 @ X1))) => ((in @ (kfst @ X2) @ X0) = $true))),
% 2.65/1.73    inference(fool_elimination,[status(thm)],[f247])).
% 2.65/1.73  thf(f247,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i,X2 : $i] : ((in @ X2 @ (cartprod @ X0 @ X1)) => (in @ (kfst @ X2) @ X0)) = cartprodfstin)),
% 2.65/1.73    inference(rectify,[status(thm)],[f167])).
% 2.65/1.73  thf(f167,axiom,(
% 2.65/1.73    (! [X3 : $i,X4 : $i,X10 : $i] : ((in @ X10 @ (cartprod @ X3 @ X4)) => (in @ (kfst @ X10) @ X3)) = cartprodfstin)),
% 2.65/1.73    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',cartprodfstin)).
% 2.65/1.73  thf(f3939,plain,(
% 2.65/1.73    ~spl490_19),
% 2.65/1.73    inference(avatar_split_clause,[status(thm)],[f2774,f3241])).
% 2.65/1.73  thf(f2774,plain,(
% 2.65/1.73    ($true != (in @ sK300 @ sK299))),
% 2.65/1.73    inference(trivial_inequality_removal,[status(thm)],[f2773])).
% 2.65/1.73  thf(f2773,plain,(
% 2.65/1.73    ($true != (in @ sK300 @ sK299)) | ($true != $true)),
% 2.65/1.73    inference(forward_demodulation,[status(thm)],[f2729,f2123])).
% 2.65/1.73  thf(f2123,plain,(
% 2.65/1.73    (eqimpsubset1 = $true)),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f1237])).
% 2.65/1.73  thf(f2729,plain,(
% 2.65/1.73    (eqimpsubset1 != $true) | ($true != (in @ sK300 @ sK299))),
% 2.65/1.73    inference(trivial_inequality_removal,[status(thm)],[f2713])).
% 2.65/1.73  thf(f2713,plain,(
% 2.65/1.73    ($true != $true) | ($true != (in @ sK300 @ sK299)) | (eqimpsubset1 != $true)),
% 2.65/1.73    inference(superposition,[status(thm)],[f2550,f2454])).
% 2.65/1.73  thf(f2454,plain,(
% 2.65/1.73    ( ! [X1 : $i] : (($true = (subset @ X1 @ X1)) | (eqimpsubset1 != $true)) )),
% 2.65/1.73    inference(equality_resolution,[status(thm)],[f2324])).
% 2.65/1.73  thf(f2324,plain,(
% 2.65/1.73    ( ! [X0 : $i,X1 : $i] : ((X0 != X1) | ($true = (subset @ X1 @ X0)) | (eqimpsubset1 != $true)) )),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f1463])).
% 2.65/1.73  thf(f1463,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i] : ((X0 != X1) | ($true = (subset @ X1 @ X0))) | (eqimpsubset1 != $true)) & ((eqimpsubset1 = $true) | ((sK427 = sK426) & ($true != (subset @ sK427 @ sK426))))),
% 2.65/1.73    inference(skolemisation,[status(esa),new_symbols(skolem,[sK426,sK427])],[f1461,f1462])).
% 2.65/1.73  thf(f1462,plain,(
% 2.65/1.73    ? [X2 : $i,X3 : $i] : ((X2 = X3) & ($true != (subset @ X3 @ X2))) => ((sK427 = sK426) & ($true != (subset @ sK427 @ sK426)))),
% 2.65/1.73    introduced(definition,[],[choice_axiom])).
% 2.65/1.73  thf(f1461,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i] : ((X0 != X1) | ($true = (subset @ X1 @ X0))) | (eqimpsubset1 != $true)) & ((eqimpsubset1 = $true) | ? [X2 : $i,X3 : $i] : ((X2 = X3) & ($true != (subset @ X3 @ X2))))),
% 2.65/1.73    inference(rectify,[status(thm)],[f1460])).
% 2.65/1.73  thf(f1460,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i] : ((X0 != X1) | ($true = (subset @ X1 @ X0))) | (eqimpsubset1 != $true)) & ((eqimpsubset1 = $true) | ? [X0 : $i,X1 : $i] : ((X0 = X1) & ($true != (subset @ X1 @ X0))))),
% 2.65/1.73    inference(nnf_transformation,[status(thm)],[f598])).
% 2.65/1.73  thf(f598,plain,(
% 2.65/1.73    ! [X0 : $i,X1 : $i] : ((X0 != X1) | ($true = (subset @ X1 @ X0))) <=> (eqimpsubset1 = $true)),
% 2.65/1.73    inference(ennf_transformation,[status(thm)],[f395])).
% 2.65/1.73  thf(f395,plain,(
% 2.65/1.73    (eqimpsubset1 = $true) <=> ! [X0 : $i,X1 : $i] : ((X0 = X1) => ($true = (subset @ X1 @ X0)))),
% 2.65/1.73    inference(fool_elimination,[status(thm)],[f394])).
% 2.65/1.73  thf(f394,plain,(
% 2.65/1.73    (eqimpsubset1 = ! [X0 : $i,X1 : $i] : ((X0 = X1) => (subset @ X1 @ X0)))),
% 2.65/1.73    inference(rectify,[status(thm)],[f80])).
% 2.65/1.73  thf(f80,axiom,(
% 2.65/1.73    (eqimpsubset1 = ! [X4 : $i,X3 : $i] : ((X3 = X4) => (subset @ X3 @ X4)))),
% 2.65/1.73    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',eqimpsubset1)).
% 2.65/1.73  thf(f2550,plain,(
% 2.65/1.73    ( ! [X0 : $i] : (($true != (subset @ X0 @ sK299)) | ((in @ sK300 @ X0) != $true)) )),
% 2.65/1.73    inference(trivial_inequality_removal,[status(thm)],[f2549])).
% 2.65/1.73  thf(f2549,plain,(
% 2.65/1.73    ( ! [X0 : $i] : (($true != (subset @ X0 @ sK299)) | ($true != $true) | ((in @ sK300 @ X0) != $true)) )),
% 2.65/1.73    inference(forward_demodulation,[status(thm)],[f2541,f2126])).
% 2.65/1.73  thf(f2126,plain,(
% 2.65/1.73    (notsubsetI = $true)),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f1237])).
% 2.65/1.73  thf(f2541,plain,(
% 2.65/1.73    ( ! [X0 : $i] : (((in @ sK300 @ X0) != $true) | ($true != (subset @ X0 @ sK299)) | (notsubsetI != $true)) )),
% 2.65/1.73    inference(trivial_inequality_removal,[status(thm)],[f2540])).
% 2.65/1.73  thf(f2540,plain,(
% 2.65/1.73    ( ! [X0 : $i] : (((in @ sK300 @ X0) != $true) | ($true != (subset @ X0 @ sK299)) | ($true != $true) | (notsubsetI != $true)) )),
% 2.65/1.73    inference(superposition,[status(thm)],[f2023,f1597])).
% 2.65/1.73  thf(f1597,plain,(
% 2.65/1.73    ( ! [X2 : $i,X0 : $i,X1 : $i] : (((in @ X1 @ X0) = $true) | (notsubsetI != $true) | ((in @ X1 @ X2) != $true) | ($true != (subset @ X2 @ X0))) )),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f805])).
% 2.65/1.73  thf(f805,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i,X2 : $i] : (((in @ X1 @ X0) = $true) | ($true != (subset @ X2 @ X0)) | ((in @ X1 @ X2) != $true)) | (notsubsetI != $true)) & ((notsubsetI = $true) | (((in @ sK26 @ sK25) != $true) & ((subset @ sK27 @ sK25) = $true) & ((in @ sK26 @ sK27) = $true)))),
% 2.65/1.73    inference(skolemisation,[status(esa),new_symbols(skolem,[sK25,sK26,sK27])],[f803,f804])).
% 2.65/1.73  thf(f804,plain,(
% 2.65/1.73    ? [X3 : $i,X4 : $i,X5 : $i] : (((in @ X4 @ X3) != $true) & ((subset @ X5 @ X3) = $true) & ($true = (in @ X4 @ X5))) => (((in @ sK26 @ sK25) != $true) & ((subset @ sK27 @ sK25) = $true) & ((in @ sK26 @ sK27) = $true))),
% 2.65/1.73    introduced(definition,[],[choice_axiom])).
% 2.65/1.73  thf(f803,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i,X2 : $i] : (((in @ X1 @ X0) = $true) | ($true != (subset @ X2 @ X0)) | ((in @ X1 @ X2) != $true)) | (notsubsetI != $true)) & ((notsubsetI = $true) | ? [X3 : $i,X4 : $i,X5 : $i] : (((in @ X4 @ X3) != $true) & ((subset @ X5 @ X3) = $true) & ($true = (in @ X4 @ X5))))),
% 2.65/1.73    inference(rectify,[status(thm)],[f802])).
% 2.65/1.73  thf(f802,plain,(
% 2.65/1.73    (! [X0 : $i,X1 : $i,X2 : $i] : (((in @ X1 @ X0) = $true) | ($true != (subset @ X2 @ X0)) | ((in @ X1 @ X2) != $true)) | (notsubsetI != $true)) & ((notsubsetI = $true) | ? [X0 : $i,X1 : $i,X2 : $i] : (((in @ X1 @ X0) != $true) & ($true = (subset @ X2 @ X0)) & ((in @ X1 @ X2) = $true)))),
% 2.65/1.73    inference(nnf_transformation,[status(thm)],[f602])).
% 2.65/1.73  thf(f602,plain,(
% 2.65/1.73    ! [X0 : $i,X1 : $i,X2 : $i] : (((in @ X1 @ X0) = $true) | ($true != (subset @ X2 @ X0)) | ((in @ X1 @ X2) != $true)) <=> (notsubsetI = $true)),
% 2.65/1.73    inference(flattening,[status(thm)],[f601])).
% 2.65/1.73  thf(f601,plain,(
% 2.65/1.73    (notsubsetI = $true) <=> ! [X0 : $i,X1 : $i,X2 : $i] : ((($true != (subset @ X2 @ X0)) | ((in @ X1 @ X0) = $true)) | ((in @ X1 @ X2) != $true))),
% 2.65/1.73    inference(ennf_transformation,[status(thm)],[f567])).
% 2.65/1.73  thf(f567,plain,(
% 2.65/1.73    (notsubsetI = $true) <=> ! [X0 : $i,X1 : $i,X2 : $i] : (((in @ X1 @ X2) = $true) => (((in @ X1 @ X0) != $true) => ($true != (subset @ X2 @ X0))))),
% 2.65/1.73    inference(flattening,[status(thm)],[f445])).
% 2.65/1.73  thf(f445,plain,(
% 2.65/1.73    (notsubsetI = $true) <=> ! [X0 : $i,X1 : $i,X2 : $i] : (((in @ X1 @ X2) = $true) => (~((in @ X1 @ X0) = $true) => ~($true = (subset @ X2 @ X0))))),
% 2.65/1.73    inference(fool_elimination,[status(thm)],[f444])).
% 2.65/1.73  thf(f444,plain,(
% 2.65/1.73    (notsubsetI = ! [X0 : $i,X1 : $i,X2 : $i] : ((in @ X1 @ X2) => (~(in @ X1 @ X0) => ~(subset @ X2 @ X0))))),
% 2.65/1.73    inference(rectify,[status(thm)],[f85])).
% 2.65/1.73  thf(f85,axiom,(
% 2.65/1.73    (notsubsetI = ! [X4 : $i,X1 : $i,X3 : $i] : ((in @ X1 @ X3) => (~(in @ X1 @ X4) => ~(subset @ X3 @ X4))))),
% 2.65/1.73    file('/export/starexec/sandbox2/tmp/tmp.bbcMjPSTZV/DTF2THF_8003.p',notsubsetI)).
% 2.65/1.73  thf(f2023,plain,(
% 2.65/1.73    ($true != (in @ sK300 @ sK299))),
% 2.65/1.73    inference(cnf_transformation,[status(thm)],[f1237])).
% 2.65/1.73  % SZS output end Proof for DTF2THF_8003
% 2.65/1.73  % (8229)------------------------------
% 2.65/1.73  % (8229)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.65/1.73  % (8229)Termination reason: Refutation
% 2.65/1.73  
% 2.65/1.73  % (8229)Memory used [KB]: 8699
% 2.65/1.73  % (8229)Time elapsed: 0.118 s
% 2.65/1.73  % (8229)Instructions burned: 328 (million)
% 2.65/1.73  % (8229)------------------------------
% 2.65/1.73  % (8229)------------------------------
% 2.65/1.73  % (8196)Success in time 0.187 s
%------------------------------------------------------------------------------