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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEU555^1 : TPTP v9.2.1. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300

% Computer : n021.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 09:35:15 AM UTC 2026

% Result   : Theorem 2.09s 1.48s
% Output   : Refutation 2.09s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    1
% Syntax   : Number of formulae    :    8 (   2 unt;   0 typ;   0 def)
%            Number of atoms       :  874 ( 220 equ;   0 cnn)
%            Maximal formula atoms :   72 ( 109 avg)
%            Number of connectives :  432 (   6   ~;   0   |; 142   &;   0   @)
%                                         (   0 <=>; 284  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   73 (  55 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  143 ( 140 usr;  74 con; 0-3 aty)
%            Number of variables   :    0 (   0   ^;   0   !;   0   ?;   0   :)

% 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_101,type,
    sK1: ( $i > $o ) > $i ).

thf(func_def_102,type,
    sK2: ( $i > $o ) > $i > $i ).

thf(func_def_103,type,
    sK3: $i > ( $i > $o ) > $i ).

thf(func_def_104,type,
    sK4: $i > ( $i > $o ) > $i ).

thf(func_def_105,type,
    sK5: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_106,type,
    sK6: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_107,type,
    sK7: ( $i > $o ) > $i ).

thf(func_def_108,type,
    sK8: ( $i > $o ) > $i ).

thf(func_def_109,type,
    sK9: ( $i > $o ) > $i ).

thf(func_def_110,type,
    sK10: ( $i > $o ) > $i ).

thf(func_def_111,type,
    sK11: $i > ( $i > $o ) > $i ).

thf(func_def_112,type,
    sK12: ( $i > $o ) > $i ).

thf(func_def_113,type,
    sK13: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_114,type,
    sK14: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_115,type,
    sK15: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_116,type,
    sK16: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_117,type,
    sK17: ( $i > $o ) > $i ).

thf(func_def_118,type,
    sK18: ( $i > $o ) > $i > $i ).

thf(func_def_119,type,
    sK19: ( $i > $o ) > $i > $i ).

thf(func_def_120,type,
    sK20: $i > $i > $i ).

thf(func_def_121,type,
    sK21: $i > $i ).

thf(func_def_122,type,
    sK22: $i > $i > $i > $i ).

thf(func_def_123,type,
    sK23: $i > $i > $i ).

thf(func_def_124,type,
    sK24: $i > $i > $i ).

thf(func_def_125,type,
    sK25: $i > $i > $i ).

thf(func_def_126,type,
    sK26: $i > $i > $i ).

thf(func_def_127,type,
    sK27: ( $i > $o ) > $i > $i ).

thf(func_def_128,type,
    sK28: $i > $i > $i ).

thf(func_def_129,type,
    sK29: ( $i > $o ) > $i > $i ).

thf(func_def_130,type,
    sK30: $o > $i > $i > $i ).

thf(func_def_131,type,
    sK31: ( $i > $o ) > $i ).

thf(func_def_132,type,
    sK32: ( $i > $o ) > $i > $i ).

thf(func_def_133,type,
    sK33: ( $i > $o ) > $i > $i ).

thf(func_def_134,type,
    sK34: $i > ( $i > $o ) > $i ).

thf(func_def_135,type,
    sK35: ( $i > $o ) > $i ).

thf(func_def_136,type,
    sK36: ( $i > $o ) > $i ).

thf(func_def_137,type,
    sK37: ( $i > $o ) > $i ).

thf(func_def_138,type,
    sK38: ( $i > $o ) > $i ).

thf(func_def_139,type,
    sK39: ( $i > $o ) > $i ).

thf(func_def_140,type,
    sK40: $i > $i > $i ).

thf(func_def_141,type,
    sK41: $i > $i ).

thf(func_def_142,type,
    sK42: $i > ( $i > $i > $o ) > $i ).

thf(func_def_143,type,
    sK43: $i > ( $i > $i > $o ) > $i ).

thf(func_def_144,type,
    sK44: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_145,type,
    sK45: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_146,type,
    sK46: $i > ( $i > $i > $o ) > $i ).

thf(func_def_147,type,
    sK47: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_148,type,
    sK48: $i > $i ).

thf(func_def_149,type,
    sK49: ( $i > $o ) > $i ).

thf(func_def_150,type,
    sK50: $i > ( $i > $o ) > $i ).

thf(func_def_151,type,
    sK51: ( $i > $o ) > $i > $i ).

thf(func_def_152,type,
    sK52: $i > $i ).

thf(func_def_153,type,
    sK53: $i > ( $i > $o ) > $i ).

thf(func_def_154,type,
    sK54: $i > $i > $i ).

thf(func_def_155,type,
    sK55: $i > $i > $i ).

thf(func_def_156,type,
    sK56: $i > $i > $i ).

thf(func_def_157,type,
    sK57: $i > $i > $i ).

thf(func_def_158,type,
    sK58: ( $i > $o ) > $i > $i ).

thf(f1287,plain,
    $false,
    inference(trivial_inequality_removal,[status(thm)],[f267]) ).

thf(f267,plain,
    omega != omega,
    inference(cnf_transformation,[status(thm)],[f221]) ).

thf(f221,plain,
    ( ( exuI3 = $true )
    & ( dsetconstrI = $true )
    & ( exuE1 = $true )
    & ( powersetE = $true )
    & ( quantDeMorgan4 = $true )
    & ( in__Cong = $true )
    & ( prop2setI = $true )
    & ( prop2setE = $true )
    & ( noeltsimpempty = $true )
    & ( setadjoinIR = $true )
    & ( setunionI = $true )
    & ( nonemptyImpWitness = $true )
    & ( setbeta = $true )
    & ( upairsetE = $true )
    & ( uniqinunit = $true )
    & ( inCongP = $true )
    & ( exuI2 = $true )
    & ( dsetconstrER = $true )
    & ( emptyinunitempty = $true )
    & ( descrp = $true )
    & ( nonemptyI = $true )
    & ( prop2set2propI = $true )
    & ( setunionAx = $true )
    & ( vacuousDall = $true )
    & ( notinemptyset = $true )
    & ( powersetI = $true )
    & ( subPowSU = $true )
    & ( singletonsswitch = $true )
    & ( wellorderingAx = $true )
    & ( setadjoinOr = $true )
    & ( emptyInPowerset = $true )
    & ( omegaSAx = $true )
    & ( quantDeMorgan1 = $true )
    & ( notdallE = $true )
    & ( emptysetE = $true )
    & ( quantDeMorgan2 = $true )
    & ( setextAx = $true )
    & ( setadjoin__Cong = $true )
    & ( setadjoinAx = $true )
    & ( setunion__Cong = $true )
    & ( omega0Ax = $true )
    & ( setadjoinE = $true )
    & ( nonemptyI1 = $true )
    & ( emptyE1 = $true )
    & ( foundationAx = $true )
    & ( nonemptyE1 = $true )
    & ( powersetAx = $true )
    & ( quantDeMorgan3 = $true )
    & ( setoftrueEq = $true )
    & ( setunionE = $true )
    & ( upairsetIL = $true )
    & ( notdexE = $true )
    & ( emptysetAx = $true )
    & ( emptyI = $true )
    & ( emptyinPowerset = $true )
    & ( exu__Cong = $true )
    & ( emptyset__Cong = $true )
    & ( omega != omega )
    & ( omegaIndAx = $true )
    & ( powerset__Cong = $true )
    & ( exuE2 = $true )
    & ( notinsingleton = $true )
    & ( setadjoinIL = $true )
    & ( exuE3u = $true )
    & ( setext = $true )
    & ( dsetconstrEL = $true )
    & ( upairsetIR = $true )
    & ( emptysetimpfalse = $true )
    & ( exuE3e = $true )
    & ( replAx = $true )
    & ( exuI1 = $true )
    & ( eqinunit = $true ) ),
    inference(flattening,[status(thm)],[f220]) ).

thf(f220,plain,
    ( ( omega != omega )
    & ( 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)],[f125]) ).

thf(f125,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 = omega ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f124]) ).

thf(f124,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 = omega ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f75]) ).

thf(f75,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 = omega ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f74]) ).

thf(f74,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 = omega ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.8fKAZXst12/DTF2THF_11087.p',omega__Cong) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SEU555^1 : TPTP v9.2.1. Bugfixed v4.0.0.
% 0.00/0.12  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.15/0.33  % Computer : n021.cluster.edu
% 0.15/0.33  % Model    : x86_64 x86_64
% 0.15/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.33  % Memory   : 8042.1875MB
% 0.15/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.33  % CPULimit : 300
% 0.15/0.33  % WCLimit  : 300
% 0.15/0.33  % DateTime : Tue Feb 24 12:26:23 EST 2026
% 0.15/0.33  % CPUTime  : 
% 0.15/0.33  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.18/0.45  ---- Original DTF file ---
% 0.18/0.45  thf(spec,logic,$$dhol).
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  % File     : SEU555^1 : TPTP v9.2.1. Bugfixed v4.0.0.
% 0.18/0.45  % Domain   : Set Theory
% 0.18/0.45  % Problem  : A simple congruence property of omega
% 0.18/0.45  % Version  : Especial.
% 0.18/0.45  % English  :
% 0.18/0.45  
% 0.18/0.45  % Refs     : [Bro08] Brown (2008), Email to G. Sutcliffe
% 0.18/0.45  % Source   : [Bro08]
% 0.18/0.45  % Names    : ZFC057g [Bro08]
% 0.18/0.45  
% 0.18/0.45  % Status   : Theorem
% 0.18/0.45  % Rating   : 0.11 v9.1.0, 0.12 v9.0.0, 0.30 v8.2.0, 0.15 v8.1.0, 0.00 v7.4.0, 0.11 v7.2.0, 0.00 v7.1.0, 0.12 v7.0.0, 0.14 v6.4.0, 0.17 v6.3.0, 0.20 v6.2.0, 0.00 v6.1.0, 0.14 v5.5.0, 0.17 v5.4.0, 0.20 v5.3.0, 0.40 v5.1.0, 0.60 v5.0.0, 0.40 v4.1.0, 0.00 v4.0.1, 0.33 v4.0.0
% 0.18/0.45  % Syntax   : Number of formulae    :  157 (  73 unt;  83 typ;  73 def)
% 0.18/0.45  %            Number of atoms       :  398 ( 110 equ;   0 cnn)
% 0.18/0.45  %            Maximal formula atoms :   72 (   5 avg)
% 0.18/0.45  %            Number of connectives :  637 (  21   ~;   5   |;  27   &; 394   @)
% 0.18/0.45  %                                         (  12 <=>; 178  =>;   0  <=;   0 <~>)
% 0.18/0.45  %            Maximal formula depth :   72 (   2 avg)
% 0.18/0.45  %            Number of types       :    2 (   0 usr)
% 0.18/0.45  %            Number of type conns  :   42 (  42   >;   0   *;   0   +;   0  <<)
% 0.18/0.45  %            Number of symbols     :   86 (  83 usr;  75 con; 0-2 aty)
% 0.18/0.45  %            Number of variables   :  222 (  21   ^; 173   !;  28   ?; 222   :)
% 0.18/0.45  % SPC      : TH0_THM_EQU_NAR
% 0.18/0.45  
% 0.18/0.45  % Comments : http://mathgate.info/detsetitem.php?id=36
% 0.18/0.45  % Bugfixes : v4.0.0 - Adding missing type delaration for in
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  thf(in_type,type,
% 0.18/0.45      in: $i > $i > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exu_type,type,
% 0.18/0.45      exu: ( $i > $o ) > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exu,definition,
% 0.18/0.45      ( exu
% 0.18/0.45      = ( ^ [Xphi: $i > $o] :
% 0.18/0.45          ? [Xx: $i] :
% 0.18/0.45            ( ( Xphi @ Xx )
% 0.18/0.45            & ! [Xy: $i] :
% 0.18/0.45                ( ( Xphi @ Xy )
% 0.18/0.45               => ( Xx = Xy ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setextAx_type,type,
% 0.18/0.45      setextAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setextAx,definition,
% 0.18/0.45      ( setextAx
% 0.18/0.45      = ( ! [A: $i,B: $i] :
% 0.18/0.45            ( ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45              <=> ( in @ Xx @ B ) )
% 0.18/0.45           => ( A = B ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyset_type,type,
% 0.18/0.45      emptyset: $i ).
% 0.18/0.45  
% 0.18/0.45  thf(emptysetAx_type,type,
% 0.18/0.45      emptysetAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptysetAx,definition,
% 0.18/0.45      ( emptysetAx
% 0.18/0.45      = ( ! [Xx: $i] :
% 0.18/0.45            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoin_type,type,
% 0.18/0.45      setadjoin: $i > $i > $i ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinAx_type,type,
% 0.18/0.45      setadjoinAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinAx,definition,
% 0.18/0.45      ( setadjoinAx
% 0.18/0.45      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.18/0.45            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.18/0.45          <=> ( ( Xy = Xx )
% 0.18/0.45              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(powerset_type,type,
% 0.18/0.45      powerset: $i > $i ).
% 0.18/0.45  
% 0.18/0.45  thf(powersetAx_type,type,
% 0.18/0.45      powersetAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(powersetAx,definition,
% 0.18/0.45      ( powersetAx
% 0.18/0.45      = ( ! [A: $i,B: $i] :
% 0.18/0.45            ( ( in @ B @ ( powerset @ A ) )
% 0.18/0.45          <=> ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ B )
% 0.18/0.45               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setunion_type,type,
% 0.18/0.45      setunion: $i > $i ).
% 0.18/0.45  
% 0.18/0.45  thf(setunionAx_type,type,
% 0.18/0.45      setunionAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setunionAx,definition,
% 0.18/0.45      ( setunionAx
% 0.18/0.45      = ( ! [A: $i,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ ( setunion @ A ) )
% 0.18/0.45          <=> ? [B: $i] :
% 0.18/0.45                ( ( in @ Xx @ B )
% 0.18/0.45                & ( in @ B @ A ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(omega_type,type,
% 0.18/0.45      omega: $i ).
% 0.18/0.45  
% 0.18/0.45  thf(omega0Ax_type,type,
% 0.18/0.45      omega0Ax: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(omega0Ax,definition,
% 0.18/0.45      ( omega0Ax
% 0.18/0.45      = ( in @ emptyset @ omega ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(omegaSAx_type,type,
% 0.18/0.45      omegaSAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(omegaSAx,definition,
% 0.18/0.45      ( omegaSAx
% 0.18/0.45      = ( ! [Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ omega )
% 0.18/0.45           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(omegaIndAx_type,type,
% 0.18/0.45      omegaIndAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(omegaIndAx,definition,
% 0.18/0.45      ( omegaIndAx
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45            ( ( ( in @ emptyset @ A )
% 0.18/0.45              & ! [Xx: $i] :
% 0.18/0.45                  ( ( ( in @ Xx @ omega )
% 0.18/0.45                    & ( in @ Xx @ A ) )
% 0.18/0.45                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 0.18/0.45           => ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ omega )
% 0.18/0.45               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(replAx_type,type,
% 0.18/0.45      replAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(replAx,definition,
% 0.18/0.45      ( replAx
% 0.18/0.45      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 0.18/0.45            ( ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45               => ( exu
% 0.18/0.45                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 0.18/0.45           => ? [B: $i] :
% 0.18/0.45              ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ B )
% 0.18/0.45              <=> ? [Xy: $i] :
% 0.18/0.45                    ( ( in @ Xy @ A )
% 0.18/0.45                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(foundationAx_type,type,
% 0.18/0.45      foundationAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(foundationAx,definition,
% 0.18/0.45      ( foundationAx
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.18/0.45           => ? [B: $i] :
% 0.18/0.45                ( ( in @ B @ A )
% 0.18/0.45                & ~ ? [Xx: $i] :
% 0.18/0.45                      ( ( in @ Xx @ B )
% 0.18/0.45                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(wellorderingAx_type,type,
% 0.18/0.45      wellorderingAx: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(wellorderingAx,definition,
% 0.18/0.45      ( wellorderingAx
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45          ? [B: $i] :
% 0.18/0.45            ( ! [C: $i] :
% 0.18/0.45                ( ( in @ C @ B )
% 0.18/0.45               => ! [Xx: $i] :
% 0.18/0.45                    ( ( in @ Xx @ C )
% 0.18/0.45                   => ( in @ Xx @ A ) ) )
% 0.18/0.45            & ! [Xx: $i,Xy: $i] :
% 0.18/0.45                ( ( ( in @ Xx @ A )
% 0.18/0.45                  & ( in @ Xy @ A ) )
% 0.18/0.45               => ( ! [C: $i] :
% 0.18/0.45                      ( ( in @ C @ B )
% 0.18/0.45                     => ( ( in @ Xx @ C )
% 0.18/0.45                      <=> ( in @ Xy @ C ) ) )
% 0.18/0.45                 => ( Xx = Xy ) ) )
% 0.18/0.45            & ! [C: $i,D: $i] :
% 0.18/0.45                ( ( ( in @ C @ B )
% 0.18/0.45                  & ( in @ D @ B ) )
% 0.18/0.45               => ( ! [Xx: $i] :
% 0.18/0.45                      ( ( in @ Xx @ C )
% 0.18/0.45                     => ( in @ Xx @ D ) )
% 0.18/0.45                  | ! [Xx: $i] :
% 0.18/0.45                      ( ( in @ Xx @ D )
% 0.18/0.45                     => ( in @ Xx @ C ) ) ) )
% 0.18/0.45            & ! [C: $i] :
% 0.18/0.45                ( ( ! [Xx: $i] :
% 0.18/0.45                      ( ( in @ Xx @ C )
% 0.18/0.45                     => ( in @ Xx @ A ) )
% 0.18/0.45                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 0.18/0.45               => ? [D: $i,Xx: $i] :
% 0.18/0.45                    ( ( in @ D @ B )
% 0.18/0.45                    & ( in @ Xx @ C )
% 0.18/0.45                    & ~ ? [Xy: $i] :
% 0.18/0.45                          ( ( in @ Xy @ D )
% 0.18/0.45                          & ( in @ Xy @ C ) )
% 0.18/0.45                    & ! [E: $i] :
% 0.18/0.45                        ( ( in @ E @ B )
% 0.18/0.45                       => ( ! [Xy: $i] :
% 0.18/0.45                              ( ( in @ Xy @ E )
% 0.18/0.45                             => ( in @ Xy @ D ) )
% 0.18/0.45                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(descr_type,type,
% 0.18/0.45      descr: ( $i > $o ) > $i ).
% 0.18/0.45  
% 0.18/0.45  thf(descrp_type,type,
% 0.18/0.45      descrp: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(descrp,definition,
% 0.18/0.45      ( descrp
% 0.18/0.45      = ( ! [Xphi: $i > $o] :
% 0.18/0.45            ( ( exu
% 0.18/0.45              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.18/0.45           => ( Xphi
% 0.18/0.45              @ ( descr
% 0.18/0.45                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(dsetconstr_type,type,
% 0.18/0.45      dsetconstr: $i > ( $i > $o ) > $i ).
% 0.18/0.45  
% 0.18/0.45  thf(dsetconstrI_type,type,
% 0.18/0.45      dsetconstrI: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(dsetconstrI,definition,
% 0.18/0.45      ( dsetconstrI
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ A )
% 0.18/0.45           => ( ( Xphi @ Xx )
% 0.18/0.45             => ( in @ Xx
% 0.18/0.45                @ ( dsetconstr @ A
% 0.18/0.45                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(dsetconstrEL_type,type,
% 0.18/0.45      dsetconstrEL: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(dsetconstrEL,definition,
% 0.18/0.45      ( dsetconstrEL
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx
% 0.18/0.45              @ ( dsetconstr @ A
% 0.18/0.45                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.18/0.45           => ( in @ Xx @ A ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(dsetconstrER_type,type,
% 0.18/0.45      dsetconstrER: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(dsetconstrER,definition,
% 0.18/0.45      ( dsetconstrER
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx
% 0.18/0.45              @ ( dsetconstr @ A
% 0.18/0.45                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.18/0.45           => ( Xphi @ Xx ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(exuE1_type,type,
% 0.18/0.45      exuE1: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exuE1,definition,
% 0.18/0.45      ( exuE1
% 0.18/0.45      = ( ! [Xphi: $i > $o] :
% 0.18/0.45            ( ( exu
% 0.18/0.45              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.18/0.45           => ? [Xx: $i] :
% 0.18/0.45                ( ( Xphi @ Xx )
% 0.18/0.45                & ! [Xy: $i] :
% 0.18/0.45                    ( ( Xphi @ Xy )
% 0.18/0.45                   => ( Xx = Xy ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(prop2set_type,type,
% 0.18/0.45      prop2set: $o > $i ).
% 0.18/0.45  
% 0.18/0.45  thf(prop2setE_type,type,
% 0.18/0.45      prop2setE: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(prop2setE,definition,
% 0.18/0.45      ( prop2setE
% 0.18/0.45      = ( ! [Xphi: $o,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 0.18/0.45           => Xphi ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptysetE_type,type,
% 0.18/0.45      emptysetE: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptysetE,definition,
% 0.18/0.45      ( emptysetE
% 0.18/0.45      = ( ! [Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ emptyset )
% 0.18/0.45           => ! [Xphi: $o] : Xphi ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptysetimpfalse_type,type,
% 0.18/0.45      emptysetimpfalse: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptysetimpfalse,definition,
% 0.18/0.45      ( emptysetimpfalse
% 0.18/0.45      = ( ! [Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ emptyset )
% 0.18/0.45           => $false ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(notinemptyset_type,type,
% 0.18/0.45      notinemptyset: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(notinemptyset,definition,
% 0.18/0.45      ( notinemptyset
% 0.18/0.45      = ( ! [Xx: $i] :
% 0.18/0.45            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(exuE3e_type,type,
% 0.18/0.45      exuE3e: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exuE3e,definition,
% 0.18/0.45      ( exuE3e
% 0.18/0.45      = ( ! [Xphi: $i > $o] :
% 0.18/0.45            ( ( exu
% 0.18/0.45              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.18/0.45           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setext_type,type,
% 0.18/0.45      setext: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setext,definition,
% 0.18/0.45      ( setext
% 0.18/0.45      = ( ! [A: $i,B: $i] :
% 0.18/0.45            ( ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45               => ( in @ Xx @ B ) )
% 0.18/0.45           => ( ! [Xx: $i] :
% 0.18/0.45                  ( ( in @ Xx @ B )
% 0.18/0.45                 => ( in @ Xx @ A ) )
% 0.18/0.45             => ( A = B ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyI_type,type,
% 0.18/0.45      emptyI: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyI,definition,
% 0.18/0.45      ( emptyI
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45            ( ! [Xx: $i] :
% 0.18/0.45                ~ ( in @ Xx @ A )
% 0.18/0.45           => ( A = emptyset ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(noeltsimpempty_type,type,
% 0.18/0.45      noeltsimpempty: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(noeltsimpempty,definition,
% 0.18/0.45      ( noeltsimpempty
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45            ( ! [Xx: $i] :
% 0.18/0.45                ~ ( in @ Xx @ A )
% 0.18/0.45           => ( A = emptyset ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setbeta_type,type,
% 0.18/0.45      setbeta: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setbeta,definition,
% 0.18/0.45      ( setbeta
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ A )
% 0.18/0.45           => ( ( in @ Xx
% 0.18/0.45                @ ( dsetconstr @ A
% 0.18/0.45                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.18/0.45            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(nonempty_type,type,
% 0.18/0.45      nonempty: $i > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(nonempty,definition,
% 0.18/0.45      ( nonempty
% 0.18/0.45      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(nonemptyE1_type,type,
% 0.18/0.45      nonemptyE1: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(nonemptyE1,definition,
% 0.18/0.45      ( nonemptyE1
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45            ( ( nonempty @ A )
% 0.18/0.45           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(nonemptyI_type,type,
% 0.18/0.45      nonemptyI: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(nonemptyI,definition,
% 0.18/0.45      ( nonemptyI
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ A )
% 0.18/0.45           => ( ( Xphi @ Xx )
% 0.18/0.45             => ( nonempty
% 0.18/0.45                @ ( dsetconstr @ A
% 0.18/0.45                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(nonemptyI1_type,type,
% 0.18/0.45      nonemptyI1: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(nonemptyI1,definition,
% 0.18/0.45      ( nonemptyI1
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.18/0.45           => ( nonempty @ A ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinIL_type,type,
% 0.18/0.45      setadjoinIL: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinIL,definition,
% 0.18/0.45      ( setadjoinIL
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyinunitempty_type,type,
% 0.18/0.45      emptyinunitempty: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyinunitempty,definition,
% 0.18/0.45      ( emptyinunitempty
% 0.18/0.45      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinIR_type,type,
% 0.18/0.45      setadjoinIR: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinIR,definition,
% 0.18/0.45      ( setadjoinIR
% 0.18/0.45      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.18/0.45            ( ( in @ Xy @ A )
% 0.18/0.45           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinE_type,type,
% 0.18/0.45      setadjoinE: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinE,definition,
% 0.18/0.45      ( setadjoinE
% 0.18/0.45      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.18/0.45            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.18/0.45           => ! [Xphi: $o] :
% 0.18/0.45                ( ( ( Xy = Xx )
% 0.18/0.45                 => Xphi )
% 0.18/0.45               => ( ( ( in @ Xy @ A )
% 0.18/0.45                   => Xphi )
% 0.18/0.45                 => Xphi ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinOr_type,type,
% 0.18/0.45      setadjoinOr: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoinOr,definition,
% 0.18/0.45      ( setadjoinOr
% 0.18/0.45      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.18/0.45            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.18/0.45           => ( ( Xy = Xx )
% 0.18/0.45              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setoftrueEq_type,type,
% 0.18/0.45      setoftrueEq: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setoftrueEq,definition,
% 0.18/0.45      ( setoftrueEq
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45            ( ( dsetconstr @ A
% 0.18/0.45              @ ^ [Xx: $i] : $true )
% 0.18/0.45            = A ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(powersetI_type,type,
% 0.18/0.45      powersetI: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(powersetI,definition,
% 0.18/0.45      ( powersetI
% 0.18/0.45      = ( ! [A: $i,B: $i] :
% 0.18/0.45            ( ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ B )
% 0.18/0.45               => ( in @ Xx @ A ) )
% 0.18/0.45           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyinPowerset_type,type,
% 0.18/0.45      emptyinPowerset: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyinPowerset,definition,
% 0.18/0.45      ( emptyinPowerset
% 0.18/0.45      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyInPowerset_type,type,
% 0.18/0.45      emptyInPowerset: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyInPowerset,definition,
% 0.18/0.45      ( emptyInPowerset
% 0.18/0.45      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(powersetE_type,type,
% 0.18/0.45      powersetE: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(powersetE,definition,
% 0.18/0.45      ( powersetE
% 0.18/0.45      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.18/0.45            ( ( in @ B @ ( powerset @ A ) )
% 0.18/0.45           => ( ( in @ Xx @ B )
% 0.18/0.45             => ( in @ Xx @ A ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setunionI_type,type,
% 0.18/0.45      setunionI: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setunionI,definition,
% 0.18/0.45      ( setunionI
% 0.18/0.45      = ( ! [A: $i,Xx: $i,B: $i] :
% 0.18/0.45            ( ( in @ Xx @ B )
% 0.18/0.45           => ( ( in @ B @ A )
% 0.18/0.45             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setunionE_type,type,
% 0.18/0.45      setunionE: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setunionE,definition,
% 0.18/0.45      ( setunionE
% 0.18/0.45      = ( ! [A: $i,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ ( setunion @ A ) )
% 0.18/0.45           => ! [Xphi: $o] :
% 0.18/0.45                ( ! [B: $i] :
% 0.18/0.45                    ( ( in @ Xx @ B )
% 0.18/0.45                   => ( ( in @ B @ A )
% 0.18/0.45                     => Xphi ) )
% 0.18/0.45               => Xphi ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(subPowSU_type,type,
% 0.18/0.45      subPowSU: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(subPowSU,definition,
% 0.18/0.45      ( subPowSU
% 0.18/0.45      = ( ! [A: $i,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ A )
% 0.18/0.45           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(exuE2_type,type,
% 0.18/0.45      exuE2: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exuE2,definition,
% 0.18/0.45      ( exuE2
% 0.18/0.45      = ( ! [Xphi: $i > $o] :
% 0.18/0.45            ( ( exu
% 0.18/0.45              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.18/0.45           => ? [Xx: $i] :
% 0.18/0.45              ! [Xy: $i] :
% 0.18/0.45                ( ( Xphi @ Xy )
% 0.18/0.45              <=> ( Xy = Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(nonemptyImpWitness_type,type,
% 0.18/0.45      nonemptyImpWitness: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(nonemptyImpWitness,definition,
% 0.18/0.45      ( nonemptyImpWitness
% 0.18/0.45      = ( ! [A: $i] :
% 0.18/0.45            ( ( nonempty @ A )
% 0.18/0.45           => ? [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45                & $true ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(uniqinunit_type,type,
% 0.18/0.45      uniqinunit: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(uniqinunit,definition,
% 0.18/0.45      ( uniqinunit
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i] :
% 0.18/0.45            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.18/0.45           => ( Xx = Xy ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(notinsingleton_type,type,
% 0.18/0.45      notinsingleton: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(notinsingleton,definition,
% 0.18/0.45      ( notinsingleton
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i] :
% 0.18/0.45            ( ( Xx != Xy )
% 0.18/0.45           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(eqinunit_type,type,
% 0.18/0.45      eqinunit: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(eqinunit,definition,
% 0.18/0.45      ( eqinunit
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i] :
% 0.18/0.45            ( ( Xx = Xy )
% 0.18/0.45           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(singletonsswitch_type,type,
% 0.18/0.45      singletonsswitch: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(singletonsswitch,definition,
% 0.18/0.45      ( singletonsswitch
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i] :
% 0.18/0.45            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.18/0.45           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(upairsetE_type,type,
% 0.18/0.45      upairsetE: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(upairsetE,definition,
% 0.18/0.45      ( upairsetE
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 0.18/0.45            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 0.18/0.45           => ( ( Xz = Xx )
% 0.18/0.45              | ( Xz = Xy ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(upairsetIL_type,type,
% 0.18/0.45      upairsetIL: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(upairsetIL,definition,
% 0.18/0.45      ( upairsetIL
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(upairsetIR_type,type,
% 0.18/0.45      upairsetIR: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(upairsetIR,definition,
% 0.18/0.45      ( upairsetIR
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyE1_type,type,
% 0.18/0.45      emptyE1: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyE1,definition,
% 0.18/0.45      ( emptyE1
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o] :
% 0.18/0.45            ( ? [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45                & ( Xphi @ Xx ) )
% 0.18/0.45           => ( ( ( dsetconstr @ A
% 0.18/0.45                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.18/0.45                = emptyset )
% 0.18/0.45             => $false ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(vacuousDall_type,type,
% 0.18/0.45      vacuousDall: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(vacuousDall,definition,
% 0.18/0.45      ( vacuousDall
% 0.18/0.45      = ( ! [Xphi: $i > $o,Xx: $i] :
% 0.18/0.45            ( ( in @ Xx @ emptyset )
% 0.18/0.45           => ( Xphi @ Xx ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(quantDeMorgan1_type,type,
% 0.18/0.45      quantDeMorgan1: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(quantDeMorgan1,definition,
% 0.18/0.45      ( quantDeMorgan1
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o] :
% 0.18/0.45            ( ~ ! [Xx: $i] :
% 0.18/0.45                  ( ( in @ Xx @ A )
% 0.18/0.45                 => ( Xphi @ Xx ) )
% 0.18/0.45           => ? [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(quantDeMorgan2_type,type,
% 0.18/0.45      quantDeMorgan2: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(quantDeMorgan2,definition,
% 0.18/0.45      ( quantDeMorgan2
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o] :
% 0.18/0.45            ( ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45               => ~ ( Xphi @ Xx ) )
% 0.18/0.45           => ~ ? [Xx: $i] :
% 0.18/0.45                  ( ( in @ Xx @ A )
% 0.18/0.45                  & ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(quantDeMorgan3_type,type,
% 0.18/0.45      quantDeMorgan3: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(quantDeMorgan3,definition,
% 0.18/0.45      ( quantDeMorgan3
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o] :
% 0.18/0.45            ( ~ ? [Xx: $i] :
% 0.18/0.45                  ( ( in @ Xx @ A )
% 0.18/0.45                  & ( Xphi @ Xx ) )
% 0.18/0.45           => ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(quantDeMorgan4_type,type,
% 0.18/0.45      quantDeMorgan4: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(quantDeMorgan4,definition,
% 0.18/0.45      ( quantDeMorgan4
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o] :
% 0.18/0.45            ( ? [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45                & ~ ( Xphi @ Xx ) )
% 0.18/0.45           => ~ ! [Xx: $i] :
% 0.18/0.45                  ( ( in @ Xx @ A )
% 0.18/0.45                 => ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(prop2setI_type,type,
% 0.18/0.45      prop2setI: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(prop2setI,definition,
% 0.18/0.45      ( prop2setI
% 0.18/0.45      = ( ! [Xphi: $o] :
% 0.18/0.45            ( Xphi
% 0.18/0.45           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(set2prop_type,type,
% 0.18/0.45      set2prop: $i > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(prop2set2propI_type,type,
% 0.18/0.45      prop2set2propI: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(prop2set2propI,definition,
% 0.18/0.45      ( prop2set2propI
% 0.18/0.45      = ( ! [Xphi: $o] :
% 0.18/0.45            ( Xphi
% 0.18/0.45           => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(notdexE_type,type,
% 0.18/0.45      notdexE: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(notdexE,definition,
% 0.18/0.45      ( notdexE
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o] :
% 0.18/0.45            ( ~ ? [Xx: $i] :
% 0.18/0.45                  ( ( in @ Xx @ A )
% 0.18/0.45                  & ( Xphi @ Xx ) )
% 0.18/0.45           => ! [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(notdallE_type,type,
% 0.18/0.45      notdallE: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(notdallE,definition,
% 0.18/0.45      ( notdallE
% 0.18/0.45      = ( ! [A: $i,Xphi: $i > $o] :
% 0.18/0.45            ( ~ ! [Xx: $i] :
% 0.18/0.45                  ( ( in @ Xx @ A )
% 0.18/0.45                 => ( Xphi @ Xx ) )
% 0.18/0.45           => ? [Xx: $i] :
% 0.18/0.45                ( ( in @ Xx @ A )
% 0.18/0.45                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(exuI1_type,type,
% 0.18/0.45      exuI1: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exuI1,definition,
% 0.18/0.45      ( exuI1
% 0.18/0.45      = ( ! [Xphi: $i > $o] :
% 0.18/0.45            ( ? [Xx: $i] :
% 0.18/0.45                ( ( Xphi @ Xx )
% 0.18/0.45                & ! [Xy: $i] :
% 0.18/0.45                    ( ( Xphi @ Xy )
% 0.18/0.45                   => ( Xx = Xy ) ) )
% 0.18/0.45           => ( exu
% 0.18/0.45              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(exuI3_type,type,
% 0.18/0.45      exuI3: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exuI3,definition,
% 0.18/0.45      ( exuI3
% 0.18/0.45      = ( ! [Xphi: $i > $o] :
% 0.18/0.45            ( ? [Xx: $i] : ( Xphi @ Xx )
% 0.18/0.45           => ( ! [Xx: $i,Xy: $i] :
% 0.18/0.45                  ( ( Xphi @ Xx )
% 0.18/0.45                 => ( ( Xphi @ Xy )
% 0.18/0.45                   => ( Xx = Xy ) ) )
% 0.18/0.45             => ( exu
% 0.18/0.45                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(exuI2_type,type,
% 0.18/0.45      exuI2: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exuI2,definition,
% 0.18/0.45      ( exuI2
% 0.18/0.45      = ( ! [Xphi: $i > $o] :
% 0.18/0.45            ( ? [Xx: $i] :
% 0.18/0.45              ! [Xy: $i] :
% 0.18/0.45                ( ( Xphi @ Xy )
% 0.18/0.45              <=> ( Xy = Xx ) )
% 0.18/0.45           => ( exu
% 0.18/0.45              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(inCongP_type,type,
% 0.18/0.45      inCongP: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(inCongP,definition,
% 0.18/0.45      ( inCongP
% 0.18/0.45      = ( ! [A: $i,B: $i] :
% 0.18/0.45            ( ( A = B )
% 0.18/0.45           => ! [Xx: $i,Xy: $i] :
% 0.18/0.45                ( ( Xx = Xy )
% 0.18/0.45               => ( ( in @ Xx @ A )
% 0.18/0.45                 => ( in @ Xy @ B ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(in__Cong_type,type,
% 0.18/0.45      in__Cong: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(in__Cong,definition,
% 0.18/0.45      ( in__Cong
% 0.18/0.45      = ( ! [A: $i,B: $i] :
% 0.18/0.45            ( ( A = B )
% 0.18/0.45           => ! [Xx: $i,Xy: $i] :
% 0.18/0.45                ( ( Xx = Xy )
% 0.18/0.45               => ( ( in @ Xx @ A )
% 0.18/0.45                <=> ( in @ Xy @ B ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(exuE3u_type,type,
% 0.18/0.45      exuE3u: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exuE3u,definition,
% 0.18/0.45      ( exuE3u
% 0.18/0.45      = ( ! [Xphi: $i > $o] :
% 0.18/0.45            ( ( exu
% 0.18/0.45              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.18/0.45           => ! [Xx: $i,Xy: $i] :
% 0.18/0.45                ( ( Xphi @ Xx )
% 0.18/0.45               => ( ( Xphi @ Xy )
% 0.18/0.45                 => ( Xx = Xy ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(exu__Cong_type,type,
% 0.18/0.45      exu__Cong: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(exu__Cong,definition,
% 0.18/0.45      ( exu__Cong
% 0.18/0.45      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 0.18/0.45            ( ! [Xx: $i,Xy: $i] :
% 0.18/0.45                ( ( Xx = Xy )
% 0.18/0.45               => ( ( Xphi @ Xx )
% 0.18/0.45                <=> ( Xpsi @ Xy ) ) )
% 0.18/0.45           => ( ( exu
% 0.18/0.45                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.18/0.45            <=> ( exu
% 0.18/0.45                @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyset__Cong_type,type,
% 0.18/0.45      emptyset__Cong: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(emptyset__Cong,definition,
% 0.18/0.45      ( emptyset__Cong
% 0.18/0.45      = ( emptyset = emptyset ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoin__Cong_type,type,
% 0.18/0.45      setadjoin__Cong: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setadjoin__Cong,definition,
% 0.18/0.45      ( setadjoin__Cong
% 0.18/0.45      = ( ! [Xx: $i,Xy: $i] :
% 0.18/0.45            ( ( Xx = Xy )
% 0.18/0.45           => ! [Xz: $i,Xu: $i] :
% 0.18/0.45                ( ( Xz = Xu )
% 0.18/0.45               => ( ( setadjoin @ Xx @ Xz )
% 0.18/0.45                  = ( setadjoin @ Xy @ Xu ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(powerset__Cong_type,type,
% 0.18/0.45      powerset__Cong: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(powerset__Cong,definition,
% 0.18/0.45      ( powerset__Cong
% 0.18/0.45      = ( ! [A: $i,B: $i] :
% 0.18/0.45            ( ( A = B )
% 0.18/0.45           => ( ( powerset @ A )
% 0.18/0.45              = ( powerset @ B ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(setunion__Cong_type,type,
% 0.18/0.45      setunion__Cong: $o ).
% 0.18/0.45  
% 0.18/0.45  thf(setunion__Cong,definition,
% 0.18/0.45      ( setunion__Cong
% 0.18/0.45      = ( ! [A: $i,B: $i] :
% 0.18/0.45            ( ( A = B )
% 0.18/0.45           => ( ( setunion @ A )
% 0.18/0.45              = ( setunion @ B ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(omega__Cong,conjecture,
% 0.18/0.45      ( setextAx
% 0.18/0.45     => ( emptysetAx
% 0.18/0.45       => ( setadjoinAx
% 0.18/0.45         => ( powersetAx
% 0.18/0.45           => ( setunionAx
% 0.18/0.45             => ( omega0Ax
% 0.18/0.45               => ( omegaSAx
% 0.18/0.45                 => ( omegaIndAx
% 0.18/0.45                   => ( replAx
% 0.18/0.45                     => ( foundationAx
% 0.18/0.45                       => ( wellorderingAx
% 0.18/0.45                         => ( descrp
% 0.18/0.45                           => ( dsetconstrI
% 0.18/0.45                             => ( dsetconstrEL
% 0.18/0.45                               => ( dsetconstrER
% 0.18/0.45                                 => ( exuE1
% 0.18/0.45                                   => ( prop2setE
% 0.18/0.45                                     => ( emptysetE
% 0.18/0.45                                       => ( emptysetimpfalse
% 0.18/0.45                                         => ( notinemptyset
% 0.18/0.45                                           => ( exuE3e
% 0.18/0.45                                             => ( setext
% 0.18/0.45                                               => ( emptyI
% 0.18/0.45                                                 => ( noeltsimpempty
% 0.18/0.45                                                   => ( setbeta
% 0.18/0.45                                                     => ( nonemptyE1
% 0.18/0.45                                                       => ( nonemptyI
% 0.18/0.45                                                         => ( nonemptyI1
% 0.18/0.45                                                           => ( setadjoinIL
% 0.18/0.45                                                             => ( emptyinunitempty
% 0.18/0.45                                                               => ( setadjoinIR
% 0.18/0.45                                                                 => ( setadjoinE
% 0.18/0.45                                                                   => ( setadjoinOr
% 0.18/0.45                                                                     => ( setoftrueEq
% 0.18/0.45                                                                       => ( powersetI
% 0.18/0.45                                                                         => ( emptyinPowerset
% 0.18/0.45                                                                           => ( emptyInPowerset
% 0.18/0.45                                                                             => ( powersetE
% 0.18/0.45                                                                               => ( setunionI
% 0.18/0.45                                                                                 => ( setunionE
% 0.18/0.45                                                                                   => ( subPowSU
% 0.18/0.45                                                                                     => ( exuE2
% 0.18/0.45                                                                                       => ( nonemptyImpWitness
% 0.18/0.45                                                                                         => ( uniqinunit
% 0.18/0.45                                                                                           => ( notinsingleton
% 0.18/0.45                                                                                             => ( eqinunit
% 0.18/0.45                                                                                               => ( singletonsswitch
% 0.18/0.45                                                                                                 => ( upairsetE
% 0.18/0.45                                                                                                   => ( upairsetIL
% 0.18/0.45                                                                                                     => ( upairsetIR
% 0.18/0.45                                                                                                       => ( emptyE1
% 0.18/0.45                                                                                                         => ( vacuousDall
% 0.18/0.45                                                                                                           => ( quantDeMorgan1
% 0.18/0.45                                                                                                             => ( quantDeMorgan2
% 0.18/0.45                                                                                                               => ( quantDeMorgan3
% 0.18/0.45                                                                                                                 => ( quantDeMorgan4
% 0.18/0.45                                                                                                                   => ( prop2setI
% 0.18/0.45                                                                                                                     => ( prop2set2propI
% 0.18/0.45                                                                                                                       => ( notdexE
% 0.18/0.45                                                                                                                         => ( notdallE
% 0.18/0.45                                                                                                                           => ( exuI1
% 0.18/0.45                                                                                                                             => ( exuI3
% 0.18/0.45                                                                                                                               => ( exuI2
% 0.18/0.45                                                                                                                                 => ( inCongP
% 0.18/0.45                                                                                                                                   => ( in__Cong
% 0.18/0.45                                                                                                                                     => ( exuE3u
% 0.18/0.45                                                                                                                                       => ( exu__Cong
% 0.18/0.45                                                                                                                                         => ( emptyset__Cong
% 0.18/0.45                                                                                                                                           => ( setadjoin__Cong
% 0.18/0.45                                                                                                                                             => ( powerset__Cong
% 0.18/0.45                                                                                                                                               => ( setunion__Cong
% 0.18/0.45                                                                                                                                                 => ( omega = omega ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  ------------------------
% 2.09/1.42  ---- Embedded in THF ---
% 2.09/1.42  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 2.09/1.42  %%% Generated on Tue Feb 24 12:26:24 EST 2026
% 2.09/1.42  %%% using '$$dhol' embedding, version 1.3.0.
% 2.09/1.42  %%% Logic specification used:
% 2.09/1.42  %%% thf(spec, logic, $$dhol).
% 2.09/1.42  
% 2.09/1.42  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.8fKAZXst12/DTF2DTF11087.p
% See solution above
% 2.09/1.42  ------------------------
% 2.09/1.43  ---- Cleaned THF ---
% 2.09/1.44  thf(in_type,type,
% 2.09/1.44      in: $i > $i > $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exu_type,type,
% 2.09/1.44      exu: ( $i > $o ) > $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exu,definition,
% 2.09/1.44      ( exu
% 2.09/1.44      = ( ^ [Xphi: $i > $o] :
% 2.09/1.44          ? [Xx: $i] :
% 2.09/1.44            ( ( Xphi @ Xx )
% 2.09/1.44            & ! [Xy: $i] :
% 2.09/1.44                ( ( Xphi @ Xy )
% 2.09/1.44               => ( Xx = Xy ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setextAx_type,type,
% 2.09/1.44      setextAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setextAx,definition,
% 2.09/1.44      ( setextAx
% 2.09/1.44      = ( ! [A: $i,B: $i] :
% 2.09/1.44            ( ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44              <=> ( in @ Xx @ B ) )
% 2.09/1.44           => ( A = B ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyset_type,type,
% 2.09/1.44      emptyset: $i ).
% 2.09/1.44  
% 2.09/1.44  thf(emptysetAx_type,type,
% 2.09/1.44      emptysetAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptysetAx,definition,
% 2.09/1.44      ( emptysetAx
% 2.09/1.44      = ( ! [Xx: $i] :
% 2.09/1.44            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoin_type,type,
% 2.09/1.44      setadjoin: $i > $i > $i ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinAx_type,type,
% 2.09/1.44      setadjoinAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinAx,definition,
% 2.09/1.44      ( setadjoinAx
% 2.09/1.44      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.09/1.44            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.09/1.44          <=> ( ( Xy = Xx )
% 2.09/1.44              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(powerset_type,type,
% 2.09/1.44      powerset: $i > $i ).
% 2.09/1.44  
% 2.09/1.44  thf(powersetAx_type,type,
% 2.09/1.44      powersetAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(powersetAx,definition,
% 2.09/1.44      ( powersetAx
% 2.09/1.44      = ( ! [A: $i,B: $i] :
% 2.09/1.44            ( ( in @ B @ ( powerset @ A ) )
% 2.09/1.44          <=> ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ B )
% 2.09/1.44               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setunion_type,type,
% 2.09/1.44      setunion: $i > $i ).
% 2.09/1.44  
% 2.09/1.44  thf(setunionAx_type,type,
% 2.09/1.44      setunionAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setunionAx,definition,
% 2.09/1.44      ( setunionAx
% 2.09/1.44      = ( ! [A: $i,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ ( setunion @ A ) )
% 2.09/1.44          <=> ? [B: $i] :
% 2.09/1.44                ( ( in @ Xx @ B )
% 2.09/1.44                & ( in @ B @ A ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(omega_type,type,
% 2.09/1.44      omega: $i ).
% 2.09/1.44  
% 2.09/1.44  thf(omega0Ax_type,type,
% 2.09/1.44      omega0Ax: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(omega0Ax,definition,
% 2.09/1.44      ( omega0Ax
% 2.09/1.44      = ( in @ emptyset @ omega ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(omegaSAx_type,type,
% 2.09/1.44      omegaSAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(omegaSAx,definition,
% 2.09/1.44      ( omegaSAx
% 2.09/1.44      = ( ! [Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ omega )
% 2.09/1.44           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(omegaIndAx_type,type,
% 2.09/1.44      omegaIndAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(omegaIndAx,definition,
% 2.09/1.44      ( omegaIndAx
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44            ( ( ( in @ emptyset @ A )
% 2.09/1.44              & ! [Xx: $i] :
% 2.09/1.44                  ( ( ( in @ Xx @ omega )
% 2.09/1.44                    & ( in @ Xx @ A ) )
% 2.09/1.44                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 2.09/1.44           => ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ omega )
% 2.09/1.44               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(replAx_type,type,
% 2.09/1.44      replAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(replAx,definition,
% 2.09/1.44      ( replAx
% 2.09/1.44      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 2.09/1.44            ( ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44               => ( exu
% 2.09/1.44                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 2.09/1.44           => ? [B: $i] :
% 2.09/1.44              ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ B )
% 2.09/1.44              <=> ? [Xy: $i] :
% 2.09/1.44                    ( ( in @ Xy @ A )
% 2.09/1.44                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(foundationAx_type,type,
% 2.09/1.44      foundationAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(foundationAx,definition,
% 2.09/1.44      ( foundationAx
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.09/1.44           => ? [B: $i] :
% 2.09/1.44                ( ( in @ B @ A )
% 2.09/1.44                & ~ ? [Xx: $i] :
% 2.09/1.44                      ( ( in @ Xx @ B )
% 2.09/1.44                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(wellorderingAx_type,type,
% 2.09/1.44      wellorderingAx: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(wellorderingAx,definition,
% 2.09/1.44      ( wellorderingAx
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44          ? [B: $i] :
% 2.09/1.44            ( ! [C: $i] :
% 2.09/1.44                ( ( in @ C @ B )
% 2.09/1.44               => ! [Xx: $i] :
% 2.09/1.44                    ( ( in @ Xx @ C )
% 2.09/1.44                   => ( in @ Xx @ A ) ) )
% 2.09/1.44            & ! [Xx: $i,Xy: $i] :
% 2.09/1.44                ( ( ( in @ Xx @ A )
% 2.09/1.44                  & ( in @ Xy @ A ) )
% 2.09/1.44               => ( ! [C: $i] :
% 2.09/1.44                      ( ( in @ C @ B )
% 2.09/1.44                     => ( ( in @ Xx @ C )
% 2.09/1.44                      <=> ( in @ Xy @ C ) ) )
% 2.09/1.44                 => ( Xx = Xy ) ) )
% 2.09/1.44            & ! [C: $i,D: $i] :
% 2.09/1.44                ( ( ( in @ C @ B )
% 2.09/1.44                  & ( in @ D @ B ) )
% 2.09/1.44               => ( ! [Xx: $i] :
% 2.09/1.44                      ( ( in @ Xx @ C )
% 2.09/1.44                     => ( in @ Xx @ D ) )
% 2.09/1.44                  | ! [Xx: $i] :
% 2.09/1.44                      ( ( in @ Xx @ D )
% 2.09/1.44                     => ( in @ Xx @ C ) ) ) )
% 2.09/1.44            & ! [C: $i] :
% 2.09/1.44                ( ( ! [Xx: $i] :
% 2.09/1.44                      ( ( in @ Xx @ C )
% 2.09/1.44                     => ( in @ Xx @ A ) )
% 2.09/1.44                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 2.09/1.44               => ? [D: $i,Xx: $i] :
% 2.09/1.44                    ( ( in @ D @ B )
% 2.09/1.44                    & ( in @ Xx @ C )
% 2.09/1.44                    & ~ ? [Xy: $i] :
% 2.09/1.44                          ( ( in @ Xy @ D )
% 2.09/1.44                          & ( in @ Xy @ C ) )
% 2.09/1.44                    & ! [E: $i] :
% 2.09/1.44                        ( ( in @ E @ B )
% 2.09/1.44                       => ( ! [Xy: $i] :
% 2.09/1.44                              ( ( in @ Xy @ E )
% 2.09/1.44                             => ( in @ Xy @ D ) )
% 2.09/1.44                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(descr_type,type,
% 2.09/1.44      descr: ( $i > $o ) > $i ).
% 2.09/1.44  
% 2.09/1.44  thf(descrp_type,type,
% 2.09/1.44      descrp: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(descrp,definition,
% 2.09/1.44      ( descrp
% 2.09/1.44      = ( ! [Xphi: $i > $o] :
% 2.09/1.44            ( ( exu
% 2.09/1.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.09/1.44           => ( Xphi
% 2.09/1.44              @ ( descr
% 2.09/1.44                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(dsetconstr_type,type,
% 2.09/1.44      dsetconstr: $i > ( $i > $o ) > $i ).
% 2.09/1.44  
% 2.09/1.44  thf(dsetconstrI_type,type,
% 2.09/1.44      dsetconstrI: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(dsetconstrI,definition,
% 2.09/1.44      ( dsetconstrI
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ A )
% 2.09/1.44           => ( ( Xphi @ Xx )
% 2.09/1.44             => ( in @ Xx
% 2.09/1.44                @ ( dsetconstr @ A
% 2.09/1.44                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(dsetconstrEL_type,type,
% 2.09/1.44      dsetconstrEL: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(dsetconstrEL,definition,
% 2.09/1.44      ( dsetconstrEL
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx
% 2.09/1.44              @ ( dsetconstr @ A
% 2.09/1.44                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.09/1.44           => ( in @ Xx @ A ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(dsetconstrER_type,type,
% 2.09/1.44      dsetconstrER: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(dsetconstrER,definition,
% 2.09/1.44      ( dsetconstrER
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx
% 2.09/1.44              @ ( dsetconstr @ A
% 2.09/1.44                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.09/1.44           => ( Xphi @ Xx ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(exuE1_type,type,
% 2.09/1.44      exuE1: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exuE1,definition,
% 2.09/1.44      ( exuE1
% 2.09/1.44      = ( ! [Xphi: $i > $o] :
% 2.09/1.44            ( ( exu
% 2.09/1.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.09/1.44           => ? [Xx: $i] :
% 2.09/1.44                ( ( Xphi @ Xx )
% 2.09/1.44                & ! [Xy: $i] :
% 2.09/1.44                    ( ( Xphi @ Xy )
% 2.09/1.44                   => ( Xx = Xy ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(prop2set_type,type,
% 2.09/1.44      prop2set: $o > $i ).
% 2.09/1.44  
% 2.09/1.44  thf(prop2setE_type,type,
% 2.09/1.44      prop2setE: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(prop2setE,definition,
% 2.09/1.44      ( prop2setE
% 2.09/1.44      = ( ! [Xphi: $o,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 2.09/1.44           => Xphi ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptysetE_type,type,
% 2.09/1.44      emptysetE: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptysetE,definition,
% 2.09/1.44      ( emptysetE
% 2.09/1.44      = ( ! [Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ emptyset )
% 2.09/1.44           => ! [Xphi: $o] : Xphi ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptysetimpfalse_type,type,
% 2.09/1.44      emptysetimpfalse: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptysetimpfalse,definition,
% 2.09/1.44      ( emptysetimpfalse
% 2.09/1.44      = ( ! [Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ emptyset )
% 2.09/1.44           => $false ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(notinemptyset_type,type,
% 2.09/1.44      notinemptyset: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(notinemptyset,definition,
% 2.09/1.44      ( notinemptyset
% 2.09/1.44      = ( ! [Xx: $i] :
% 2.09/1.44            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(exuE3e_type,type,
% 2.09/1.44      exuE3e: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exuE3e,definition,
% 2.09/1.44      ( exuE3e
% 2.09/1.44      = ( ! [Xphi: $i > $o] :
% 2.09/1.44            ( ( exu
% 2.09/1.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.09/1.44           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setext_type,type,
% 2.09/1.44      setext: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setext,definition,
% 2.09/1.44      ( setext
% 2.09/1.44      = ( ! [A: $i,B: $i] :
% 2.09/1.44            ( ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44               => ( in @ Xx @ B ) )
% 2.09/1.44           => ( ! [Xx: $i] :
% 2.09/1.44                  ( ( in @ Xx @ B )
% 2.09/1.44                 => ( in @ Xx @ A ) )
% 2.09/1.44             => ( A = B ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyI_type,type,
% 2.09/1.44      emptyI: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyI,definition,
% 2.09/1.44      ( emptyI
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44            ( ! [Xx: $i] :
% 2.09/1.44                ~ ( in @ Xx @ A )
% 2.09/1.44           => ( A = emptyset ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(noeltsimpempty_type,type,
% 2.09/1.44      noeltsimpempty: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(noeltsimpempty,definition,
% 2.09/1.44      ( noeltsimpempty
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44            ( ! [Xx: $i] :
% 2.09/1.44                ~ ( in @ Xx @ A )
% 2.09/1.44           => ( A = emptyset ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setbeta_type,type,
% 2.09/1.44      setbeta: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setbeta,definition,
% 2.09/1.44      ( setbeta
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ A )
% 2.09/1.44           => ( ( in @ Xx
% 2.09/1.44                @ ( dsetconstr @ A
% 2.09/1.44                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.09/1.44            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(nonempty_type,type,
% 2.09/1.44      nonempty: $i > $o ).
% 2.09/1.44  
% 2.09/1.44  thf(nonempty,definition,
% 2.09/1.44      ( nonempty
% 2.09/1.44      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(nonemptyE1_type,type,
% 2.09/1.44      nonemptyE1: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(nonemptyE1,definition,
% 2.09/1.44      ( nonemptyE1
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44            ( ( nonempty @ A )
% 2.09/1.44           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(nonemptyI_type,type,
% 2.09/1.44      nonemptyI: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(nonemptyI,definition,
% 2.09/1.44      ( nonemptyI
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ A )
% 2.09/1.44           => ( ( Xphi @ Xx )
% 2.09/1.44             => ( nonempty
% 2.09/1.44                @ ( dsetconstr @ A
% 2.09/1.44                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(nonemptyI1_type,type,
% 2.09/1.44      nonemptyI1: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(nonemptyI1,definition,
% 2.09/1.44      ( nonemptyI1
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.09/1.44           => ( nonempty @ A ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinIL_type,type,
% 2.09/1.44      setadjoinIL: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinIL,definition,
% 2.09/1.44      ( setadjoinIL
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyinunitempty_type,type,
% 2.09/1.44      emptyinunitempty: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyinunitempty,definition,
% 2.09/1.44      ( emptyinunitempty
% 2.09/1.44      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinIR_type,type,
% 2.09/1.44      setadjoinIR: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinIR,definition,
% 2.09/1.44      ( setadjoinIR
% 2.09/1.44      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.09/1.44            ( ( in @ Xy @ A )
% 2.09/1.44           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinE_type,type,
% 2.09/1.44      setadjoinE: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinE,definition,
% 2.09/1.44      ( setadjoinE
% 2.09/1.44      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.09/1.44            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.09/1.44           => ! [Xphi: $o] :
% 2.09/1.44                ( ( ( Xy = Xx )
% 2.09/1.44                 => Xphi )
% 2.09/1.44               => ( ( ( in @ Xy @ A )
% 2.09/1.44                   => Xphi )
% 2.09/1.44                 => Xphi ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinOr_type,type,
% 2.09/1.44      setadjoinOr: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoinOr,definition,
% 2.09/1.44      ( setadjoinOr
% 2.09/1.44      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.09/1.44            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.09/1.44           => ( ( Xy = Xx )
% 2.09/1.44              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setoftrueEq_type,type,
% 2.09/1.44      setoftrueEq: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setoftrueEq,definition,
% 2.09/1.44      ( setoftrueEq
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44            ( ( dsetconstr @ A
% 2.09/1.44              @ ^ [Xx: $i] : $true )
% 2.09/1.44            = A ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(powersetI_type,type,
% 2.09/1.44      powersetI: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(powersetI,definition,
% 2.09/1.44      ( powersetI
% 2.09/1.44      = ( ! [A: $i,B: $i] :
% 2.09/1.44            ( ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ B )
% 2.09/1.44               => ( in @ Xx @ A ) )
% 2.09/1.44           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyinPowerset_type,type,
% 2.09/1.44      emptyinPowerset: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyinPowerset,definition,
% 2.09/1.44      ( emptyinPowerset
% 2.09/1.44      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyInPowerset_type,type,
% 2.09/1.44      emptyInPowerset: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyInPowerset,definition,
% 2.09/1.44      ( emptyInPowerset
% 2.09/1.44      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(powersetE_type,type,
% 2.09/1.44      powersetE: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(powersetE,definition,
% 2.09/1.44      ( powersetE
% 2.09/1.44      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.09/1.44            ( ( in @ B @ ( powerset @ A ) )
% 2.09/1.44           => ( ( in @ Xx @ B )
% 2.09/1.44             => ( in @ Xx @ A ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setunionI_type,type,
% 2.09/1.44      setunionI: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setunionI,definition,
% 2.09/1.44      ( setunionI
% 2.09/1.44      = ( ! [A: $i,Xx: $i,B: $i] :
% 2.09/1.44            ( ( in @ Xx @ B )
% 2.09/1.44           => ( ( in @ B @ A )
% 2.09/1.44             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setunionE_type,type,
% 2.09/1.44      setunionE: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setunionE,definition,
% 2.09/1.44      ( setunionE
% 2.09/1.44      = ( ! [A: $i,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ ( setunion @ A ) )
% 2.09/1.44           => ! [Xphi: $o] :
% 2.09/1.44                ( ! [B: $i] :
% 2.09/1.44                    ( ( in @ Xx @ B )
% 2.09/1.44                   => ( ( in @ B @ A )
% 2.09/1.44                     => Xphi ) )
% 2.09/1.44               => Xphi ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(subPowSU_type,type,
% 2.09/1.44      subPowSU: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(subPowSU,definition,
% 2.09/1.44      ( subPowSU
% 2.09/1.44      = ( ! [A: $i,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ A )
% 2.09/1.44           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(exuE2_type,type,
% 2.09/1.44      exuE2: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exuE2,definition,
% 2.09/1.44      ( exuE2
% 2.09/1.44      = ( ! [Xphi: $i > $o] :
% 2.09/1.44            ( ( exu
% 2.09/1.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.09/1.44           => ? [Xx: $i] :
% 2.09/1.44              ! [Xy: $i] :
% 2.09/1.44                ( ( Xphi @ Xy )
% 2.09/1.44              <=> ( Xy = Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(nonemptyImpWitness_type,type,
% 2.09/1.44      nonemptyImpWitness: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(nonemptyImpWitness,definition,
% 2.09/1.44      ( nonemptyImpWitness
% 2.09/1.44      = ( ! [A: $i] :
% 2.09/1.44            ( ( nonempty @ A )
% 2.09/1.44           => ? [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44                & $true ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(uniqinunit_type,type,
% 2.09/1.44      uniqinunit: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(uniqinunit,definition,
% 2.09/1.44      ( uniqinunit
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i] :
% 2.09/1.44            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.09/1.44           => ( Xx = Xy ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(notinsingleton_type,type,
% 2.09/1.44      notinsingleton: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(notinsingleton,definition,
% 2.09/1.44      ( notinsingleton
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i] :
% 2.09/1.44            ( ( Xx != Xy )
% 2.09/1.44           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(eqinunit_type,type,
% 2.09/1.44      eqinunit: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(eqinunit,definition,
% 2.09/1.44      ( eqinunit
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i] :
% 2.09/1.44            ( ( Xx = Xy )
% 2.09/1.44           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(singletonsswitch_type,type,
% 2.09/1.44      singletonsswitch: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(singletonsswitch,definition,
% 2.09/1.44      ( singletonsswitch
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i] :
% 2.09/1.44            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.09/1.44           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(upairsetE_type,type,
% 2.09/1.44      upairsetE: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(upairsetE,definition,
% 2.09/1.44      ( upairsetE
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 2.09/1.44            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 2.09/1.44           => ( ( Xz = Xx )
% 2.09/1.44              | ( Xz = Xy ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(upairsetIL_type,type,
% 2.09/1.44      upairsetIL: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(upairsetIL,definition,
% 2.09/1.44      ( upairsetIL
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(upairsetIR_type,type,
% 2.09/1.44      upairsetIR: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(upairsetIR,definition,
% 2.09/1.44      ( upairsetIR
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyE1_type,type,
% 2.09/1.44      emptyE1: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyE1,definition,
% 2.09/1.44      ( emptyE1
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o] :
% 2.09/1.44            ( ? [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44                & ( Xphi @ Xx ) )
% 2.09/1.44           => ( ( ( dsetconstr @ A
% 2.09/1.44                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.09/1.44                = emptyset )
% 2.09/1.44             => $false ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(vacuousDall_type,type,
% 2.09/1.44      vacuousDall: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(vacuousDall,definition,
% 2.09/1.44      ( vacuousDall
% 2.09/1.44      = ( ! [Xphi: $i > $o,Xx: $i] :
% 2.09/1.44            ( ( in @ Xx @ emptyset )
% 2.09/1.44           => ( Xphi @ Xx ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(quantDeMorgan1_type,type,
% 2.09/1.44      quantDeMorgan1: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(quantDeMorgan1,definition,
% 2.09/1.44      ( quantDeMorgan1
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o] :
% 2.09/1.44            ( ~ ! [Xx: $i] :
% 2.09/1.44                  ( ( in @ Xx @ A )
% 2.09/1.44                 => ( Xphi @ Xx ) )
% 2.09/1.44           => ? [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(quantDeMorgan2_type,type,
% 2.09/1.44      quantDeMorgan2: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(quantDeMorgan2,definition,
% 2.09/1.44      ( quantDeMorgan2
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o] :
% 2.09/1.44            ( ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44               => ~ ( Xphi @ Xx ) )
% 2.09/1.44           => ~ ? [Xx: $i] :
% 2.09/1.44                  ( ( in @ Xx @ A )
% 2.09/1.44                  & ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(quantDeMorgan3_type,type,
% 2.09/1.44      quantDeMorgan3: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(quantDeMorgan3,definition,
% 2.09/1.44      ( quantDeMorgan3
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o] :
% 2.09/1.44            ( ~ ? [Xx: $i] :
% 2.09/1.44                  ( ( in @ Xx @ A )
% 2.09/1.44                  & ( Xphi @ Xx ) )
% 2.09/1.44           => ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(quantDeMorgan4_type,type,
% 2.09/1.44      quantDeMorgan4: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(quantDeMorgan4,definition,
% 2.09/1.44      ( quantDeMorgan4
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o] :
% 2.09/1.44            ( ? [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44                & ~ ( Xphi @ Xx ) )
% 2.09/1.44           => ~ ! [Xx: $i] :
% 2.09/1.44                  ( ( in @ Xx @ A )
% 2.09/1.44                 => ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(prop2setI_type,type,
% 2.09/1.44      prop2setI: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(prop2setI,definition,
% 2.09/1.44      ( prop2setI
% 2.09/1.44      = ( ! [Xphi: $o] :
% 2.09/1.44            ( Xphi
% 2.09/1.44           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(set2prop_type,type,
% 2.09/1.44      set2prop: $i > $o ).
% 2.09/1.44  
% 2.09/1.44  thf(prop2set2propI_type,type,
% 2.09/1.44      prop2set2propI: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(prop2set2propI,definition,
% 2.09/1.44      ( prop2set2propI
% 2.09/1.44      = ( ! [Xphi: $o] :
% 2.09/1.44            ( Xphi
% 2.09/1.44           => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(notdexE_type,type,
% 2.09/1.44      notdexE: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(notdexE,definition,
% 2.09/1.44      ( notdexE
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o] :
% 2.09/1.44            ( ~ ? [Xx: $i] :
% 2.09/1.44                  ( ( in @ Xx @ A )
% 2.09/1.44                  & ( Xphi @ Xx ) )
% 2.09/1.44           => ! [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(notdallE_type,type,
% 2.09/1.44      notdallE: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(notdallE,definition,
% 2.09/1.44      ( notdallE
% 2.09/1.44      = ( ! [A: $i,Xphi: $i > $o] :
% 2.09/1.44            ( ~ ! [Xx: $i] :
% 2.09/1.44                  ( ( in @ Xx @ A )
% 2.09/1.44                 => ( Xphi @ Xx ) )
% 2.09/1.44           => ? [Xx: $i] :
% 2.09/1.44                ( ( in @ Xx @ A )
% 2.09/1.44                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(exuI1_type,type,
% 2.09/1.44      exuI1: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exuI1,definition,
% 2.09/1.44      ( exuI1
% 2.09/1.44      = ( ! [Xphi: $i > $o] :
% 2.09/1.44            ( ? [Xx: $i] :
% 2.09/1.44                ( ( Xphi @ Xx )
% 2.09/1.44                & ! [Xy: $i] :
% 2.09/1.44                    ( ( Xphi @ Xy )
% 2.09/1.44                   => ( Xx = Xy ) ) )
% 2.09/1.44           => ( exu
% 2.09/1.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(exuI3_type,type,
% 2.09/1.44      exuI3: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exuI3,definition,
% 2.09/1.44      ( exuI3
% 2.09/1.44      = ( ! [Xphi: $i > $o] :
% 2.09/1.44            ( ? [Xx: $i] : ( Xphi @ Xx )
% 2.09/1.44           => ( ! [Xx: $i,Xy: $i] :
% 2.09/1.44                  ( ( Xphi @ Xx )
% 2.09/1.44                 => ( ( Xphi @ Xy )
% 2.09/1.44                   => ( Xx = Xy ) ) )
% 2.09/1.44             => ( exu
% 2.09/1.44                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(exuI2_type,type,
% 2.09/1.44      exuI2: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exuI2,definition,
% 2.09/1.44      ( exuI2
% 2.09/1.44      = ( ! [Xphi: $i > $o] :
% 2.09/1.44            ( ? [Xx: $i] :
% 2.09/1.44              ! [Xy: $i] :
% 2.09/1.44                ( ( Xphi @ Xy )
% 2.09/1.44              <=> ( Xy = Xx ) )
% 2.09/1.44           => ( exu
% 2.09/1.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(inCongP_type,type,
% 2.09/1.44      inCongP: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(inCongP,definition,
% 2.09/1.44      ( inCongP
% 2.09/1.44      = ( ! [A: $i,B: $i] :
% 2.09/1.44            ( ( A = B )
% 2.09/1.44           => ! [Xx: $i,Xy: $i] :
% 2.09/1.44                ( ( Xx = Xy )
% 2.09/1.44               => ( ( in @ Xx @ A )
% 2.09/1.44                 => ( in @ Xy @ B ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(in__Cong_type,type,
% 2.09/1.44      in__Cong: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(in__Cong,definition,
% 2.09/1.44      ( in__Cong
% 2.09/1.44      = ( ! [A: $i,B: $i] :
% 2.09/1.44            ( ( A = B )
% 2.09/1.44           => ! [Xx: $i,Xy: $i] :
% 2.09/1.44                ( ( Xx = Xy )
% 2.09/1.44               => ( ( in @ Xx @ A )
% 2.09/1.44                <=> ( in @ Xy @ B ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(exuE3u_type,type,
% 2.09/1.44      exuE3u: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exuE3u,definition,
% 2.09/1.44      ( exuE3u
% 2.09/1.44      = ( ! [Xphi: $i > $o] :
% 2.09/1.44            ( ( exu
% 2.09/1.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.09/1.44           => ! [Xx: $i,Xy: $i] :
% 2.09/1.44                ( ( Xphi @ Xx )
% 2.09/1.44               => ( ( Xphi @ Xy )
% 2.09/1.44                 => ( Xx = Xy ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(exu__Cong_type,type,
% 2.09/1.44      exu__Cong: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(exu__Cong,definition,
% 2.09/1.44      ( exu__Cong
% 2.09/1.44      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 2.09/1.44            ( ! [Xx: $i,Xy: $i] :
% 2.09/1.44                ( ( Xx = Xy )
% 2.09/1.44               => ( ( Xphi @ Xx )
% 2.09/1.44                <=> ( Xpsi @ Xy ) ) )
% 2.09/1.44           => ( ( exu
% 2.09/1.44                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.09/1.44            <=> ( exu
% 2.09/1.44                @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyset__Cong_type,type,
% 2.09/1.44      emptyset__Cong: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(emptyset__Cong,definition,
% 2.09/1.44      ( emptyset__Cong
% 2.09/1.44      = ( emptyset = emptyset ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoin__Cong_type,type,
% 2.09/1.44      setadjoin__Cong: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setadjoin__Cong,definition,
% 2.09/1.44      ( setadjoin__Cong
% 2.09/1.44      = ( ! [Xx: $i,Xy: $i] :
% 2.09/1.44            ( ( Xx = Xy )
% 2.09/1.44           => ! [Xz: $i,Xu: $i] :
% 2.09/1.44                ( ( Xz = Xu )
% 2.09/1.44               => ( ( setadjoin @ Xx @ Xz )
% 2.09/1.44                  = ( setadjoin @ Xy @ Xu ) ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(powerset__Cong_type,type,
% 2.09/1.44      powerset__Cong: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(powerset__Cong,definition,
% 2.09/1.44      ( powerset__Cong
% 2.09/1.44      = ( ! [A: $i,B: $i] :
% 2.09/1.44            ( ( A = B )
% 2.09/1.44           => ( ( powerset @ A )
% 2.09/1.44              = ( powerset @ B ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(setunion__Cong_type,type,
% 2.09/1.44      setunion__Cong: $o ).
% 2.09/1.44  
% 2.09/1.44  thf(setunion__Cong,definition,
% 2.09/1.44      ( setunion__Cong
% 2.09/1.44      = ( ! [A: $i,B: $i] :
% 2.09/1.44            ( ( A = B )
% 2.09/1.44           => ( ( setunion @ A )
% 2.09/1.44              = ( setunion @ B ) ) ) ) ) ).
% 2.09/1.44  
% 2.09/1.44  thf(omega__Cong,conjecture,
% 2.09/1.44      ( setextAx
% 2.09/1.44     => ( emptysetAx
% 2.09/1.44       => ( setadjoinAx
% 2.09/1.44         => ( powersetAx
% 2.09/1.44           => ( setunionAx
% 2.09/1.44             => ( omega0Ax
% 2.09/1.44               => ( omegaSAx
% 2.09/1.44                 => ( omegaIndAx
% 2.09/1.44                   => ( replAx
% 2.09/1.44                     => ( foundationAx
% 2.09/1.44                       => ( wellorderingAx
% 2.09/1.44                         => ( descrp
% 2.09/1.44                           => ( dsetconstrI
% 2.09/1.44                             => ( dsetconstrEL
% 2.09/1.44                               => ( dsetconstrER
% 2.09/1.44                                 => ( exuE1
% 2.09/1.44                                   => ( prop2setE
% 2.09/1.44                                     => ( emptysetE
% 2.09/1.44                                       => ( emptysetimpfalse
% 2.09/1.44                                         => ( notinemptyset
% 2.09/1.44                                           => ( exuE3e
% 2.09/1.44                                             => ( setext
% 2.09/1.44                                               => ( emptyI
% 2.09/1.44                                                 => ( noeltsimpempty
% 2.09/1.44                                                   => ( setbeta
% 2.09/1.44                                                     => ( nonemptyE1
% 2.09/1.44                                                       => ( nonemptyI
% 2.09/1.44                                                         => ( nonemptyI1
% 2.09/1.44                                                           => ( setadjoinIL
% 2.09/1.44                                                             => ( emptyinunitempty
% 2.09/1.44                                                               => ( setadjoinIR
% 2.09/1.44                                                                 => ( setadjoinE
% 2.09/1.44                                                                   => ( setadjoinOr
% 2.09/1.44                                                                     => ( setoftrueEq
% 2.09/1.44                                                                       => ( powersetI
% 2.09/1.44                                                                         => ( emptyinPowerset
% 2.09/1.44                                                                           => ( emptyInPowerset
% 2.09/1.44                                                                             => ( powersetE
% 2.09/1.44                                                                               => ( setunionI
% 2.09/1.44                                                                                 => ( setunionE
% 2.09/1.44                                                                                   => ( subPowSU
% 2.09/1.44                                                                                     => ( exuE2
% 2.09/1.44                                                                                       => ( nonemptyImpWitness
% 2.09/1.44                                                                                         => ( uniqinunit
% 2.09/1.44                                                                                           => ( notinsingleton
% 2.09/1.44                                                                                             => ( eqinunit
% 2.09/1.44                                                                                               => ( singletonsswitch
% 2.09/1.44                                                                                                 => ( upairsetE
% 2.09/1.44                                                                                                   => ( upairsetIL
% 2.09/1.44                                                                                                     => ( upairsetIR
% 2.09/1.44                                                                                                       => ( emptyE1
% 2.09/1.44                                                                                                         => ( vacuousDall
% 2.09/1.44                                                                                                           => ( quantDeMorgan1
% 2.09/1.44                                                                                                             => ( quantDeMorgan2
% 2.09/1.44                                                                                                               => ( quantDeMorgan3
% 2.09/1.44                                                                                                                 => ( quantDeMorgan4
% 2.09/1.44                                                                                                                   => ( prop2setI
% 2.09/1.44                                                                                                                     => ( prop2set2propI
% 2.09/1.44                                                                                                                       => ( notdexE
% 2.09/1.44                                                                                                                         => ( notdallE
% 2.09/1.44                                                                                                                           => ( exuI1
% 2.09/1.44                                                                                                                             => ( exuI3
% 2.09/1.44                                                                                                                               => ( exuI2
% 2.09/1.44                                                                                                                                 => ( inCongP
% 2.09/1.44                                                                                                                                   => ( in__Cong
% 2.09/1.44                                                                                                                                     => ( exuE3u
% 2.09/1.44                                                                                                                                       => ( exu__Cong
% 2.09/1.44                                                                                                                                         => ( emptyset__Cong
% 2.09/1.44                                                                                                                                           => ( setadjoin__Cong
% 2.09/1.44                                                                                                                                             => ( powerset__Cong
% 2.09/1.44                                                                                                                                               => ( setunion__Cong
% 2.09/1.44                                                                                                                                                 => ( omega = omega ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 2.09/1.44  ------------------------
% 2.09/1.45  % (11185)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_11087 for (2999ds/183Mi)
% 2.09/1.45  % (11187)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_11087 for (2999ds/27Mi)
% 2.09/1.45  % (11186)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_11087 for (2999ds/4Mi)
% 2.09/1.46  % (11186)Instruction limit reached!
% 2.09/1.46  % (11186)------------------------------
% 2.09/1.46  % (11186)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.09/1.46  % (11186)Termination reason: Unknown
% 2.09/1.46  % (11186)Termination phase: shuffling
% 2.09/1.46  
% 2.09/1.46  % (11186)Memory used [KB]: 1151
% 2.09/1.46  % (11186)Time elapsed: 0.003 s
% 2.09/1.46  % (11186)Instructions burned: 6 (million)
% 2.09/1.46  % (11186)------------------------------
% 2.09/1.46  % (11186)------------------------------
% 2.09/1.46  % (11188)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_11087 for (2999ds/2Mi)
% 2.09/1.46  % (11189)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_11087 for (2999ds/2Mi)
% 2.09/1.46  % (11190)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_11087 for (2999ds/275Mi)
% 2.09/1.46  % (11191)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_11087 for (2999ds/18Mi)
% 2.09/1.46  % (11187)Instruction limit reached!
% 2.09/1.46  % (11187)------------------------------
% 2.09/1.46  % (11187)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.09/1.46  % (11187)Termination reason: Unknown
% 2.09/1.46  % (11187)Termination phase: Property scanning
% 2.09/1.46  
% 2.09/1.46  % (11187)Memory used [KB]: 1407
% 2.09/1.46  % (11187)Time elapsed: 0.009 s
% 2.09/1.46  % (11187)Instructions burned: 28 (million)
% 2.09/1.46  % (11187)------------------------------
% 2.09/1.46  % (11187)------------------------------
% 2.09/1.46  % (11188)Instruction limit reached!
% 2.09/1.46  % (11188)------------------------------
% 2.09/1.46  % (11188)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.09/1.46  % (11188)Termination reason: Unknown
% 2.09/1.46  % (11188)Termination phase: shuffling
% 2.09/1.46  
% 2.09/1.46  % (11188)Memory used [KB]: 1151
% 2.09/1.46  % (11188)Time elapsed: 0.003 s
% 2.09/1.46  % (11188)Instructions burned: 2 (million)
% 2.09/1.46  % (11188)------------------------------
% 2.09/1.46  % (11188)------------------------------
% 2.09/1.46  % (11189)Instruction limit reached!
% 2.09/1.46  % (11189)------------------------------
% 2.09/1.46  % (11189)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.09/1.46  % (11189)Termination reason: Unknown
% 2.09/1.46  % (11189)Termination phase: shuffling
% 2.09/1.46  
% 2.09/1.46  % (11189)Memory used [KB]: 1151
% 2.09/1.46  % (11189)Time elapsed: 0.003 s
% 2.09/1.46  % (11189)Instructions burned: 2 (million)
% 2.09/1.46  % (11189)------------------------------
% 2.09/1.46  % (11189)------------------------------
% 2.09/1.47  % (11192)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_11087 for (2999ds/3Mi)
% 2.09/1.47  % (11192)Instruction limit reached!
% 2.09/1.47  % (11192)------------------------------
% 2.09/1.47  % (11192)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.09/1.47  % (11192)Termination reason: Unknown
% 2.09/1.47  % (11192)Termination phase: shuffling
% 2.09/1.47  
% 2.09/1.47  % (11192)Memory used [KB]: 1151
% 2.09/1.47  % (11192)Time elapsed: 0.003 s
% 2.09/1.47  % (11192)Instructions burned: 4 (million)
% 2.09/1.47  % (11192)------------------------------
% 2.09/1.47  % (11192)------------------------------
% 2.09/1.47  % (11193)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_11087 for (2999ds/37Mi)
% 2.09/1.47  % (11191)Instruction limit reached!
% 2.09/1.47  % (11191)------------------------------
% 2.09/1.47  % (11191)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.09/1.47  % (11191)Termination reason: Unknown
% 2.09/1.47  % (11191)Termination phase: Preprocessing 3
% 2.09/1.47  
% 2.09/1.47  % (11191)Memory used [KB]: 1663
% 2.09/1.47  % (11191)Time elapsed: 0.013 s
% 2.09/1.47  % (11191)Instructions burned: 19 (million)
% 2.09/1.47  % (11191)------------------------------
% 2.09/1.47  % (11191)------------------------------
% 2.09/1.48  % (11196)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_11087 for (2999ds/1041Mi)
% 2.09/1.48  % (11185)First to succeed.
% 2.09/1.48  % (11185)Refutation found. Thanks to Tanya!
% 2.09/1.48  % SZS status Theorem for DTF2THF_11087
% 2.09/1.48  % SZS output start Proof for DTF2THF_11087
% 2.09/1.48  thf(func_def_0, type, in: $i > $i > $o).
% 2.09/1.48  thf(func_def_1, type, exu: ($i > $o) > $o).
% 2.09/1.48  thf(func_def_6, type, setadjoin: $i > $i > $i).
% 2.09/1.48  thf(func_def_8, type, powerset: $i > $i).
% 2.09/1.48  thf(func_def_10, type, setunion: $i > $i).
% 2.09/1.48  thf(func_def_19, type, descr: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_21, type, dsetconstr: $i > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_26, type, prop2set: $o > $i).
% 2.09/1.48  thf(func_def_36, type, nonempty: $i > $o).
% 2.09/1.48  thf(func_def_69, type, set2prop: $i > $o).
% 2.09/1.48  thf(func_def_101, type, sK1: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_102, type, sK2: ($i > $o) > $i > $i).
% 2.09/1.48  thf(func_def_103, type, sK3: $i > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_104, type, sK4: $i > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_105, type, sK5: ($i > $o) > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_106, type, sK6: ($i > $o) > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_107, type, sK7: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_108, type, sK8: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_109, type, sK9: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_110, type, sK10: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_111, type, sK11: $i > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_112, type, sK12: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_113, type, sK13: ($i > $o) > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_114, type, sK14: ($i > $o) > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_115, type, sK15: ($i > $o) > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_116, type, sK16: ($i > $o) > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_117, type, sK17: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_118, type, sK18: ($i > $o) > $i > $i).
% 2.09/1.48  thf(func_def_119, type, sK19: ($i > $o) > $i > $i).
% 2.09/1.48  thf(func_def_120, type, sK20: $i > $i > $i).
% 2.09/1.48  thf(func_def_121, type, sK21: $i > $i).
% 2.09/1.48  thf(func_def_122, type, sK22: $i > $i > $i > $i).
% 2.09/1.48  thf(func_def_123, type, sK23: $i > $i > $i).
% 2.09/1.48  thf(func_def_124, type, sK24: $i > $i > $i).
% 2.09/1.48  thf(func_def_125, type, sK25: $i > $i > $i).
% 2.09/1.48  thf(func_def_126, type, sK26: $i > $i > $i).
% 2.09/1.48  thf(func_def_127, type, sK27: ($i > $o) > $i > $i).
% 2.09/1.48  thf(func_def_128, type, sK28: $i > $i > $i).
% 2.09/1.48  thf(func_def_129, type, sK29: ($i > $o) > $i > $i).
% 2.09/1.48  thf(func_def_130, type, sK30: $o > $i > $i > $i).
% 2.09/1.48  thf(func_def_131, type, sK31: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_132, type, sK32: ($i > $o) > $i > $i).
% 2.09/1.48  thf(func_def_133, type, sK33: ($i > $o) > $i > $i).
% 2.09/1.48  thf(func_def_134, type, sK34: $i > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_135, type, sK35: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_136, type, sK36: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_137, type, sK37: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_138, type, sK38: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_139, type, sK39: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_140, type, sK40: $i > $i > $i).
% 2.09/1.48  thf(func_def_141, type, sK41: $i > $i).
% 2.09/1.48  thf(func_def_142, type, sK42: $i > ($i > $i > $o) > $i).
% 2.09/1.48  thf(func_def_143, type, sK43: $i > ($i > $i > $o) > $i).
% 2.09/1.48  thf(func_def_144, type, sK44: $i > $i > ($i > $i > $o) > $i).
% 2.09/1.48  thf(func_def_145, type, sK45: $i > $i > ($i > $i > $o) > $i).
% 2.09/1.48  thf(func_def_146, type, sK46: $i > ($i > $i > $o) > $i).
% 2.09/1.48  thf(func_def_147, type, sK47: $i > $i > ($i > $i > $o) > $i).
% 2.09/1.48  thf(func_def_148, type, sK48: $i > $i).
% 2.09/1.48  thf(func_def_149, type, sK49: ($i > $o) > $i).
% 2.09/1.48  thf(func_def_150, type, sK50: $i > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_151, type, sK51: ($i > $o) > $i > $i).
% 2.09/1.48  thf(func_def_152, type, sK52: $i > $i).
% 2.09/1.48  thf(func_def_153, type, sK53: $i > ($i > $o) > $i).
% 2.09/1.48  thf(func_def_154, type, sK54: $i > $i > $i).
% 2.09/1.48  thf(func_def_155, type, sK55: $i > $i > $i).
% 2.09/1.48  thf(func_def_156, type, sK56: $i > $i > $i).
% 2.09/1.48  thf(func_def_157, type, sK57: $i > $i > $i).
% 2.09/1.48  thf(func_def_158, type, sK58: ($i > $o) > $i > $i).
% 2.09/1.48  thf(f1287,plain,(
% 2.09/1.48    $false),
% 2.09/1.48    inference(trivial_inequality_removal,[status(thm)],[f267])).
% 2.09/1.48  thf(f267,plain,(
% 2.09/1.48    (omega != omega)),
% 2.09/1.48    inference(cnf_transformation,[status(thm)],[f221])).
% 2.09/1.48  thf(f221,plain,(
% 2.09/1.48    (exuI3 = $true) & (dsetconstrI = $true) & (exuE1 = $true) & (powersetE = $true) & (quantDeMorgan4 = $true) & (in__Cong = $true) & (prop2setI = $true) & (prop2setE = $true) & (noeltsimpempty = $true) & (setadjoinIR = $true) & (setunionI = $true) & (nonemptyImpWitness = $true) & (setbeta = $true) & (upairsetE = $true) & (uniqinunit = $true) & (inCongP = $true) & (exuI2 = $true) & (dsetconstrER = $true) & (emptyinunitempty = $true) & (descrp = $true) & (nonemptyI = $true) & (prop2set2propI = $true) & (setunionAx = $true) & (vacuousDall = $true) & (notinemptyset = $true) & (powersetI = $true) & (subPowSU = $true) & (singletonsswitch = $true) & (wellorderingAx = $true) & (setadjoinOr = $true) & (emptyInPowerset = $true) & (omegaSAx = $true) & (quantDeMorgan1 = $true) & (notdallE = $true) & (emptysetE = $true) & (quantDeMorgan2 = $true) & (setextAx = $true) & (setadjoin__Cong = $true) & (setadjoinAx = $true) & (setunion__Cong = $true) & (omega0Ax = $true) & (setadjoinE = $true) & (nonemptyI1 = $true) & (emptyE1 = $true) & (foundationAx = $true) & (nonemptyE1 = $true) & (powersetAx = $true) & (quantDeMorgan3 = $true) & (setoftrueEq = $true) & (setunionE = $true) & (upairsetIL = $true) & (notdexE = $true) & (emptysetAx = $true) & (emptyI = $true) & (emptyinPowerset = $true) & (exu__Cong = $true) & (emptyset__Cong = $true) & (omega != omega) & (omegaIndAx = $true) & (powerset__Cong = $true) & (exuE2 = $true) & (notinsingleton = $true) & (setadjoinIL = $true) & (exuE3u = $true) & (setext = $true) & (dsetconstrEL = $true) & (upairsetIR = $true) & (emptysetimpfalse = $true) & (exuE3e = $true) & (replAx = $true) & (exuI1 = $true) & (eqinunit = $true)),
% 2.09/1.48    inference(flattening,[status(thm)],[f220])).
% 2.09/1.48  thf(f220,plain,(
% 2.09/1.48    (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((omega != omega) & (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)),
% 2.09/1.48    inference(ennf_transformation,[status(thm)],[f125])).
% 2.09/1.48  thf(f125,plain,(
% 2.09/1.48    ~((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 = omega))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.09/1.48    inference(fool_elimination,[status(thm)],[f124])).
% 2.09/1.48  thf(f124,plain,(
% 2.09/1.48    ~(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 = omega))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.09/1.48    inference(rectify,[status(thm)],[f75])).
% 2.09/1.48  thf(f75,negated_conjecture,(
% 2.09/1.48    ~(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 = omega))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.09/1.48    inference(negated_conjecture,[status(cth)],[f74])).
% 2.09/1.48  thf(f74,conjecture,(
% 2.09/1.48    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 = omega)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.09/1.48    file('/export/starexec/sandbox/tmp/tmp.8fKAZXst12/DTF2THF_11087.p',omega__Cong)).
% 2.09/1.48  % SZS output end Proof for DTF2THF_11087
% 2.09/1.48  % (11185)------------------------------
% 2.09/1.48  % (11185)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.09/1.48  % (11185)Termination reason: Refutation
% 2.09/1.48  
% 2.09/1.48  % (11185)Memory used [KB]: 6268
% 2.09/1.48  % (11185)Time elapsed: 0.025 s
% 2.09/1.48  % (11185)Instructions burned: 78 (million)
% 2.09/1.48  % (11185)------------------------------
% 2.09/1.48  % (11185)------------------------------
% 2.09/1.48  % (11184)Success in time 0.036 s
%------------------------------------------------------------------------------