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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEU540^1 : 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 : n019.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 09:35:10 AM UTC 2026

% Result   : Theorem 2.21s 1.66s
% Output   : Refutation 2.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   34 (  26 unt;   0 typ;   0 def)
%            Number of atoms       :  988 ( 268 equ;   0 cnn)
%            Maximal formula atoms :   58 (  29 avg)
%            Number of connectives :  524 (  12   ~;   0   |; 173   &; 104   @)
%                                         (   0 <=>; 229  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   62 (  13 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  110 ( 106 usr;  61 con; 0-3 aty)
%                                         (   6  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :   41 (  25   ^;  13   !;   3   ?;  41   :)

% 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_87,type,
    sK2: ( $i > $i > $o ) > $i > $i ).

thf(func_def_88,type,
    sK3: ( $i > $i > $o ) > $i > $i ).

thf(func_def_89,type,
    sK4: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_90,type,
    sK5: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_91,type,
    sK6: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_92,type,
    sK7: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_93,type,
    sK8: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_94,type,
    sK9: $i > ( $i > $o ) > $i ).

thf(func_def_95,type,
    sK10: ( $i > $o ) > $i ).

thf(func_def_96,type,
    sK11: ( $i > $o ) > $i > $i ).

thf(func_def_97,type,
    sK12: ( $i > $o ) > $i > $i ).

thf(func_def_98,type,
    sK13: $i > $i ).

thf(func_def_99,type,
    sK14: ( $i > $o ) > $i ).

thf(func_def_100,type,
    sK15: $i > ( $i > $o ) > $i ).

thf(func_def_101,type,
    sK16: ( $i > $o ) > $i ).

thf(func_def_102,type,
    sK17: ( $i > $o ) > $i > $i ).

thf(func_def_103,type,
    sK18: ( $i > $o ) > $i > $i ).

thf(func_def_104,type,
    sK19: $i > $i ).

thf(func_def_105,type,
    sK20: ( $i > $o ) > $i > $i ).

thf(func_def_106,type,
    sK21: $i > $i ).

thf(func_def_107,type,
    sK22: $i > $i > $i > $i ).

thf(func_def_108,type,
    sK23: $i > $i > $i ).

thf(func_def_109,type,
    sK24: $i > $i > $i ).

thf(func_def_110,type,
    sK25: $i > $i > $i ).

thf(func_def_111,type,
    sK26: $i > $i > $i ).

thf(func_def_112,type,
    sK27: $i > $i > $i ).

thf(func_def_113,type,
    sK28: $i > ( $i > $o ) > $i ).

thf(func_def_114,type,
    sK29: ( $i > $o ) > $i > $i ).

thf(func_def_115,type,
    sK30: $i > $i > $i ).

thf(func_def_116,type,
    sK31: $i > $i > $i ).

thf(func_def_117,type,
    sK32: $i > $i > $i ).

thf(func_def_118,type,
    sK33: $i > $i > $i ).

thf(func_def_119,type,
    sK34: $i > $i > $i ).

thf(func_def_120,type,
    sK35: $i > $i ).

thf(func_def_121,type,
    sK36: $i > $i ).

thf(func_def_122,type,
    sK37: $i > $i ).

thf(func_def_123,type,
    sK38: $o > $i > $i > $i ).

thf(func_def_124,type,
    sK39: $i > $i ).

thf(func_def_125,type,
    ph40: 
      !>[X0: $tType] : X0 ).

thf(f1394,plain,
    $false,
    inference(subsumption_resolution,[status(thm)],[f1388,f1004]) ).

thf(f1004,plain,
    ! [X1: $i] :
      ( $true
      = ( in @ emptyset @ ( powerset @ X1 ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f1003]) ).

thf(f1003,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] : ( in @ emptyset @ ( powerset @ Y0 ) )
        @ X1 ) ),
    inference(pi_clausification,[status(thm)],[f315]) ).

thf(f315,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] : ( in @ emptyset @ ( powerset @ Y0 ) ) ) ),
    inference(definition_unfolding,[status(thm)],[f254,f230]) ).

thf(f230,plain,
    emptyinPowerset = $true,
    inference(cnf_transformation,[status(thm)],[f181]) ).

thf(f181,plain,
    ( ( emptysetimpfalse = $true )
    & ( quantDeMorgan4 = $true )
    & ( omegaSAx = $true )
    & ( nonemptyImpWitness = $true )
    & ( foundationAx = $true )
    & ( $true = sK0 )
    & ( $true
     != ( in @ emptyset @ ( prop2set @ sK0 ) ) )
    & ( prop2setE = $true )
    & ( exuE3e = $true )
    & ( upairsetE = $true )
    & ( quantDeMorgan2 = $true )
    & ( setadjoinIR = $true )
    & ( setunionE = $true )
    & ( uniqinunit = $true )
    & ( singletonsswitch = $true )
    & ( setadjoinOr = $true )
    & ( emptyInPowerset = $true )
    & ( setbeta = $true )
    & ( vacuousDall = $true )
    & ( emptyE1 = $true )
    & ( emptyinPowerset = $true )
    & ( emptyI = $true )
    & ( omegaIndAx = $true )
    & ( powersetAx = $true )
    & ( notinemptyset = $true )
    & ( powersetE = $true )
    & ( setunionI = $true )
    & ( noeltsimpempty = $true )
    & ( exuE1 = $true )
    & ( omega0Ax = $true )
    & ( quantDeMorgan1 = $true )
    & ( setadjoinIL = $true )
    & ( quantDeMorgan3 = $true )
    & ( setoftrueEq = $true )
    & ( dsetconstrER = $true )
    & ( exuE2 = $true )
    & ( setunionAx = $true )
    & ( emptysetAx = $true )
    & ( dsetconstrEL = $true )
    & ( setadjoinE = $true )
    & ( subPowSU = $true )
    & ( descrp = $true )
    & ( setextAx = $true )
    & ( upairsetIR = $true )
    & ( emptyinunitempty = $true )
    & ( setadjoinAx = $true )
    & ( nonemptyI1 = $true )
    & ( upairsetIL = $true )
    & ( eqinunit = $true )
    & ( notinsingleton = $true )
    & ( emptysetE = $true )
    & ( powersetI = $true )
    & ( replAx = $true )
    & ( nonemptyE1 = $true )
    & ( setext = $true )
    & ( dsetconstrI = $true )
    & ( wellorderingAx = $true )
    & ( nonemptyI = $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f179,f180]) ).

thf(f180,plain,
    ( ? [X0: $o] :
        ( ( $true = X0 )
        & ( ( in @ emptyset @ ( prop2set @ X0 ) )
         != $true ) )
   => ( ( $true = sK0 )
      & ( $true
       != ( in @ emptyset @ ( prop2set @ sK0 ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f179,plain,
    ( ( emptysetimpfalse = $true )
    & ( quantDeMorgan4 = $true )
    & ( omegaSAx = $true )
    & ( nonemptyImpWitness = $true )
    & ( foundationAx = $true )
    & ? [X0: $o] :
        ( ( $true = X0 )
        & ( ( in @ emptyset @ ( prop2set @ X0 ) )
         != $true ) )
    & ( prop2setE = $true )
    & ( exuE3e = $true )
    & ( upairsetE = $true )
    & ( quantDeMorgan2 = $true )
    & ( setadjoinIR = $true )
    & ( setunionE = $true )
    & ( uniqinunit = $true )
    & ( singletonsswitch = $true )
    & ( setadjoinOr = $true )
    & ( emptyInPowerset = $true )
    & ( setbeta = $true )
    & ( vacuousDall = $true )
    & ( emptyE1 = $true )
    & ( emptyinPowerset = $true )
    & ( emptyI = $true )
    & ( omegaIndAx = $true )
    & ( powersetAx = $true )
    & ( notinemptyset = $true )
    & ( powersetE = $true )
    & ( setunionI = $true )
    & ( noeltsimpempty = $true )
    & ( exuE1 = $true )
    & ( omega0Ax = $true )
    & ( quantDeMorgan1 = $true )
    & ( setadjoinIL = $true )
    & ( quantDeMorgan3 = $true )
    & ( setoftrueEq = $true )
    & ( dsetconstrER = $true )
    & ( exuE2 = $true )
    & ( setunionAx = $true )
    & ( emptysetAx = $true )
    & ( dsetconstrEL = $true )
    & ( setadjoinE = $true )
    & ( subPowSU = $true )
    & ( descrp = $true )
    & ( setextAx = $true )
    & ( upairsetIR = $true )
    & ( emptyinunitempty = $true )
    & ( setadjoinAx = $true )
    & ( nonemptyI1 = $true )
    & ( upairsetIL = $true )
    & ( eqinunit = $true )
    & ( notinsingleton = $true )
    & ( emptysetE = $true )
    & ( powersetI = $true )
    & ( replAx = $true )
    & ( nonemptyE1 = $true )
    & ( setext = $true )
    & ( dsetconstrI = $true )
    & ( wellorderingAx = $true )
    & ( nonemptyI = $true ) ),
    inference(flattening,[status(thm)],[f178]) ).

thf(f178,plain,
    ( ? [X0: $o] :
        ( ( $true = X0 )
        & ( ( in @ emptyset @ ( prop2set @ X0 ) )
         != $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)],[f72]) ).

thf(f72,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 )
                                                                                                                   => ! [X0: $o] :
                                                                                                                        ( ( $true = X0 )
                                                                                                                       => ( ( in @ emptyset @ ( prop2set @ X0 ) )
                                                                                                                          = $true ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f71]) ).

thf(f71,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
                                                                                                                   => ! [X0: $o] :
                                                                                                                        ( X0
                                                                                                                       => ( in @ emptyset @ ( prop2set @ X0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f61]) ).

thf(f61,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
                                                                                                                   => ! [X0: $o] :
                                                                                                                        ( X0
                                                                                                                       => ( in @ emptyset @ ( prop2set @ X0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f60]) ).

thf(f60,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
                                                                                                                 => ! [X0: $o] :
                                                                                                                      ( X0
                                                                                                                     => ( in @ emptyset @ ( prop2set @ X0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2THF_32072.p',prop2setI) ).

thf(f254,plain,
    ( emptyinPowerset
    = ( !! @ $i
      @ ^ [Y0: $i] : ( in @ emptyset @ ( powerset @ Y0 ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f82]) ).

thf(f82,plain,
    ( emptyinPowerset
    = ( !! @ $i
      @ ^ [Y0: $i] : ( in @ emptyset @ ( powerset @ Y0 ) ) ) ),
    inference(fool_elimination,[status(thm)],[f81]) ).

thf(f81,plain,
    ( emptyinPowerset
    = ( ! [X0: $i] : ( in @ emptyset @ ( powerset @ X0 ) ) ) ),
    inference(rectify,[status(thm)],[f39]) ).

thf(f39,axiom,
    ( emptyinPowerset
    = ( ! [X3: $i] : ( in @ emptyset @ ( powerset @ X3 ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2THF_32072.p',emptyinPowerset) ).

thf(f1388,plain,
    ( $true
   != ( in @ emptyset @ ( powerset @ emptyset ) ) ),
    inference(superposition,[status(thm)],[f930,f718]) ).

thf(f718,plain,
    ! [X1: $i] :
      ( ( dsetconstr @ X1
        @ ^ [Y0: $i] : $true )
      = X1 ),
    inference(equality_proxy_clausification,[status(thm)],[f717]) ).

thf(f717,plain,
    ! [X1: $i] :
      ( $true
      = ( X1
        = ( dsetconstr @ X1
          @ ^ [Y0: $i] : $true ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f716]) ).

thf(f716,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( Y0
            = ( dsetconstr @ Y0
              @ ^ [Y1: $i] : $true ) )
        @ X1 ) ),
    inference(pi_clausification,[status(thm)],[f350]) ).

thf(f350,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( Y0
          = ( dsetconstr @ Y0
            @ ^ [Y1: $i] : $true ) ) ) ),
    inference(definition_unfolding,[status(thm)],[f291,f217]) ).

thf(f217,plain,
    setoftrueEq = $true,
    inference(cnf_transformation,[status(thm)],[f181]) ).

thf(f291,plain,
    ( setoftrueEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( Y0
          = ( dsetconstr @ Y0
            @ ^ [Y1: $i] : $true ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f171]) ).

thf(f171,plain,
    ( setoftrueEq
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( Y0
          = ( dsetconstr @ Y0
            @ ^ [Y1: $i] : $true ) ) ) ),
    inference(fool_elimination,[status(thm)],[f170]) ).

thf(f170,plain,
    ( setoftrueEq
    = ( ! [X0: $i] :
          ( X0
          = ( dsetconstr @ X0
            @ ^ [X1: $i] : $true ) ) ) ),
    inference(rectify,[status(thm)],[f37]) ).

thf(f37,axiom,
    ( setoftrueEq
    = ( ! [X3: $i] :
          ( X3
          = ( dsetconstr @ X3
            @ ^ [X1: $i] : $true ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2THF_32072.p',setoftrueEq) ).

thf(f930,plain,
    ( $true
   != ( in @ emptyset
      @ ( dsetconstr @ ( powerset @ emptyset )
        @ ^ [Y0: $i] : $true ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f300]) ).

thf(f300,plain,
    ( $true
   != ( in @ emptyset
      @ ( ^ [Y0: $o] :
            ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [Y1: $i] : Y0 )
        @ $true ) ) ),
    inference(definition_unfolding,[status(thm)],[f244,f259,f245]) ).

thf(f245,plain,
    $true = sK0,
    inference(cnf_transformation,[status(thm)],[f181]) ).

thf(f259,plain,
    ( prop2set
    = ( ^ [Y0: $o] :
          ( dsetconstr @ ( powerset @ emptyset )
          @ ^ [Y1: $i] : Y0 ) ) ),
    inference(cnf_transformation,[status(thm)],[f87]) ).

thf(f87,plain,
    ( prop2set
    = ( ^ [Y0: $o] :
          ( dsetconstr @ ( powerset @ emptyset )
          @ ^ [Y1: $i] : Y0 ) ) ),
    inference(fool_elimination,[status(thm)],[f18]) ).

thf(f18,axiom,
    ( prop2set
    = ( ^ [X0: $o] :
          ( dsetconstr @ ( powerset @ emptyset )
          @ ^ [X1: $i] : X0 ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2THF_32072.p',prop2set) ).

thf(f244,plain,
    ( $true
   != ( in @ emptyset @ ( prop2set @ sK0 ) ) ),
    inference(cnf_transformation,[status(thm)],[f181]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : SEU540^1 : TPTP v9.2.1. Released v3.7.0.
% 0.00/0.11  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.14/0.31  % Computer : n019.cluster.edu
% 0.14/0.31  % Model    : x86_64 x86_64
% 0.14/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.31  % Memory   : 8042.1875MB
% 0.14/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.31  % CPULimit : 300
% 0.14/0.31  % WCLimit  : 300
% 0.14/0.31  % DateTime : Tue Feb 24 12:26:09 EST 2026
% 0.14/0.31  % CPUTime  : 
% 0.14/0.31  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.16/0.44  ---- Original DTF file ---
% 0.16/0.44  thf(spec,logic,$$dhol).
% 0.16/0.44  %------------------------------------------------------------------------------
% 0.16/0.44  % File     : SEU540^1 : TPTP v9.2.1. Released v3.7.0.
% 0.16/0.44  % Domain   : Set Theory
% 0.16/0.44  % Problem  : Preliminary Notions - Dependent Connective Laws
% 0.16/0.44  % Version  : Especial.
% 0.16/0.44  % English  : (! phi:o.phi -> in emptyset (prop2set phi))
% 0.16/0.44  
% 0.16/0.44  % Refs     : [Bro08] Brown (2008), Email to G. Sutcliffe
% 0.16/0.44  % Source   : [Bro08]
% 0.16/0.44  % Names    : ZFC042g [Bro08]
% 0.16/0.44  
% 0.16/0.44  % Status   : Theorem
% 0.16/0.44  % Rating   : 0.11 v9.1.0, 0.12 v9.0.0, 0.30 v8.2.0, 0.23 v8.1.0, 0.09 v7.5.0, 0.14 v7.4.0, 0.22 v7.2.0, 0.12 v7.1.0, 0.38 v7.0.0, 0.29 v6.4.0, 0.33 v6.3.0, 0.40 v6.2.0, 0.43 v5.5.0, 0.50 v5.4.0, 0.60 v4.1.0, 1.00 v3.7.0
% 0.16/0.44  % Syntax   : Number of formulae    :  127 (  59 unt;  67 typ;  59 def)
% 0.16/0.44  %            Number of atoms       :  321 (  78 equ;   0 cnn)
% 0.16/0.44  %            Maximal formula atoms :   57 (   5 avg)
% 0.16/0.44  %            Number of connectives :  536 (  17   ~;   5   |;  24   &; 345   @)
% 0.16/0.44  %                                         (   8 <=>; 137  =>;   0  <=;   0 <~>)
% 0.16/0.44  %            Maximal formula depth :   61 (   2 avg)
% 0.16/0.44  %            Number of types       :    2 (   0 usr)
% 0.16/0.44  %            Number of type conns  :   33 (  33   >;   0   *;   0   +;   0  <<)
% 0.16/0.44  %            Number of symbols     :   70 (  67 usr;  60 con; 0-2 aty)
% 0.16/0.44  %            Number of variables   :  176 (  17   ^; 136   !;  23   ?; 176   :)
% 0.16/0.44  % SPC      : TH0_THM_EQU_NAR
% 0.16/0.44  
% 0.16/0.44  % Comments : http://mathgate.info/detsetitem.php?id=101
% 0.16/0.44  %------------------------------------------------------------------------------
% 0.16/0.44  thf(in_type,type,
% 0.16/0.44      in: $i > $i > $o ).
% 0.16/0.44  
% 0.16/0.44  thf(exu_type,type,
% 0.16/0.44      exu: ( $i > $o ) > $o ).
% 0.16/0.44  
% 0.16/0.44  thf(exu,definition,
% 0.16/0.44      ( exu
% 0.16/0.44      = ( ^ [Xphi: $i > $o] :
% 0.16/0.44          ? [Xx: $i] :
% 0.16/0.44            ( ( Xphi @ Xx )
% 0.16/0.44            & ! [Xy: $i] :
% 0.16/0.44                ( ( Xphi @ Xy )
% 0.16/0.44               => ( Xx = Xy ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setextAx_type,type,
% 0.16/0.44      setextAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setextAx,definition,
% 0.16/0.44      ( setextAx
% 0.16/0.44      = ( ! [A: $i,B: $i] :
% 0.16/0.44            ( ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44              <=> ( in @ Xx @ B ) )
% 0.16/0.44           => ( A = B ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyset_type,type,
% 0.16/0.44      emptyset: $i ).
% 0.16/0.44  
% 0.16/0.44  thf(emptysetAx_type,type,
% 0.16/0.44      emptysetAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(emptysetAx,definition,
% 0.16/0.44      ( emptysetAx
% 0.16/0.44      = ( ! [Xx: $i] :
% 0.16/0.44            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoin_type,type,
% 0.16/0.44      setadjoin: $i > $i > $i ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinAx_type,type,
% 0.16/0.44      setadjoinAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinAx,definition,
% 0.16/0.44      ( setadjoinAx
% 0.16/0.44      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.16/0.44            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.16/0.44          <=> ( ( Xy = Xx )
% 0.16/0.44              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(powerset_type,type,
% 0.16/0.44      powerset: $i > $i ).
% 0.16/0.44  
% 0.16/0.44  thf(powersetAx_type,type,
% 0.16/0.44      powersetAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(powersetAx,definition,
% 0.16/0.44      ( powersetAx
% 0.16/0.44      = ( ! [A: $i,B: $i] :
% 0.16/0.44            ( ( in @ B @ ( powerset @ A ) )
% 0.16/0.44          <=> ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ B )
% 0.16/0.44               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setunion_type,type,
% 0.16/0.44      setunion: $i > $i ).
% 0.16/0.44  
% 0.16/0.44  thf(setunionAx_type,type,
% 0.16/0.44      setunionAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setunionAx,definition,
% 0.16/0.44      ( setunionAx
% 0.16/0.44      = ( ! [A: $i,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ ( setunion @ A ) )
% 0.16/0.44          <=> ? [B: $i] :
% 0.16/0.44                ( ( in @ Xx @ B )
% 0.16/0.44                & ( in @ B @ A ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(omega_type,type,
% 0.16/0.44      omega: $i ).
% 0.16/0.44  
% 0.16/0.44  thf(omega0Ax_type,type,
% 0.16/0.44      omega0Ax: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(omega0Ax,definition,
% 0.16/0.44      ( omega0Ax
% 0.16/0.44      = ( in @ emptyset @ omega ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(omegaSAx_type,type,
% 0.16/0.44      omegaSAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(omegaSAx,definition,
% 0.16/0.44      ( omegaSAx
% 0.16/0.44      = ( ! [Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ omega )
% 0.16/0.44           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(omegaIndAx_type,type,
% 0.16/0.44      omegaIndAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(omegaIndAx,definition,
% 0.16/0.44      ( omegaIndAx
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44            ( ( ( in @ emptyset @ A )
% 0.16/0.44              & ! [Xx: $i] :
% 0.16/0.44                  ( ( ( in @ Xx @ omega )
% 0.16/0.44                    & ( in @ Xx @ A ) )
% 0.16/0.44                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 0.16/0.44           => ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ omega )
% 0.16/0.44               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(replAx_type,type,
% 0.16/0.44      replAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(replAx,definition,
% 0.16/0.44      ( replAx
% 0.16/0.44      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 0.16/0.44            ( ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44               => ( exu
% 0.16/0.44                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 0.16/0.44           => ? [B: $i] :
% 0.16/0.44              ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ B )
% 0.16/0.44              <=> ? [Xy: $i] :
% 0.16/0.44                    ( ( in @ Xy @ A )
% 0.16/0.44                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(foundationAx_type,type,
% 0.16/0.44      foundationAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(foundationAx,definition,
% 0.16/0.44      ( foundationAx
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.16/0.44           => ? [B: $i] :
% 0.16/0.44                ( ( in @ B @ A )
% 0.16/0.44                & ~ ? [Xx: $i] :
% 0.16/0.44                      ( ( in @ Xx @ B )
% 0.16/0.44                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(wellorderingAx_type,type,
% 0.16/0.44      wellorderingAx: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(wellorderingAx,definition,
% 0.16/0.44      ( wellorderingAx
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44          ? [B: $i] :
% 0.16/0.44            ( ! [C: $i] :
% 0.16/0.44                ( ( in @ C @ B )
% 0.16/0.44               => ! [Xx: $i] :
% 0.16/0.44                    ( ( in @ Xx @ C )
% 0.16/0.44                   => ( in @ Xx @ A ) ) )
% 0.16/0.44            & ! [Xx: $i,Xy: $i] :
% 0.16/0.44                ( ( ( in @ Xx @ A )
% 0.16/0.44                  & ( in @ Xy @ A ) )
% 0.16/0.44               => ( ! [C: $i] :
% 0.16/0.44                      ( ( in @ C @ B )
% 0.16/0.44                     => ( ( in @ Xx @ C )
% 0.16/0.44                      <=> ( in @ Xy @ C ) ) )
% 0.16/0.44                 => ( Xx = Xy ) ) )
% 0.16/0.44            & ! [C: $i,D: $i] :
% 0.16/0.44                ( ( ( in @ C @ B )
% 0.16/0.44                  & ( in @ D @ B ) )
% 0.16/0.44               => ( ! [Xx: $i] :
% 0.16/0.44                      ( ( in @ Xx @ C )
% 0.16/0.44                     => ( in @ Xx @ D ) )
% 0.16/0.44                  | ! [Xx: $i] :
% 0.16/0.44                      ( ( in @ Xx @ D )
% 0.16/0.44                     => ( in @ Xx @ C ) ) ) )
% 0.16/0.44            & ! [C: $i] :
% 0.16/0.44                ( ( ! [Xx: $i] :
% 0.16/0.44                      ( ( in @ Xx @ C )
% 0.16/0.44                     => ( in @ Xx @ A ) )
% 0.16/0.44                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 0.16/0.44               => ? [D: $i,Xx: $i] :
% 0.16/0.44                    ( ( in @ D @ B )
% 0.16/0.44                    & ( in @ Xx @ C )
% 0.16/0.44                    & ~ ? [Xy: $i] :
% 0.16/0.44                          ( ( in @ Xy @ D )
% 0.16/0.44                          & ( in @ Xy @ C ) )
% 0.16/0.44                    & ! [E: $i] :
% 0.16/0.44                        ( ( in @ E @ B )
% 0.16/0.44                       => ( ! [Xy: $i] :
% 0.16/0.44                              ( ( in @ Xy @ E )
% 0.16/0.44                             => ( in @ Xy @ D ) )
% 0.16/0.44                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(descr_type,type,
% 0.16/0.44      descr: ( $i > $o ) > $i ).
% 0.16/0.44  
% 0.16/0.44  thf(descrp_type,type,
% 0.16/0.44      descrp: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(descrp,definition,
% 0.16/0.44      ( descrp
% 0.16/0.44      = ( ! [Xphi: $i > $o] :
% 0.16/0.44            ( ( exu
% 0.16/0.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.16/0.44           => ( Xphi
% 0.16/0.44              @ ( descr
% 0.16/0.44                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(dsetconstr_type,type,
% 0.16/0.44      dsetconstr: $i > ( $i > $o ) > $i ).
% 0.16/0.44  
% 0.16/0.44  thf(dsetconstrI_type,type,
% 0.16/0.44      dsetconstrI: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(dsetconstrI,definition,
% 0.16/0.44      ( dsetconstrI
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ A )
% 0.16/0.44           => ( ( Xphi @ Xx )
% 0.16/0.44             => ( in @ Xx
% 0.16/0.44                @ ( dsetconstr @ A
% 0.16/0.44                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(dsetconstrEL_type,type,
% 0.16/0.44      dsetconstrEL: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(dsetconstrEL,definition,
% 0.16/0.44      ( dsetconstrEL
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx
% 0.16/0.44              @ ( dsetconstr @ A
% 0.16/0.44                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.16/0.44           => ( in @ Xx @ A ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(dsetconstrER_type,type,
% 0.16/0.44      dsetconstrER: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(dsetconstrER,definition,
% 0.16/0.44      ( dsetconstrER
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx
% 0.16/0.44              @ ( dsetconstr @ A
% 0.16/0.44                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.16/0.44           => ( Xphi @ Xx ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(exuE1_type,type,
% 0.16/0.44      exuE1: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(exuE1,definition,
% 0.16/0.44      ( exuE1
% 0.16/0.44      = ( ! [Xphi: $i > $o] :
% 0.16/0.44            ( ( exu
% 0.16/0.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.16/0.44           => ? [Xx: $i] :
% 0.16/0.44                ( ( Xphi @ Xx )
% 0.16/0.44                & ! [Xy: $i] :
% 0.16/0.44                    ( ( Xphi @ Xy )
% 0.16/0.44                   => ( Xx = Xy ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(prop2set_type,type,
% 0.16/0.44      prop2set: $o > $i ).
% 0.16/0.44  
% 0.16/0.44  thf(prop2set,definition,
% 0.16/0.44      ( prop2set
% 0.16/0.44      = ( ^ [Xphi: $o] :
% 0.16/0.44            ( dsetconstr @ ( powerset @ emptyset )
% 0.16/0.44            @ ^ [Xx: $i] : Xphi ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(prop2setE_type,type,
% 0.16/0.44      prop2setE: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(prop2setE,definition,
% 0.16/0.44      ( prop2setE
% 0.16/0.44      = ( ! [Xphi: $o,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 0.16/0.44           => Xphi ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(emptysetE_type,type,
% 0.16/0.44      emptysetE: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(emptysetE,definition,
% 0.16/0.44      ( emptysetE
% 0.16/0.44      = ( ! [Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ emptyset )
% 0.16/0.44           => ! [Xphi: $o] : Xphi ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(emptysetimpfalse_type,type,
% 0.16/0.44      emptysetimpfalse: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(emptysetimpfalse,definition,
% 0.16/0.44      ( emptysetimpfalse
% 0.16/0.44      = ( ! [Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ emptyset )
% 0.16/0.44           => $false ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(notinemptyset_type,type,
% 0.16/0.44      notinemptyset: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(notinemptyset,definition,
% 0.16/0.44      ( notinemptyset
% 0.16/0.44      = ( ! [Xx: $i] :
% 0.16/0.44            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(exuE3e_type,type,
% 0.16/0.44      exuE3e: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(exuE3e,definition,
% 0.16/0.44      ( exuE3e
% 0.16/0.44      = ( ! [Xphi: $i > $o] :
% 0.16/0.44            ( ( exu
% 0.16/0.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.16/0.44           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setext_type,type,
% 0.16/0.44      setext: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setext,definition,
% 0.16/0.44      ( setext
% 0.16/0.44      = ( ! [A: $i,B: $i] :
% 0.16/0.44            ( ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44               => ( in @ Xx @ B ) )
% 0.16/0.44           => ( ! [Xx: $i] :
% 0.16/0.44                  ( ( in @ Xx @ B )
% 0.16/0.44                 => ( in @ Xx @ A ) )
% 0.16/0.44             => ( A = B ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyI_type,type,
% 0.16/0.44      emptyI: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyI,definition,
% 0.16/0.44      ( emptyI
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44            ( ! [Xx: $i] :
% 0.16/0.44                ~ ( in @ Xx @ A )
% 0.16/0.44           => ( A = emptyset ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(noeltsimpempty_type,type,
% 0.16/0.44      noeltsimpempty: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(noeltsimpempty,definition,
% 0.16/0.44      ( noeltsimpempty
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44            ( ! [Xx: $i] :
% 0.16/0.44                ~ ( in @ Xx @ A )
% 0.16/0.44           => ( A = emptyset ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setbeta_type,type,
% 0.16/0.44      setbeta: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setbeta,definition,
% 0.16/0.44      ( setbeta
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ A )
% 0.16/0.44           => ( ( in @ Xx
% 0.16/0.44                @ ( dsetconstr @ A
% 0.16/0.44                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.16/0.44            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(nonempty_type,type,
% 0.16/0.44      nonempty: $i > $o ).
% 0.16/0.44  
% 0.16/0.44  thf(nonempty,definition,
% 0.16/0.44      ( nonempty
% 0.16/0.44      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(nonemptyE1_type,type,
% 0.16/0.44      nonemptyE1: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(nonemptyE1,definition,
% 0.16/0.44      ( nonemptyE1
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44            ( ( nonempty @ A )
% 0.16/0.44           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(nonemptyI_type,type,
% 0.16/0.44      nonemptyI: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(nonemptyI,definition,
% 0.16/0.44      ( nonemptyI
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ A )
% 0.16/0.44           => ( ( Xphi @ Xx )
% 0.16/0.44             => ( nonempty
% 0.16/0.44                @ ( dsetconstr @ A
% 0.16/0.44                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(nonemptyI1_type,type,
% 0.16/0.44      nonemptyI1: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(nonemptyI1,definition,
% 0.16/0.44      ( nonemptyI1
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.16/0.44           => ( nonempty @ A ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinIL_type,type,
% 0.16/0.44      setadjoinIL: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinIL,definition,
% 0.16/0.44      ( setadjoinIL
% 0.16/0.44      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyinunitempty_type,type,
% 0.16/0.44      emptyinunitempty: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyinunitempty,definition,
% 0.16/0.44      ( emptyinunitempty
% 0.16/0.44      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinIR_type,type,
% 0.16/0.44      setadjoinIR: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinIR,definition,
% 0.16/0.44      ( setadjoinIR
% 0.16/0.44      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.16/0.44            ( ( in @ Xy @ A )
% 0.16/0.44           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinE_type,type,
% 0.16/0.44      setadjoinE: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinE,definition,
% 0.16/0.44      ( setadjoinE
% 0.16/0.44      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.16/0.44            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.16/0.44           => ! [Xphi: $o] :
% 0.16/0.44                ( ( ( Xy = Xx )
% 0.16/0.44                 => Xphi )
% 0.16/0.44               => ( ( ( in @ Xy @ A )
% 0.16/0.44                   => Xphi )
% 0.16/0.44                 => Xphi ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinOr_type,type,
% 0.16/0.44      setadjoinOr: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setadjoinOr,definition,
% 0.16/0.44      ( setadjoinOr
% 0.16/0.44      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.16/0.44            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.16/0.44           => ( ( Xy = Xx )
% 0.16/0.44              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setoftrueEq_type,type,
% 0.16/0.44      setoftrueEq: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setoftrueEq,definition,
% 0.16/0.44      ( setoftrueEq
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44            ( ( dsetconstr @ A
% 0.16/0.44              @ ^ [Xx: $i] : $true )
% 0.16/0.44            = A ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(powersetI_type,type,
% 0.16/0.44      powersetI: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(powersetI,definition,
% 0.16/0.44      ( powersetI
% 0.16/0.44      = ( ! [A: $i,B: $i] :
% 0.16/0.44            ( ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ B )
% 0.16/0.44               => ( in @ Xx @ A ) )
% 0.16/0.44           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyinPowerset_type,type,
% 0.16/0.44      emptyinPowerset: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyinPowerset,definition,
% 0.16/0.44      ( emptyinPowerset
% 0.16/0.44      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyInPowerset_type,type,
% 0.16/0.44      emptyInPowerset: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyInPowerset,definition,
% 0.16/0.44      ( emptyInPowerset
% 0.16/0.44      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(powersetE_type,type,
% 0.16/0.44      powersetE: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(powersetE,definition,
% 0.16/0.44      ( powersetE
% 0.16/0.44      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.16/0.44            ( ( in @ B @ ( powerset @ A ) )
% 0.16/0.44           => ( ( in @ Xx @ B )
% 0.16/0.44             => ( in @ Xx @ A ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setunionI_type,type,
% 0.16/0.44      setunionI: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setunionI,definition,
% 0.16/0.44      ( setunionI
% 0.16/0.44      = ( ! [A: $i,Xx: $i,B: $i] :
% 0.16/0.44            ( ( in @ Xx @ B )
% 0.16/0.44           => ( ( in @ B @ A )
% 0.16/0.44             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(setunionE_type,type,
% 0.16/0.44      setunionE: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(setunionE,definition,
% 0.16/0.44      ( setunionE
% 0.16/0.44      = ( ! [A: $i,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ ( setunion @ A ) )
% 0.16/0.44           => ! [Xphi: $o] :
% 0.16/0.44                ( ! [B: $i] :
% 0.16/0.44                    ( ( in @ Xx @ B )
% 0.16/0.44                   => ( ( in @ B @ A )
% 0.16/0.44                     => Xphi ) )
% 0.16/0.44               => Xphi ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(subPowSU_type,type,
% 0.16/0.44      subPowSU: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(subPowSU,definition,
% 0.16/0.44      ( subPowSU
% 0.16/0.44      = ( ! [A: $i,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ A )
% 0.16/0.44           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(exuE2_type,type,
% 0.16/0.44      exuE2: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(exuE2,definition,
% 0.16/0.44      ( exuE2
% 0.16/0.44      = ( ! [Xphi: $i > $o] :
% 0.16/0.44            ( ( exu
% 0.16/0.44              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.16/0.44           => ? [Xx: $i] :
% 0.16/0.44              ! [Xy: $i] :
% 0.16/0.44                ( ( Xphi @ Xy )
% 0.16/0.44              <=> ( Xy = Xx ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(nonemptyImpWitness_type,type,
% 0.16/0.44      nonemptyImpWitness: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(nonemptyImpWitness,definition,
% 0.16/0.44      ( nonemptyImpWitness
% 0.16/0.44      = ( ! [A: $i] :
% 0.16/0.44            ( ( nonempty @ A )
% 0.16/0.44           => ? [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44                & $true ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(uniqinunit_type,type,
% 0.16/0.44      uniqinunit: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(uniqinunit,definition,
% 0.16/0.44      ( uniqinunit
% 0.16/0.44      = ( ! [Xx: $i,Xy: $i] :
% 0.16/0.44            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.16/0.44           => ( Xx = Xy ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(notinsingleton_type,type,
% 0.16/0.44      notinsingleton: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(notinsingleton,definition,
% 0.16/0.44      ( notinsingleton
% 0.16/0.44      = ( ! [Xx: $i,Xy: $i] :
% 0.16/0.44            ( ( Xx != Xy )
% 0.16/0.44           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(eqinunit_type,type,
% 0.16/0.44      eqinunit: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(eqinunit,definition,
% 0.16/0.44      ( eqinunit
% 0.16/0.44      = ( ! [Xx: $i,Xy: $i] :
% 0.16/0.44            ( ( Xx = Xy )
% 0.16/0.44           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(singletonsswitch_type,type,
% 0.16/0.44      singletonsswitch: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(singletonsswitch,definition,
% 0.16/0.44      ( singletonsswitch
% 0.16/0.44      = ( ! [Xx: $i,Xy: $i] :
% 0.16/0.44            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.16/0.44           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(upairsetE_type,type,
% 0.16/0.44      upairsetE: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(upairsetE,definition,
% 0.16/0.44      ( upairsetE
% 0.16/0.44      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 0.16/0.44            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 0.16/0.44           => ( ( Xz = Xx )
% 0.16/0.44              | ( Xz = Xy ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(upairsetIL_type,type,
% 0.16/0.44      upairsetIL: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(upairsetIL,definition,
% 0.16/0.44      ( upairsetIL
% 0.16/0.44      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(upairsetIR_type,type,
% 0.16/0.44      upairsetIR: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(upairsetIR,definition,
% 0.16/0.44      ( upairsetIR
% 0.16/0.44      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyE1_type,type,
% 0.16/0.44      emptyE1: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(emptyE1,definition,
% 0.16/0.44      ( emptyE1
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o] :
% 0.16/0.44            ( ? [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44                & ( Xphi @ Xx ) )
% 0.16/0.44           => ( ( ( dsetconstr @ A
% 0.16/0.44                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.16/0.44                = emptyset )
% 0.16/0.44             => $false ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(vacuousDall_type,type,
% 0.16/0.44      vacuousDall: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(vacuousDall,definition,
% 0.16/0.44      ( vacuousDall
% 0.16/0.44      = ( ! [Xphi: $i > $o,Xx: $i] :
% 0.16/0.44            ( ( in @ Xx @ emptyset )
% 0.16/0.44           => ( Xphi @ Xx ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(quantDeMorgan1_type,type,
% 0.16/0.44      quantDeMorgan1: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(quantDeMorgan1,definition,
% 0.16/0.44      ( quantDeMorgan1
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o] :
% 0.16/0.44            ( ~ ! [Xx: $i] :
% 0.16/0.44                  ( ( in @ Xx @ A )
% 0.16/0.44                 => ( Xphi @ Xx ) )
% 0.16/0.44           => ? [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(quantDeMorgan2_type,type,
% 0.16/0.44      quantDeMorgan2: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(quantDeMorgan2,definition,
% 0.16/0.44      ( quantDeMorgan2
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o] :
% 0.16/0.44            ( ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44               => ~ ( Xphi @ Xx ) )
% 0.16/0.44           => ~ ? [Xx: $i] :
% 0.16/0.44                  ( ( in @ Xx @ A )
% 0.16/0.44                  & ( Xphi @ Xx ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(quantDeMorgan3_type,type,
% 0.16/0.44      quantDeMorgan3: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(quantDeMorgan3,definition,
% 0.16/0.44      ( quantDeMorgan3
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o] :
% 0.16/0.44            ( ~ ? [Xx: $i] :
% 0.16/0.44                  ( ( in @ Xx @ A )
% 0.16/0.44                  & ( Xphi @ Xx ) )
% 0.16/0.44           => ! [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(quantDeMorgan4_type,type,
% 0.16/0.44      quantDeMorgan4: $o ).
% 0.16/0.44  
% 0.16/0.44  thf(quantDeMorgan4,definition,
% 0.16/0.44      ( quantDeMorgan4
% 0.16/0.44      = ( ! [A: $i,Xphi: $i > $o] :
% 0.16/0.44            ( ? [Xx: $i] :
% 0.16/0.44                ( ( in @ Xx @ A )
% 0.16/0.44                & ~ ( Xphi @ Xx ) )
% 0.16/0.44           => ~ ! [Xx: $i] :
% 0.16/0.44                  ( ( in @ Xx @ A )
% 0.16/0.44                 => ( Xphi @ Xx ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  thf(prop2setI,conjecture,
% 0.16/0.44      ( setextAx
% 0.16/0.44     => ( emptysetAx
% 0.16/0.44       => ( setadjoinAx
% 0.16/0.44         => ( powersetAx
% 0.16/0.44           => ( setunionAx
% 0.16/0.44             => ( omega0Ax
% 0.16/0.44               => ( omegaSAx
% 0.16/0.44                 => ( omegaIndAx
% 0.16/0.44                   => ( replAx
% 0.16/0.44                     => ( foundationAx
% 0.16/0.44                       => ( wellorderingAx
% 0.16/0.44                         => ( descrp
% 0.16/0.44                           => ( dsetconstrI
% 0.16/0.44                             => ( dsetconstrEL
% 0.16/0.44                               => ( dsetconstrER
% 0.16/0.44                                 => ( exuE1
% 0.16/0.44                                   => ( prop2setE
% 0.16/0.44                                     => ( emptysetE
% 0.16/0.44                                       => ( emptysetimpfalse
% 0.16/0.44                                         => ( notinemptyset
% 0.16/0.44                                           => ( exuE3e
% 0.16/0.44                                             => ( setext
% 0.16/0.44                                               => ( emptyI
% 0.16/0.44                                                 => ( noeltsimpempty
% 0.16/0.44                                                   => ( setbeta
% 0.16/0.44                                                     => ( nonemptyE1
% 0.16/0.44                                                       => ( nonemptyI
% 0.16/0.44                                                         => ( nonemptyI1
% 0.16/0.44                                                           => ( setadjoinIL
% 0.16/0.44                                                             => ( emptyinunitempty
% 0.16/0.44                                                               => ( setadjoinIR
% 0.16/0.44                                                                 => ( setadjoinE
% 0.16/0.44                                                                   => ( setadjoinOr
% 0.16/0.44                                                                     => ( setoftrueEq
% 0.16/0.44                                                                       => ( powersetI
% 0.16/0.44                                                                         => ( emptyinPowerset
% 0.16/0.44                                                                           => ( emptyInPowerset
% 0.16/0.44                                                                             => ( powersetE
% 0.16/0.44                                                                               => ( setunionI
% 0.16/0.44                                                                                 => ( setunionE
% 0.16/0.44                                                                                   => ( subPowSU
% 0.16/0.44                                                                                     => ( exuE2
% 0.16/0.44                                                                                       => ( nonemptyImpWitness
% 0.16/0.44                                                                                         => ( uniqinunit
% 0.16/0.44                                                                                           => ( notinsingleton
% 0.16/0.44                                                                                             => ( eqinunit
% 0.16/0.44                                                                                               => ( singletonsswitch
% 0.16/0.44                                                                                                 => ( upairsetE
% 0.16/0.44                                                                                                   => ( upairsetIL
% 0.16/0.44                                                                                                     => ( upairsetIR
% 0.16/0.44                                                                                                       => ( emptyE1
% 0.16/0.44                                                                                                         => ( vacuousDall
% 0.16/0.44                                                                                                           => ( quantDeMorgan1
% 0.16/0.44                                                                                                             => ( quantDeMorgan2
% 0.16/0.44                                                                                                               => ( quantDeMorgan3
% 0.16/0.44                                                                                                                 => ( quantDeMorgan4
% 0.16/0.44                                                                                                                   => ! [Xphi: $o] :
% 0.16/0.44                                                                                                                        ( Xphi
% 0.16/0.44                                                                                                                       => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 0.16/0.44  
% 0.16/0.44  %------------------------------------------------------------------------------
% 0.16/0.44  ------------------------
% 2.04/1.56  ---- Embedded in THF ---
% 2.04/1.56  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 2.04/1.56  %%% Generated on Tue Feb 24 12:26:10 EST 2026
% 2.04/1.56  %%% using '$$dhol' embedding, version 1.3.0.
% 2.04/1.56  %%% Logic specification used:
% 2.04/1.56  %%% thf(spec, logic, $$dhol).
% 2.04/1.56  
% 2.04/1.56  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2DTF32072.p
% See solution above
% 2.04/1.56  ------------------------
% 2.04/1.57  ---- Cleaned THF ---
% 2.04/1.57  thf(in_type,type,
% 2.04/1.57      in: $i > $i > $o ).
% 2.04/1.57  
% 2.04/1.57  thf(exu_type,type,
% 2.04/1.57      exu: ( $i > $o ) > $o ).
% 2.04/1.57  
% 2.04/1.57  thf(exu,definition,
% 2.04/1.57      ( exu
% 2.04/1.57      = ( ^ [Xphi: $i > $o] :
% 2.04/1.57          ? [Xx: $i] :
% 2.04/1.57            ( ( Xphi @ Xx )
% 2.04/1.57            & ! [Xy: $i] :
% 2.04/1.57                ( ( Xphi @ Xy )
% 2.04/1.57               => ( Xx = Xy ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setextAx_type,type,
% 2.04/1.57      setextAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setextAx,definition,
% 2.04/1.57      ( setextAx
% 2.04/1.57      = ( ! [A: $i,B: $i] :
% 2.04/1.57            ( ! [Xx: $i] :
% 2.04/1.57                ( ( in @ Xx @ A )
% 2.04/1.57              <=> ( in @ Xx @ B ) )
% 2.04/1.57           => ( A = B ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyset_type,type,
% 2.04/1.57      emptyset: $i ).
% 2.04/1.57  
% 2.04/1.57  thf(emptysetAx_type,type,
% 2.04/1.57      emptysetAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(emptysetAx,definition,
% 2.04/1.57      ( emptysetAx
% 2.04/1.57      = ( ! [Xx: $i] :
% 2.04/1.57            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoin_type,type,
% 2.04/1.57      setadjoin: $i > $i > $i ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinAx_type,type,
% 2.04/1.57      setadjoinAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinAx,definition,
% 2.04/1.57      ( setadjoinAx
% 2.04/1.57      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.04/1.57            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.04/1.57          <=> ( ( Xy = Xx )
% 2.04/1.57              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(powerset_type,type,
% 2.04/1.57      powerset: $i > $i ).
% 2.04/1.57  
% 2.04/1.57  thf(powersetAx_type,type,
% 2.04/1.57      powersetAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(powersetAx,definition,
% 2.04/1.57      ( powersetAx
% 2.04/1.57      = ( ! [A: $i,B: $i] :
% 2.04/1.57            ( ( in @ B @ ( powerset @ A ) )
% 2.04/1.57          <=> ! [Xx: $i] :
% 2.04/1.57                ( ( in @ Xx @ B )
% 2.04/1.57               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setunion_type,type,
% 2.04/1.57      setunion: $i > $i ).
% 2.04/1.57  
% 2.04/1.57  thf(setunionAx_type,type,
% 2.04/1.57      setunionAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setunionAx,definition,
% 2.04/1.57      ( setunionAx
% 2.04/1.57      = ( ! [A: $i,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ ( setunion @ A ) )
% 2.04/1.57          <=> ? [B: $i] :
% 2.04/1.57                ( ( in @ Xx @ B )
% 2.04/1.57                & ( in @ B @ A ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(omega_type,type,
% 2.04/1.57      omega: $i ).
% 2.04/1.57  
% 2.04/1.57  thf(omega0Ax_type,type,
% 2.04/1.57      omega0Ax: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(omega0Ax,definition,
% 2.04/1.57      ( omega0Ax
% 2.04/1.57      = ( in @ emptyset @ omega ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(omegaSAx_type,type,
% 2.04/1.57      omegaSAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(omegaSAx,definition,
% 2.04/1.57      ( omegaSAx
% 2.04/1.57      = ( ! [Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ omega )
% 2.04/1.57           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(omegaIndAx_type,type,
% 2.04/1.57      omegaIndAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(omegaIndAx,definition,
% 2.04/1.57      ( omegaIndAx
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57            ( ( ( in @ emptyset @ A )
% 2.04/1.57              & ! [Xx: $i] :
% 2.04/1.57                  ( ( ( in @ Xx @ omega )
% 2.04/1.57                    & ( in @ Xx @ A ) )
% 2.04/1.57                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 2.04/1.57           => ! [Xx: $i] :
% 2.04/1.57                ( ( in @ Xx @ omega )
% 2.04/1.57               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(replAx_type,type,
% 2.04/1.57      replAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(replAx,definition,
% 2.04/1.57      ( replAx
% 2.04/1.57      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 2.04/1.57            ( ! [Xx: $i] :
% 2.04/1.57                ( ( in @ Xx @ A )
% 2.04/1.57               => ( exu
% 2.04/1.57                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 2.04/1.57           => ? [B: $i] :
% 2.04/1.57              ! [Xx: $i] :
% 2.04/1.57                ( ( in @ Xx @ B )
% 2.04/1.57              <=> ? [Xy: $i] :
% 2.04/1.57                    ( ( in @ Xy @ A )
% 2.04/1.57                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(foundationAx_type,type,
% 2.04/1.57      foundationAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(foundationAx,definition,
% 2.04/1.57      ( foundationAx
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.04/1.57           => ? [B: $i] :
% 2.04/1.57                ( ( in @ B @ A )
% 2.04/1.57                & ~ ? [Xx: $i] :
% 2.04/1.57                      ( ( in @ Xx @ B )
% 2.04/1.57                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(wellorderingAx_type,type,
% 2.04/1.57      wellorderingAx: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(wellorderingAx,definition,
% 2.04/1.57      ( wellorderingAx
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57          ? [B: $i] :
% 2.04/1.57            ( ! [C: $i] :
% 2.04/1.57                ( ( in @ C @ B )
% 2.04/1.57               => ! [Xx: $i] :
% 2.04/1.57                    ( ( in @ Xx @ C )
% 2.04/1.57                   => ( in @ Xx @ A ) ) )
% 2.04/1.57            & ! [Xx: $i,Xy: $i] :
% 2.04/1.57                ( ( ( in @ Xx @ A )
% 2.04/1.57                  & ( in @ Xy @ A ) )
% 2.04/1.57               => ( ! [C: $i] :
% 2.04/1.57                      ( ( in @ C @ B )
% 2.04/1.57                     => ( ( in @ Xx @ C )
% 2.04/1.57                      <=> ( in @ Xy @ C ) ) )
% 2.04/1.57                 => ( Xx = Xy ) ) )
% 2.04/1.57            & ! [C: $i,D: $i] :
% 2.04/1.57                ( ( ( in @ C @ B )
% 2.04/1.57                  & ( in @ D @ B ) )
% 2.04/1.57               => ( ! [Xx: $i] :
% 2.04/1.57                      ( ( in @ Xx @ C )
% 2.04/1.57                     => ( in @ Xx @ D ) )
% 2.04/1.57                  | ! [Xx: $i] :
% 2.04/1.57                      ( ( in @ Xx @ D )
% 2.04/1.57                     => ( in @ Xx @ C ) ) ) )
% 2.04/1.57            & ! [C: $i] :
% 2.04/1.57                ( ( ! [Xx: $i] :
% 2.04/1.57                      ( ( in @ Xx @ C )
% 2.04/1.57                     => ( in @ Xx @ A ) )
% 2.04/1.57                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 2.04/1.57               => ? [D: $i,Xx: $i] :
% 2.04/1.57                    ( ( in @ D @ B )
% 2.04/1.57                    & ( in @ Xx @ C )
% 2.04/1.57                    & ~ ? [Xy: $i] :
% 2.04/1.57                          ( ( in @ Xy @ D )
% 2.04/1.57                          & ( in @ Xy @ C ) )
% 2.04/1.57                    & ! [E: $i] :
% 2.04/1.57                        ( ( in @ E @ B )
% 2.04/1.57                       => ( ! [Xy: $i] :
% 2.04/1.57                              ( ( in @ Xy @ E )
% 2.04/1.57                             => ( in @ Xy @ D ) )
% 2.04/1.57                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(descr_type,type,
% 2.04/1.57      descr: ( $i > $o ) > $i ).
% 2.04/1.57  
% 2.04/1.57  thf(descrp_type,type,
% 2.04/1.57      descrp: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(descrp,definition,
% 2.04/1.57      ( descrp
% 2.04/1.57      = ( ! [Xphi: $i > $o] :
% 2.04/1.57            ( ( exu
% 2.04/1.57              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.57           => ( Xphi
% 2.04/1.57              @ ( descr
% 2.04/1.57                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(dsetconstr_type,type,
% 2.04/1.57      dsetconstr: $i > ( $i > $o ) > $i ).
% 2.04/1.57  
% 2.04/1.57  thf(dsetconstrI_type,type,
% 2.04/1.57      dsetconstrI: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(dsetconstrI,definition,
% 2.04/1.57      ( dsetconstrI
% 2.04/1.57      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ A )
% 2.04/1.57           => ( ( Xphi @ Xx )
% 2.04/1.57             => ( in @ Xx
% 2.04/1.57                @ ( dsetconstr @ A
% 2.04/1.57                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(dsetconstrEL_type,type,
% 2.04/1.57      dsetconstrEL: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(dsetconstrEL,definition,
% 2.04/1.57      ( dsetconstrEL
% 2.04/1.57      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx
% 2.04/1.57              @ ( dsetconstr @ A
% 2.04/1.57                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.04/1.57           => ( in @ Xx @ A ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(dsetconstrER_type,type,
% 2.04/1.57      dsetconstrER: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(dsetconstrER,definition,
% 2.04/1.57      ( dsetconstrER
% 2.04/1.57      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx
% 2.04/1.57              @ ( dsetconstr @ A
% 2.04/1.57                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.04/1.57           => ( Xphi @ Xx ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(exuE1_type,type,
% 2.04/1.57      exuE1: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(exuE1,definition,
% 2.04/1.57      ( exuE1
% 2.04/1.57      = ( ! [Xphi: $i > $o] :
% 2.04/1.57            ( ( exu
% 2.04/1.57              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.57           => ? [Xx: $i] :
% 2.04/1.57                ( ( Xphi @ Xx )
% 2.04/1.57                & ! [Xy: $i] :
% 2.04/1.57                    ( ( Xphi @ Xy )
% 2.04/1.57                   => ( Xx = Xy ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(prop2set_type,type,
% 2.04/1.57      prop2set: $o > $i ).
% 2.04/1.57  
% 2.04/1.57  thf(prop2set,definition,
% 2.04/1.57      ( prop2set
% 2.04/1.57      = ( ^ [Xphi: $o] :
% 2.04/1.57            ( dsetconstr @ ( powerset @ emptyset )
% 2.04/1.57            @ ^ [Xx: $i] : Xphi ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(prop2setE_type,type,
% 2.04/1.57      prop2setE: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(prop2setE,definition,
% 2.04/1.57      ( prop2setE
% 2.04/1.57      = ( ! [Xphi: $o,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 2.04/1.57           => Xphi ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(emptysetE_type,type,
% 2.04/1.57      emptysetE: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(emptysetE,definition,
% 2.04/1.57      ( emptysetE
% 2.04/1.57      = ( ! [Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ emptyset )
% 2.04/1.57           => ! [Xphi: $o] : Xphi ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(emptysetimpfalse_type,type,
% 2.04/1.57      emptysetimpfalse: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(emptysetimpfalse,definition,
% 2.04/1.57      ( emptysetimpfalse
% 2.04/1.57      = ( ! [Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ emptyset )
% 2.04/1.57           => $false ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(notinemptyset_type,type,
% 2.04/1.57      notinemptyset: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(notinemptyset,definition,
% 2.04/1.57      ( notinemptyset
% 2.04/1.57      = ( ! [Xx: $i] :
% 2.04/1.57            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(exuE3e_type,type,
% 2.04/1.57      exuE3e: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(exuE3e,definition,
% 2.04/1.57      ( exuE3e
% 2.04/1.57      = ( ! [Xphi: $i > $o] :
% 2.04/1.57            ( ( exu
% 2.04/1.57              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.57           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setext_type,type,
% 2.04/1.57      setext: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setext,definition,
% 2.04/1.57      ( setext
% 2.04/1.57      = ( ! [A: $i,B: $i] :
% 2.04/1.57            ( ! [Xx: $i] :
% 2.04/1.57                ( ( in @ Xx @ A )
% 2.04/1.57               => ( in @ Xx @ B ) )
% 2.04/1.57           => ( ! [Xx: $i] :
% 2.04/1.57                  ( ( in @ Xx @ B )
% 2.04/1.57                 => ( in @ Xx @ A ) )
% 2.04/1.57             => ( A = B ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyI_type,type,
% 2.04/1.57      emptyI: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyI,definition,
% 2.04/1.57      ( emptyI
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57            ( ! [Xx: $i] :
% 2.04/1.57                ~ ( in @ Xx @ A )
% 2.04/1.57           => ( A = emptyset ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(noeltsimpempty_type,type,
% 2.04/1.57      noeltsimpempty: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(noeltsimpempty,definition,
% 2.04/1.57      ( noeltsimpempty
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57            ( ! [Xx: $i] :
% 2.04/1.57                ~ ( in @ Xx @ A )
% 2.04/1.57           => ( A = emptyset ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setbeta_type,type,
% 2.04/1.57      setbeta: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setbeta,definition,
% 2.04/1.57      ( setbeta
% 2.04/1.57      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ A )
% 2.04/1.57           => ( ( in @ Xx
% 2.04/1.57                @ ( dsetconstr @ A
% 2.04/1.57                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.04/1.57            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(nonempty_type,type,
% 2.04/1.57      nonempty: $i > $o ).
% 2.04/1.57  
% 2.04/1.57  thf(nonempty,definition,
% 2.04/1.57      ( nonempty
% 2.04/1.57      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(nonemptyE1_type,type,
% 2.04/1.57      nonemptyE1: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(nonemptyE1,definition,
% 2.04/1.57      ( nonemptyE1
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57            ( ( nonempty @ A )
% 2.04/1.57           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(nonemptyI_type,type,
% 2.04/1.57      nonemptyI: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(nonemptyI,definition,
% 2.04/1.57      ( nonemptyI
% 2.04/1.57      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ A )
% 2.04/1.57           => ( ( Xphi @ Xx )
% 2.04/1.57             => ( nonempty
% 2.04/1.57                @ ( dsetconstr @ A
% 2.04/1.57                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(nonemptyI1_type,type,
% 2.04/1.57      nonemptyI1: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(nonemptyI1,definition,
% 2.04/1.57      ( nonemptyI1
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.04/1.57           => ( nonempty @ A ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinIL_type,type,
% 2.04/1.57      setadjoinIL: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinIL,definition,
% 2.04/1.57      ( setadjoinIL
% 2.04/1.57      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyinunitempty_type,type,
% 2.04/1.57      emptyinunitempty: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyinunitempty,definition,
% 2.04/1.57      ( emptyinunitempty
% 2.04/1.57      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinIR_type,type,
% 2.04/1.57      setadjoinIR: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinIR,definition,
% 2.04/1.57      ( setadjoinIR
% 2.04/1.57      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.04/1.57            ( ( in @ Xy @ A )
% 2.04/1.57           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinE_type,type,
% 2.04/1.57      setadjoinE: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinE,definition,
% 2.04/1.57      ( setadjoinE
% 2.04/1.57      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.04/1.57            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.04/1.57           => ! [Xphi: $o] :
% 2.04/1.57                ( ( ( Xy = Xx )
% 2.04/1.57                 => Xphi )
% 2.04/1.57               => ( ( ( in @ Xy @ A )
% 2.04/1.57                   => Xphi )
% 2.04/1.57                 => Xphi ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinOr_type,type,
% 2.04/1.57      setadjoinOr: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setadjoinOr,definition,
% 2.04/1.57      ( setadjoinOr
% 2.04/1.57      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.04/1.57            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.04/1.57           => ( ( Xy = Xx )
% 2.04/1.57              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setoftrueEq_type,type,
% 2.04/1.57      setoftrueEq: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setoftrueEq,definition,
% 2.04/1.57      ( setoftrueEq
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57            ( ( dsetconstr @ A
% 2.04/1.57              @ ^ [Xx: $i] : $true )
% 2.04/1.57            = A ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(powersetI_type,type,
% 2.04/1.57      powersetI: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(powersetI,definition,
% 2.04/1.57      ( powersetI
% 2.04/1.57      = ( ! [A: $i,B: $i] :
% 2.04/1.57            ( ! [Xx: $i] :
% 2.04/1.57                ( ( in @ Xx @ B )
% 2.04/1.57               => ( in @ Xx @ A ) )
% 2.04/1.57           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyinPowerset_type,type,
% 2.04/1.57      emptyinPowerset: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyinPowerset,definition,
% 2.04/1.57      ( emptyinPowerset
% 2.04/1.57      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyInPowerset_type,type,
% 2.04/1.57      emptyInPowerset: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(emptyInPowerset,definition,
% 2.04/1.57      ( emptyInPowerset
% 2.04/1.57      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(powersetE_type,type,
% 2.04/1.57      powersetE: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(powersetE,definition,
% 2.04/1.57      ( powersetE
% 2.04/1.57      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.04/1.57            ( ( in @ B @ ( powerset @ A ) )
% 2.04/1.57           => ( ( in @ Xx @ B )
% 2.04/1.57             => ( in @ Xx @ A ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setunionI_type,type,
% 2.04/1.57      setunionI: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setunionI,definition,
% 2.04/1.57      ( setunionI
% 2.04/1.57      = ( ! [A: $i,Xx: $i,B: $i] :
% 2.04/1.57            ( ( in @ Xx @ B )
% 2.04/1.57           => ( ( in @ B @ A )
% 2.04/1.57             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(setunionE_type,type,
% 2.04/1.57      setunionE: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(setunionE,definition,
% 2.04/1.57      ( setunionE
% 2.04/1.57      = ( ! [A: $i,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ ( setunion @ A ) )
% 2.04/1.57           => ! [Xphi: $o] :
% 2.04/1.57                ( ! [B: $i] :
% 2.04/1.57                    ( ( in @ Xx @ B )
% 2.04/1.57                   => ( ( in @ B @ A )
% 2.04/1.57                     => Xphi ) )
% 2.04/1.57               => Xphi ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(subPowSU_type,type,
% 2.04/1.57      subPowSU: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(subPowSU,definition,
% 2.04/1.57      ( subPowSU
% 2.04/1.57      = ( ! [A: $i,Xx: $i] :
% 2.04/1.57            ( ( in @ Xx @ A )
% 2.04/1.57           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(exuE2_type,type,
% 2.04/1.57      exuE2: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(exuE2,definition,
% 2.04/1.57      ( exuE2
% 2.04/1.57      = ( ! [Xphi: $i > $o] :
% 2.04/1.57            ( ( exu
% 2.04/1.57              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.57           => ? [Xx: $i] :
% 2.04/1.57              ! [Xy: $i] :
% 2.04/1.57                ( ( Xphi @ Xy )
% 2.04/1.57              <=> ( Xy = Xx ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(nonemptyImpWitness_type,type,
% 2.04/1.57      nonemptyImpWitness: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(nonemptyImpWitness,definition,
% 2.04/1.57      ( nonemptyImpWitness
% 2.04/1.57      = ( ! [A: $i] :
% 2.04/1.57            ( ( nonempty @ A )
% 2.04/1.57           => ? [Xx: $i] :
% 2.04/1.57                ( ( in @ Xx @ A )
% 2.04/1.57                & $true ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(uniqinunit_type,type,
% 2.04/1.57      uniqinunit: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(uniqinunit,definition,
% 2.04/1.57      ( uniqinunit
% 2.04/1.57      = ( ! [Xx: $i,Xy: $i] :
% 2.04/1.57            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.04/1.57           => ( Xx = Xy ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(notinsingleton_type,type,
% 2.04/1.57      notinsingleton: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(notinsingleton,definition,
% 2.04/1.57      ( notinsingleton
% 2.04/1.57      = ( ! [Xx: $i,Xy: $i] :
% 2.04/1.57            ( ( Xx != Xy )
% 2.04/1.57           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(eqinunit_type,type,
% 2.04/1.57      eqinunit: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(eqinunit,definition,
% 2.04/1.57      ( eqinunit
% 2.04/1.57      = ( ! [Xx: $i,Xy: $i] :
% 2.04/1.57            ( ( Xx = Xy )
% 2.04/1.57           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(singletonsswitch_type,type,
% 2.04/1.57      singletonsswitch: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(singletonsswitch,definition,
% 2.04/1.57      ( singletonsswitch
% 2.04/1.57      = ( ! [Xx: $i,Xy: $i] :
% 2.04/1.57            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.04/1.57           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(upairsetE_type,type,
% 2.04/1.57      upairsetE: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(upairsetE,definition,
% 2.04/1.57      ( upairsetE
% 2.04/1.57      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 2.04/1.57            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 2.04/1.57           => ( ( Xz = Xx )
% 2.04/1.57              | ( Xz = Xy ) ) ) ) ) ).
% 2.04/1.57  
% 2.04/1.57  thf(upairsetIL_type,type,
% 2.04/1.57      upairsetIL: $o ).
% 2.04/1.57  
% 2.04/1.57  thf(upairsetIL,definition,
% 2.04/1.57      ( upairsetIL
% 2.04/1.57      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.04/1.58  
% 2.04/1.58  thf(upairsetIR_type,type,
% 2.04/1.58      upairsetIR: $o ).
% 2.04/1.58  
% 2.04/1.58  thf(upairsetIR,definition,
% 2.04/1.58      ( upairsetIR
% 2.04/1.58      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.04/1.58  
% 2.04/1.58  thf(emptyE1_type,type,
% 2.04/1.58      emptyE1: $o ).
% 2.04/1.58  
% 2.04/1.58  thf(emptyE1,definition,
% 2.04/1.58      ( emptyE1
% 2.04/1.58      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.58            ( ? [Xx: $i] :
% 2.04/1.58                ( ( in @ Xx @ A )
% 2.04/1.58                & ( Xphi @ Xx ) )
% 2.04/1.58           => ( ( ( dsetconstr @ A
% 2.04/1.58                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.04/1.58                = emptyset )
% 2.04/1.58             => $false ) ) ) ) ).
% 2.04/1.58  
% 2.04/1.58  thf(vacuousDall_type,type,
% 2.04/1.58      vacuousDall: $o ).
% 2.04/1.58  
% 2.04/1.58  thf(vacuousDall,definition,
% 2.04/1.58      ( vacuousDall
% 2.04/1.58      = ( ! [Xphi: $i > $o,Xx: $i] :
% 2.04/1.58            ( ( in @ Xx @ emptyset )
% 2.04/1.58           => ( Xphi @ Xx ) ) ) ) ).
% 2.04/1.58  
% 2.04/1.58  thf(quantDeMorgan1_type,type,
% 2.04/1.58      quantDeMorgan1: $o ).
% 2.04/1.58  
% 2.04/1.58  thf(quantDeMorgan1,definition,
% 2.04/1.58      ( quantDeMorgan1
% 2.04/1.58      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.58            ( ~ ! [Xx: $i] :
% 2.04/1.58                  ( ( in @ Xx @ A )
% 2.04/1.58                 => ( Xphi @ Xx ) )
% 2.04/1.58           => ? [Xx: $i] :
% 2.04/1.58                ( ( in @ Xx @ A )
% 2.04/1.58                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.58  
% 2.04/1.58  thf(quantDeMorgan2_type,type,
% 2.04/1.58      quantDeMorgan2: $o ).
% 2.04/1.58  
% 2.04/1.58  thf(quantDeMorgan2,definition,
% 2.04/1.58      ( quantDeMorgan2
% 2.04/1.58      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.58            ( ! [Xx: $i] :
% 2.04/1.58                ( ( in @ Xx @ A )
% 2.04/1.58               => ~ ( Xphi @ Xx ) )
% 2.04/1.58           => ~ ? [Xx: $i] :
% 2.04/1.58                  ( ( in @ Xx @ A )
% 2.04/1.58                  & ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.58  
% 2.04/1.58  thf(quantDeMorgan3_type,type,
% 2.04/1.58      quantDeMorgan3: $o ).
% 2.04/1.58  
% 2.04/1.58  thf(quantDeMorgan3,definition,
% 2.04/1.58      ( quantDeMorgan3
% 2.04/1.58      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.58            ( ~ ? [Xx: $i] :
% 2.04/1.58                  ( ( in @ Xx @ A )
% 2.04/1.58                  & ( Xphi @ Xx ) )
% 2.04/1.58           => ! [Xx: $i] :
% 2.04/1.58                ( ( in @ Xx @ A )
% 2.04/1.58               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.58  
% 2.04/1.58  thf(quantDeMorgan4_type,type,
% 2.04/1.58      quantDeMorgan4: $o ).
% 2.04/1.58  
% 2.04/1.58  thf(quantDeMorgan4,definition,
% 2.04/1.58      ( quantDeMorgan4
% 2.04/1.58      = ( ! [A: $i,Xphi: $i > $o] :
% 2.04/1.58            ( ? [Xx: $i] :
% 2.04/1.58                ( ( in @ Xx @ A )
% 2.04/1.58                & ~ ( Xphi @ Xx ) )
% 2.04/1.58           => ~ ! [Xx: $i] :
% 2.04/1.58                  ( ( in @ Xx @ A )
% 2.04/1.58                 => ( Xphi @ Xx ) ) ) ) ) ).
% 2.04/1.58  
% 2.04/1.58  thf(prop2setI,conjecture,
% 2.04/1.58      ( setextAx
% 2.04/1.58     => ( emptysetAx
% 2.04/1.58       => ( setadjoinAx
% 2.04/1.58         => ( powersetAx
% 2.04/1.58           => ( setunionAx
% 2.04/1.58             => ( omega0Ax
% 2.04/1.58               => ( omegaSAx
% 2.04/1.58                 => ( omegaIndAx
% 2.04/1.58                   => ( replAx
% 2.04/1.58                     => ( foundationAx
% 2.04/1.58                       => ( wellorderingAx
% 2.04/1.58                         => ( descrp
% 2.04/1.58                           => ( dsetconstrI
% 2.04/1.58                             => ( dsetconstrEL
% 2.04/1.58                               => ( dsetconstrER
% 2.04/1.58                                 => ( exuE1
% 2.04/1.58                                   => ( prop2setE
% 2.04/1.58                                     => ( emptysetE
% 2.04/1.58                                       => ( emptysetimpfalse
% 2.04/1.58                                         => ( notinemptyset
% 2.04/1.58                                           => ( exuE3e
% 2.04/1.58                                             => ( setext
% 2.04/1.58                                               => ( emptyI
% 2.04/1.58                                                 => ( noeltsimpempty
% 2.04/1.58                                                   => ( setbeta
% 2.04/1.58                                                     => ( nonemptyE1
% 2.04/1.58                                                       => ( nonemptyI
% 2.04/1.58                                                         => ( nonemptyI1
% 2.04/1.58                                                           => ( setadjoinIL
% 2.04/1.58                                                             => ( emptyinunitempty
% 2.04/1.58                                                               => ( setadjoinIR
% 2.04/1.58                                                                 => ( setadjoinE
% 2.04/1.58                                                                   => ( setadjoinOr
% 2.04/1.58                                                                     => ( setoftrueEq
% 2.04/1.58                                                                       => ( powersetI
% 2.04/1.58                                                                         => ( emptyinPowerset
% 2.04/1.58                                                                           => ( emptyInPowerset
% 2.04/1.58                                                                             => ( powersetE
% 2.04/1.58                                                                               => ( setunionI
% 2.04/1.58                                                                                 => ( setunionE
% 2.04/1.58                                                                                   => ( subPowSU
% 2.04/1.58                                                                                     => ( exuE2
% 2.04/1.58                                                                                       => ( nonemptyImpWitness
% 2.04/1.58                                                                                         => ( uniqinunit
% 2.04/1.58                                                                                           => ( notinsingleton
% 2.04/1.58                                                                                             => ( eqinunit
% 2.04/1.58                                                                                               => ( singletonsswitch
% 2.04/1.58                                                                                                 => ( upairsetE
% 2.04/1.58                                                                                                   => ( upairsetIL
% 2.04/1.58                                                                                                     => ( upairsetIR
% 2.04/1.58                                                                                                       => ( emptyE1
% 2.04/1.58                                                                                                         => ( vacuousDall
% 2.04/1.58                                                                                                           => ( quantDeMorgan1
% 2.04/1.58                                                                                                             => ( quantDeMorgan2
% 2.04/1.58                                                                                                               => ( quantDeMorgan3
% 2.04/1.58                                                                                                                 => ( quantDeMorgan4
% 2.04/1.58                                                                                                                   => ! [Xphi: $o] :
% 2.04/1.58                                                                                                                        ( Xphi
% 2.04/1.58                                                                                                                       => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 2.04/1.58  ------------------------
% 2.21/1.60  % (32232)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/2Mi)
% 2.21/1.60  % (32231)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_32072 for (2999ds/27Mi)
% 2.21/1.60  % (32233)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_32072 for (2999ds/2Mi)
% 2.21/1.60  % (32234)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_32072 for (2999ds/275Mi)
% 2.21/1.60  % (32235)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/18Mi)
% 2.21/1.60  % (32230)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_32072 for (2999ds/4Mi)
% 2.21/1.60  % (32229)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/183Mi)
% 2.21/1.60  % (32232)Instruction limit reached!
% 2.21/1.60  % (32232)------------------------------
% 2.21/1.60  % (32232)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.60  % (32232)Termination reason: Unknown
% 2.21/1.60  % (32232)Termination phase: shuffling
% 2.21/1.60  
% 2.21/1.60  % (32233)Instruction limit reached!
% 2.21/1.60  % (32233)------------------------------
% 2.21/1.60  % (32233)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.60  % (32232)Memory used [KB]: 1023
% 2.21/1.60  % (32232)Time elapsed: 0.003 s
% 2.21/1.60  % (32232)Instructions burned: 2 (million)
% 2.21/1.60  % (32232)------------------------------
% 2.21/1.60  % (32232)------------------------------
% 2.21/1.60  % (32233)Termination reason: Unknown
% 2.21/1.60  % (32233)Termination phase: shuffling
% 2.21/1.60  
% 2.21/1.60  % (32233)Memory used [KB]: 1023
% 2.21/1.60  % (32233)Time elapsed: 0.003 s
% 2.21/1.60  % (32233)Instructions burned: 2 (million)
% 2.21/1.60  % (32233)------------------------------
% 2.21/1.60  % (32233)------------------------------
% 2.21/1.60  % (32230)Instruction limit reached!
% 2.21/1.60  % (32230)------------------------------
% 2.21/1.60  % (32230)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.60  % (32230)Termination reason: Unknown
% 2.21/1.60  % (32230)Termination phase: shuffling
% 2.21/1.60  
% 2.21/1.60  % (32230)Memory used [KB]: 1151
% 2.21/1.60  % (32230)Time elapsed: 0.003 s
% 2.21/1.60  % (32230)Instructions burned: 4 (million)
% 2.21/1.60  % (32230)------------------------------
% 2.21/1.60  % (32230)------------------------------
% 2.21/1.61  % (32235)Instruction limit reached!
% 2.21/1.61  % (32235)------------------------------
% 2.21/1.61  % (32235)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.61  % (32235)Termination reason: Unknown
% 2.21/1.61  % (32235)Termination phase: Preprocessing 3
% 2.21/1.61  
% 2.21/1.61  % (32235)Memory used [KB]: 1535
% 2.21/1.61  % (32235)Time elapsed: 0.011 s
% 2.21/1.61  % (32235)Instructions burned: 18 (million)
% 2.21/1.61  % (32235)------------------------------
% 2.21/1.61  % (32235)------------------------------
% 2.21/1.61  % (32231)Instruction limit reached!
% 2.21/1.61  % (32231)------------------------------
% 2.21/1.61  % (32231)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.61  % (32231)Termination reason: Unknown
% 2.21/1.61  % (32231)Termination phase: Property scanning
% 2.21/1.61  
% 2.21/1.61  % (32231)Memory used [KB]: 1279
% 2.21/1.61  % (32231)Time elapsed: 0.014 s
% 2.21/1.61  % (32231)Instructions burned: 27 (million)
% 2.21/1.61  % (32231)------------------------------
% 2.21/1.61  % (32231)------------------------------
% 2.21/1.61  % (32237)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_32072 for (2999ds/37Mi)
% 2.21/1.61  % (32236)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/3Mi)
% 2.21/1.62  % (32238)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_32072 for (2999ds/15Mi)
% 2.21/1.62  % (32236)Instruction limit reached!
% 2.21/1.62  % (32236)------------------------------
% 2.21/1.62  % (32236)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.62  % (32236)Termination reason: Unknown
% 2.21/1.62  % (32236)Termination phase: shuffling
% 2.21/1.62  
% 2.21/1.62  % (32236)Memory used [KB]: 1023
% 2.21/1.62  % (32236)Time elapsed: 0.003 s
% 2.21/1.62  % (32236)Instructions burned: 3 (million)
% 2.21/1.62  % (32236)------------------------------
% 2.21/1.62  % (32236)------------------------------
% 2.21/1.62  % (32238)Instruction limit reached!
% 2.21/1.62  % (32238)------------------------------
% 2.21/1.62  % (32238)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.62  % (32238)Termination reason: Unknown
% 2.21/1.62  % (32238)Termination phase: Preprocessing 3
% 2.21/1.62  
% 2.21/1.62  % (32238)Memory used [KB]: 1407
% 2.21/1.62  % (32238)Time elapsed: 0.009 s
% 2.21/1.62  % (32238)Instructions burned: 16 (million)
% 2.21/1.62  % (32238)------------------------------
% 2.21/1.62  % (32238)------------------------------
% 2.21/1.62  % (32239)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_32072 for (2999ds/3Mi)
% 2.21/1.62  % (32239)Instruction limit reached!
% 2.21/1.62  % (32239)------------------------------
% 2.21/1.62  % (32239)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.62  % (32239)Termination reason: Unknown
% 2.21/1.62  % (32239)Termination phase: shuffling
% 2.21/1.62  
% 2.21/1.62  % (32239)Memory used [KB]: 1023
% 2.21/1.62  % (32239)Time elapsed: 0.003 s
% 2.21/1.62  % (32239)Instructions burned: 3 (million)
% 2.21/1.62  % (32239)------------------------------
% 2.21/1.62  % (32239)------------------------------
% 2.21/1.63  % (32240)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_32072 for (2999ds/1041Mi)
% 2.21/1.63  % (32237)Instruction limit reached!
% 2.21/1.63  % (32237)------------------------------
% 2.21/1.63  % (32237)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.63  % (32237)Termination reason: Unknown
% 2.21/1.63  % (32237)Termination phase: Saturation
% 2.21/1.63  
% 2.21/1.63  % (32237)Memory used [KB]: 5756
% 2.21/1.63  % (32237)Time elapsed: 0.018 s
% 2.21/1.63  % (32237)Instructions burned: 39 (million)
% 2.21/1.63  % (32237)------------------------------
% 2.21/1.63  % (32237)------------------------------
% 2.21/1.63  % (32241)lrs+10_1:1_av=off:chr=on:plsq=on:slsq=on:i=7:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/7Mi)
% 2.21/1.64  % (32241)Instruction limit reached!
% 2.21/1.64  % (32241)------------------------------
% 2.21/1.64  % (32241)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.64  % (32241)Termination reason: Unknown
% 2.21/1.64  % (32241)Termination phase: shuffling
% 2.21/1.64  
% 2.21/1.64  % (32241)Memory used [KB]: 1151
% 2.21/1.64  % (32241)Time elapsed: 0.005 s
% 2.21/1.64  % (32241)Instructions burned: 8 (million)
% 2.21/1.64  % (32241)------------------------------
% 2.21/1.64  % (32241)------------------------------
% 2.21/1.64  % (32242)lrs+10_1:1_acc=on:amm=sco:cs=on:tgt=full:i=16:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/16Mi)
% 2.21/1.64  % (32243)lrs+21_1:1_au=on:cnfonf=off:fd=preordered:fe=off:fsr=off:hud=11:inj=on:kws=precedence:s2pl=no:sp=weighted_frequency:tgt=full:i=3:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/3Mi)
% 2.21/1.64  % (32243)Instruction limit reached!
% 2.21/1.64  % (32243)------------------------------
% 2.21/1.64  % (32243)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.64  % (32243)Termination reason: Unknown
% 2.21/1.64  % (32243)Termination phase: shuffling
% 2.21/1.64  
% 2.21/1.64  % (32243)Memory used [KB]: 1023
% 2.21/1.64  % (32243)Time elapsed: 0.003 s
% 2.21/1.64  % (32243)Instructions burned: 3 (million)
% 2.21/1.64  % (32243)------------------------------
% 2.21/1.64  % (32243)------------------------------
% 2.21/1.65  % (32242)Instruction limit reached!
% 2.21/1.65  % (32242)------------------------------
% 2.21/1.65  % (32242)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.65  % (32242)Termination reason: Unknown
% 2.21/1.65  % (32242)Termination phase: Property scanning
% 2.21/1.65  
% 2.21/1.65  % (32242)Memory used [KB]: 1279
% 2.21/1.65  % (32242)Time elapsed: 0.009 s
% 2.21/1.65  % (32242)Instructions burned: 17 (million)
% 2.21/1.65  % (32242)------------------------------
% 2.21/1.65  % (32242)------------------------------
% 2.21/1.65  % (32244)lrs+2_1:1_apa=on:au=on:bd=preordered:cnfonf=off:cs=on:ixr=off:sos=on:i=3:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/3Mi)
% 2.21/1.65  % (32244)Instruction limit reached!
% 2.21/1.65  % (32244)------------------------------
% 2.21/1.65  % (32244)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.65  % (32244)Termination reason: Unknown
% 2.21/1.65  % (32244)Termination phase: shuffling
% 2.21/1.65  
% 2.21/1.65  % (32244)Memory used [KB]: 1023
% 2.21/1.65  % (32244)Time elapsed: 0.003 s
% 2.21/1.65  % (32244)Instructions burned: 4 (million)
% 2.21/1.65  % (32244)------------------------------
% 2.21/1.65  % (32244)------------------------------
% 2.21/1.65  % (32245)lrs+10_1:1_cnfonf=off:cs=on:hud=3:prag=on:sup=off:i=7:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/7Mi)
% 2.21/1.65  % (32245)Instruction limit reached!
% 2.21/1.65  % (32245)------------------------------
% 2.21/1.65  % (32245)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.65  % (32245)Termination reason: Unknown
% 2.21/1.66  % (32245)Termination phase: shuffling
% 2.21/1.66  
% 2.21/1.66  % (32245)Memory used [KB]: 1151
% 2.21/1.66  % (32245)Time elapsed: 0.005 s
% 2.21/1.66  % (32245)Instructions burned: 8 (million)
% 2.21/1.66  % (32245)------------------------------
% 2.21/1.66  % (32245)------------------------------
% 2.21/1.66  % (32246)dis+1002_1:1_add=large:cnfonf=lazy_pi_sigma_gen:fe=off:prag=on:i=3:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/3Mi)
% 2.21/1.66  % (32246)Instruction limit reached!
% 2.21/1.66  % (32246)------------------------------
% 2.21/1.66  % (32246)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.66  % (32246)Termination reason: Unknown
% 2.21/1.66  % (32246)Termination phase: shuffling
% 2.21/1.66  
% 2.21/1.66  % (32246)Memory used [KB]: 1151
% 2.21/1.66  % (32246)Time elapsed: 0.003 s
% 2.21/1.66  % (32246)Instructions burned: 3 (million)
% 2.21/1.66  % (32246)------------------------------
% 2.21/1.66  % (32246)------------------------------
% 2.21/1.66  % (32229)First to succeed.
% 2.21/1.66  % (32247)dis+1004_1:1_cha=on:cs=on:fe=off:hud=1:i=4:si=on:rtra=on_0 on DTF2THF_32072 for (2999ds/4Mi)
% 2.21/1.66  % (32229)Refutation found. Thanks to Tanya!
% 2.21/1.66  % SZS status Theorem for DTF2THF_32072
% 2.21/1.66  % SZS output start Proof for DTF2THF_32072
% 2.21/1.66  thf(func_def_0, type, in: $i > $i > $o).
% 2.21/1.66  thf(func_def_1, type, exu: ($i > $o) > $o).
% 2.21/1.66  thf(func_def_6, type, setadjoin: $i > $i > $i).
% 2.21/1.66  thf(func_def_8, type, powerset: $i > $i).
% 2.21/1.66  thf(func_def_10, type, setunion: $i > $i).
% 2.21/1.66  thf(func_def_19, type, descr: ($i > $o) > $i).
% 2.21/1.66  thf(func_def_21, type, dsetconstr: $i > ($i > $o) > $i).
% 2.21/1.66  thf(func_def_26, type, prop2set: $o > $i).
% 2.21/1.66  thf(func_def_36, type, nonempty: $i > $o).
% 2.21/1.66  thf(func_def_87, type, sK2: ($i > $i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_88, type, sK3: ($i > $i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_89, type, sK4: $i > ($i > $i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_90, type, sK5: $i > ($i > $i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_91, type, sK6: $i > ($i > $i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_92, type, sK7: $i > ($i > $i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_93, type, sK8: $i > ($i > $i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_94, type, sK9: $i > ($i > $o) > $i).
% 2.21/1.66  thf(func_def_95, type, sK10: ($i > $o) > $i).
% 2.21/1.66  thf(func_def_96, type, sK11: ($i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_97, type, sK12: ($i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_98, type, sK13: $i > $i).
% 2.21/1.66  thf(func_def_99, type, sK14: ($i > $o) > $i).
% 2.21/1.66  thf(func_def_100, type, sK15: $i > ($i > $o) > $i).
% 2.21/1.66  thf(func_def_101, type, sK16: ($i > $o) > $i).
% 2.21/1.66  thf(func_def_102, type, sK17: ($i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_103, type, sK18: ($i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_104, type, sK19: $i > $i).
% 2.21/1.66  thf(func_def_105, type, sK20: ($i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_106, type, sK21: $i > $i).
% 2.21/1.66  thf(func_def_107, type, sK22: $i > $i > $i > $i).
% 2.21/1.66  thf(func_def_108, type, sK23: $i > $i > $i).
% 2.21/1.66  thf(func_def_109, type, sK24: $i > $i > $i).
% 2.21/1.66  thf(func_def_110, type, sK25: $i > $i > $i).
% 2.21/1.66  thf(func_def_111, type, sK26: $i > $i > $i).
% 2.21/1.66  thf(func_def_112, type, sK27: $i > $i > $i).
% 2.21/1.66  thf(func_def_113, type, sK28: $i > ($i > $o) > $i).
% 2.21/1.66  thf(func_def_114, type, sK29: ($i > $o) > $i > $i).
% 2.21/1.66  thf(func_def_115, type, sK30: $i > $i > $i).
% 2.21/1.66  thf(func_def_116, type, sK31: $i > $i > $i).
% 2.21/1.66  thf(func_def_117, type, sK32: $i > $i > $i).
% 2.21/1.66  thf(func_def_118, type, sK33: $i > $i > $i).
% 2.21/1.66  thf(func_def_119, type, sK34: $i > $i > $i).
% 2.21/1.66  thf(func_def_120, type, sK35: $i > $i).
% 2.21/1.66  thf(func_def_121, type, sK36: $i > $i).
% 2.21/1.66  thf(func_def_122, type, sK37: $i > $i).
% 2.21/1.66  thf(func_def_123, type, sK38: $o > $i > $i > $i).
% 2.21/1.66  thf(func_def_124, type, sK39: $i > $i).
% 2.21/1.66  thf(func_def_125, type, ph40: !>[X0: $tType]:(X0)).
% 2.21/1.66  thf(f1394,plain,(
% 2.21/1.66    $false),
% 2.21/1.66    inference(subsumption_resolution,[status(thm)],[f1388,f1004])).
% 2.21/1.66  thf(f1004,plain,(
% 2.21/1.66    ( ! [X1 : $i] : (($true = (in @ emptyset @ (powerset @ X1)))) )),
% 2.21/1.66    inference(beta_eta_normalization,[status(thm)],[f1003])).
% 2.21/1.66  thf(f1003,plain,(
% 2.21/1.66    ( ! [X1 : $i] : (($true = ((^[Y0 : $i]: (in @ emptyset @ (powerset @ Y0))) @ X1))) )),
% 2.21/1.66    inference(pi_clausification,[status(thm)],[f315])).
% 2.21/1.66  thf(f315,plain,(
% 2.21/1.66    ($true = (!! @ $i @ (^[Y0 : $i]: (in @ emptyset @ (powerset @ Y0)))))),
% 2.21/1.66    inference(definition_unfolding,[status(thm)],[f254,f230])).
% 2.21/1.66  thf(f230,plain,(
% 2.21/1.66    (emptyinPowerset = $true)),
% 2.21/1.66    inference(cnf_transformation,[status(thm)],[f181])).
% 2.21/1.66  thf(f181,plain,(
% 2.21/1.66    (emptysetimpfalse = $true) & (quantDeMorgan4 = $true) & (omegaSAx = $true) & (nonemptyImpWitness = $true) & (foundationAx = $true) & (($true = sK0) & ($true != (in @ emptyset @ (prop2set @ sK0)))) & (prop2setE = $true) & (exuE3e = $true) & (upairsetE = $true) & (quantDeMorgan2 = $true) & (setadjoinIR = $true) & (setunionE = $true) & (uniqinunit = $true) & (singletonsswitch = $true) & (setadjoinOr = $true) & (emptyInPowerset = $true) & (setbeta = $true) & (vacuousDall = $true) & (emptyE1 = $true) & (emptyinPowerset = $true) & (emptyI = $true) & (omegaIndAx = $true) & (powersetAx = $true) & (notinemptyset = $true) & (powersetE = $true) & (setunionI = $true) & (noeltsimpempty = $true) & (exuE1 = $true) & (omega0Ax = $true) & (quantDeMorgan1 = $true) & (setadjoinIL = $true) & (quantDeMorgan3 = $true) & (setoftrueEq = $true) & (dsetconstrER = $true) & (exuE2 = $true) & (setunionAx = $true) & (emptysetAx = $true) & (dsetconstrEL = $true) & (setadjoinE = $true) & (subPowSU = $true) & (descrp = $true) & (setextAx = $true) & (upairsetIR = $true) & (emptyinunitempty = $true) & (setadjoinAx = $true) & (nonemptyI1 = $true) & (upairsetIL = $true) & (eqinunit = $true) & (notinsingleton = $true) & (emptysetE = $true) & (powersetI = $true) & (replAx = $true) & (nonemptyE1 = $true) & (setext = $true) & (dsetconstrI = $true) & (wellorderingAx = $true) & (nonemptyI = $true)),
% 2.21/1.66    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f179,f180])).
% 2.21/1.66  thf(f180,plain,(
% 2.21/1.66    ? [X0 : $o] : (($true = X0) & ((in @ emptyset @ (prop2set @ X0)) != $true)) => (($true = sK0) & ($true != (in @ emptyset @ (prop2set @ sK0))))),
% 2.21/1.66    introduced(definition,[],[choice_axiom])).
% 2.21/1.66  thf(f179,plain,(
% 2.21/1.66    (emptysetimpfalse = $true) & (quantDeMorgan4 = $true) & (omegaSAx = $true) & (nonemptyImpWitness = $true) & (foundationAx = $true) & ? [X0 : $o] : (($true = X0) & ((in @ emptyset @ (prop2set @ X0)) != $true)) & (prop2setE = $true) & (exuE3e = $true) & (upairsetE = $true) & (quantDeMorgan2 = $true) & (setadjoinIR = $true) & (setunionE = $true) & (uniqinunit = $true) & (singletonsswitch = $true) & (setadjoinOr = $true) & (emptyInPowerset = $true) & (setbeta = $true) & (vacuousDall = $true) & (emptyE1 = $true) & (emptyinPowerset = $true) & (emptyI = $true) & (omegaIndAx = $true) & (powersetAx = $true) & (notinemptyset = $true) & (powersetE = $true) & (setunionI = $true) & (noeltsimpempty = $true) & (exuE1 = $true) & (omega0Ax = $true) & (quantDeMorgan1 = $true) & (setadjoinIL = $true) & (quantDeMorgan3 = $true) & (setoftrueEq = $true) & (dsetconstrER = $true) & (exuE2 = $true) & (setunionAx = $true) & (emptysetAx = $true) & (dsetconstrEL = $true) & (setadjoinE = $true) & (subPowSU = $true) & (descrp = $true) & (setextAx = $true) & (upairsetIR = $true) & (emptyinunitempty = $true) & (setadjoinAx = $true) & (nonemptyI1 = $true) & (upairsetIL = $true) & (eqinunit = $true) & (notinsingleton = $true) & (emptysetE = $true) & (powersetI = $true) & (replAx = $true) & (nonemptyE1 = $true) & (setext = $true) & (dsetconstrI = $true) & (wellorderingAx = $true) & (nonemptyI = $true)),
% 2.21/1.66    inference(flattening,[status(thm)],[f178])).
% 2.21/1.66  thf(f178,plain,(
% 2.21/1.66    (((((((((((((((((((((((((((((((((((((((((((((((((((((((? [X0 : $o] : (($true = X0) & ((in @ emptyset @ (prop2set @ X0)) != $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)),
% 2.21/1.66    inference(ennf_transformation,[status(thm)],[f72])).
% 2.21/1.66  thf(f72,plain,(
% 2.21/1.66    ~((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) => ! [X0 : $o] : (($true = X0) => ((in @ emptyset @ (prop2set @ X0)) = $true))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.21/1.66    inference(fool_elimination,[status(thm)],[f71])).
% 2.21/1.66  thf(f71,plain,(
% 2.21/1.66    ~(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 => ! [X0 : $o] : (X0 => (in @ emptyset @ (prop2set @ X0)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.21/1.66    inference(rectify,[status(thm)],[f61])).
% 2.21/1.66  thf(f61,negated_conjecture,(
% 2.21/1.66    ~(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 => ! [X0 : $o] : (X0 => (in @ emptyset @ (prop2set @ X0)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.21/1.66    inference(negated_conjecture,[status(cth)],[f60])).
% 2.21/1.66  thf(f60,conjecture,(
% 2.21/1.66    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 => ! [X0 : $o] : (X0 => (in @ emptyset @ (prop2set @ X0))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.21/1.66    file('/export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2THF_32072.p',prop2setI)).
% 2.21/1.66  thf(f254,plain,(
% 2.21/1.66    (emptyinPowerset = (!! @ $i @ (^[Y0 : $i]: (in @ emptyset @ (powerset @ Y0)))))),
% 2.21/1.66    inference(cnf_transformation,[status(thm)],[f82])).
% 2.21/1.66  thf(f82,plain,(
% 2.21/1.66    (emptyinPowerset = (!! @ $i @ (^[Y0 : $i]: (in @ emptyset @ (powerset @ Y0)))))),
% 2.21/1.66    inference(fool_elimination,[status(thm)],[f81])).
% 2.21/1.66  thf(f81,plain,(
% 2.21/1.66    (emptyinPowerset = ! [X0 : $i] : (in @ emptyset @ (powerset @ X0)))),
% 2.21/1.66    inference(rectify,[status(thm)],[f39])).
% 2.21/1.66  thf(f39,axiom,(
% 2.21/1.66    (emptyinPowerset = ! [X3 : $i] : (in @ emptyset @ (powerset @ X3)))),
% 2.21/1.66    file('/export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2THF_32072.p',emptyinPowerset)).
% 2.21/1.66  thf(f1388,plain,(
% 2.21/1.66    ($true != (in @ emptyset @ (powerset @ emptyset)))),
% 2.21/1.66    inference(superposition,[status(thm)],[f930,f718])).
% 2.21/1.66  thf(f718,plain,(
% 2.21/1.66    ( ! [X1 : $i] : (((dsetconstr @ X1 @ (^[Y0 : $i]: ($true))) = X1)) )),
% 2.21/1.66    inference(equality_proxy_clausification,[status(thm)],[f717])).
% 2.21/1.66  thf(f717,plain,(
% 2.21/1.66    ( ! [X1 : $i] : (($true = (X1 = (dsetconstr @ X1 @ (^[Y0 : $i]: ($true)))))) )),
% 2.21/1.66    inference(beta_eta_normalization,[status(thm)],[f716])).
% 2.21/1.66  thf(f716,plain,(
% 2.21/1.66    ( ! [X1 : $i] : (($true = ((^[Y0 : $i]: (Y0 = (dsetconstr @ Y0 @ (^[Y1 : $i]: ($true))))) @ X1))) )),
% 2.21/1.66    inference(pi_clausification,[status(thm)],[f350])).
% 2.21/1.66  thf(f350,plain,(
% 2.21/1.66    ($true = (!! @ $i @ (^[Y0 : $i]: (Y0 = (dsetconstr @ Y0 @ (^[Y1 : $i]: ($true)))))))),
% 2.21/1.66    inference(definition_unfolding,[status(thm)],[f291,f217])).
% 2.21/1.66  thf(f217,plain,(
% 2.21/1.66    (setoftrueEq = $true)),
% 2.21/1.66    inference(cnf_transformation,[status(thm)],[f181])).
% 2.21/1.66  thf(f291,plain,(
% 2.21/1.66    (setoftrueEq = (!! @ $i @ (^[Y0 : $i]: (Y0 = (dsetconstr @ Y0 @ (^[Y1 : $i]: ($true)))))))),
% 2.21/1.66    inference(cnf_transformation,[status(thm)],[f171])).
% 2.21/1.66  thf(f171,plain,(
% 2.21/1.66    (setoftrueEq = (!! @ $i @ (^[Y0 : $i]: (Y0 = (dsetconstr @ Y0 @ (^[Y1 : $i]: ($true)))))))),
% 2.21/1.66    inference(fool_elimination,[status(thm)],[f170])).
% 2.21/1.66  thf(f170,plain,(
% 2.21/1.66    (setoftrueEq = ! [X0 : $i] : (X0 = (dsetconstr @ X0 @ (^[X1 : $i] : ($true)))))),
% 2.21/1.66    inference(rectify,[status(thm)],[f37])).
% 2.21/1.66  thf(f37,axiom,(
% 2.21/1.66    (setoftrueEq = ! [X3 : $i] : (X3 = (dsetconstr @ X3 @ (^[X1 : $i] : ($true)))))),
% 2.21/1.66    file('/export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2THF_32072.p',setoftrueEq)).
% 2.21/1.66  thf(f930,plain,(
% 2.21/1.66    ($true != (in @ emptyset @ (dsetconstr @ (powerset @ emptyset) @ (^[Y0 : $i]: ($true)))))),
% 2.21/1.66    inference(beta_eta_normalization,[status(thm)],[f300])).
% 2.21/1.66  thf(f300,plain,(
% 2.21/1.66    ($true != (in @ emptyset @ ((^[Y0 : $o]: (dsetconstr @ (powerset @ emptyset) @ (^[Y1 : $i]: (Y0)))) @ $true)))),
% 2.21/1.66    inference(definition_unfolding,[status(thm)],[f244,f259,f245])).
% 2.21/1.66  thf(f245,plain,(
% 2.21/1.66    ($true = sK0)),
% 2.21/1.66    inference(cnf_transformation,[status(thm)],[f181])).
% 2.21/1.66  thf(f259,plain,(
% 2.21/1.66    (prop2set = (^[Y0 : $o]: (dsetconstr @ (powerset @ emptyset) @ (^[Y1 : $i]: (Y0)))))),
% 2.21/1.66    inference(cnf_transformation,[status(thm)],[f87])).
% 2.21/1.66  thf(f87,plain,(
% 2.21/1.66    (prop2set = (^[Y0 : $o]: (dsetconstr @ (powerset @ emptyset) @ (^[Y1 : $i]: (Y0)))))),
% 2.21/1.66    inference(fool_elimination,[status(thm)],[f18])).
% 2.21/1.66  thf(f18,axiom,(
% 2.21/1.66    (prop2set = (^[X0 : $o] : (dsetconstr @ (powerset @ emptyset) @ (^[X1 : $i] : (X0)))))),
% 2.21/1.66    file('/export/starexec/sandbox/tmp/tmp.2yhNlamfaV/DTF2THF_32072.p',prop2set)).
% 2.21/1.66  thf(f244,plain,(
% 2.21/1.66    ($true != (in @ emptyset @ (prop2set @ sK0)))),
% 2.21/1.66    inference(cnf_transformation,[status(thm)],[f181])).
% 2.21/1.66  % SZS output end Proof for DTF2THF_32072
% 2.21/1.66  % (32229)------------------------------
% 2.21/1.66  % (32229)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.66  % (32229)Termination reason: Refutation
% 2.21/1.66  
% 2.21/1.66  % (32229)Memory used [KB]: 6780
% 2.21/1.66  % (32229)Time elapsed: 0.065 s
% 2.21/1.66  % (32229)Instructions burned: 129 (million)
% 2.21/1.66  % (32229)------------------------------
% 2.21/1.66  % (32229)------------------------------
% 2.21/1.66  % (32228)Success in time 0.077 s
%------------------------------------------------------------------------------