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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEU549^1 : TPTP v9.2.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300

% Computer : n001.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 09:35:13 AM UTC 2026

% Result   : Theorem 2.17s 1.51s
% Output   : Refutation 2.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   33 (  19 unt;   0 typ;   0 def)
%            Number of atoms       : 1369 ( 400 equ;   0 cnn)
%            Maximal formula atoms :   69 (  41 avg)
%            Number of connectives :  697 (  12   ~;   4   |; 222   &;  95   @)
%                                         (   0 <=>; 353  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   74 (  19 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   13 (  13   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  133 ( 128 usr;  72 con; 0-3 aty)
%                                         (   7  !!;   4  ??;   0 @@+;   0 @@-)
%            Number of variables   :   66 (  30   ^;  21   !;  15   ?;  66   :)

% 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_94,type,
    sK0: $i > $o ).

thf(func_def_98,type,
    sK4: $i > $i ).

thf(func_def_99,type,
    sK5: $i > $i > $i ).

thf(func_def_100,type,
    sK6: $i > $i > $i ).

thf(func_def_101,type,
    sK7: $i > $i > $i ).

thf(func_def_102,type,
    sK8: $i > $i > $i > $i ).

thf(func_def_103,type,
    sK9: $i > $i > $i ).

thf(func_def_104,type,
    sK10: $i > $i ).

thf(func_def_105,type,
    sK11: $i > $i > $i ).

thf(func_def_106,type,
    sK12: ( $i > $o ) > $i ).

thf(func_def_107,type,
    sK13: ( $i > $o ) > $i > $i ).

thf(func_def_108,type,
    sK14: $i > $i ).

thf(func_def_109,type,
    sK15: ( $i > $o ) > $i > $i ).

thf(func_def_110,type,
    sK16: ( $i > $o ) > $i ).

thf(func_def_111,type,
    sK17: ( $i > $o ) > $i ).

thf(func_def_112,type,
    sK18: $i > $i ).

thf(func_def_113,type,
    sK19: ( $i > $o ) > $i ).

thf(func_def_114,type,
    sK20: ( $i > $o ) > $i ).

thf(func_def_115,type,
    sK21: ( $i > $o ) > $i ).

thf(func_def_116,type,
    sK22: ( $i > $o ) > $i ).

thf(func_def_117,type,
    sK23: $i > ( $i > $o ) > $i ).

thf(func_def_118,type,
    sK24: $i > $i > $i ).

thf(func_def_119,type,
    sK25: ( $i > $o ) > $i > $i ).

thf(func_def_121,type,
    sK26: ( $i > $i > $o ) > $i > $i ).

thf(func_def_122,type,
    sK27: ( $i > $i > $o ) > $i > $i ).

thf(func_def_123,type,
    sK28: ( $i > $i > $o ) > $i > $i > $i ).

thf(func_def_124,type,
    sK29: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_125,type,
    sK30: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_126,type,
    sK31: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_127,type,
    sK32: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_128,type,
    sK33: $o > $i > $i > $i ).

thf(func_def_129,type,
    sK34: $i > ( $i > $o ) > $i ).

thf(func_def_130,type,
    sK35: $i > $i ).

thf(func_def_131,type,
    sK36: ( $i > $o ) > $i ).

thf(func_def_132,type,
    sK37: ( $i > $o ) > $i > $i ).

thf(func_def_133,type,
    sK38: ( $i > $o ) > $i ).

thf(func_def_134,type,
    sK39: ( $i > $o ) > $i > $i ).

thf(func_def_135,type,
    sK40: $i > $i ).

thf(func_def_136,type,
    sK41: $i > $i > $i ).

thf(func_def_137,type,
    sK42: $i > $i > $i ).

thf(func_def_138,type,
    sK43: $i > $i > $i ).

thf(func_def_139,type,
    sK44: ( $i > $o ) > $i > $i ).

thf(func_def_140,type,
    sK45: ( $i > $o ) > $i > $i ).

thf(func_def_142,type,
    sK47: ( $i > $o ) > $i > $i ).

thf(func_def_143,type,
    sK48: $i > $i > $i ).

thf(func_def_144,type,
    sK49: ( $i > $o ) > $i ).

thf(func_def_145,type,
    sK50: ( $i > $o ) > $i > $i ).

thf(func_def_146,type,
    sK51: ( $i > $o ) > $i > $i ).

thf(func_def_147,type,
    sK52: ( $i > $o ) > $i > $i ).

thf(func_def_148,type,
    sK53: $i > $i ).

thf(f1276,plain,
    $false,
    inference(subsumption_resolution,[status(thm)],[f1273,f221]) ).

thf(f221,plain,
    sK2 != sK1,
    inference(cnf_transformation,[status(thm)],[f208]) ).

thf(f208,plain,
    ( ( setext = $true )
    & ( nonemptyE1 = $true )
    & ( upairsetIL = $true )
    & ( prop2setE = $true )
    & ( notinsingleton = $true )
    & ( notdexE = $true )
    & ( nonemptyImpWitness = $true )
    & ( uniqinunit = $true )
    & ( in__Cong = $true )
    & ( quantDeMorgan1 = $true )
    & ( setunionE = $true )
    & ( dsetconstrER = $true )
    & ( quantDeMorgan3 = $true )
    & ( descrp = $true )
    & ( emptyI = $true )
    & ( emptyinunitempty = $true )
    & ( setadjoinIR = $true )
    & ( powersetI = $true )
    & ( inCongP = $true )
    & ( setadjoinOr = $true )
    & ( setadjoinAx = $true )
    & ( dsetconstrI = $true )
    & ( setextAx = $true )
    & ( nonemptyI = $true )
    & ( notdallE = $true )
    & ( wellorderingAx = $true )
    & ( replAx = $true )
    & ( omega0Ax = $true )
    & ( quantDeMorgan4 = $true )
    & ( emptyE1 = $true )
    & ( exuI1 = $true )
    & ( emptysetE = $true )
    & ( omegaIndAx = $true )
    & ( exuI3 = $true )
    & ( subPowSU = $true )
    & ( setbeta = $true )
    & ( upairsetIR = $true )
    & ( quantDeMorgan2 = $true )
    & ( emptyinPowerset = $true )
    & ( noeltsimpempty = $true )
    & ( setadjoinIL = $true )
    & ( setunionI = $true )
    & ( prop2set2propI = $true )
    & ( exuE2 = $true )
    & ( emptyInPowerset = $true )
    & ( exuI2 = $true )
    & ( setunionAx = $true )
    & ( vacuousDall = $true )
    & ( prop2setI = $true )
    & ( foundationAx = $true )
    & ( upairsetE = $true )
    & ( emptysetAx = $true )
    & ( exuE1 = $true )
    & ( notinemptyset = $true )
    & ( omegaSAx = $true )
    & ( exuE3e = $true )
    & ( powersetAx = $true )
    & ( dsetconstrEL = $true )
    & ( powersetE = $true )
    & ( emptysetimpfalse = $true )
    & ( eqinunit = $true )
    & ( singletonsswitch = $true )
    & ( setoftrueEq = $true )
    & ( setadjoinE = $true )
    & ( nonemptyI1 = $true )
    & ( ( exu
        @ ^ [Y0: $i] : ( sK0 @ Y0 ) )
      = $true )
    & ( sK2 != sK1 )
    & ( ( sK0 @ sK2 )
      = $true )
    & ( ( sK0 @ sK1 )
      = $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f205,f207,f206]) ).

thf(f206,plain,
    ( ? [X0: $i > $o] :
        ( ( ( exu
            @ ^ [Y0: $i] : ( X0 @ Y0 ) )
          = $true )
        & ? [X1: $i,X2: $i] :
            ( ( X1 != X2 )
            & ( ( X0 @ X2 )
              = $true )
            & ( ( X0 @ X1 )
              = $true ) ) )
   => ( ( ( exu
          @ ^ [Y0: $i] : ( sK0 @ Y0 ) )
        = $true )
      & ? [X2: $i,X1: $i] :
          ( ( X1 != X2 )
          & ( ( sK0 @ X2 )
            = $true )
          & ( ( sK0 @ X1 )
            = $true ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f207,plain,
    ( ? [X2: $i,X1: $i] :
        ( ( X1 != X2 )
        & ( ( sK0 @ X2 )
          = $true )
        & ( ( sK0 @ X1 )
          = $true ) )
   => ( ( sK2 != sK1 )
      & ( ( sK0 @ sK2 )
        = $true )
      & ( ( sK0 @ sK1 )
        = $true ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f205,plain,
    ( ( setext = $true )
    & ( nonemptyE1 = $true )
    & ( upairsetIL = $true )
    & ( prop2setE = $true )
    & ( notinsingleton = $true )
    & ( notdexE = $true )
    & ( nonemptyImpWitness = $true )
    & ( uniqinunit = $true )
    & ( in__Cong = $true )
    & ( quantDeMorgan1 = $true )
    & ( setunionE = $true )
    & ( dsetconstrER = $true )
    & ( quantDeMorgan3 = $true )
    & ( descrp = $true )
    & ( emptyI = $true )
    & ( emptyinunitempty = $true )
    & ( setadjoinIR = $true )
    & ( powersetI = $true )
    & ( inCongP = $true )
    & ( setadjoinOr = $true )
    & ( setadjoinAx = $true )
    & ( dsetconstrI = $true )
    & ( setextAx = $true )
    & ( nonemptyI = $true )
    & ( notdallE = $true )
    & ( wellorderingAx = $true )
    & ( replAx = $true )
    & ( omega0Ax = $true )
    & ( quantDeMorgan4 = $true )
    & ( emptyE1 = $true )
    & ( exuI1 = $true )
    & ( emptysetE = $true )
    & ( omegaIndAx = $true )
    & ( exuI3 = $true )
    & ( subPowSU = $true )
    & ( setbeta = $true )
    & ( upairsetIR = $true )
    & ( quantDeMorgan2 = $true )
    & ( emptyinPowerset = $true )
    & ( noeltsimpempty = $true )
    & ( setadjoinIL = $true )
    & ( setunionI = $true )
    & ( prop2set2propI = $true )
    & ( exuE2 = $true )
    & ( emptyInPowerset = $true )
    & ( exuI2 = $true )
    & ( setunionAx = $true )
    & ( vacuousDall = $true )
    & ( prop2setI = $true )
    & ( foundationAx = $true )
    & ( upairsetE = $true )
    & ( emptysetAx = $true )
    & ( exuE1 = $true )
    & ( notinemptyset = $true )
    & ( omegaSAx = $true )
    & ( exuE3e = $true )
    & ( powersetAx = $true )
    & ( dsetconstrEL = $true )
    & ( powersetE = $true )
    & ( emptysetimpfalse = $true )
    & ( eqinunit = $true )
    & ( singletonsswitch = $true )
    & ( setoftrueEq = $true )
    & ( setadjoinE = $true )
    & ( nonemptyI1 = $true )
    & ? [X0: $i > $o] :
        ( ( ( exu
            @ ^ [Y0: $i] : ( X0 @ Y0 ) )
          = $true )
        & ? [X1: $i,X2: $i] :
            ( ( X1 != X2 )
            & ( ( X0 @ X2 )
              = $true )
            & ( ( X0 @ X1 )
              = $true ) ) ) ),
    inference(flattening,[status(thm)],[f204]) ).

thf(f204,plain,
    ( ? [X0: $i > $o] :
        ( ? [X1: $i,X2: $i] :
            ( ( X1 != X2 )
            & ( ( X0 @ X2 )
              = $true )
            & ( ( X0 @ X1 )
              = $true ) )
        & ( ( exu
            @ ^ [Y0: $i] : ( X0 @ Y0 ) )
          = $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)],[f203]) ).

thf(f203,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 )
                                                                                                                                     => ! [X0: $i > $o] :
                                                                                                                                          ( ( ( exu
                                                                                                                                              @ ^ [Y0: $i] : ( X0 @ Y0 ) )
                                                                                                                                            = $true )
                                                                                                                                         => ! [X1: $i,X2: $i] :
                                                                                                                                              ( ( ( X0 @ X1 )
                                                                                                                                                = $true )
                                                                                                                                             => ( ( ( X0 @ X2 )
                                                                                                                                                  = $true )
                                                                                                                                               => ( X1 = X2 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f176]) ).

thf(f176,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 )
                                                                                                                                     => ! [X0: $i > $o] :
                                                                                                                                          ( ( ( exu
                                                                                                                                              @ ^ [Y0: $i] : ( X0 @ Y0 ) )
                                                                                                                                            = $true )
                                                                                                                                         => ! [X2: $i,X3: $i] :
                                                                                                                                              ( ( ( X0 @ X2 )
                                                                                                                                                = $true )
                                                                                                                                             => ( ( ( X0 @ X3 )
                                                                                                                                                  = $true )
                                                                                                                                               => ( X2 = X3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f175]) ).

thf(f175,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
                                                                                                                                     => ! [X0: $i > $o] :
                                                                                                                                          ( ( exu
                                                                                                                                            @ ^ [X1: $i] : ( X0 @ X1 ) )
                                                                                                                                         => ! [X2: $i,X3: $i] :
                                                                                                                                              ( ( X0 @ X2 )
                                                                                                                                             => ( ( X0 @ X3 )
                                                                                                                                               => ( X2 = X3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f69]) ).

thf(f69,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
                                                                                                                                     => ! [X0: $i > $o] :
                                                                                                                                          ( ( exu
                                                                                                                                            @ ^ [X1: $i] : ( X0 @ X1 ) )
                                                                                                                                         => ! [X1: $i,X2: $i] :
                                                                                                                                              ( ( X0 @ X1 )
                                                                                                                                             => ( ( X0 @ X2 )
                                                                                                                                               => ( X1 = X2 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f68]) ).

thf(f68,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
                                                                                                                                   => ! [X0: $i > $o] :
                                                                                                                                        ( ( exu
                                                                                                                                          @ ^ [X1: $i] : ( X0 @ X1 ) )
                                                                                                                                       => ! [X1: $i,X2: $i] :
                                                                                                                                            ( ( X0 @ X1 )
                                                                                                                                           => ( ( X0 @ X2 )
                                                                                                                                             => ( X1 = X2 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.uHZUGiWJ92/DTF2THF_13281.p',exuE3u) ).

thf(f1273,plain,
    sK2 = sK1,
    inference(superposition,[status(thm)],[f1271,f1269]) ).

thf(f1269,plain,
    sK2 = sK46,
    inference(trivial_inequality_removal,[status(thm)],[f1265]) ).

thf(f1265,plain,
    ( ( $true = $false )
    | ( sK2 = sK46 ) ),
    inference(superposition,[status(thm)],[f220,f1094]) ).

thf(f1094,plain,
    ! [X1: $i] :
      ( ( ( sK0 @ X1 )
        = $false )
      | ( sK46 = X1 ) ),
    inference(equality_proxy_clausification,[status(thm)],[f1093]) ).

thf(f1093,plain,
    ! [X1: $i] :
      ( ( ( sK0 @ X1 )
        = $false )
      | ( ( sK46 = X1 )
        = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f1092]) ).

thf(f1092,plain,
    ! [X1: $i] :
      ( ( ( sK0 @ X1 )
       => ( sK46 = X1 ) )
      = $true ),
    inference(beta_eta_normalization,[status(thm)],[f1091]) ).

thf(f1091,plain,
    ! [X1: $i] :
      ( ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
           => ( sK46 = Y0 ) )
        @ X1 )
      = $true ),
    inference(pi_clausification,[status(thm)],[f1090]) ).

thf(f1090,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( sK0 @ Y0 )
         => ( sK46 = Y0 ) ) )
    = $true ),
    inference(binary_proxy_clausification,[status(thm)],[f1088]) ).

thf(f1088,plain,
    ( ( ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
           => ( sK46 = Y0 ) ) )
      & ( sK0 @ sK46 ) )
    = $true ),
    inference(beta_eta_normalization,[status(thm)],[f1087]) ).

thf(f1087,plain,
    ( ( ^ [Y0: $i] :
          ( ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( sK0 @ Y1 )
               => ( Y0 = Y1 ) ) )
          & ( sK0 @ Y0 ) )
      @ sK46 )
    = $true ),
    inference(sigma_clausification,[status(thm)],[f1086]) ).

thf(f1086,plain,
    ( ( ?? @ $i
      @ ^ [Y0: $i] :
          ( ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( sK0 @ Y1 )
               => ( Y0 = Y1 ) ) )
          & ( sK0 @ Y0 ) ) )
    = $true ),
    inference(beta_eta_normalization,[status(thm)],[f355]) ).

thf(f355,plain,
    ( ( ^ [Y0: $i > $o] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( Y0 @ Y2 )
                   => ( Y1 = Y2 ) ) )
              & ( Y0 @ Y1 ) ) )
      @ ^ [Y0: $i] : ( sK0 @ Y0 ) )
    = $true ),
    inference(definition_unfolding,[status(thm)],[f222,f323]) ).

thf(f323,plain,
    ( exu
    = ( ^ [Y0: $i > $o] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( Y0 @ Y2 )
                   => ( Y1 = Y2 ) ) )
              & ( Y0 @ Y1 ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f184]) ).

thf(f184,plain,
    ( exu
    = ( ^ [Y0: $i > $o] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( Y0 @ Y2 )
                   => ( Y1 = Y2 ) ) )
              & ( Y0 @ Y1 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f183]) ).

thf(f183,plain,
    ( exu
    = ( ^ [X0: $i > $o] :
        ? [X1: $i] :
          ( ( X0 @ X1 )
          & ! [X2: $i] :
              ( ( X0 @ X2 )
             => ( X1 = X2 ) ) ) ) ),
    inference(rectify,[status(thm)],[f1]) ).

thf(f1,axiom,
    ( exu
    = ( ^ [X0: $i > $o] :
        ? [X1: $i] :
          ( ( X0 @ X1 )
          & ! [X2: $i] :
              ( ( X0 @ X2 )
             => ( X1 = X2 ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.uHZUGiWJ92/DTF2THF_13281.p',exu) ).

thf(f222,plain,
    ( ( exu
      @ ^ [Y0: $i] : ( sK0 @ Y0 ) )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f208]) ).

thf(f220,plain,
    ( ( sK0 @ sK2 )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f208]) ).

thf(f1271,plain,
    sK1 = sK46,
    inference(trivial_inequality_removal,[status(thm)],[f1264]) ).

thf(f1264,plain,
    ( ( sK1 = sK46 )
    | ( $true = $false ) ),
    inference(superposition,[status(thm)],[f219,f1094]) ).

thf(f219,plain,
    ( ( sK0 @ sK1 )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f208]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU549^1 : TPTP v9.2.1. Released v3.7.0.
% 0.11/0.14  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.16/0.35  % Computer : n001.cluster.edu
% 0.16/0.35  % Model    : x86_64 x86_64
% 0.16/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.35  % Memory   : 8042.1875MB
% 0.16/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.35  % CPULimit : 300
% 0.16/0.35  % WCLimit  : 300
% 0.16/0.35  % DateTime : Tue Feb 24 12:27:20 EST 2026
% 0.16/0.35  % CPUTime  : 
% 0.16/0.35  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.21/0.47  ---- Original DTF file ---
% 0.21/0.47  thf(spec,logic,$$dhol).
% 0.21/0.47  %------------------------------------------------------------------------------
% 0.21/0.47  % File     : SEU549^1 : TPTP v9.2.1. Released v3.7.0.
% 0.21/0.47  % Domain   : Set Theory
% 0.21/0.47  % Problem  : Preliminary Notions - Equality Laws
% 0.21/0.47  % Version  : Especial.
% 0.21/0.47  % English  : (! phi:i>o.exu (^ x:i.phi x) -> (! x:i.! y:i.phi x -> phi y ->
% 0.21/0.47  %            x = y))
% 0.21/0.47  
% 0.21/0.47  % Refs     : [Bro08] Brown (2008), Email to G. Sutcliffe
% 0.21/0.47  % Source   : [Bro08]
% 0.21/0.47  % Names    : ZFC051g [Bro08]
% 0.21/0.47  
% 0.21/0.47  % Status   : Theorem
% 0.21/0.47  % Rating   : 0.11 v9.1.0, 0.12 v9.0.0, 0.20 v8.2.0, 0.31 v8.1.0, 0.09 v7.5.0, 0.00 v7.4.0, 0.11 v7.2.0, 0.00 v7.1.0, 0.25 v7.0.0, 0.14 v6.4.0, 0.17 v6.3.0, 0.20 v6.2.0, 0.14 v6.1.0, 0.29 v5.5.0, 0.33 v5.4.0, 0.40 v5.1.0, 0.60 v5.0.0, 0.40 v4.1.0, 0.67 v3.7.0
% 0.21/0.47  % Syntax   : Number of formulae    :  145 (  67 unt;  77 typ;  67 def)
% 0.21/0.47  %            Number of atoms       :  368 (  94 equ;   0 cnn)
% 0.21/0.47  %            Maximal formula atoms :   67 (   5 avg)
% 0.21/0.47  %            Number of connectives :  609 (  21   ~;   5   |;  27   &; 380   @)
% 0.21/0.47  %                                         (  10 <=>; 166  =>;   0  <=;   0 <~>)
% 0.21/0.47  %            Maximal formula depth :   73 (   2 avg)
% 0.21/0.47  %            Number of types       :    2 (   0 usr)
% 0.21/0.47  %            Number of type conns  :   40 (  40   >;   0   *;   0   +;   0  <<)
% 0.21/0.47  %            Number of symbols     :   80 (  77 usr;  69 con; 0-2 aty)
% 0.21/0.47  %            Number of variables   :  208 (  19   ^; 161   !;  28   ?; 208   :)
% 0.21/0.47  % SPC      : TH0_THM_EQU_NAR
% 0.21/0.47  
% 0.21/0.47  % Comments : http://mathgate.info/detsetitem.php?id=407
% 0.21/0.47  %------------------------------------------------------------------------------
% 0.21/0.47  thf(in_type,type,
% 0.21/0.47      in: $i > $i > $o ).
% 0.21/0.47  
% 0.21/0.47  thf(exu_type,type,
% 0.21/0.47      exu: ( $i > $o ) > $o ).
% 0.21/0.47  
% 0.21/0.47  thf(exu,definition,
% 0.21/0.47      ( exu
% 0.21/0.47      = ( ^ [Xphi: $i > $o] :
% 0.21/0.47          ? [Xx: $i] :
% 0.21/0.47            ( ( Xphi @ Xx )
% 0.21/0.47            & ! [Xy: $i] :
% 0.21/0.47                ( ( Xphi @ Xy )
% 0.21/0.47               => ( Xx = Xy ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(setextAx_type,type,
% 0.21/0.47      setextAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(setextAx,definition,
% 0.21/0.47      ( setextAx
% 0.21/0.47      = ( ! [A: $i,B: $i] :
% 0.21/0.47            ( ! [Xx: $i] :
% 0.21/0.47                ( ( in @ Xx @ A )
% 0.21/0.47              <=> ( in @ Xx @ B ) )
% 0.21/0.47           => ( A = B ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(emptyset_type,type,
% 0.21/0.47      emptyset: $i ).
% 0.21/0.47  
% 0.21/0.47  thf(emptysetAx_type,type,
% 0.21/0.47      emptysetAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(emptysetAx,definition,
% 0.21/0.47      ( emptysetAx
% 0.21/0.47      = ( ! [Xx: $i] :
% 0.21/0.47            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(setadjoin_type,type,
% 0.21/0.47      setadjoin: $i > $i > $i ).
% 0.21/0.47  
% 0.21/0.47  thf(setadjoinAx_type,type,
% 0.21/0.47      setadjoinAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(setadjoinAx,definition,
% 0.21/0.47      ( setadjoinAx
% 0.21/0.47      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.21/0.47            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.21/0.47          <=> ( ( Xy = Xx )
% 0.21/0.47              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(powerset_type,type,
% 0.21/0.47      powerset: $i > $i ).
% 0.21/0.47  
% 0.21/0.47  thf(powersetAx_type,type,
% 0.21/0.47      powersetAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(powersetAx,definition,
% 0.21/0.47      ( powersetAx
% 0.21/0.47      = ( ! [A: $i,B: $i] :
% 0.21/0.47            ( ( in @ B @ ( powerset @ A ) )
% 0.21/0.47          <=> ! [Xx: $i] :
% 0.21/0.47                ( ( in @ Xx @ B )
% 0.21/0.47               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(setunion_type,type,
% 0.21/0.47      setunion: $i > $i ).
% 0.21/0.47  
% 0.21/0.47  thf(setunionAx_type,type,
% 0.21/0.47      setunionAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(setunionAx,definition,
% 0.21/0.47      ( setunionAx
% 0.21/0.47      = ( ! [A: $i,Xx: $i] :
% 0.21/0.47            ( ( in @ Xx @ ( setunion @ A ) )
% 0.21/0.47          <=> ? [B: $i] :
% 0.21/0.47                ( ( in @ Xx @ B )
% 0.21/0.47                & ( in @ B @ A ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(omega_type,type,
% 0.21/0.47      omega: $i ).
% 0.21/0.47  
% 0.21/0.47  thf(omega0Ax_type,type,
% 0.21/0.47      omega0Ax: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(omega0Ax,definition,
% 0.21/0.47      ( omega0Ax
% 0.21/0.47      = ( in @ emptyset @ omega ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(omegaSAx_type,type,
% 0.21/0.47      omegaSAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(omegaSAx,definition,
% 0.21/0.47      ( omegaSAx
% 0.21/0.47      = ( ! [Xx: $i] :
% 0.21/0.47            ( ( in @ Xx @ omega )
% 0.21/0.47           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(omegaIndAx_type,type,
% 0.21/0.47      omegaIndAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(omegaIndAx,definition,
% 0.21/0.47      ( omegaIndAx
% 0.21/0.47      = ( ! [A: $i] :
% 0.21/0.47            ( ( ( in @ emptyset @ A )
% 0.21/0.47              & ! [Xx: $i] :
% 0.21/0.47                  ( ( ( in @ Xx @ omega )
% 0.21/0.47                    & ( in @ Xx @ A ) )
% 0.21/0.47                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 0.21/0.47           => ! [Xx: $i] :
% 0.21/0.47                ( ( in @ Xx @ omega )
% 0.21/0.47               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(replAx_type,type,
% 0.21/0.47      replAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(replAx,definition,
% 0.21/0.47      ( replAx
% 0.21/0.47      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 0.21/0.47            ( ! [Xx: $i] :
% 0.21/0.47                ( ( in @ Xx @ A )
% 0.21/0.47               => ( exu
% 0.21/0.47                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 0.21/0.47           => ? [B: $i] :
% 0.21/0.47              ! [Xx: $i] :
% 0.21/0.47                ( ( in @ Xx @ B )
% 0.21/0.47              <=> ? [Xy: $i] :
% 0.21/0.47                    ( ( in @ Xy @ A )
% 0.21/0.47                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(foundationAx_type,type,
% 0.21/0.47      foundationAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(foundationAx,definition,
% 0.21/0.47      ( foundationAx
% 0.21/0.47      = ( ! [A: $i] :
% 0.21/0.47            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.21/0.47           => ? [B: $i] :
% 0.21/0.47                ( ( in @ B @ A )
% 0.21/0.47                & ~ ? [Xx: $i] :
% 0.21/0.47                      ( ( in @ Xx @ B )
% 0.21/0.47                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(wellorderingAx_type,type,
% 0.21/0.47      wellorderingAx: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(wellorderingAx,definition,
% 0.21/0.47      ( wellorderingAx
% 0.21/0.47      = ( ! [A: $i] :
% 0.21/0.47          ? [B: $i] :
% 0.21/0.47            ( ! [C: $i] :
% 0.21/0.47                ( ( in @ C @ B )
% 0.21/0.47               => ! [Xx: $i] :
% 0.21/0.47                    ( ( in @ Xx @ C )
% 0.21/0.47                   => ( in @ Xx @ A ) ) )
% 0.21/0.47            & ! [Xx: $i,Xy: $i] :
% 0.21/0.47                ( ( ( in @ Xx @ A )
% 0.21/0.47                  & ( in @ Xy @ A ) )
% 0.21/0.47               => ( ! [C: $i] :
% 0.21/0.47                      ( ( in @ C @ B )
% 0.21/0.47                     => ( ( in @ Xx @ C )
% 0.21/0.47                      <=> ( in @ Xy @ C ) ) )
% 0.21/0.47                 => ( Xx = Xy ) ) )
% 0.21/0.47            & ! [C: $i,D: $i] :
% 0.21/0.47                ( ( ( in @ C @ B )
% 0.21/0.47                  & ( in @ D @ B ) )
% 0.21/0.47               => ( ! [Xx: $i] :
% 0.21/0.47                      ( ( in @ Xx @ C )
% 0.21/0.47                     => ( in @ Xx @ D ) )
% 0.21/0.47                  | ! [Xx: $i] :
% 0.21/0.47                      ( ( in @ Xx @ D )
% 0.21/0.47                     => ( in @ Xx @ C ) ) ) )
% 0.21/0.47            & ! [C: $i] :
% 0.21/0.47                ( ( ! [Xx: $i] :
% 0.21/0.47                      ( ( in @ Xx @ C )
% 0.21/0.47                     => ( in @ Xx @ A ) )
% 0.21/0.47                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 0.21/0.47               => ? [D: $i,Xx: $i] :
% 0.21/0.47                    ( ( in @ D @ B )
% 0.21/0.47                    & ( in @ Xx @ C )
% 0.21/0.47                    & ~ ? [Xy: $i] :
% 0.21/0.47                          ( ( in @ Xy @ D )
% 0.21/0.47                          & ( in @ Xy @ C ) )
% 0.21/0.47                    & ! [E: $i] :
% 0.21/0.47                        ( ( in @ E @ B )
% 0.21/0.47                       => ( ! [Xy: $i] :
% 0.21/0.47                              ( ( in @ Xy @ E )
% 0.21/0.47                             => ( in @ Xy @ D ) )
% 0.21/0.47                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(descr_type,type,
% 0.21/0.47      descr: ( $i > $o ) > $i ).
% 0.21/0.47  
% 0.21/0.47  thf(descrp_type,type,
% 0.21/0.47      descrp: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(descrp,definition,
% 0.21/0.47      ( descrp
% 0.21/0.47      = ( ! [Xphi: $i > $o] :
% 0.21/0.47            ( ( exu
% 0.21/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.21/0.47           => ( Xphi
% 0.21/0.47              @ ( descr
% 0.21/0.47                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(dsetconstr_type,type,
% 0.21/0.47      dsetconstr: $i > ( $i > $o ) > $i ).
% 0.21/0.47  
% 0.21/0.47  thf(dsetconstrI_type,type,
% 0.21/0.47      dsetconstrI: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(dsetconstrI,definition,
% 0.21/0.47      ( dsetconstrI
% 0.21/0.47      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.21/0.47            ( ( in @ Xx @ A )
% 0.21/0.47           => ( ( Xphi @ Xx )
% 0.21/0.47             => ( in @ Xx
% 0.21/0.47                @ ( dsetconstr @ A
% 0.21/0.47                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(dsetconstrEL_type,type,
% 0.21/0.47      dsetconstrEL: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(dsetconstrEL,definition,
% 0.21/0.47      ( dsetconstrEL
% 0.21/0.47      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.21/0.47            ( ( in @ Xx
% 0.21/0.47              @ ( dsetconstr @ A
% 0.21/0.47                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.21/0.47           => ( in @ Xx @ A ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(dsetconstrER_type,type,
% 0.21/0.47      dsetconstrER: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(dsetconstrER,definition,
% 0.21/0.47      ( dsetconstrER
% 0.21/0.47      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.21/0.47            ( ( in @ Xx
% 0.21/0.47              @ ( dsetconstr @ A
% 0.21/0.47                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.21/0.47           => ( Xphi @ Xx ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(exuE1_type,type,
% 0.21/0.47      exuE1: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(exuE1,definition,
% 0.21/0.47      ( exuE1
% 0.21/0.47      = ( ! [Xphi: $i > $o] :
% 0.21/0.47            ( ( exu
% 0.21/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.21/0.47           => ? [Xx: $i] :
% 0.21/0.47                ( ( Xphi @ Xx )
% 0.21/0.47                & ! [Xy: $i] :
% 0.21/0.47                    ( ( Xphi @ Xy )
% 0.21/0.47                   => ( Xx = Xy ) ) ) ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  thf(prop2set_type,type,
% 0.21/0.47      prop2set: $o > $i ).
% 0.21/0.47  
% 0.21/0.47  thf(prop2setE_type,type,
% 0.21/0.47      prop2setE: $o ).
% 0.21/0.47  
% 0.21/0.47  thf(prop2setE,definition,
% 0.21/0.47      ( prop2setE
% 0.21/0.47      = ( ! [Xphi: $o,Xx: $i] :
% 0.21/0.47            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 0.21/0.48           => Xphi ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(emptysetE_type,type,
% 0.21/0.48      emptysetE: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(emptysetE,definition,
% 0.21/0.48      ( emptysetE
% 0.21/0.48      = ( ! [Xx: $i] :
% 0.21/0.48            ( ( in @ Xx @ emptyset )
% 0.21/0.48           => ! [Xphi: $o] : Xphi ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(emptysetimpfalse_type,type,
% 0.21/0.48      emptysetimpfalse: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(emptysetimpfalse,definition,
% 0.21/0.48      ( emptysetimpfalse
% 0.21/0.48      = ( ! [Xx: $i] :
% 0.21/0.48            ( ( in @ Xx @ emptyset )
% 0.21/0.48           => $false ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(notinemptyset_type,type,
% 0.21/0.48      notinemptyset: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(notinemptyset,definition,
% 0.21/0.48      ( notinemptyset
% 0.21/0.48      = ( ! [Xx: $i] :
% 0.21/0.48            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(exuE3e_type,type,
% 0.21/0.48      exuE3e: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(exuE3e,definition,
% 0.21/0.48      ( exuE3e
% 0.21/0.48      = ( ! [Xphi: $i > $o] :
% 0.21/0.48            ( ( exu
% 0.21/0.48              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.21/0.48           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setext_type,type,
% 0.21/0.48      setext: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setext,definition,
% 0.21/0.48      ( setext
% 0.21/0.48      = ( ! [A: $i,B: $i] :
% 0.21/0.48            ( ! [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48               => ( in @ Xx @ B ) )
% 0.21/0.48           => ( ! [Xx: $i] :
% 0.21/0.48                  ( ( in @ Xx @ B )
% 0.21/0.48                 => ( in @ Xx @ A ) )
% 0.21/0.48             => ( A = B ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyI_type,type,
% 0.21/0.48      emptyI: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyI,definition,
% 0.21/0.48      ( emptyI
% 0.21/0.48      = ( ! [A: $i] :
% 0.21/0.48            ( ! [Xx: $i] :
% 0.21/0.48                ~ ( in @ Xx @ A )
% 0.21/0.48           => ( A = emptyset ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(noeltsimpempty_type,type,
% 0.21/0.48      noeltsimpempty: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(noeltsimpempty,definition,
% 0.21/0.48      ( noeltsimpempty
% 0.21/0.48      = ( ! [A: $i] :
% 0.21/0.48            ( ! [Xx: $i] :
% 0.21/0.48                ~ ( in @ Xx @ A )
% 0.21/0.48           => ( A = emptyset ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setbeta_type,type,
% 0.21/0.48      setbeta: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setbeta,definition,
% 0.21/0.48      ( setbeta
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.21/0.48            ( ( in @ Xx @ A )
% 0.21/0.48           => ( ( in @ Xx
% 0.21/0.48                @ ( dsetconstr @ A
% 0.21/0.48                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.21/0.48            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(nonempty_type,type,
% 0.21/0.48      nonempty: $i > $o ).
% 0.21/0.48  
% 0.21/0.48  thf(nonempty,definition,
% 0.21/0.48      ( nonempty
% 0.21/0.48      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(nonemptyE1_type,type,
% 0.21/0.48      nonemptyE1: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(nonemptyE1,definition,
% 0.21/0.48      ( nonemptyE1
% 0.21/0.48      = ( ! [A: $i] :
% 0.21/0.48            ( ( nonempty @ A )
% 0.21/0.48           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(nonemptyI_type,type,
% 0.21/0.48      nonemptyI: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(nonemptyI,definition,
% 0.21/0.48      ( nonemptyI
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.21/0.48            ( ( in @ Xx @ A )
% 0.21/0.48           => ( ( Xphi @ Xx )
% 0.21/0.48             => ( nonempty
% 0.21/0.48                @ ( dsetconstr @ A
% 0.21/0.48                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(nonemptyI1_type,type,
% 0.21/0.48      nonemptyI1: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(nonemptyI1,definition,
% 0.21/0.48      ( nonemptyI1
% 0.21/0.48      = ( ! [A: $i] :
% 0.21/0.48            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.21/0.48           => ( nonempty @ A ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setadjoinIL_type,type,
% 0.21/0.48      setadjoinIL: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setadjoinIL,definition,
% 0.21/0.48      ( setadjoinIL
% 0.21/0.48      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyinunitempty_type,type,
% 0.21/0.48      emptyinunitempty: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyinunitempty,definition,
% 0.21/0.48      ( emptyinunitempty
% 0.21/0.48      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setadjoinIR_type,type,
% 0.21/0.48      setadjoinIR: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setadjoinIR,definition,
% 0.21/0.48      ( setadjoinIR
% 0.21/0.48      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.21/0.48            ( ( in @ Xy @ A )
% 0.21/0.48           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setadjoinE_type,type,
% 0.21/0.48      setadjoinE: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setadjoinE,definition,
% 0.21/0.48      ( setadjoinE
% 0.21/0.48      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.21/0.48            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.21/0.48           => ! [Xphi: $o] :
% 0.21/0.48                ( ( ( Xy = Xx )
% 0.21/0.48                 => Xphi )
% 0.21/0.48               => ( ( ( in @ Xy @ A )
% 0.21/0.48                   => Xphi )
% 0.21/0.48                 => Xphi ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setadjoinOr_type,type,
% 0.21/0.48      setadjoinOr: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setadjoinOr,definition,
% 0.21/0.48      ( setadjoinOr
% 0.21/0.48      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.21/0.48            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.21/0.48           => ( ( Xy = Xx )
% 0.21/0.48              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setoftrueEq_type,type,
% 0.21/0.48      setoftrueEq: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setoftrueEq,definition,
% 0.21/0.48      ( setoftrueEq
% 0.21/0.48      = ( ! [A: $i] :
% 0.21/0.48            ( ( dsetconstr @ A
% 0.21/0.48              @ ^ [Xx: $i] : $true )
% 0.21/0.48            = A ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(powersetI_type,type,
% 0.21/0.48      powersetI: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(powersetI,definition,
% 0.21/0.48      ( powersetI
% 0.21/0.48      = ( ! [A: $i,B: $i] :
% 0.21/0.48            ( ! [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ B )
% 0.21/0.48               => ( in @ Xx @ A ) )
% 0.21/0.48           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyinPowerset_type,type,
% 0.21/0.48      emptyinPowerset: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyinPowerset,definition,
% 0.21/0.48      ( emptyinPowerset
% 0.21/0.48      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyInPowerset_type,type,
% 0.21/0.48      emptyInPowerset: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyInPowerset,definition,
% 0.21/0.48      ( emptyInPowerset
% 0.21/0.48      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(powersetE_type,type,
% 0.21/0.48      powersetE: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(powersetE,definition,
% 0.21/0.48      ( powersetE
% 0.21/0.48      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.21/0.48            ( ( in @ B @ ( powerset @ A ) )
% 0.21/0.48           => ( ( in @ Xx @ B )
% 0.21/0.48             => ( in @ Xx @ A ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setunionI_type,type,
% 0.21/0.48      setunionI: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setunionI,definition,
% 0.21/0.48      ( setunionI
% 0.21/0.48      = ( ! [A: $i,Xx: $i,B: $i] :
% 0.21/0.48            ( ( in @ Xx @ B )
% 0.21/0.48           => ( ( in @ B @ A )
% 0.21/0.48             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(setunionE_type,type,
% 0.21/0.48      setunionE: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(setunionE,definition,
% 0.21/0.48      ( setunionE
% 0.21/0.48      = ( ! [A: $i,Xx: $i] :
% 0.21/0.48            ( ( in @ Xx @ ( setunion @ A ) )
% 0.21/0.48           => ! [Xphi: $o] :
% 0.21/0.48                ( ! [B: $i] :
% 0.21/0.48                    ( ( in @ Xx @ B )
% 0.21/0.48                   => ( ( in @ B @ A )
% 0.21/0.48                     => Xphi ) )
% 0.21/0.48               => Xphi ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(subPowSU_type,type,
% 0.21/0.48      subPowSU: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(subPowSU,definition,
% 0.21/0.48      ( subPowSU
% 0.21/0.48      = ( ! [A: $i,Xx: $i] :
% 0.21/0.48            ( ( in @ Xx @ A )
% 0.21/0.48           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(exuE2_type,type,
% 0.21/0.48      exuE2: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(exuE2,definition,
% 0.21/0.48      ( exuE2
% 0.21/0.48      = ( ! [Xphi: $i > $o] :
% 0.21/0.48            ( ( exu
% 0.21/0.48              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.21/0.48           => ? [Xx: $i] :
% 0.21/0.48              ! [Xy: $i] :
% 0.21/0.48                ( ( Xphi @ Xy )
% 0.21/0.48              <=> ( Xy = Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(nonemptyImpWitness_type,type,
% 0.21/0.48      nonemptyImpWitness: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(nonemptyImpWitness,definition,
% 0.21/0.48      ( nonemptyImpWitness
% 0.21/0.48      = ( ! [A: $i] :
% 0.21/0.48            ( ( nonempty @ A )
% 0.21/0.48           => ? [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48                & $true ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(uniqinunit_type,type,
% 0.21/0.48      uniqinunit: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(uniqinunit,definition,
% 0.21/0.48      ( uniqinunit
% 0.21/0.48      = ( ! [Xx: $i,Xy: $i] :
% 0.21/0.48            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.21/0.48           => ( Xx = Xy ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(notinsingleton_type,type,
% 0.21/0.48      notinsingleton: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(notinsingleton,definition,
% 0.21/0.48      ( notinsingleton
% 0.21/0.48      = ( ! [Xx: $i,Xy: $i] :
% 0.21/0.48            ( ( Xx != Xy )
% 0.21/0.48           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(eqinunit_type,type,
% 0.21/0.48      eqinunit: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(eqinunit,definition,
% 0.21/0.48      ( eqinunit
% 0.21/0.48      = ( ! [Xx: $i,Xy: $i] :
% 0.21/0.48            ( ( Xx = Xy )
% 0.21/0.48           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(singletonsswitch_type,type,
% 0.21/0.48      singletonsswitch: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(singletonsswitch,definition,
% 0.21/0.48      ( singletonsswitch
% 0.21/0.48      = ( ! [Xx: $i,Xy: $i] :
% 0.21/0.48            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.21/0.48           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(upairsetE_type,type,
% 0.21/0.48      upairsetE: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(upairsetE,definition,
% 0.21/0.48      ( upairsetE
% 0.21/0.48      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 0.21/0.48            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 0.21/0.48           => ( ( Xz = Xx )
% 0.21/0.48              | ( Xz = Xy ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(upairsetIL_type,type,
% 0.21/0.48      upairsetIL: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(upairsetIL,definition,
% 0.21/0.48      ( upairsetIL
% 0.21/0.48      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(upairsetIR_type,type,
% 0.21/0.48      upairsetIR: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(upairsetIR,definition,
% 0.21/0.48      ( upairsetIR
% 0.21/0.48      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyE1_type,type,
% 0.21/0.48      emptyE1: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(emptyE1,definition,
% 0.21/0.48      ( emptyE1
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o] :
% 0.21/0.48            ( ? [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48                & ( Xphi @ Xx ) )
% 0.21/0.48           => ( ( ( dsetconstr @ A
% 0.21/0.48                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.21/0.48                = emptyset )
% 0.21/0.48             => $false ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(vacuousDall_type,type,
% 0.21/0.48      vacuousDall: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(vacuousDall,definition,
% 0.21/0.48      ( vacuousDall
% 0.21/0.48      = ( ! [Xphi: $i > $o,Xx: $i] :
% 0.21/0.48            ( ( in @ Xx @ emptyset )
% 0.21/0.48           => ( Xphi @ Xx ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(quantDeMorgan1_type,type,
% 0.21/0.48      quantDeMorgan1: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(quantDeMorgan1,definition,
% 0.21/0.48      ( quantDeMorgan1
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o] :
% 0.21/0.48            ( ~ ! [Xx: $i] :
% 0.21/0.48                  ( ( in @ Xx @ A )
% 0.21/0.48                 => ( Xphi @ Xx ) )
% 0.21/0.48           => ? [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(quantDeMorgan2_type,type,
% 0.21/0.48      quantDeMorgan2: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(quantDeMorgan2,definition,
% 0.21/0.48      ( quantDeMorgan2
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o] :
% 0.21/0.48            ( ! [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48               => ~ ( Xphi @ Xx ) )
% 0.21/0.48           => ~ ? [Xx: $i] :
% 0.21/0.48                  ( ( in @ Xx @ A )
% 0.21/0.48                  & ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(quantDeMorgan3_type,type,
% 0.21/0.48      quantDeMorgan3: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(quantDeMorgan3,definition,
% 0.21/0.48      ( quantDeMorgan3
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o] :
% 0.21/0.48            ( ~ ? [Xx: $i] :
% 0.21/0.48                  ( ( in @ Xx @ A )
% 0.21/0.48                  & ( Xphi @ Xx ) )
% 0.21/0.48           => ! [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(quantDeMorgan4_type,type,
% 0.21/0.48      quantDeMorgan4: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(quantDeMorgan4,definition,
% 0.21/0.48      ( quantDeMorgan4
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o] :
% 0.21/0.48            ( ? [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48                & ~ ( Xphi @ Xx ) )
% 0.21/0.48           => ~ ! [Xx: $i] :
% 0.21/0.48                  ( ( in @ Xx @ A )
% 0.21/0.48                 => ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(prop2setI_type,type,
% 0.21/0.48      prop2setI: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(prop2setI,definition,
% 0.21/0.48      ( prop2setI
% 0.21/0.48      = ( ! [Xphi: $o] :
% 0.21/0.48            ( Xphi
% 0.21/0.48           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(set2prop_type,type,
% 0.21/0.48      set2prop: $i > $o ).
% 0.21/0.48  
% 0.21/0.48  thf(prop2set2propI_type,type,
% 0.21/0.48      prop2set2propI: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(prop2set2propI,definition,
% 0.21/0.48      ( prop2set2propI
% 0.21/0.48      = ( ! [Xphi: $o] :
% 0.21/0.48            ( Xphi
% 0.21/0.48           => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(notdexE_type,type,
% 0.21/0.48      notdexE: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(notdexE,definition,
% 0.21/0.48      ( notdexE
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o] :
% 0.21/0.48            ( ~ ? [Xx: $i] :
% 0.21/0.48                  ( ( in @ Xx @ A )
% 0.21/0.48                  & ( Xphi @ Xx ) )
% 0.21/0.48           => ! [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(notdallE_type,type,
% 0.21/0.48      notdallE: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(notdallE,definition,
% 0.21/0.48      ( notdallE
% 0.21/0.48      = ( ! [A: $i,Xphi: $i > $o] :
% 0.21/0.48            ( ~ ! [Xx: $i] :
% 0.21/0.48                  ( ( in @ Xx @ A )
% 0.21/0.48                 => ( Xphi @ Xx ) )
% 0.21/0.48           => ? [Xx: $i] :
% 0.21/0.48                ( ( in @ Xx @ A )
% 0.21/0.48                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(exuI1_type,type,
% 0.21/0.48      exuI1: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(exuI1,definition,
% 0.21/0.48      ( exuI1
% 0.21/0.48      = ( ! [Xphi: $i > $o] :
% 0.21/0.48            ( ? [Xx: $i] :
% 0.21/0.48                ( ( Xphi @ Xx )
% 0.21/0.48                & ! [Xy: $i] :
% 0.21/0.48                    ( ( Xphi @ Xy )
% 0.21/0.48                   => ( Xx = Xy ) ) )
% 0.21/0.48           => ( exu
% 0.21/0.48              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(exuI3_type,type,
% 0.21/0.48      exuI3: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(exuI3,definition,
% 0.21/0.48      ( exuI3
% 0.21/0.48      = ( ! [Xphi: $i > $o] :
% 0.21/0.48            ( ? [Xx: $i] : ( Xphi @ Xx )
% 0.21/0.48           => ( ! [Xx: $i,Xy: $i] :
% 0.21/0.48                  ( ( Xphi @ Xx )
% 0.21/0.48                 => ( ( Xphi @ Xy )
% 0.21/0.48                   => ( Xx = Xy ) ) )
% 0.21/0.48             => ( exu
% 0.21/0.48                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(exuI2_type,type,
% 0.21/0.48      exuI2: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(exuI2,definition,
% 0.21/0.48      ( exuI2
% 0.21/0.48      = ( ! [Xphi: $i > $o] :
% 0.21/0.48            ( ? [Xx: $i] :
% 0.21/0.48              ! [Xy: $i] :
% 0.21/0.48                ( ( Xphi @ Xy )
% 0.21/0.48              <=> ( Xy = Xx ) )
% 0.21/0.48           => ( exu
% 0.21/0.48              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(inCongP_type,type,
% 0.21/0.48      inCongP: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(inCongP,definition,
% 0.21/0.48      ( inCongP
% 0.21/0.48      = ( ! [A: $i,B: $i] :
% 0.21/0.48            ( ( A = B )
% 0.21/0.48           => ! [Xx: $i,Xy: $i] :
% 0.21/0.48                ( ( Xx = Xy )
% 0.21/0.48               => ( ( in @ Xx @ A )
% 0.21/0.48                 => ( in @ Xy @ B ) ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(in__Cong_type,type,
% 0.21/0.48      in__Cong: $o ).
% 0.21/0.48  
% 0.21/0.48  thf(in__Cong,definition,
% 0.21/0.48      ( in__Cong
% 0.21/0.48      = ( ! [A: $i,B: $i] :
% 0.21/0.48            ( ( A = B )
% 0.21/0.48           => ! [Xx: $i,Xy: $i] :
% 0.21/0.48                ( ( Xx = Xy )
% 0.21/0.48               => ( ( in @ Xx @ A )
% 0.21/0.48                <=> ( in @ Xy @ B ) ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  thf(exuE3u,conjecture,
% 0.21/0.48      ( setextAx
% 0.21/0.48     => ( emptysetAx
% 0.21/0.48       => ( setadjoinAx
% 0.21/0.48         => ( powersetAx
% 0.21/0.48           => ( setunionAx
% 0.21/0.48             => ( omega0Ax
% 0.21/0.48               => ( omegaSAx
% 0.21/0.48                 => ( omegaIndAx
% 0.21/0.48                   => ( replAx
% 0.21/0.48                     => ( foundationAx
% 0.21/0.48                       => ( wellorderingAx
% 0.21/0.48                         => ( descrp
% 0.21/0.48                           => ( dsetconstrI
% 0.21/0.48                             => ( dsetconstrEL
% 0.21/0.48                               => ( dsetconstrER
% 0.21/0.48                                 => ( exuE1
% 0.21/0.48                                   => ( prop2setE
% 0.21/0.48                                     => ( emptysetE
% 0.21/0.48                                       => ( emptysetimpfalse
% 0.21/0.48                                         => ( notinemptyset
% 0.21/0.48                                           => ( exuE3e
% 0.21/0.48                                             => ( setext
% 0.21/0.48                                               => ( emptyI
% 0.21/0.48                                                 => ( noeltsimpempty
% 0.21/0.48                                                   => ( setbeta
% 0.21/0.48                                                     => ( nonemptyE1
% 0.21/0.48                                                       => ( nonemptyI
% 0.21/0.48                                                         => ( nonemptyI1
% 0.21/0.48                                                           => ( setadjoinIL
% 0.21/0.48                                                             => ( emptyinunitempty
% 0.21/0.48                                                               => ( setadjoinIR
% 0.21/0.48                                                                 => ( setadjoinE
% 0.21/0.48                                                                   => ( setadjoinOr
% 0.21/0.48                                                                     => ( setoftrueEq
% 0.21/0.48                                                                       => ( powersetI
% 0.21/0.48                                                                         => ( emptyinPowerset
% 0.21/0.48                                                                           => ( emptyInPowerset
% 0.21/0.48                                                                             => ( powersetE
% 0.21/0.48                                                                               => ( setunionI
% 0.21/0.48                                                                                 => ( setunionE
% 0.21/0.48                                                                                   => ( subPowSU
% 0.21/0.48                                                                                     => ( exuE2
% 0.21/0.48                                                                                       => ( nonemptyImpWitness
% 0.21/0.48                                                                                         => ( uniqinunit
% 0.21/0.48                                                                                           => ( notinsingleton
% 0.21/0.48                                                                                             => ( eqinunit
% 0.21/0.48                                                                                               => ( singletonsswitch
% 0.21/0.48                                                                                                 => ( upairsetE
% 0.21/0.48                                                                                                   => ( upairsetIL
% 0.21/0.48                                                                                                     => ( upairsetIR
% 0.21/0.48                                                                                                       => ( emptyE1
% 0.21/0.48                                                                                                         => ( vacuousDall
% 0.21/0.48                                                                                                           => ( quantDeMorgan1
% 0.21/0.48                                                                                                             => ( quantDeMorgan2
% 0.21/0.48                                                                                                               => ( quantDeMorgan3
% 0.21/0.48                                                                                                                 => ( quantDeMorgan4
% 0.21/0.48                                                                                                                   => ( prop2setI
% 0.21/0.48                                                                                                                     => ( prop2set2propI
% 0.21/0.48                                                                                                                       => ( notdexE
% 0.21/0.48                                                                                                                         => ( notdallE
% 0.21/0.48                                                                                                                           => ( exuI1
% 0.21/0.48                                                                                                                             => ( exuI3
% 0.21/0.48                                                                                                                               => ( exuI2
% 0.21/0.48                                                                                                                                 => ( inCongP
% 0.21/0.48                                                                                                                                   => ( in__Cong
% 0.21/0.48                                                                                                                                     => ! [Xphi: $i > $o] :
% 0.21/0.48                                                                                                                                          ( ( exu
% 0.21/0.48                                                                                                                                            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.21/0.48                                                                                                                                         => ! [Xx: $i,Xy: $i] :
% 0.21/0.48                                                                                                                                              ( ( Xphi @ Xx )
% 0.21/0.48                                                                                                                                             => ( ( Xphi @ Xy )
% 0.21/0.48                                                                                                                                               => ( Xx = Xy ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 0.21/0.48  
% 0.21/0.48  %------------------------------------------------------------------------------
% 0.21/0.48  ------------------------
% 2.04/1.44  ---- Embedded in THF ---
% 2.04/1.44  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 2.04/1.44  %%% Generated on Tue Feb 24 12:27:21 EST 2026
% 2.04/1.44  %%% using '$$dhol' embedding, version 1.3.0.
% 2.04/1.44  %%% Logic specification used:
% 2.04/1.44  %%% thf(spec, logic, $$dhol).
% 2.04/1.44  
% 2.04/1.44  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.uHZUGiWJ92/DTF2DTF13281.p
% See solution above
% 2.04/1.44  ------------------------
% 2.04/1.46  ---- Cleaned THF ---
% 2.04/1.46  thf(in_type,type,
% 2.04/1.46      in: $i > $i > $o ).
% 2.04/1.46  
% 2.04/1.46  thf(exu_type,type,
% 2.04/1.46      exu: ( $i > $o ) > $o ).
% 2.04/1.46  
% 2.04/1.46  thf(exu,definition,
% 2.04/1.46      ( exu
% 2.04/1.46      = ( ^ [Xphi: $i > $o] :
% 2.04/1.46          ? [Xx: $i] :
% 2.04/1.46            ( ( Xphi @ Xx )
% 2.04/1.46            & ! [Xy: $i] :
% 2.04/1.46                ( ( Xphi @ Xy )
% 2.04/1.46               => ( Xx = Xy ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setextAx_type,type,
% 2.04/1.46      setextAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setextAx,definition,
% 2.04/1.46      ( setextAx
% 2.04/1.46      = ( ! [A: $i,B: $i] :
% 2.04/1.46            ( ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46              <=> ( in @ Xx @ B ) )
% 2.04/1.46           => ( A = B ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyset_type,type,
% 2.04/1.46      emptyset: $i ).
% 2.04/1.46  
% 2.04/1.46  thf(emptysetAx_type,type,
% 2.04/1.46      emptysetAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(emptysetAx,definition,
% 2.04/1.46      ( emptysetAx
% 2.04/1.46      = ( ! [Xx: $i] :
% 2.04/1.46            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoin_type,type,
% 2.04/1.46      setadjoin: $i > $i > $i ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinAx_type,type,
% 2.04/1.46      setadjoinAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinAx,definition,
% 2.04/1.46      ( setadjoinAx
% 2.04/1.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.04/1.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.04/1.46          <=> ( ( Xy = Xx )
% 2.04/1.46              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(powerset_type,type,
% 2.04/1.46      powerset: $i > $i ).
% 2.04/1.46  
% 2.04/1.46  thf(powersetAx_type,type,
% 2.04/1.46      powersetAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(powersetAx,definition,
% 2.04/1.46      ( powersetAx
% 2.04/1.46      = ( ! [A: $i,B: $i] :
% 2.04/1.46            ( ( in @ B @ ( powerset @ A ) )
% 2.04/1.46          <=> ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ B )
% 2.04/1.46               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setunion_type,type,
% 2.04/1.46      setunion: $i > $i ).
% 2.04/1.46  
% 2.04/1.46  thf(setunionAx_type,type,
% 2.04/1.46      setunionAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setunionAx,definition,
% 2.04/1.46      ( setunionAx
% 2.04/1.46      = ( ! [A: $i,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ ( setunion @ A ) )
% 2.04/1.46          <=> ? [B: $i] :
% 2.04/1.46                ( ( in @ Xx @ B )
% 2.04/1.46                & ( in @ B @ A ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(omega_type,type,
% 2.04/1.46      omega: $i ).
% 2.04/1.46  
% 2.04/1.46  thf(omega0Ax_type,type,
% 2.04/1.46      omega0Ax: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(omega0Ax,definition,
% 2.04/1.46      ( omega0Ax
% 2.04/1.46      = ( in @ emptyset @ omega ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(omegaSAx_type,type,
% 2.04/1.46      omegaSAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(omegaSAx,definition,
% 2.04/1.46      ( omegaSAx
% 2.04/1.46      = ( ! [Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ omega )
% 2.04/1.46           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(omegaIndAx_type,type,
% 2.04/1.46      omegaIndAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(omegaIndAx,definition,
% 2.04/1.46      ( omegaIndAx
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46            ( ( ( in @ emptyset @ A )
% 2.04/1.46              & ! [Xx: $i] :
% 2.04/1.46                  ( ( ( in @ Xx @ omega )
% 2.04/1.46                    & ( in @ Xx @ A ) )
% 2.04/1.46                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 2.04/1.46           => ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ omega )
% 2.04/1.46               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(replAx_type,type,
% 2.04/1.46      replAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(replAx,definition,
% 2.04/1.46      ( replAx
% 2.04/1.46      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 2.04/1.46            ( ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46               => ( exu
% 2.04/1.46                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 2.04/1.46           => ? [B: $i] :
% 2.04/1.46              ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ B )
% 2.04/1.46              <=> ? [Xy: $i] :
% 2.04/1.46                    ( ( in @ Xy @ A )
% 2.04/1.46                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(foundationAx_type,type,
% 2.04/1.46      foundationAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(foundationAx,definition,
% 2.04/1.46      ( foundationAx
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.04/1.46           => ? [B: $i] :
% 2.04/1.46                ( ( in @ B @ A )
% 2.04/1.46                & ~ ? [Xx: $i] :
% 2.04/1.46                      ( ( in @ Xx @ B )
% 2.04/1.46                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(wellorderingAx_type,type,
% 2.04/1.46      wellorderingAx: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(wellorderingAx,definition,
% 2.04/1.46      ( wellorderingAx
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46          ? [B: $i] :
% 2.04/1.46            ( ! [C: $i] :
% 2.04/1.46                ( ( in @ C @ B )
% 2.04/1.46               => ! [Xx: $i] :
% 2.04/1.46                    ( ( in @ Xx @ C )
% 2.04/1.46                   => ( in @ Xx @ A ) ) )
% 2.04/1.46            & ! [Xx: $i,Xy: $i] :
% 2.04/1.46                ( ( ( in @ Xx @ A )
% 2.04/1.46                  & ( in @ Xy @ A ) )
% 2.04/1.46               => ( ! [C: $i] :
% 2.04/1.46                      ( ( in @ C @ B )
% 2.04/1.46                     => ( ( in @ Xx @ C )
% 2.04/1.46                      <=> ( in @ Xy @ C ) ) )
% 2.04/1.46                 => ( Xx = Xy ) ) )
% 2.04/1.46            & ! [C: $i,D: $i] :
% 2.04/1.46                ( ( ( in @ C @ B )
% 2.04/1.46                  & ( in @ D @ B ) )
% 2.04/1.46               => ( ! [Xx: $i] :
% 2.04/1.46                      ( ( in @ Xx @ C )
% 2.04/1.46                     => ( in @ Xx @ D ) )
% 2.04/1.46                  | ! [Xx: $i] :
% 2.04/1.46                      ( ( in @ Xx @ D )
% 2.04/1.46                     => ( in @ Xx @ C ) ) ) )
% 2.04/1.46            & ! [C: $i] :
% 2.04/1.46                ( ( ! [Xx: $i] :
% 2.04/1.46                      ( ( in @ Xx @ C )
% 2.04/1.46                     => ( in @ Xx @ A ) )
% 2.04/1.46                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 2.04/1.46               => ? [D: $i,Xx: $i] :
% 2.04/1.46                    ( ( in @ D @ B )
% 2.04/1.46                    & ( in @ Xx @ C )
% 2.04/1.46                    & ~ ? [Xy: $i] :
% 2.04/1.46                          ( ( in @ Xy @ D )
% 2.04/1.46                          & ( in @ Xy @ C ) )
% 2.04/1.46                    & ! [E: $i] :
% 2.04/1.46                        ( ( in @ E @ B )
% 2.04/1.46                       => ( ! [Xy: $i] :
% 2.04/1.46                              ( ( in @ Xy @ E )
% 2.04/1.46                             => ( in @ Xy @ D ) )
% 2.04/1.46                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(descr_type,type,
% 2.04/1.46      descr: ( $i > $o ) > $i ).
% 2.04/1.46  
% 2.04/1.46  thf(descrp_type,type,
% 2.04/1.46      descrp: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(descrp,definition,
% 2.04/1.46      ( descrp
% 2.04/1.46      = ( ! [Xphi: $i > $o] :
% 2.04/1.46            ( ( exu
% 2.04/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.46           => ( Xphi
% 2.04/1.46              @ ( descr
% 2.04/1.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(dsetconstr_type,type,
% 2.04/1.46      dsetconstr: $i > ( $i > $o ) > $i ).
% 2.04/1.46  
% 2.04/1.46  thf(dsetconstrI_type,type,
% 2.04/1.46      dsetconstrI: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(dsetconstrI,definition,
% 2.04/1.46      ( dsetconstrI
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ A )
% 2.04/1.46           => ( ( Xphi @ Xx )
% 2.04/1.46             => ( in @ Xx
% 2.04/1.46                @ ( dsetconstr @ A
% 2.04/1.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(dsetconstrEL_type,type,
% 2.04/1.46      dsetconstrEL: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(dsetconstrEL,definition,
% 2.04/1.46      ( dsetconstrEL
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx
% 2.04/1.46              @ ( dsetconstr @ A
% 2.04/1.46                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.04/1.46           => ( in @ Xx @ A ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(dsetconstrER_type,type,
% 2.04/1.46      dsetconstrER: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(dsetconstrER,definition,
% 2.04/1.46      ( dsetconstrER
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx
% 2.04/1.46              @ ( dsetconstr @ A
% 2.04/1.46                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.04/1.46           => ( Xphi @ Xx ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(exuE1_type,type,
% 2.04/1.46      exuE1: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(exuE1,definition,
% 2.04/1.46      ( exuE1
% 2.04/1.46      = ( ! [Xphi: $i > $o] :
% 2.04/1.46            ( ( exu
% 2.04/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.46           => ? [Xx: $i] :
% 2.04/1.46                ( ( Xphi @ Xx )
% 2.04/1.46                & ! [Xy: $i] :
% 2.04/1.46                    ( ( Xphi @ Xy )
% 2.04/1.46                   => ( Xx = Xy ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(prop2set_type,type,
% 2.04/1.46      prop2set: $o > $i ).
% 2.04/1.46  
% 2.04/1.46  thf(prop2setE_type,type,
% 2.04/1.46      prop2setE: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(prop2setE,definition,
% 2.04/1.46      ( prop2setE
% 2.04/1.46      = ( ! [Xphi: $o,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 2.04/1.46           => Xphi ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(emptysetE_type,type,
% 2.04/1.46      emptysetE: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(emptysetE,definition,
% 2.04/1.46      ( emptysetE
% 2.04/1.46      = ( ! [Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ emptyset )
% 2.04/1.46           => ! [Xphi: $o] : Xphi ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(emptysetimpfalse_type,type,
% 2.04/1.46      emptysetimpfalse: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(emptysetimpfalse,definition,
% 2.04/1.46      ( emptysetimpfalse
% 2.04/1.46      = ( ! [Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ emptyset )
% 2.04/1.46           => $false ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(notinemptyset_type,type,
% 2.04/1.46      notinemptyset: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(notinemptyset,definition,
% 2.04/1.46      ( notinemptyset
% 2.04/1.46      = ( ! [Xx: $i] :
% 2.04/1.46            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(exuE3e_type,type,
% 2.04/1.46      exuE3e: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(exuE3e,definition,
% 2.04/1.46      ( exuE3e
% 2.04/1.46      = ( ! [Xphi: $i > $o] :
% 2.04/1.46            ( ( exu
% 2.04/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.46           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setext_type,type,
% 2.04/1.46      setext: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setext,definition,
% 2.04/1.46      ( setext
% 2.04/1.46      = ( ! [A: $i,B: $i] :
% 2.04/1.46            ( ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46               => ( in @ Xx @ B ) )
% 2.04/1.46           => ( ! [Xx: $i] :
% 2.04/1.46                  ( ( in @ Xx @ B )
% 2.04/1.46                 => ( in @ Xx @ A ) )
% 2.04/1.46             => ( A = B ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyI_type,type,
% 2.04/1.46      emptyI: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyI,definition,
% 2.04/1.46      ( emptyI
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46            ( ! [Xx: $i] :
% 2.04/1.46                ~ ( in @ Xx @ A )
% 2.04/1.46           => ( A = emptyset ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(noeltsimpempty_type,type,
% 2.04/1.46      noeltsimpempty: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(noeltsimpempty,definition,
% 2.04/1.46      ( noeltsimpempty
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46            ( ! [Xx: $i] :
% 2.04/1.46                ~ ( in @ Xx @ A )
% 2.04/1.46           => ( A = emptyset ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setbeta_type,type,
% 2.04/1.46      setbeta: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setbeta,definition,
% 2.04/1.46      ( setbeta
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ A )
% 2.04/1.46           => ( ( in @ Xx
% 2.04/1.46                @ ( dsetconstr @ A
% 2.04/1.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.04/1.46            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(nonempty_type,type,
% 2.04/1.46      nonempty: $i > $o ).
% 2.04/1.46  
% 2.04/1.46  thf(nonempty,definition,
% 2.04/1.46      ( nonempty
% 2.04/1.46      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(nonemptyE1_type,type,
% 2.04/1.46      nonemptyE1: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(nonemptyE1,definition,
% 2.04/1.46      ( nonemptyE1
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46            ( ( nonempty @ A )
% 2.04/1.46           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(nonemptyI_type,type,
% 2.04/1.46      nonemptyI: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(nonemptyI,definition,
% 2.04/1.46      ( nonemptyI
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ A )
% 2.04/1.46           => ( ( Xphi @ Xx )
% 2.04/1.46             => ( nonempty
% 2.04/1.46                @ ( dsetconstr @ A
% 2.04/1.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(nonemptyI1_type,type,
% 2.04/1.46      nonemptyI1: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(nonemptyI1,definition,
% 2.04/1.46      ( nonemptyI1
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.04/1.46           => ( nonempty @ A ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinIL_type,type,
% 2.04/1.46      setadjoinIL: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinIL,definition,
% 2.04/1.46      ( setadjoinIL
% 2.04/1.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyinunitempty_type,type,
% 2.04/1.46      emptyinunitempty: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyinunitempty,definition,
% 2.04/1.46      ( emptyinunitempty
% 2.04/1.46      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinIR_type,type,
% 2.04/1.46      setadjoinIR: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinIR,definition,
% 2.04/1.46      ( setadjoinIR
% 2.04/1.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.04/1.46            ( ( in @ Xy @ A )
% 2.04/1.46           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinE_type,type,
% 2.04/1.46      setadjoinE: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinE,definition,
% 2.04/1.46      ( setadjoinE
% 2.04/1.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.04/1.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.04/1.46           => ! [Xphi: $o] :
% 2.04/1.46                ( ( ( Xy = Xx )
% 2.04/1.46                 => Xphi )
% 2.04/1.46               => ( ( ( in @ Xy @ A )
% 2.04/1.46                   => Xphi )
% 2.04/1.46                 => Xphi ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinOr_type,type,
% 2.04/1.46      setadjoinOr: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setadjoinOr,definition,
% 2.04/1.46      ( setadjoinOr
% 2.04/1.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.04/1.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.04/1.46           => ( ( Xy = Xx )
% 2.04/1.46              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setoftrueEq_type,type,
% 2.04/1.46      setoftrueEq: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setoftrueEq,definition,
% 2.04/1.46      ( setoftrueEq
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46            ( ( dsetconstr @ A
% 2.04/1.46              @ ^ [Xx: $i] : $true )
% 2.04/1.46            = A ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(powersetI_type,type,
% 2.04/1.46      powersetI: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(powersetI,definition,
% 2.04/1.46      ( powersetI
% 2.04/1.46      = ( ! [A: $i,B: $i] :
% 2.04/1.46            ( ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ B )
% 2.04/1.46               => ( in @ Xx @ A ) )
% 2.04/1.46           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyinPowerset_type,type,
% 2.04/1.46      emptyinPowerset: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyinPowerset,definition,
% 2.04/1.46      ( emptyinPowerset
% 2.04/1.46      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyInPowerset_type,type,
% 2.04/1.46      emptyInPowerset: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyInPowerset,definition,
% 2.04/1.46      ( emptyInPowerset
% 2.04/1.46      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(powersetE_type,type,
% 2.04/1.46      powersetE: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(powersetE,definition,
% 2.04/1.46      ( powersetE
% 2.04/1.46      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.04/1.46            ( ( in @ B @ ( powerset @ A ) )
% 2.04/1.46           => ( ( in @ Xx @ B )
% 2.04/1.46             => ( in @ Xx @ A ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setunionI_type,type,
% 2.04/1.46      setunionI: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setunionI,definition,
% 2.04/1.46      ( setunionI
% 2.04/1.46      = ( ! [A: $i,Xx: $i,B: $i] :
% 2.04/1.46            ( ( in @ Xx @ B )
% 2.04/1.46           => ( ( in @ B @ A )
% 2.04/1.46             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(setunionE_type,type,
% 2.04/1.46      setunionE: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(setunionE,definition,
% 2.04/1.46      ( setunionE
% 2.04/1.46      = ( ! [A: $i,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ ( setunion @ A ) )
% 2.04/1.46           => ! [Xphi: $o] :
% 2.04/1.46                ( ! [B: $i] :
% 2.04/1.46                    ( ( in @ Xx @ B )
% 2.04/1.46                   => ( ( in @ B @ A )
% 2.04/1.46                     => Xphi ) )
% 2.04/1.46               => Xphi ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(subPowSU_type,type,
% 2.04/1.46      subPowSU: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(subPowSU,definition,
% 2.04/1.46      ( subPowSU
% 2.04/1.46      = ( ! [A: $i,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ A )
% 2.04/1.46           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(exuE2_type,type,
% 2.04/1.46      exuE2: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(exuE2,definition,
% 2.04/1.46      ( exuE2
% 2.04/1.46      = ( ! [Xphi: $i > $o] :
% 2.04/1.46            ( ( exu
% 2.04/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.46           => ? [Xx: $i] :
% 2.04/1.46              ! [Xy: $i] :
% 2.04/1.46                ( ( Xphi @ Xy )
% 2.04/1.46              <=> ( Xy = Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(nonemptyImpWitness_type,type,
% 2.04/1.46      nonemptyImpWitness: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(nonemptyImpWitness,definition,
% 2.04/1.46      ( nonemptyImpWitness
% 2.04/1.46      = ( ! [A: $i] :
% 2.04/1.46            ( ( nonempty @ A )
% 2.04/1.46           => ? [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46                & $true ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(uniqinunit_type,type,
% 2.04/1.46      uniqinunit: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(uniqinunit,definition,
% 2.04/1.46      ( uniqinunit
% 2.04/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.04/1.46            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.04/1.46           => ( Xx = Xy ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(notinsingleton_type,type,
% 2.04/1.46      notinsingleton: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(notinsingleton,definition,
% 2.04/1.46      ( notinsingleton
% 2.04/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.04/1.46            ( ( Xx != Xy )
% 2.04/1.46           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(eqinunit_type,type,
% 2.04/1.46      eqinunit: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(eqinunit,definition,
% 2.04/1.46      ( eqinunit
% 2.04/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.04/1.46            ( ( Xx = Xy )
% 2.04/1.46           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(singletonsswitch_type,type,
% 2.04/1.46      singletonsswitch: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(singletonsswitch,definition,
% 2.04/1.46      ( singletonsswitch
% 2.04/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.04/1.46            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.04/1.46           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(upairsetE_type,type,
% 2.04/1.46      upairsetE: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(upairsetE,definition,
% 2.04/1.46      ( upairsetE
% 2.04/1.46      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 2.04/1.46            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 2.04/1.46           => ( ( Xz = Xx )
% 2.04/1.46              | ( Xz = Xy ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(upairsetIL_type,type,
% 2.04/1.46      upairsetIL: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(upairsetIL,definition,
% 2.04/1.46      ( upairsetIL
% 2.04/1.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(upairsetIR_type,type,
% 2.04/1.46      upairsetIR: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(upairsetIR,definition,
% 2.04/1.46      ( upairsetIR
% 2.04/1.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyE1_type,type,
% 2.04/1.46      emptyE1: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(emptyE1,definition,
% 2.04/1.46      ( emptyE1
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.46            ( ? [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46                & ( Xphi @ Xx ) )
% 2.04/1.46           => ( ( ( dsetconstr @ A
% 2.04/1.46                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.46                = emptyset )
% 2.04/1.46             => $false ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(vacuousDall_type,type,
% 2.04/1.46      vacuousDall: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(vacuousDall,definition,
% 2.04/1.46      ( vacuousDall
% 2.04/1.46      = ( ! [Xphi: $i > $o,Xx: $i] :
% 2.04/1.46            ( ( in @ Xx @ emptyset )
% 2.04/1.46           => ( Xphi @ Xx ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(quantDeMorgan1_type,type,
% 2.04/1.46      quantDeMorgan1: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(quantDeMorgan1,definition,
% 2.04/1.46      ( quantDeMorgan1
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.46            ( ~ ! [Xx: $i] :
% 2.04/1.46                  ( ( in @ Xx @ A )
% 2.04/1.46                 => ( Xphi @ Xx ) )
% 2.04/1.46           => ? [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(quantDeMorgan2_type,type,
% 2.04/1.46      quantDeMorgan2: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(quantDeMorgan2,definition,
% 2.04/1.46      ( quantDeMorgan2
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.46            ( ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46               => ~ ( Xphi @ Xx ) )
% 2.04/1.46           => ~ ? [Xx: $i] :
% 2.04/1.46                  ( ( in @ Xx @ A )
% 2.04/1.46                  & ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(quantDeMorgan3_type,type,
% 2.04/1.46      quantDeMorgan3: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(quantDeMorgan3,definition,
% 2.04/1.46      ( quantDeMorgan3
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.46            ( ~ ? [Xx: $i] :
% 2.04/1.46                  ( ( in @ Xx @ A )
% 2.04/1.46                  & ( Xphi @ Xx ) )
% 2.04/1.46           => ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(quantDeMorgan4_type,type,
% 2.04/1.46      quantDeMorgan4: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(quantDeMorgan4,definition,
% 2.04/1.46      ( quantDeMorgan4
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.46            ( ? [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46                & ~ ( Xphi @ Xx ) )
% 2.04/1.46           => ~ ! [Xx: $i] :
% 2.04/1.46                  ( ( in @ Xx @ A )
% 2.04/1.46                 => ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(prop2setI_type,type,
% 2.04/1.46      prop2setI: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(prop2setI,definition,
% 2.04/1.46      ( prop2setI
% 2.04/1.46      = ( ! [Xphi: $o] :
% 2.04/1.46            ( Xphi
% 2.04/1.46           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(set2prop_type,type,
% 2.04/1.46      set2prop: $i > $o ).
% 2.04/1.46  
% 2.04/1.46  thf(prop2set2propI_type,type,
% 2.04/1.46      prop2set2propI: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(prop2set2propI,definition,
% 2.04/1.46      ( prop2set2propI
% 2.04/1.46      = ( ! [Xphi: $o] :
% 2.04/1.46            ( Xphi
% 2.04/1.46           => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(notdexE_type,type,
% 2.04/1.46      notdexE: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(notdexE,definition,
% 2.04/1.46      ( notdexE
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.46            ( ~ ? [Xx: $i] :
% 2.04/1.46                  ( ( in @ Xx @ A )
% 2.04/1.46                  & ( Xphi @ Xx ) )
% 2.04/1.46           => ! [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(notdallE_type,type,
% 2.04/1.46      notdallE: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(notdallE,definition,
% 2.04/1.46      ( notdallE
% 2.04/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.46            ( ~ ! [Xx: $i] :
% 2.04/1.46                  ( ( in @ Xx @ A )
% 2.04/1.46                 => ( Xphi @ Xx ) )
% 2.04/1.46           => ? [Xx: $i] :
% 2.04/1.46                ( ( in @ Xx @ A )
% 2.04/1.46                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(exuI1_type,type,
% 2.04/1.46      exuI1: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(exuI1,definition,
% 2.04/1.46      ( exuI1
% 2.04/1.46      = ( ! [Xphi: $i > $o] :
% 2.04/1.46            ( ? [Xx: $i] :
% 2.04/1.46                ( ( Xphi @ Xx )
% 2.04/1.46                & ! [Xy: $i] :
% 2.04/1.46                    ( ( Xphi @ Xy )
% 2.04/1.46                   => ( Xx = Xy ) ) )
% 2.04/1.46           => ( exu
% 2.04/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(exuI3_type,type,
% 2.04/1.46      exuI3: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(exuI3,definition,
% 2.04/1.46      ( exuI3
% 2.04/1.46      = ( ! [Xphi: $i > $o] :
% 2.04/1.46            ( ? [Xx: $i] : ( Xphi @ Xx )
% 2.04/1.46           => ( ! [Xx: $i,Xy: $i] :
% 2.04/1.46                  ( ( Xphi @ Xx )
% 2.04/1.46                 => ( ( Xphi @ Xy )
% 2.04/1.46                   => ( Xx = Xy ) ) )
% 2.04/1.46             => ( exu
% 2.04/1.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(exuI2_type,type,
% 2.04/1.46      exuI2: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(exuI2,definition,
% 2.04/1.46      ( exuI2
% 2.04/1.46      = ( ! [Xphi: $i > $o] :
% 2.04/1.46            ( ? [Xx: $i] :
% 2.04/1.46              ! [Xy: $i] :
% 2.04/1.46                ( ( Xphi @ Xy )
% 2.04/1.46              <=> ( Xy = Xx ) )
% 2.04/1.46           => ( exu
% 2.04/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(inCongP_type,type,
% 2.04/1.46      inCongP: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(inCongP,definition,
% 2.04/1.46      ( inCongP
% 2.04/1.46      = ( ! [A: $i,B: $i] :
% 2.04/1.46            ( ( A = B )
% 2.04/1.46           => ! [Xx: $i,Xy: $i] :
% 2.04/1.46                ( ( Xx = Xy )
% 2.04/1.46               => ( ( in @ Xx @ A )
% 2.04/1.46                 => ( in @ Xy @ B ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(in__Cong_type,type,
% 2.04/1.46      in__Cong: $o ).
% 2.04/1.46  
% 2.04/1.46  thf(in__Cong,definition,
% 2.04/1.46      ( in__Cong
% 2.04/1.46      = ( ! [A: $i,B: $i] :
% 2.04/1.46            ( ( A = B )
% 2.04/1.46           => ! [Xx: $i,Xy: $i] :
% 2.04/1.46                ( ( Xx = Xy )
% 2.04/1.46               => ( ( in @ Xx @ A )
% 2.04/1.46                <=> ( in @ Xy @ B ) ) ) ) ) ) ).
% 2.04/1.46  
% 2.04/1.46  thf(exuE3u,conjecture,
% 2.04/1.46      ( setextAx
% 2.04/1.46     => ( emptysetAx
% 2.04/1.46       => ( setadjoinAx
% 2.04/1.46         => ( powersetAx
% 2.04/1.46           => ( setunionAx
% 2.04/1.46             => ( omega0Ax
% 2.04/1.46               => ( omegaSAx
% 2.04/1.46                 => ( omegaIndAx
% 2.04/1.46                   => ( replAx
% 2.04/1.46                     => ( foundationAx
% 2.04/1.46                       => ( wellorderingAx
% 2.04/1.46                         => ( descrp
% 2.04/1.46                           => ( dsetconstrI
% 2.04/1.46                             => ( dsetconstrEL
% 2.04/1.46                               => ( dsetconstrER
% 2.04/1.46                                 => ( exuE1
% 2.04/1.46                                   => ( prop2setE
% 2.04/1.46                                     => ( emptysetE
% 2.04/1.46                                       => ( emptysetimpfalse
% 2.04/1.46                                         => ( notinemptyset
% 2.04/1.46                                           => ( exuE3e
% 2.04/1.46                                             => ( setext
% 2.04/1.46                                               => ( emptyI
% 2.04/1.46                                                 => ( noeltsimpempty
% 2.04/1.46                                                   => ( setbeta
% 2.04/1.46                                                     => ( nonemptyE1
% 2.04/1.46                                                       => ( nonemptyI
% 2.04/1.46                                                         => ( nonemptyI1
% 2.04/1.46                                                           => ( setadjoinIL
% 2.04/1.46                                                             => ( emptyinunitempty
% 2.04/1.46                                                               => ( setadjoinIR
% 2.04/1.46                                                                 => ( setadjoinE
% 2.04/1.46                                                                   => ( setadjoinOr
% 2.04/1.46                                                                     => ( setoftrueEq
% 2.04/1.46                                                                       => ( powersetI
% 2.04/1.46                                                                         => ( emptyinPowerset
% 2.04/1.46                                                                           => ( emptyInPowerset
% 2.04/1.46                                                                             => ( powersetE
% 2.04/1.46                                                                               => ( setunionI
% 2.04/1.46                                                                                 => ( setunionE
% 2.04/1.46                                                                                   => ( subPowSU
% 2.04/1.46                                                                                     => ( exuE2
% 2.04/1.46                                                                                       => ( nonemptyImpWitness
% 2.04/1.46                                                                                         => ( uniqinunit
% 2.04/1.46                                                                                           => ( notinsingleton
% 2.04/1.46                                                                                             => ( eqinunit
% 2.04/1.46                                                                                               => ( singletonsswitch
% 2.04/1.46                                                                                                 => ( upairsetE
% 2.04/1.46                                                                                                   => ( upairsetIL
% 2.04/1.46                                                                                                     => ( upairsetIR
% 2.04/1.46                                                                                                       => ( emptyE1
% 2.04/1.46                                                                                                         => ( vacuousDall
% 2.04/1.46                                                                                                           => ( quantDeMorgan1
% 2.04/1.46                                                                                                             => ( quantDeMorgan2
% 2.04/1.46                                                                                                               => ( quantDeMorgan3
% 2.04/1.46                                                                                                                 => ( quantDeMorgan4
% 2.04/1.46                                                                                                                   => ( prop2setI
% 2.04/1.46                                                                                                                     => ( prop2set2propI
% 2.04/1.46                                                                                                                       => ( notdexE
% 2.04/1.46                                                                                                                         => ( notdallE
% 2.04/1.46                                                                                                                           => ( exuI1
% 2.04/1.46                                                                                                                             => ( exuI3
% 2.04/1.46                                                                                                                               => ( exuI2
% 2.04/1.46                                                                                                                                 => ( inCongP
% 2.04/1.46                                                                                                                                   => ( in__Cong
% 2.04/1.46                                                                                                                                     => ! [Xphi: $i > $o] :
% 2.04/1.46                                                                                                                                          ( ( exu
% 2.04/1.46                                                                                                                                            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.46                                                                                                                                         => ! [Xx: $i,Xy: $i] :
% 2.04/1.46                                                                                                                                              ( ( Xphi @ Xx )
% 2.04/1.46                                                                                                                                             => ( ( Xphi @ Xy )
% 2.04/1.46                                                                                                                                               => ( Xx = Xy ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 2.04/1.46  ------------------------
% 2.04/1.47  % (13488)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_13281 for (2999ds/183Mi)
% 2.04/1.47  % (13494)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_13281 for (2999ds/18Mi)
% 2.04/1.48  % (13494)Instruction limit reached!
% 2.04/1.48  % (13494)------------------------------
% 2.04/1.48  % (13494)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.04/1.48  % (13494)Termination reason: Unknown
% 2.04/1.48  % (13494)Termination phase: Preprocessing 3
% 2.04/1.48  
% 2.04/1.48  % (13494)Memory used [KB]: 1535
% 2.04/1.48  % (13494)Time elapsed: 0.007 s
% 2.04/1.48  % (13494)Instructions burned: 18 (million)
% 2.04/1.48  % (13494)------------------------------
% 2.04/1.48  % (13494)------------------------------
% 2.04/1.48  % (13489)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_13281 for (2999ds/4Mi)
% 2.04/1.48  % (13490)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_13281 for (2999ds/27Mi)
% 2.04/1.48  % (13492)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_13281 for (2999ds/2Mi)
% 2.04/1.48  % (13493)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_13281 for (2999ds/275Mi)
% 2.04/1.48  % (13491)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_13281 for (2999ds/2Mi)
% 2.04/1.48  % (13492)Instruction limit reached!
% 2.04/1.48  % (13492)------------------------------
% 2.04/1.48  % (13492)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.04/1.48  % (13492)Termination reason: Unknown
% 2.04/1.48  % (13492)Termination phase: shuffling
% 2.04/1.48  
% 2.04/1.48  % (13492)Memory used [KB]: 1023
% 2.04/1.48  % (13492)Time elapsed: 0.003 s
% 2.04/1.48  % (13492)Instructions burned: 2 (million)
% 2.04/1.48  % (13492)------------------------------
% 2.04/1.48  % (13492)------------------------------
% 2.04/1.48  % (13491)Instruction limit reached!
% 2.04/1.48  % (13491)------------------------------
% 2.04/1.48  % (13491)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.04/1.48  % (13491)Termination reason: Unknown
% 2.04/1.48  % (13491)Termination phase: shuffling
% 2.04/1.48  
% 2.04/1.48  % (13491)Memory used [KB]: 1151
% 2.04/1.48  % (13491)Time elapsed: 0.003 s
% 2.04/1.48  % (13491)Instructions burned: 3 (million)
% 2.04/1.48  % (13491)------------------------------
% 2.04/1.48  % (13491)------------------------------
% 2.04/1.48  % (13489)Instruction limit reached!
% 2.04/1.48  % (13489)------------------------------
% 2.04/1.48  % (13489)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.04/1.48  % (13489)Termination reason: Unknown
% 2.04/1.48  % (13489)Termination phase: shuffling
% 2.04/1.48  
% 2.04/1.48  % (13489)Memory used [KB]: 1151
% 2.04/1.48  % (13489)Time elapsed: 0.005 s
% 2.04/1.48  % (13489)Instructions burned: 5 (million)
% 2.04/1.48  % (13489)------------------------------
% 2.04/1.48  % (13489)------------------------------
% 2.04/1.49  % (13502)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_13281 for (2999ds/3Mi)
% 2.04/1.49  % (13502)Instruction limit reached!
% 2.04/1.49  % (13502)------------------------------
% 2.04/1.49  % (13502)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.04/1.49  % (13502)Termination reason: Unknown
% 2.04/1.49  % (13502)Termination phase: shuffling
% 2.04/1.49  
% 2.04/1.49  % (13502)Memory used [KB]: 1151
% 2.04/1.49  % (13502)Time elapsed: 0.003 s
% 2.04/1.49  % (13502)Instructions burned: 4 (million)
% 2.04/1.49  % (13502)------------------------------
% 2.04/1.49  % (13502)------------------------------
% 2.04/1.49  % (13490)Instruction limit reached!
% 2.04/1.49  % (13490)------------------------------
% 2.04/1.49  % (13490)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.04/1.49  % (13490)Termination reason: Unknown
% 2.04/1.49  % (13490)Termination phase: Property scanning
% 2.04/1.49  
% 2.04/1.49  % (13490)Memory used [KB]: 1407
% 2.04/1.49  % (13490)Time elapsed: 0.016 s
% 2.04/1.49  % (13490)Instructions burned: 28 (million)
% 2.04/1.49  % (13490)------------------------------
% 2.04/1.49  % (13490)------------------------------
% 2.17/1.50  % (13504)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_13281 for (2999ds/37Mi)
% 2.17/1.50  % (13505)lrs+2_16:1_acc=model:au=on:bd=off:c=on:e2e=on:nm=2:sos=all:i=15:si=on:rtra=on_0 on DTF2THF_13281 for (2999ds/15Mi)
% 2.17/1.50  % (13507)dis+21_1:1_cbe=off:cnfonf=off:fs=off:fsr=off:hud=1:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_13281 for (2999ds/3Mi)
% 2.17/1.50  % (13511)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_13281 for (2999ds/1041Mi)
% 2.17/1.50  % (13507)Instruction limit reached!
% 2.17/1.50  % (13507)------------------------------
% 2.17/1.50  % (13507)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.17/1.50  % (13507)Termination reason: Unknown
% 2.17/1.50  % (13507)Termination phase: shuffling
% 2.17/1.50  
% 2.17/1.50  % (13507)Memory used [KB]: 1151
% 2.17/1.50  % (13507)Time elapsed: 0.004 s
% 2.17/1.50  % (13507)Instructions burned: 4 (million)
% 2.17/1.50  % (13507)------------------------------
% 2.17/1.50  % (13507)------------------------------
% 2.17/1.51  % (13488)First to succeed.
% 2.17/1.51  % (13488)Refutation found. Thanks to Tanya!
% 2.17/1.51  % SZS status Theorem for DTF2THF_13281
% 2.17/1.51  % SZS output start Proof for DTF2THF_13281
% 2.17/1.51  thf(func_def_0, type, in: $i > $i > $o).
% 2.17/1.51  thf(func_def_1, type, exu: ($i > $o) > $o).
% 2.17/1.51  thf(func_def_6, type, setadjoin: $i > $i > $i).
% 2.17/1.51  thf(func_def_8, type, powerset: $i > $i).
% 2.17/1.51  thf(func_def_10, type, setunion: $i > $i).
% 2.17/1.51  thf(func_def_19, type, descr: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_21, type, dsetconstr: $i > ($i > $o) > $i).
% 2.17/1.51  thf(func_def_26, type, prop2set: $o > $i).
% 2.17/1.51  thf(func_def_36, type, nonempty: $i > $o).
% 2.17/1.51  thf(func_def_69, type, set2prop: $i > $o).
% 2.17/1.51  thf(func_def_94, type, sK0: $i > $o).
% 2.17/1.51  thf(func_def_98, type, sK4: $i > $i).
% 2.17/1.51  thf(func_def_99, type, sK5: $i > $i > $i).
% 2.17/1.51  thf(func_def_100, type, sK6: $i > $i > $i).
% 2.17/1.51  thf(func_def_101, type, sK7: $i > $i > $i).
% 2.17/1.51  thf(func_def_102, type, sK8: $i > $i > $i > $i).
% 2.17/1.51  thf(func_def_103, type, sK9: $i > $i > $i).
% 2.17/1.51  thf(func_def_104, type, sK10: $i > $i).
% 2.17/1.51  thf(func_def_105, type, sK11: $i > $i > $i).
% 2.17/1.51  thf(func_def_106, type, sK12: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_107, type, sK13: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_108, type, sK14: $i > $i).
% 2.17/1.51  thf(func_def_109, type, sK15: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_110, type, sK16: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_111, type, sK17: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_112, type, sK18: $i > $i).
% 2.17/1.51  thf(func_def_113, type, sK19: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_114, type, sK20: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_115, type, sK21: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_116, type, sK22: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_117, type, sK23: $i > ($i > $o) > $i).
% 2.17/1.51  thf(func_def_118, type, sK24: $i > $i > $i).
% 2.17/1.51  thf(func_def_119, type, sK25: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_121, type, sK26: ($i > $i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_122, type, sK27: ($i > $i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_123, type, sK28: ($i > $i > $o) > $i > $i > $i).
% 2.17/1.51  thf(func_def_124, type, sK29: $i > ($i > $i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_125, type, sK30: $i > ($i > $i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_126, type, sK31: $i > ($i > $i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_127, type, sK32: $i > ($i > $i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_128, type, sK33: $o > $i > $i > $i).
% 2.17/1.51  thf(func_def_129, type, sK34: $i > ($i > $o) > $i).
% 2.17/1.51  thf(func_def_130, type, sK35: $i > $i).
% 2.17/1.51  thf(func_def_131, type, sK36: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_132, type, sK37: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_133, type, sK38: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_134, type, sK39: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_135, type, sK40: $i > $i).
% 2.17/1.51  thf(func_def_136, type, sK41: $i > $i > $i).
% 2.17/1.51  thf(func_def_137, type, sK42: $i > $i > $i).
% 2.17/1.51  thf(func_def_138, type, sK43: $i > $i > $i).
% 2.17/1.51  thf(func_def_139, type, sK44: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_140, type, sK45: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_142, type, sK47: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_143, type, sK48: $i > $i > $i).
% 2.17/1.51  thf(func_def_144, type, sK49: ($i > $o) > $i).
% 2.17/1.51  thf(func_def_145, type, sK50: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_146, type, sK51: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_147, type, sK52: ($i > $o) > $i > $i).
% 2.17/1.51  thf(func_def_148, type, sK53: $i > $i).
% 2.17/1.51  thf(f1276,plain,(
% 2.17/1.51    $false),
% 2.17/1.51    inference(subsumption_resolution,[status(thm)],[f1273,f221])).
% 2.17/1.51  thf(f221,plain,(
% 2.17/1.51    (sK2 != sK1)),
% 2.17/1.51    inference(cnf_transformation,[status(thm)],[f208])).
% 2.17/1.51  thf(f208,plain,(
% 2.17/1.51    (setext = $true) & (nonemptyE1 = $true) & (upairsetIL = $true) & (prop2setE = $true) & (notinsingleton = $true) & (notdexE = $true) & (nonemptyImpWitness = $true) & (uniqinunit = $true) & (in__Cong = $true) & (quantDeMorgan1 = $true) & (setunionE = $true) & (dsetconstrER = $true) & (quantDeMorgan3 = $true) & (descrp = $true) & (emptyI = $true) & (emptyinunitempty = $true) & (setadjoinIR = $true) & (powersetI = $true) & (inCongP = $true) & (setadjoinOr = $true) & (setadjoinAx = $true) & (dsetconstrI = $true) & (setextAx = $true) & (nonemptyI = $true) & (notdallE = $true) & (wellorderingAx = $true) & (replAx = $true) & (omega0Ax = $true) & (quantDeMorgan4 = $true) & (emptyE1 = $true) & (exuI1 = $true) & (emptysetE = $true) & (omegaIndAx = $true) & (exuI3 = $true) & (subPowSU = $true) & (setbeta = $true) & (upairsetIR = $true) & (quantDeMorgan2 = $true) & (emptyinPowerset = $true) & (noeltsimpempty = $true) & (setadjoinIL = $true) & (setunionI = $true) & (prop2set2propI = $true) & (exuE2 = $true) & (emptyInPowerset = $true) & (exuI2 = $true) & (setunionAx = $true) & (vacuousDall = $true) & (prop2setI = $true) & (foundationAx = $true) & (upairsetE = $true) & (emptysetAx = $true) & (exuE1 = $true) & (notinemptyset = $true) & (omegaSAx = $true) & (exuE3e = $true) & (powersetAx = $true) & (dsetconstrEL = $true) & (powersetE = $true) & (emptysetimpfalse = $true) & (eqinunit = $true) & (singletonsswitch = $true) & (setoftrueEq = $true) & (setadjoinE = $true) & (nonemptyI1 = $true) & (((exu @ (^[Y0 : $i]: (sK0 @ Y0))) = $true) & ((sK2 != sK1) & ((sK0 @ sK2) = $true) & ((sK0 @ sK1) = $true)))),
% 2.17/1.51    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f205,f207,f206])).
% 2.17/1.51  thf(f206,plain,(
% 2.17/1.51    ? [X0 : $i > $o] : (((exu @ (^[Y0 : $i]: (X0 @ Y0))) = $true) & ? [X1 : $i,X2 : $i] : ((X1 != X2) & ((X0 @ X2) = $true) & ((X0 @ X1) = $true))) => (((exu @ (^[Y0 : $i]: (sK0 @ Y0))) = $true) & ? [X2 : $i,X1 : $i] : ((X1 != X2) & ((sK0 @ X2) = $true) & ((sK0 @ X1) = $true)))),
% 2.17/1.51    introduced(definition,[],[choice_axiom])).
% 2.17/1.51  thf(f207,plain,(
% 2.17/1.51    ? [X2 : $i,X1 : $i] : ((X1 != X2) & ((sK0 @ X2) = $true) & ((sK0 @ X1) = $true)) => ((sK2 != sK1) & ((sK0 @ sK2) = $true) & ((sK0 @ sK1) = $true))),
% 2.17/1.51    introduced(definition,[],[choice_axiom])).
% 2.17/1.51  thf(f205,plain,(
% 2.17/1.51    (setext = $true) & (nonemptyE1 = $true) & (upairsetIL = $true) & (prop2setE = $true) & (notinsingleton = $true) & (notdexE = $true) & (nonemptyImpWitness = $true) & (uniqinunit = $true) & (in__Cong = $true) & (quantDeMorgan1 = $true) & (setunionE = $true) & (dsetconstrER = $true) & (quantDeMorgan3 = $true) & (descrp = $true) & (emptyI = $true) & (emptyinunitempty = $true) & (setadjoinIR = $true) & (powersetI = $true) & (inCongP = $true) & (setadjoinOr = $true) & (setadjoinAx = $true) & (dsetconstrI = $true) & (setextAx = $true) & (nonemptyI = $true) & (notdallE = $true) & (wellorderingAx = $true) & (replAx = $true) & (omega0Ax = $true) & (quantDeMorgan4 = $true) & (emptyE1 = $true) & (exuI1 = $true) & (emptysetE = $true) & (omegaIndAx = $true) & (exuI3 = $true) & (subPowSU = $true) & (setbeta = $true) & (upairsetIR = $true) & (quantDeMorgan2 = $true) & (emptyinPowerset = $true) & (noeltsimpempty = $true) & (setadjoinIL = $true) & (setunionI = $true) & (prop2set2propI = $true) & (exuE2 = $true) & (emptyInPowerset = $true) & (exuI2 = $true) & (setunionAx = $true) & (vacuousDall = $true) & (prop2setI = $true) & (foundationAx = $true) & (upairsetE = $true) & (emptysetAx = $true) & (exuE1 = $true) & (notinemptyset = $true) & (omegaSAx = $true) & (exuE3e = $true) & (powersetAx = $true) & (dsetconstrEL = $true) & (powersetE = $true) & (emptysetimpfalse = $true) & (eqinunit = $true) & (singletonsswitch = $true) & (setoftrueEq = $true) & (setadjoinE = $true) & (nonemptyI1 = $true) & ? [X0 : $i > $o] : (((exu @ (^[Y0 : $i]: (X0 @ Y0))) = $true) & ? [X1 : $i,X2 : $i] : ((X1 != X2) & ((X0 @ X2) = $true) & ((X0 @ X1) = $true)))),
% 2.17/1.51    inference(flattening,[status(thm)],[f204])).
% 2.17/1.51  thf(f204,plain,(
% 2.17/1.51    ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((? [X0 : $i > $o] : (? [X1 : $i,X2 : $i] : (((X1 != X2) & ((X0 @ X2) = $true)) & ((X0 @ X1) = $true)) & ((exu @ (^[Y0 : $i]: (X0 @ Y0))) = $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)),
% 2.17/1.51    inference(ennf_transformation,[status(thm)],[f203])).
% 2.17/1.51  thf(f203,plain,(
% 2.17/1.51    ~((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) => ! [X0 : $i > $o] : (((exu @ (^[Y0 : $i]: (X0 @ Y0))) = $true) => ! [X1 : $i,X2 : $i] : (((X0 @ X1) = $true) => (((X0 @ X2) = $true) => (X1 = X2)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.17/1.51    inference(rectify,[status(thm)],[f176])).
% 2.17/1.51  thf(f176,plain,(
% 2.17/1.51    ~((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) => ! [X0 : $i > $o] : (((exu @ (^[Y0 : $i]: (X0 @ Y0))) = $true) => ! [X2 : $i,X3 : $i] : (((X0 @ X2) = $true) => (((X0 @ X3) = $true) => (X2 = X3)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.17/1.51    inference(fool_elimination,[status(thm)],[f175])).
% 2.17/1.51  thf(f175,plain,(
% 2.17/1.51    ~(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 => ! [X0 : $i > $o] : ((exu @ (^[X1 : $i] : (X0 @ X1))) => ! [X2 : $i,X3 : $i] : ((X0 @ X2) => ((X0 @ X3) => (X2 = X3)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.17/1.51    inference(rectify,[status(thm)],[f69])).
% 2.17/1.51  thf(f69,negated_conjecture,(
% 2.17/1.51    ~(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 => ! [X0 : $i > $o] : ((exu @ (^[X1 : $i] : (X0 @ X1))) => ! [X1 : $i,X2 : $i] : ((X0 @ X1) => ((X0 @ X2) => (X1 = X2)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.17/1.51    inference(negated_conjecture,[status(cth)],[f68])).
% 2.17/1.51  thf(f68,conjecture,(
% 2.17/1.51    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 => ! [X0 : $i > $o] : ((exu @ (^[X1 : $i] : (X0 @ X1))) => ! [X1 : $i,X2 : $i] : ((X0 @ X1) => ((X0 @ X2) => (X1 = X2))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.17/1.51    file('/export/starexec/sandbox/tmp/tmp.uHZUGiWJ92/DTF2THF_13281.p',exuE3u)).
% 2.17/1.51  thf(f1273,plain,(
% 2.17/1.51    (sK2 = sK1)),
% 2.17/1.51    inference(superposition,[status(thm)],[f1271,f1269])).
% 2.17/1.51  thf(f1269,plain,(
% 2.17/1.51    (sK2 = sK46)),
% 2.17/1.51    inference(trivial_inequality_removal,[status(thm)],[f1265])).
% 2.17/1.51  thf(f1265,plain,(
% 2.17/1.51    ($true = $false) | (sK2 = sK46)),
% 2.17/1.51    inference(superposition,[status(thm)],[f220,f1094])).
% 2.17/1.51  thf(f1094,plain,(
% 2.17/1.51    ( ! [X1 : $i] : (((sK0 @ X1) = $false) | (sK46 = X1)) )),
% 2.17/1.51    inference(equality_proxy_clausification,[status(thm)],[f1093])).
% 2.17/1.51  thf(f1093,plain,(
% 2.17/1.51    ( ! [X1 : $i] : (((sK0 @ X1) = $false) | ((sK46 = X1) = $true)) )),
% 2.17/1.51    inference(binary_proxy_clausification,[status(thm)],[f1092])).
% 2.17/1.51  thf(f1092,plain,(
% 2.17/1.51    ( ! [X1 : $i] : ((((sK0 @ X1) => (sK46 = X1)) = $true)) )),
% 2.17/1.51    inference(beta_eta_normalization,[status(thm)],[f1091])).
% 2.17/1.51  thf(f1091,plain,(
% 2.17/1.51    ( ! [X1 : $i] : ((((^[Y0 : $i]: ((sK0 @ Y0) => (sK46 = Y0))) @ X1) = $true)) )),
% 2.17/1.51    inference(pi_clausification,[status(thm)],[f1090])).
% 2.17/1.51  thf(f1090,plain,(
% 2.17/1.51    ((!! @ $i @ (^[Y0 : $i]: ((sK0 @ Y0) => (sK46 = Y0)))) = $true)),
% 2.17/1.51    inference(binary_proxy_clausification,[status(thm)],[f1088])).
% 2.17/1.51  thf(f1088,plain,(
% 2.17/1.51    (((!! @ $i @ (^[Y0 : $i]: ((sK0 @ Y0) => (sK46 = Y0)))) & (sK0 @ sK46)) = $true)),
% 2.17/1.51    inference(beta_eta_normalization,[status(thm)],[f1087])).
% 2.17/1.51  thf(f1087,plain,(
% 2.17/1.51    (((^[Y0 : $i]: ((!! @ $i @ (^[Y1 : $i]: ((sK0 @ Y1) => (Y0 = Y1)))) & (sK0 @ Y0))) @ sK46) = $true)),
% 2.17/1.51    inference(sigma_clausification,[status(thm)],[f1086])).
% 2.17/1.51  thf(f1086,plain,(
% 2.17/1.51    ((?? @ $i @ (^[Y0 : $i]: ((!! @ $i @ (^[Y1 : $i]: ((sK0 @ Y1) => (Y0 = Y1)))) & (sK0 @ Y0)))) = $true)),
% 2.17/1.51    inference(beta_eta_normalization,[status(thm)],[f355])).
% 2.17/1.51  thf(f355,plain,(
% 2.17/1.51    (((^[Y0 : $i > $o]: (?? @ $i @ (^[Y1 : $i]: ((!! @ $i @ (^[Y2 : $i]: ((Y0 @ Y2) => (Y1 = Y2)))) & (Y0 @ Y1))))) @ (^[Y0 : $i]: (sK0 @ Y0))) = $true)),
% 2.17/1.51    inference(definition_unfolding,[status(thm)],[f222,f323])).
% 2.17/1.51  thf(f323,plain,(
% 2.17/1.51    (exu = (^[Y0 : $i > $o]: (?? @ $i @ (^[Y1 : $i]: ((!! @ $i @ (^[Y2 : $i]: ((Y0 @ Y2) => (Y1 = Y2)))) & (Y0 @ Y1))))))),
% 2.17/1.51    inference(cnf_transformation,[status(thm)],[f184])).
% 2.17/1.51  thf(f184,plain,(
% 2.17/1.51    (exu = (^[Y0 : $i > $o]: (?? @ $i @ (^[Y1 : $i]: ((!! @ $i @ (^[Y2 : $i]: ((Y0 @ Y2) => (Y1 = Y2)))) & (Y0 @ Y1))))))),
% 2.17/1.51    inference(fool_elimination,[status(thm)],[f183])).
% 2.17/1.51  thf(f183,plain,(
% 2.17/1.51    (exu = (^[X0 : $i > $o] : (? [X1 : $i] : ((X0 @ X1) & ! [X2 : $i] : ((X0 @ X2) => (X1 = X2))))))),
% 2.17/1.51    inference(rectify,[status(thm)],[f1])).
% 2.17/1.51  thf(f1,axiom,(
% 2.17/1.51    (exu = (^[X0 : $i > $o] : (? [X1 : $i] : ((X0 @ X1) & ! [X2 : $i] : ((X0 @ X2) => (X1 = X2))))))),
% 2.17/1.51    file('/export/starexec/sandbox/tmp/tmp.uHZUGiWJ92/DTF2THF_13281.p',exu)).
% 2.17/1.51  thf(f222,plain,(
% 2.17/1.51    ((exu @ (^[Y0 : $i]: (sK0 @ Y0))) = $true)),
% 2.17/1.51    inference(cnf_transformation,[status(thm)],[f208])).
% 2.17/1.51  thf(f220,plain,(
% 2.17/1.51    ((sK0 @ sK2) = $true)),
% 2.17/1.51    inference(cnf_transformation,[status(thm)],[f208])).
% 2.17/1.51  thf(f1271,plain,(
% 2.17/1.51    (sK1 = sK46)),
% 2.17/1.51    inference(trivial_inequality_removal,[status(thm)],[f1264])).
% 2.17/1.51  thf(f1264,plain,(
% 2.17/1.51    (sK1 = sK46) | ($true = $false)),
% 2.17/1.51    inference(superposition,[status(thm)],[f219,f1094])).
% 2.17/1.51  thf(f219,plain,(
% 2.17/1.51    ((sK0 @ sK1) = $true)),
% 2.17/1.51    inference(cnf_transformation,[status(thm)],[f208])).
% 2.17/1.51  % SZS output end Proof for DTF2THF_13281
% 2.17/1.51  % (13488)------------------------------
% 2.17/1.51  % (13488)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.17/1.51  % (13488)Termination reason: Refutation
% 2.17/1.51  
% 2.17/1.51  % (13488)Memory used [KB]: 6524
% 2.17/1.51  % (13488)Time elapsed: 0.035 s
% 2.17/1.51  % (13488)Instructions burned: 110 (million)
% 2.17/1.51  % (13488)------------------------------
% 2.17/1.51  % (13488)------------------------------
% 2.17/1.51  % (13487)Success in time 0.043 s
%------------------------------------------------------------------------------