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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEU564^1 : 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 : n009.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 09:35:17 AM UTC 2026

% Result   : Theorem 2.21s 1.58s
% Output   : Refutation 2.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   23 (  13 unt;   0 typ;   0 def)
%            Number of atoms       : 1356 ( 354 equ;   0 cnn)
%            Maximal formula atoms :   83 (  58 avg)
%            Number of connectives :  713 (   9   ~;   2   |; 250   &; 111   @)
%                                         (   0 <=>; 337  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   89 (  27 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  194 ( 190 usr;  86 con; 0-4 aty)
%                                         (   4  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :   41 (  15   ^;  17   !;   9   ?;  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_69,type,
    set2prop: $i > $o ).

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

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

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

thf(func_def_109,type,
    sP1: $i > $i > $o ).

thf(func_def_110,type,
    sP2: $i > $o ).

thf(func_def_111,type,
    sP3: $i > $i > $o ).

thf(func_def_112,type,
    sP4: $i > $i > $o ).

thf(func_def_117,type,
    sK9: $i > $o ).

thf(func_def_118,type,
    sK10: $i > $o ).

thf(func_def_121,type,
    sK13: $i > ( $i > $o ) > $i ).

thf(func_def_124,type,
    sK16: $i > $i ).

thf(func_def_127,type,
    sK19: ( $i > $o ) > $i ).

thf(func_def_128,type,
    sK20: $i > $o ).

thf(func_def_134,type,
    sK26: $i > $i ).

thf(func_def_142,type,
    sK34: $i > $o ).

thf(func_def_146,type,
    sK38: $i > $i > $o ).

thf(func_def_147,type,
    sK39: $i > $i ).

thf(func_def_148,type,
    sK40: $i > $i ).

thf(func_def_149,type,
    sK41: ( $i > $i > $o ) > $i > $i ).

thf(func_def_150,type,
    sK42: $i > ( $i > $i > $o ) > $i > $i ).

thf(func_def_151,type,
    sK43: ( $i > $i > $o ) > $i > $i ).

thf(func_def_153,type,
    sK45: $i > $o ).

thf(func_def_155,type,
    sK47: $i > ( $i > $o ) > $i ).

thf(func_def_156,type,
    sK48: $i > $o ).

thf(func_def_158,type,
    sK50: $i > $i > $i ).

thf(func_def_165,type,
    sK57: $i > $o ).

thf(func_def_175,type,
    sK67: $o > $i > $i > $i ).

thf(func_def_181,type,
    sK73: $i > $i > $i ).

thf(func_def_188,type,
    sK80: $i > $i ).

thf(func_def_189,type,
    sK81: $i > $i ).

thf(func_def_190,type,
    sK82: ( $i > $o ) > $i > $i ).

thf(func_def_192,type,
    sK84: $i > $o ).

thf(func_def_198,type,
    sK90: $i > $i > $i ).

thf(func_def_202,type,
    sK94: $i > $o ).

thf(func_def_204,type,
    sK96: $i > $o ).

thf(func_def_206,type,
    sK98: ( $i > $o ) > $i > $i ).

thf(func_def_211,type,
    sK103: ( $i > $o ) > ( $i > $o ) > $i > $i > $i ).

thf(func_def_212,type,
    sK104: ( $i > $o ) > ( $i > $o ) > $i > $i > $i ).

thf(func_def_215,type,
    sK107: $i > $o ).

thf(func_def_216,type,
    sK108: $i > $o ).

thf(func_def_217,type,
    sK109: $i > ( $i > $o ) > $i ).

thf(func_def_218,type,
    sK110: $i > $o ).

thf(func_def_220,type,
    sK112: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_221,type,
    sK113: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_222,type,
    sK114: $i > $o ).

thf(func_def_223,type,
    sK115: $i > $o ).

thf(func_def_224,type,
    sK116: $i > $i > $i ).

thf(func_def_225,type,
    sK117: $i > $i > $i ).

thf(func_def_231,type,
    sK123: $i > ( $i > $o ) > $i ).

thf(func_def_232,type,
    sK124: $i > $o ).

thf(func_def_235,type,
    sK127: $i > $o ).

thf(func_def_237,type,
    sK129: ( $i > $o ) > $i ).

thf(func_def_238,type,
    sK130: ( $i > $o ) > $i ).

thf(func_def_242,type,
    sK134: $i > $i ).

thf(func_def_244,type,
    sK136: $i > $o ).

thf(func_def_251,type,
    sK143: $i > $i > $i ).

thf(func_def_252,type,
    sK144: $i > $i > $i ).

thf(func_def_253,type,
    sK145: $i > $i > $i ).

thf(func_def_254,type,
    sK146: $i > $i > $i ).

thf(func_def_255,type,
    sK147: $i > $i > $i ).

thf(func_def_256,type,
    sK148: $i > $i > $i > $i ).

thf(func_def_257,type,
    sK149: $i > $i ).

thf(func_def_258,type,
    sK150: $i > $i ).

thf(func_def_259,type,
    sK151: $i > $i ).

thf(func_def_260,type,
    sK152: $i > $i ).

thf(func_def_261,type,
    sK153: $i > $i > $i > $i ).

thf(func_def_262,type,
    sK154: $i > $i > $i > $i ).

thf(func_def_263,type,
    sK155: $i > $i > $i ).

thf(func_def_264,type,
    sK156: $i > $i > $i ).

thf(func_def_265,type,
    sK157: $i > $i > $i ).

thf(func_def_267,type,
    sK159: $i > $i ).

thf(func_def_268,type,
    sK160: $i > $i ).

thf(func_def_269,type,
    sK161: $i > $i ).

thf(func_def_270,type,
    sK162: $i > $i > $i ).

thf(func_def_278,type,
    sK170: $i > $i ).

thf(func_def_280,type,
    sK172: $i > $o ).

thf(func_def_281,type,
    sK173: $i > $o ).

thf(func_def_282,type,
    sK174: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_283,type,
    sK175: ( $i > $o ) > ( $i > $o ) > $i ).

thf(func_def_284,type,
    sK176: $i > $o ).

thf(func_def_287,type,
    sK179: $i > ( $i > $o ) > $i ).

thf(func_def_289,type,
    sK181: $i > $i ).

thf(func_def_292,type,
    sK184: $i > $o ).

thf(func_def_302,type,
    sK194: ( $i > $o ) > $i ).

thf(func_def_303,type,
    sK195: $i > $o ).

thf(func_def_304,type,
    sK196: $i > $i ).

thf(func_def_308,type,
    sK200: $i > $o ).

thf(func_def_310,type,
    sK202: ( $i > $o ) > $i > $i ).

thf(func_def_311,type,
    sK203: $i > $o ).

thf(func_def_312,type,
    sK204: $i > $i ).

thf(func_def_313,type,
    sK205: ( $i > $o ) > $i ).

thf(func_def_322,type,
    sK214: $i > $i > $i ).

thf(func_def_325,type,
    sK217: $i > $i > $i ).

thf(func_def_334,type,
    sK226: $i > $o ).

thf(func_def_338,type,
    sK230: $i > $o ).

thf(func_def_340,type,
    sK232: $i > $o ).

thf(func_def_343,type,
    ph235: 
      !>[X0: $tType] : X0 ).

thf(f1877,plain,
    $false,
    inference(subsumption_resolution,[status(thm)],[f1860,f938]) ).

thf(f938,plain,
    ( ( in @ sK120 @ sK121 )
   != $true ),
    inference(cnf_transformation,[status(thm)],[f563]) ).

thf(f563,plain,
    ( ( upairsetIL = $true )
    & ( omega__Cong = $true )
    & ( notdallE = $true )
    & ( prop2setI = $true )
    & ( prop2set2propI = $true )
    & ( setbeta = $true )
    & ( dsetconstrER = $true )
    & ( emptysetAx = $true )
    & ( nonemptyI1 = $true )
    & ( emptyinPowerset = $true )
    & ( setadjoinOr = $true )
    & ( eqimpsubset1 = $true )
    & ( notdexE = $true )
    & ( foundationAx = $true )
    & ( vacuousDall = $true )
    & ( setoftrueEq = $true )
    & ( setadjoinIL = $true )
    & ( prop2setE = $true )
    & ( setextAx = $true )
    & ( exuE1 = $true )
    & ( emptysetE = $true )
    & ( inCongP = $true )
    & ( emptyE1 = $true )
    & ( subPowSU = $true )
    & ( emptyset__Cong = $true )
    & ( dsetconstr__Cong = $true )
    & ( notinemptyset = $true )
    & ( setadjoinAx = $true )
    & ( emptysetsubset = $true )
    & ( quantDeMorgan4 = $true )
    & ( exuE2 = $true )
    & ( noeltsimpempty = $true )
    & ( singletonsswitch = $true )
    & ( exuI2 = $true )
    & ( powersetI = $true )
    & ( setext = $true )
    & ( exuEu = $true )
    & ( upairsetE = $true )
    & ( setunionI = $true )
    & ( emptyI = $true )
    & ( subsetI2 = $true )
    & ( nonemptyE1 = $true )
    & ( exuE3e = $true )
    & ( omegaSAx = $true )
    & ( descrp = $true )
    & ( notinsingleton = $true )
    & ( omega0Ax = $true )
    & ( quantDeMorgan3 = $true )
    & ( emptyinunitempty = $true )
    & ( setadjoin__Cong = $true )
    & ( setunionAx = $true )
    & ( eqinunit = $true )
    & ( powersetAx = $true )
    & ( dsetconstrEL = $true )
    & ( exuE3u = $true )
    & ( setadjoinIR = $true )
    & ( replAx = $true )
    & ( dsetconstrI = $true )
    & ( nonemptyI = $true )
    & ( omegaIndAx = $true )
    & ( setadjoinE = $true )
    & ( wellorderingAx = $true )
    & ( eqimpsubset2 = $true )
    & ( emptysetimpfalse = $true )
    & ( quantDeMorgan2 = $true )
    & ( upairsetIR = $true )
    & ( in__Cong = $true )
    & ( setunion__Cong = $true )
    & ( exuI1 = $true )
    & ( powersetE = $true )
    & ( uniqinunit = $true )
    & ( subsetI1 = $true )
    & ( descr__Cong = $true )
    & ( quantDeMorgan1 = $true )
    & ( powerset__Cong = $true )
    & ( exuI3 = $true )
    & ( nonemptyImpWitness = $true )
    & ( ( in @ sK120 @ sK121 )
     != $true )
    & ( ( in @ sK120 @ sK122 )
      = $true )
    & ( ( subset @ sK122 @ sK121 )
      = $true )
    & ( emptyInPowerset = $true )
    & ( setunionE = $true )
    & ( exu__Cong = $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK120,sK121,sK122])],[f349,f562]) ).

thf(f562,plain,
    ( ? [X0: $i,X1: $i,X2: $i] :
        ( ( ( in @ X0 @ X1 )
         != $true )
        & ( ( in @ X0 @ X2 )
          = $true )
        & ( $true
          = ( subset @ X2 @ X1 ) ) )
   => ( ( ( in @ sK120 @ sK121 )
       != $true )
      & ( ( in @ sK120 @ sK122 )
        = $true )
      & ( ( subset @ sK122 @ sK121 )
        = $true ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f349,plain,
    ( ( upairsetIL = $true )
    & ( omega__Cong = $true )
    & ( notdallE = $true )
    & ( prop2setI = $true )
    & ( prop2set2propI = $true )
    & ( setbeta = $true )
    & ( dsetconstrER = $true )
    & ( emptysetAx = $true )
    & ( nonemptyI1 = $true )
    & ( emptyinPowerset = $true )
    & ( setadjoinOr = $true )
    & ( eqimpsubset1 = $true )
    & ( notdexE = $true )
    & ( foundationAx = $true )
    & ( vacuousDall = $true )
    & ( setoftrueEq = $true )
    & ( setadjoinIL = $true )
    & ( prop2setE = $true )
    & ( setextAx = $true )
    & ( exuE1 = $true )
    & ( emptysetE = $true )
    & ( inCongP = $true )
    & ( emptyE1 = $true )
    & ( subPowSU = $true )
    & ( emptyset__Cong = $true )
    & ( dsetconstr__Cong = $true )
    & ( notinemptyset = $true )
    & ( setadjoinAx = $true )
    & ( emptysetsubset = $true )
    & ( quantDeMorgan4 = $true )
    & ( exuE2 = $true )
    & ( noeltsimpempty = $true )
    & ( singletonsswitch = $true )
    & ( exuI2 = $true )
    & ( powersetI = $true )
    & ( setext = $true )
    & ( exuEu = $true )
    & ( upairsetE = $true )
    & ( setunionI = $true )
    & ( emptyI = $true )
    & ( subsetI2 = $true )
    & ( nonemptyE1 = $true )
    & ( exuE3e = $true )
    & ( omegaSAx = $true )
    & ( descrp = $true )
    & ( notinsingleton = $true )
    & ( omega0Ax = $true )
    & ( quantDeMorgan3 = $true )
    & ( emptyinunitempty = $true )
    & ( setadjoin__Cong = $true )
    & ( setunionAx = $true )
    & ( eqinunit = $true )
    & ( powersetAx = $true )
    & ( dsetconstrEL = $true )
    & ( exuE3u = $true )
    & ( setadjoinIR = $true )
    & ( replAx = $true )
    & ( dsetconstrI = $true )
    & ( nonemptyI = $true )
    & ( omegaIndAx = $true )
    & ( setadjoinE = $true )
    & ( wellorderingAx = $true )
    & ( eqimpsubset2 = $true )
    & ( emptysetimpfalse = $true )
    & ( quantDeMorgan2 = $true )
    & ( upairsetIR = $true )
    & ( in__Cong = $true )
    & ( setunion__Cong = $true )
    & ( exuI1 = $true )
    & ( powersetE = $true )
    & ( uniqinunit = $true )
    & ( subsetI1 = $true )
    & ( descr__Cong = $true )
    & ( quantDeMorgan1 = $true )
    & ( powerset__Cong = $true )
    & ( exuI3 = $true )
    & ( nonemptyImpWitness = $true )
    & ? [X0: $i,X1: $i,X2: $i] :
        ( ( ( in @ X0 @ X1 )
         != $true )
        & ( ( in @ X0 @ X2 )
          = $true )
        & ( $true
          = ( subset @ X2 @ X1 ) ) )
    & ( emptyInPowerset = $true )
    & ( setunionE = $true )
    & ( exu__Cong = $true ) ),
    inference(flattening,[status(thm)],[f348]) ).

thf(f348,plain,
    ( ? [X0: $i,X1: $i,X2: $i] :
        ( ( ( in @ X0 @ X1 )
         != $true )
        & ( ( in @ X0 @ X2 )
          = $true )
        & ( $true
          = ( subset @ X2 @ X1 ) ) )
    & ( emptysetsubset = $true )
    & ( subsetI2 = $true )
    & ( eqimpsubset1 = $true )
    & ( eqimpsubset2 = $true )
    & ( subsetI1 = $true )
    & ( dsetconstr__Cong = $true )
    & ( descr__Cong = $true )
    & ( exuEu = $true )
    & ( omega__Cong = $true )
    & ( setunion__Cong = $true )
    & ( powerset__Cong = $true )
    & ( setadjoin__Cong = $true )
    & ( emptyset__Cong = $true )
    & ( exu__Cong = $true )
    & ( exuE3u = $true )
    & ( in__Cong = $true )
    & ( inCongP = $true )
    & ( exuI2 = $true )
    & ( exuI3 = $true )
    & ( exuI1 = $true )
    & ( notdallE = $true )
    & ( notdexE = $true )
    & ( prop2set2propI = $true )
    & ( prop2setI = $true )
    & ( quantDeMorgan4 = $true )
    & ( quantDeMorgan3 = $true )
    & ( quantDeMorgan2 = $true )
    & ( quantDeMorgan1 = $true )
    & ( vacuousDall = $true )
    & ( emptyE1 = $true )
    & ( upairsetIR = $true )
    & ( upairsetIL = $true )
    & ( upairsetE = $true )
    & ( singletonsswitch = $true )
    & ( eqinunit = $true )
    & ( notinsingleton = $true )
    & ( uniqinunit = $true )
    & ( nonemptyImpWitness = $true )
    & ( exuE2 = $true )
    & ( subPowSU = $true )
    & ( setunionE = $true )
    & ( setunionI = $true )
    & ( powersetE = $true )
    & ( emptyInPowerset = $true )
    & ( emptyinPowerset = $true )
    & ( powersetI = $true )
    & ( setoftrueEq = $true )
    & ( setadjoinOr = $true )
    & ( setadjoinE = $true )
    & ( setadjoinIR = $true )
    & ( emptyinunitempty = $true )
    & ( setadjoinIL = $true )
    & ( nonemptyI1 = $true )
    & ( nonemptyI = $true )
    & ( nonemptyE1 = $true )
    & ( setbeta = $true )
    & ( noeltsimpempty = $true )
    & ( emptyI = $true )
    & ( setext = $true )
    & ( exuE3e = $true )
    & ( notinemptyset = $true )
    & ( emptysetimpfalse = $true )
    & ( emptysetE = $true )
    & ( prop2setE = $true )
    & ( exuE1 = $true )
    & ( dsetconstrER = $true )
    & ( dsetconstrEL = $true )
    & ( dsetconstrI = $true )
    & ( descrp = $true )
    & ( wellorderingAx = $true )
    & ( foundationAx = $true )
    & ( replAx = $true )
    & ( omegaIndAx = $true )
    & ( omegaSAx = $true )
    & ( omega0Ax = $true )
    & ( setunionAx = $true )
    & ( powersetAx = $true )
    & ( setadjoinAx = $true )
    & ( emptysetAx = $true )
    & ( setextAx = $true ) ),
    inference(ennf_transformation,[status(thm)],[f238]) ).

thf(f238,plain,
    ~ ( ( setextAx = $true )
     => ( ( emptysetAx = $true )
       => ( ( setadjoinAx = $true )
         => ( ( powersetAx = $true )
           => ( ( setunionAx = $true )
             => ( ( omega0Ax = $true )
               => ( ( omegaSAx = $true )
                 => ( ( omegaIndAx = $true )
                   => ( ( replAx = $true )
                     => ( ( foundationAx = $true )
                       => ( ( wellorderingAx = $true )
                         => ( ( descrp = $true )
                           => ( ( dsetconstrI = $true )
                             => ( ( dsetconstrEL = $true )
                               => ( ( dsetconstrER = $true )
                                 => ( ( exuE1 = $true )
                                   => ( ( prop2setE = $true )
                                     => ( ( emptysetE = $true )
                                       => ( ( emptysetimpfalse = $true )
                                         => ( ( notinemptyset = $true )
                                           => ( ( exuE3e = $true )
                                             => ( ( setext = $true )
                                               => ( ( emptyI = $true )
                                                 => ( ( noeltsimpempty = $true )
                                                   => ( ( setbeta = $true )
                                                     => ( ( nonemptyE1 = $true )
                                                       => ( ( nonemptyI = $true )
                                                         => ( ( nonemptyI1 = $true )
                                                           => ( ( setadjoinIL = $true )
                                                             => ( ( emptyinunitempty = $true )
                                                               => ( ( setadjoinIR = $true )
                                                                 => ( ( setadjoinE = $true )
                                                                   => ( ( setadjoinOr = $true )
                                                                     => ( ( setoftrueEq = $true )
                                                                       => ( ( powersetI = $true )
                                                                         => ( ( emptyinPowerset = $true )
                                                                           => ( ( emptyInPowerset = $true )
                                                                             => ( ( powersetE = $true )
                                                                               => ( ( setunionI = $true )
                                                                                 => ( ( setunionE = $true )
                                                                                   => ( ( subPowSU = $true )
                                                                                     => ( ( exuE2 = $true )
                                                                                       => ( ( nonemptyImpWitness = $true )
                                                                                         => ( ( uniqinunit = $true )
                                                                                           => ( ( notinsingleton = $true )
                                                                                             => ( ( eqinunit = $true )
                                                                                               => ( ( singletonsswitch = $true )
                                                                                                 => ( ( upairsetE = $true )
                                                                                                   => ( ( upairsetIL = $true )
                                                                                                     => ( ( upairsetIR = $true )
                                                                                                       => ( ( emptyE1 = $true )
                                                                                                         => ( ( vacuousDall = $true )
                                                                                                           => ( ( quantDeMorgan1 = $true )
                                                                                                             => ( ( quantDeMorgan2 = $true )
                                                                                                               => ( ( quantDeMorgan3 = $true )
                                                                                                                 => ( ( quantDeMorgan4 = $true )
                                                                                                                   => ( ( prop2setI = $true )
                                                                                                                     => ( ( prop2set2propI = $true )
                                                                                                                       => ( ( notdexE = $true )
                                                                                                                         => ( ( notdallE = $true )
                                                                                                                           => ( ( exuI1 = $true )
                                                                                                                             => ( ( exuI3 = $true )
                                                                                                                               => ( ( exuI2 = $true )
                                                                                                                                 => ( ( inCongP = $true )
                                                                                                                                   => ( ( in__Cong = $true )
                                                                                                                                     => ( ( exuE3u = $true )
                                                                                                                                       => ( ( exu__Cong = $true )
                                                                                                                                         => ( ( emptyset__Cong = $true )
                                                                                                                                           => ( ( setadjoin__Cong = $true )
                                                                                                                                             => ( ( powerset__Cong = $true )
                                                                                                                                               => ( ( setunion__Cong = $true )
                                                                                                                                                 => ( ( omega__Cong = $true )
                                                                                                                                                   => ( ( exuEu = $true )
                                                                                                                                                     => ( ( descr__Cong = $true )
                                                                                                                                                       => ( ( dsetconstr__Cong = $true )
                                                                                                                                                         => ( ( subsetI1 = $true )
                                                                                                                                                           => ( ( eqimpsubset2 = $true )
                                                                                                                                                             => ( ( eqimpsubset1 = $true )
                                                                                                                                                               => ( ( subsetI2 = $true )
                                                                                                                                                                 => ( ( emptysetsubset = $true )
                                                                                                                                                                   => ! [X0: $i,X1: $i,X2: $i] :
                                                                                                                                                                        ( ( $true
                                                                                                                                                                          = ( subset @ X2 @ X1 ) )
                                                                                                                                                                       => ( ( ( in @ X0 @ X2 )
                                                                                                                                                                            = $true )
                                                                                                                                                                         => ( ( in @ X0 @ X1 )
                                                                                                                                                                            = $true ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f237]) ).

thf(f237,plain,
    ~ ( setextAx
     => ( emptysetAx
       => ( setadjoinAx
         => ( powersetAx
           => ( setunionAx
             => ( omega0Ax
               => ( omegaSAx
                 => ( omegaIndAx
                   => ( replAx
                     => ( foundationAx
                       => ( wellorderingAx
                         => ( descrp
                           => ( dsetconstrI
                             => ( dsetconstrEL
                               => ( dsetconstrER
                                 => ( exuE1
                                   => ( prop2setE
                                     => ( emptysetE
                                       => ( emptysetimpfalse
                                         => ( notinemptyset
                                           => ( exuE3e
                                             => ( setext
                                               => ( emptyI
                                                 => ( noeltsimpempty
                                                   => ( setbeta
                                                     => ( nonemptyE1
                                                       => ( nonemptyI
                                                         => ( nonemptyI1
                                                           => ( setadjoinIL
                                                             => ( emptyinunitempty
                                                               => ( setadjoinIR
                                                                 => ( setadjoinE
                                                                   => ( setadjoinOr
                                                                     => ( setoftrueEq
                                                                       => ( powersetI
                                                                         => ( emptyinPowerset
                                                                           => ( emptyInPowerset
                                                                             => ( powersetE
                                                                               => ( setunionI
                                                                                 => ( setunionE
                                                                                   => ( subPowSU
                                                                                     => ( exuE2
                                                                                       => ( nonemptyImpWitness
                                                                                         => ( uniqinunit
                                                                                           => ( notinsingleton
                                                                                             => ( eqinunit
                                                                                               => ( singletonsswitch
                                                                                                 => ( upairsetE
                                                                                                   => ( upairsetIL
                                                                                                     => ( upairsetIR
                                                                                                       => ( emptyE1
                                                                                                         => ( vacuousDall
                                                                                                           => ( quantDeMorgan1
                                                                                                             => ( quantDeMorgan2
                                                                                                               => ( quantDeMorgan3
                                                                                                                 => ( quantDeMorgan4
                                                                                                                   => ( prop2setI
                                                                                                                     => ( prop2set2propI
                                                                                                                       => ( notdexE
                                                                                                                         => ( notdallE
                                                                                                                           => ( exuI1
                                                                                                                             => ( exuI3
                                                                                                                               => ( exuI2
                                                                                                                                 => ( inCongP
                                                                                                                                   => ( in__Cong
                                                                                                                                     => ( exuE3u
                                                                                                                                       => ( exu__Cong
                                                                                                                                         => ( emptyset__Cong
                                                                                                                                           => ( setadjoin__Cong
                                                                                                                                             => ( powerset__Cong
                                                                                                                                               => ( setunion__Cong
                                                                                                                                                 => ( omega__Cong
                                                                                                                                                   => ( exuEu
                                                                                                                                                     => ( descr__Cong
                                                                                                                                                       => ( dsetconstr__Cong
                                                                                                                                                         => ( subsetI1
                                                                                                                                                           => ( eqimpsubset2
                                                                                                                                                             => ( eqimpsubset1
                                                                                                                                                               => ( subsetI2
                                                                                                                                                                 => ( emptysetsubset
                                                                                                                                                                   => ! [X0: $i,X1: $i,X2: $i] :
                                                                                                                                                                        ( ( subset @ X2 @ X1 )
                                                                                                                                                                       => ( ( in @ X0 @ X2 )
                                                                                                                                                                         => ( in @ X0 @ X1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f85]) ).

thf(f85,negated_conjecture,
    ~ ( setextAx
     => ( emptysetAx
       => ( setadjoinAx
         => ( powersetAx
           => ( setunionAx
             => ( omega0Ax
               => ( omegaSAx
                 => ( omegaIndAx
                   => ( replAx
                     => ( foundationAx
                       => ( wellorderingAx
                         => ( descrp
                           => ( dsetconstrI
                             => ( dsetconstrEL
                               => ( dsetconstrER
                                 => ( exuE1
                                   => ( prop2setE
                                     => ( emptysetE
                                       => ( emptysetimpfalse
                                         => ( notinemptyset
                                           => ( exuE3e
                                             => ( setext
                                               => ( emptyI
                                                 => ( noeltsimpempty
                                                   => ( setbeta
                                                     => ( nonemptyE1
                                                       => ( nonemptyI
                                                         => ( nonemptyI1
                                                           => ( setadjoinIL
                                                             => ( emptyinunitempty
                                                               => ( setadjoinIR
                                                                 => ( setadjoinE
                                                                   => ( setadjoinOr
                                                                     => ( setoftrueEq
                                                                       => ( powersetI
                                                                         => ( emptyinPowerset
                                                                           => ( emptyInPowerset
                                                                             => ( powersetE
                                                                               => ( setunionI
                                                                                 => ( setunionE
                                                                                   => ( subPowSU
                                                                                     => ( exuE2
                                                                                       => ( nonemptyImpWitness
                                                                                         => ( uniqinunit
                                                                                           => ( notinsingleton
                                                                                             => ( eqinunit
                                                                                               => ( singletonsswitch
                                                                                                 => ( upairsetE
                                                                                                   => ( upairsetIL
                                                                                                     => ( upairsetIR
                                                                                                       => ( emptyE1
                                                                                                         => ( vacuousDall
                                                                                                           => ( quantDeMorgan1
                                                                                                             => ( quantDeMorgan2
                                                                                                               => ( quantDeMorgan3
                                                                                                                 => ( quantDeMorgan4
                                                                                                                   => ( prop2setI
                                                                                                                     => ( prop2set2propI
                                                                                                                       => ( notdexE
                                                                                                                         => ( notdallE
                                                                                                                           => ( exuI1
                                                                                                                             => ( exuI3
                                                                                                                               => ( exuI2
                                                                                                                                 => ( inCongP
                                                                                                                                   => ( in__Cong
                                                                                                                                     => ( exuE3u
                                                                                                                                       => ( exu__Cong
                                                                                                                                         => ( emptyset__Cong
                                                                                                                                           => ( setadjoin__Cong
                                                                                                                                             => ( powerset__Cong
                                                                                                                                               => ( setunion__Cong
                                                                                                                                                 => ( omega__Cong
                                                                                                                                                   => ( exuEu
                                                                                                                                                     => ( descr__Cong
                                                                                                                                                       => ( dsetconstr__Cong
                                                                                                                                                         => ( subsetI1
                                                                                                                                                           => ( eqimpsubset2
                                                                                                                                                             => ( eqimpsubset1
                                                                                                                                                               => ( subsetI2
                                                                                                                                                                 => ( emptysetsubset
                                                                                                                                                                   => ! [X1: $i,X4: $i,X3: $i] :
                                                                                                                                                                        ( ( subset @ X3 @ X4 )
                                                                                                                                                                       => ( ( in @ X1 @ X3 )
                                                                                                                                                                         => ( in @ X1 @ X4 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f84]) ).

thf(f84,conjecture,
    ( setextAx
   => ( emptysetAx
     => ( setadjoinAx
       => ( powersetAx
         => ( setunionAx
           => ( omega0Ax
             => ( omegaSAx
               => ( omegaIndAx
                 => ( replAx
                   => ( foundationAx
                     => ( wellorderingAx
                       => ( descrp
                         => ( dsetconstrI
                           => ( dsetconstrEL
                             => ( dsetconstrER
                               => ( exuE1
                                 => ( prop2setE
                                   => ( emptysetE
                                     => ( emptysetimpfalse
                                       => ( notinemptyset
                                         => ( exuE3e
                                           => ( setext
                                             => ( emptyI
                                               => ( noeltsimpempty
                                                 => ( setbeta
                                                   => ( nonemptyE1
                                                     => ( nonemptyI
                                                       => ( nonemptyI1
                                                         => ( setadjoinIL
                                                           => ( emptyinunitempty
                                                             => ( setadjoinIR
                                                               => ( setadjoinE
                                                                 => ( setadjoinOr
                                                                   => ( setoftrueEq
                                                                     => ( powersetI
                                                                       => ( emptyinPowerset
                                                                         => ( emptyInPowerset
                                                                           => ( powersetE
                                                                             => ( setunionI
                                                                               => ( setunionE
                                                                                 => ( subPowSU
                                                                                   => ( exuE2
                                                                                     => ( nonemptyImpWitness
                                                                                       => ( uniqinunit
                                                                                         => ( notinsingleton
                                                                                           => ( eqinunit
                                                                                             => ( singletonsswitch
                                                                                               => ( upairsetE
                                                                                                 => ( upairsetIL
                                                                                                   => ( upairsetIR
                                                                                                     => ( emptyE1
                                                                                                       => ( vacuousDall
                                                                                                         => ( quantDeMorgan1
                                                                                                           => ( quantDeMorgan2
                                                                                                             => ( quantDeMorgan3
                                                                                                               => ( quantDeMorgan4
                                                                                                                 => ( prop2setI
                                                                                                                   => ( prop2set2propI
                                                                                                                     => ( notdexE
                                                                                                                       => ( notdallE
                                                                                                                         => ( exuI1
                                                                                                                           => ( exuI3
                                                                                                                             => ( exuI2
                                                                                                                               => ( inCongP
                                                                                                                                 => ( in__Cong
                                                                                                                                   => ( exuE3u
                                                                                                                                     => ( exu__Cong
                                                                                                                                       => ( emptyset__Cong
                                                                                                                                         => ( setadjoin__Cong
                                                                                                                                           => ( powerset__Cong
                                                                                                                                             => ( setunion__Cong
                                                                                                                                               => ( omega__Cong
                                                                                                                                                 => ( exuEu
                                                                                                                                                   => ( descr__Cong
                                                                                                                                                     => ( dsetconstr__Cong
                                                                                                                                                       => ( subsetI1
                                                                                                                                                         => ( eqimpsubset2
                                                                                                                                                           => ( eqimpsubset1
                                                                                                                                                             => ( subsetI2
                                                                                                                                                               => ( emptysetsubset
                                                                                                                                                                 => ! [X1: $i,X4: $i,X3: $i] :
                                                                                                                                                                      ( ( subset @ X3 @ X4 )
                                                                                                                                                                     => ( ( in @ X1 @ X3 )
                                                                                                                                                                       => ( in @ X1 @ X4 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.zzPQHf08sA/DTF2THF_8823.p',subsetE) ).

thf(f1860,plain,
    ( ( in @ sK120 @ sK121 )
    = $true ),
    inference(trivial_inequality_removal,[status(thm)],[f1844]) ).

thf(f1844,plain,
    ( ( ( in @ sK120 @ sK121 )
      = $true )
    | ( $true = $false ) ),
    inference(superposition,[status(thm)],[f937,f1641]) ).

thf(f1641,plain,
    ! [X1: $i] :
      ( ( ( in @ X1 @ sK122 )
        = $false )
      | ( ( in @ X1 @ sK121 )
        = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f1640]) ).

thf(f1640,plain,
    ! [X1: $i] :
      ( ( ( in @ X1 @ sK122 )
       => ( in @ X1 @ sK121 ) )
      = $true ),
    inference(beta_eta_normalization,[status(thm)],[f1639]) ).

thf(f1639,plain,
    ! [X1: $i] :
      ( ( ^ [Y0: $i] :
            ( ( in @ Y0 @ sK122 )
           => ( in @ Y0 @ sK121 ) )
        @ X1 )
      = $true ),
    inference(pi_clausification,[status(thm)],[f1638]) ).

thf(f1638,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( in @ Y0 @ sK122 )
         => ( in @ Y0 @ sK121 ) ) )
    = $true ),
    inference(beta_eta_normalization,[status(thm)],[f1350]) ).

thf(f1350,plain,
    ( $true
    = ( ^ [Y0: $i,Y1: $i] :
          ( !! @ $i
          @ ^ [Y2: $i] :
              ( ( in @ Y2 @ Y0 )
             => ( in @ Y2 @ Y1 ) ) )
      @ sK122
      @ sK121 ) ),
    inference(definition_unfolding,[status(thm)],[f936,f1154]) ).

thf(f1154,plain,
    ( subset
    = ( ^ [Y0: $i,Y1: $i] :
          ( !! @ $i
          @ ^ [Y2: $i] :
              ( ( in @ Y2 @ Y0 )
             => ( in @ Y2 @ Y1 ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f100]) ).

thf(f100,plain,
    ( subset
    = ( ^ [Y0: $i,Y1: $i] :
          ( !! @ $i
          @ ^ [Y2: $i] :
              ( ( in @ Y2 @ Y0 )
             => ( in @ Y2 @ Y1 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f99]) ).

thf(f99,plain,
    ( subset
    = ( ^ [X0: $i,X1: $i] :
        ! [X2: $i] :
          ( ( in @ X2 @ X0 )
         => ( in @ X2 @ X1 ) ) ) ),
    inference(rectify,[status(thm)],[f78]) ).

thf(f78,axiom,
    ( subset
    = ( ^ [X3: $i,X4: $i] :
        ! [X1: $i] :
          ( ( in @ X1 @ X3 )
         => ( in @ X1 @ X4 ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.zzPQHf08sA/DTF2THF_8823.p',subset) ).

thf(f936,plain,
    ( ( subset @ sK122 @ sK121 )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f563]) ).

thf(f937,plain,
    ( ( in @ sK120 @ sK122 )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f563]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU564^1 : TPTP v9.2.1. Released v3.7.0.
% 0.11/0.13  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.18/0.34  % Computer : n009.cluster.edu
% 0.18/0.34  % Model    : x86_64 x86_64
% 0.18/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.34  % Memory   : 8042.1875MB
% 0.18/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.18/0.34  % CPULimit : 300
% 0.18/0.34  % WCLimit  : 300
% 0.18/0.34  % DateTime : Tue Feb 24 12:26:55 EST 2026
% 0.18/0.34  % CPUTime  : 
% 0.18/0.34  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.30/0.46  ---- Original DTF file ---
% 0.30/0.46  thf(spec,logic,$$dhol).
% 0.30/0.46  %------------------------------------------------------------------------------
% 0.30/0.46  % File     : SEU564^1 : TPTP v9.2.1. Released v3.7.0.
% 0.30/0.46  % Domain   : Set Theory
% 0.30/0.46  % Problem  : Preliminary Notions - Relations on Sets - Subsets
% 0.30/0.46  % Version  : Especial.
% 0.30/0.46  % English  : (! A:i.! B:i.! x:i.subset A B -> in x A -> in x B)
% 0.30/0.46  
% 0.30/0.46  % Refs     : [Bro08] Brown (2008), Email to G. Sutcliffe
% 0.30/0.46  % Source   : [Bro08]
% 0.30/0.46  % Names    : ZFC066g [Bro08]
% 0.30/0.46  
% 0.30/0.46  % Status   : Theorem
% 0.30/0.46  % Rating   : 0.22 v9.1.0, 0.25 v9.0.0, 0.30 v8.2.0, 0.31 v8.1.0, 0.09 v7.5.0, 0.00 v7.4.0, 0.11 v7.2.0, 0.00 v7.1.0, 0.25 v7.0.0, 0.14 v6.4.0, 0.17 v6.3.0, 0.20 v6.2.0, 0.14 v6.1.0, 0.29 v5.5.0, 0.33 v5.4.0, 0.40 v5.1.0, 0.60 v4.1.0, 0.67 v3.7.0
% 0.30/0.46  % Syntax   : Number of formulae    :  179 (  83 unt;  95 typ;  83 def)
% 0.30/0.46  %            Number of atoms       :  454 ( 128 equ;   0 cnn)
% 0.30/0.46  %            Maximal formula atoms :   83 (   5 avg)
% 0.30/0.46  %            Number of connectives :  723 (  21   ~;   5   |;  27   &; 448   @)
% 0.30/0.46  %                                         (  14 <=>; 208  =>;   0  <=;   0 <~>)
% 0.30/0.46  %            Maximal formula depth :   88 (   2 avg)
% 0.30/0.46  %            Number of types       :    2 (   0 usr)
% 0.30/0.46  %            Number of type conns  :   53 (  53   >;   0   *;   0   +;   0  <<)
% 0.30/0.46  %            Number of symbols     :   98 (  95 usr;  84 con; 0-2 aty)
% 0.30/0.46  %            Number of variables   :  259 (  30   ^; 201   !;  28   ?; 259   :)
% 0.30/0.46  % SPC      : TH0_THM_EQU_NAR
% 0.30/0.46  
% 0.30/0.46  % Comments : http://mathgate.info/detsetitem.php?id=152
% 0.30/0.46  %------------------------------------------------------------------------------
% 0.30/0.46  thf(in_type,type,
% 0.30/0.46      in: $i > $i > $o ).
% 0.30/0.46  
% 0.30/0.46  thf(exu_type,type,
% 0.30/0.46      exu: ( $i > $o ) > $o ).
% 0.30/0.46  
% 0.30/0.46  thf(exu,definition,
% 0.30/0.46      ( exu
% 0.30/0.46      = ( ^ [Xphi: $i > $o] :
% 0.30/0.46          ? [Xx: $i] :
% 0.30/0.46            ( ( Xphi @ Xx )
% 0.30/0.46            & ! [Xy: $i] :
% 0.30/0.46                ( ( Xphi @ Xy )
% 0.30/0.46               => ( Xx = Xy ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setextAx_type,type,
% 0.30/0.46      setextAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setextAx,definition,
% 0.30/0.46      ( setextAx
% 0.30/0.46      = ( ! [A: $i,B: $i] :
% 0.30/0.46            ( ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46              <=> ( in @ Xx @ B ) )
% 0.30/0.46           => ( A = B ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyset_type,type,
% 0.30/0.46      emptyset: $i ).
% 0.30/0.46  
% 0.30/0.46  thf(emptysetAx_type,type,
% 0.30/0.46      emptysetAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(emptysetAx,definition,
% 0.30/0.46      ( emptysetAx
% 0.30/0.46      = ( ! [Xx: $i] :
% 0.30/0.46            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoin_type,type,
% 0.30/0.46      setadjoin: $i > $i > $i ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinAx_type,type,
% 0.30/0.46      setadjoinAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinAx,definition,
% 0.30/0.46      ( setadjoinAx
% 0.30/0.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.30/0.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.30/0.46          <=> ( ( Xy = Xx )
% 0.30/0.46              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(powerset_type,type,
% 0.30/0.46      powerset: $i > $i ).
% 0.30/0.46  
% 0.30/0.46  thf(powersetAx_type,type,
% 0.30/0.46      powersetAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(powersetAx,definition,
% 0.30/0.46      ( powersetAx
% 0.30/0.46      = ( ! [A: $i,B: $i] :
% 0.30/0.46            ( ( in @ B @ ( powerset @ A ) )
% 0.30/0.46          <=> ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ B )
% 0.30/0.46               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setunion_type,type,
% 0.30/0.46      setunion: $i > $i ).
% 0.30/0.46  
% 0.30/0.46  thf(setunionAx_type,type,
% 0.30/0.46      setunionAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setunionAx,definition,
% 0.30/0.46      ( setunionAx
% 0.30/0.46      = ( ! [A: $i,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ ( setunion @ A ) )
% 0.30/0.46          <=> ? [B: $i] :
% 0.30/0.46                ( ( in @ Xx @ B )
% 0.30/0.46                & ( in @ B @ A ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(omega_type,type,
% 0.30/0.46      omega: $i ).
% 0.30/0.46  
% 0.30/0.46  thf(omega0Ax_type,type,
% 0.30/0.46      omega0Ax: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(omega0Ax,definition,
% 0.30/0.46      ( omega0Ax
% 0.30/0.46      = ( in @ emptyset @ omega ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(omegaSAx_type,type,
% 0.30/0.46      omegaSAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(omegaSAx,definition,
% 0.30/0.46      ( omegaSAx
% 0.30/0.46      = ( ! [Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ omega )
% 0.30/0.46           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(omegaIndAx_type,type,
% 0.30/0.46      omegaIndAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(omegaIndAx,definition,
% 0.30/0.46      ( omegaIndAx
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46            ( ( ( in @ emptyset @ A )
% 0.30/0.46              & ! [Xx: $i] :
% 0.30/0.46                  ( ( ( in @ Xx @ omega )
% 0.30/0.46                    & ( in @ Xx @ A ) )
% 0.30/0.46                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 0.30/0.46           => ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ omega )
% 0.30/0.46               => ( in @ Xx @ A ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(replAx_type,type,
% 0.30/0.46      replAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(replAx,definition,
% 0.30/0.46      ( replAx
% 0.30/0.46      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 0.30/0.46            ( ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46               => ( exu
% 0.30/0.46                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 0.30/0.46           => ? [B: $i] :
% 0.30/0.46              ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ B )
% 0.30/0.46              <=> ? [Xy: $i] :
% 0.30/0.46                    ( ( in @ Xy @ A )
% 0.30/0.46                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(foundationAx_type,type,
% 0.30/0.46      foundationAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(foundationAx,definition,
% 0.30/0.46      ( foundationAx
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.30/0.46           => ? [B: $i] :
% 0.30/0.46                ( ( in @ B @ A )
% 0.30/0.46                & ~ ? [Xx: $i] :
% 0.30/0.46                      ( ( in @ Xx @ B )
% 0.30/0.46                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(wellorderingAx_type,type,
% 0.30/0.46      wellorderingAx: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(wellorderingAx,definition,
% 0.30/0.46      ( wellorderingAx
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46          ? [B: $i] :
% 0.30/0.46            ( ! [C: $i] :
% 0.30/0.46                ( ( in @ C @ B )
% 0.30/0.46               => ! [Xx: $i] :
% 0.30/0.46                    ( ( in @ Xx @ C )
% 0.30/0.46                   => ( in @ Xx @ A ) ) )
% 0.30/0.46            & ! [Xx: $i,Xy: $i] :
% 0.30/0.46                ( ( ( in @ Xx @ A )
% 0.30/0.46                  & ( in @ Xy @ A ) )
% 0.30/0.46               => ( ! [C: $i] :
% 0.30/0.46                      ( ( in @ C @ B )
% 0.30/0.46                     => ( ( in @ Xx @ C )
% 0.30/0.46                      <=> ( in @ Xy @ C ) ) )
% 0.30/0.46                 => ( Xx = Xy ) ) )
% 0.30/0.46            & ! [C: $i,D: $i] :
% 0.30/0.46                ( ( ( in @ C @ B )
% 0.30/0.46                  & ( in @ D @ B ) )
% 0.30/0.46               => ( ! [Xx: $i] :
% 0.30/0.46                      ( ( in @ Xx @ C )
% 0.30/0.46                     => ( in @ Xx @ D ) )
% 0.30/0.46                  | ! [Xx: $i] :
% 0.30/0.46                      ( ( in @ Xx @ D )
% 0.30/0.46                     => ( in @ Xx @ C ) ) ) )
% 0.30/0.46            & ! [C: $i] :
% 0.30/0.46                ( ( ! [Xx: $i] :
% 0.30/0.46                      ( ( in @ Xx @ C )
% 0.30/0.46                     => ( in @ Xx @ A ) )
% 0.30/0.46                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 0.30/0.46               => ? [D: $i,Xx: $i] :
% 0.30/0.46                    ( ( in @ D @ B )
% 0.30/0.46                    & ( in @ Xx @ C )
% 0.30/0.46                    & ~ ? [Xy: $i] :
% 0.30/0.46                          ( ( in @ Xy @ D )
% 0.30/0.46                          & ( in @ Xy @ C ) )
% 0.30/0.46                    & ! [E: $i] :
% 0.30/0.46                        ( ( in @ E @ B )
% 0.30/0.46                       => ( ! [Xy: $i] :
% 0.30/0.46                              ( ( in @ Xy @ E )
% 0.30/0.46                             => ( in @ Xy @ D ) )
% 0.30/0.46                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(descr_type,type,
% 0.30/0.46      descr: ( $i > $o ) > $i ).
% 0.30/0.46  
% 0.30/0.46  thf(descrp_type,type,
% 0.30/0.46      descrp: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(descrp,definition,
% 0.30/0.46      ( descrp
% 0.30/0.46      = ( ! [Xphi: $i > $o] :
% 0.30/0.46            ( ( exu
% 0.30/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.46           => ( Xphi
% 0.30/0.46              @ ( descr
% 0.30/0.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(dsetconstr_type,type,
% 0.30/0.46      dsetconstr: $i > ( $i > $o ) > $i ).
% 0.30/0.46  
% 0.30/0.46  thf(dsetconstrI_type,type,
% 0.30/0.46      dsetconstrI: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(dsetconstrI,definition,
% 0.30/0.46      ( dsetconstrI
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ A )
% 0.30/0.46           => ( ( Xphi @ Xx )
% 0.30/0.46             => ( in @ Xx
% 0.30/0.46                @ ( dsetconstr @ A
% 0.30/0.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(dsetconstrEL_type,type,
% 0.30/0.46      dsetconstrEL: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(dsetconstrEL,definition,
% 0.30/0.46      ( dsetconstrEL
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx
% 0.30/0.46              @ ( dsetconstr @ A
% 0.30/0.46                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.30/0.46           => ( in @ Xx @ A ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(dsetconstrER_type,type,
% 0.30/0.46      dsetconstrER: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(dsetconstrER,definition,
% 0.30/0.46      ( dsetconstrER
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx
% 0.30/0.46              @ ( dsetconstr @ A
% 0.30/0.46                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.30/0.46           => ( Xphi @ Xx ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(exuE1_type,type,
% 0.30/0.46      exuE1: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(exuE1,definition,
% 0.30/0.46      ( exuE1
% 0.30/0.46      = ( ! [Xphi: $i > $o] :
% 0.30/0.46            ( ( exu
% 0.30/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.46           => ? [Xx: $i] :
% 0.30/0.46                ( ( Xphi @ Xx )
% 0.30/0.46                & ! [Xy: $i] :
% 0.30/0.46                    ( ( Xphi @ Xy )
% 0.30/0.46                   => ( Xx = Xy ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(prop2set_type,type,
% 0.30/0.46      prop2set: $o > $i ).
% 0.30/0.46  
% 0.30/0.46  thf(prop2setE_type,type,
% 0.30/0.46      prop2setE: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(prop2setE,definition,
% 0.30/0.46      ( prop2setE
% 0.30/0.46      = ( ! [Xphi: $o,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 0.30/0.46           => Xphi ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(emptysetE_type,type,
% 0.30/0.46      emptysetE: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(emptysetE,definition,
% 0.30/0.46      ( emptysetE
% 0.30/0.46      = ( ! [Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ emptyset )
% 0.30/0.46           => ! [Xphi: $o] : Xphi ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(emptysetimpfalse_type,type,
% 0.30/0.46      emptysetimpfalse: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(emptysetimpfalse,definition,
% 0.30/0.46      ( emptysetimpfalse
% 0.30/0.46      = ( ! [Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ emptyset )
% 0.30/0.46           => $false ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(notinemptyset_type,type,
% 0.30/0.46      notinemptyset: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(notinemptyset,definition,
% 0.30/0.46      ( notinemptyset
% 0.30/0.46      = ( ! [Xx: $i] :
% 0.30/0.46            ~ ( in @ Xx @ emptyset ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(exuE3e_type,type,
% 0.30/0.46      exuE3e: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(exuE3e,definition,
% 0.30/0.46      ( exuE3e
% 0.30/0.46      = ( ! [Xphi: $i > $o] :
% 0.30/0.46            ( ( exu
% 0.30/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.46           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setext_type,type,
% 0.30/0.46      setext: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setext,definition,
% 0.30/0.46      ( setext
% 0.30/0.46      = ( ! [A: $i,B: $i] :
% 0.30/0.46            ( ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46               => ( in @ Xx @ B ) )
% 0.30/0.46           => ( ! [Xx: $i] :
% 0.30/0.46                  ( ( in @ Xx @ B )
% 0.30/0.46                 => ( in @ Xx @ A ) )
% 0.30/0.46             => ( A = B ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyI_type,type,
% 0.30/0.46      emptyI: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyI,definition,
% 0.30/0.46      ( emptyI
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46            ( ! [Xx: $i] :
% 0.30/0.46                ~ ( in @ Xx @ A )
% 0.30/0.46           => ( A = emptyset ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(noeltsimpempty_type,type,
% 0.30/0.46      noeltsimpempty: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(noeltsimpempty,definition,
% 0.30/0.46      ( noeltsimpempty
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46            ( ! [Xx: $i] :
% 0.30/0.46                ~ ( in @ Xx @ A )
% 0.30/0.46           => ( A = emptyset ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setbeta_type,type,
% 0.30/0.46      setbeta: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setbeta,definition,
% 0.30/0.46      ( setbeta
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ A )
% 0.30/0.46           => ( ( in @ Xx
% 0.30/0.46                @ ( dsetconstr @ A
% 0.30/0.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 0.30/0.46            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(nonempty_type,type,
% 0.30/0.46      nonempty: $i > $o ).
% 0.30/0.46  
% 0.30/0.46  thf(nonempty,definition,
% 0.30/0.46      ( nonempty
% 0.30/0.46      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(nonemptyE1_type,type,
% 0.30/0.46      nonemptyE1: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(nonemptyE1,definition,
% 0.30/0.46      ( nonemptyE1
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46            ( ( nonempty @ A )
% 0.30/0.46           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(nonemptyI_type,type,
% 0.30/0.46      nonemptyI: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(nonemptyI,definition,
% 0.30/0.46      ( nonemptyI
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ A )
% 0.30/0.46           => ( ( Xphi @ Xx )
% 0.30/0.46             => ( nonempty
% 0.30/0.46                @ ( dsetconstr @ A
% 0.30/0.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(nonemptyI1_type,type,
% 0.30/0.46      nonemptyI1: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(nonemptyI1,definition,
% 0.30/0.46      ( nonemptyI1
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46            ( ? [Xx: $i] : ( in @ Xx @ A )
% 0.30/0.46           => ( nonempty @ A ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinIL_type,type,
% 0.30/0.46      setadjoinIL: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinIL,definition,
% 0.30/0.46      ( setadjoinIL
% 0.30/0.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyinunitempty_type,type,
% 0.30/0.46      emptyinunitempty: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyinunitempty,definition,
% 0.30/0.46      ( emptyinunitempty
% 0.30/0.46      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinIR_type,type,
% 0.30/0.46      setadjoinIR: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinIR,definition,
% 0.30/0.46      ( setadjoinIR
% 0.30/0.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.30/0.46            ( ( in @ Xy @ A )
% 0.30/0.46           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinE_type,type,
% 0.30/0.46      setadjoinE: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinE,definition,
% 0.30/0.46      ( setadjoinE
% 0.30/0.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.30/0.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.30/0.46           => ! [Xphi: $o] :
% 0.30/0.46                ( ( ( Xy = Xx )
% 0.30/0.46                 => Xphi )
% 0.30/0.46               => ( ( ( in @ Xy @ A )
% 0.30/0.46                   => Xphi )
% 0.30/0.46                 => Xphi ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinOr_type,type,
% 0.30/0.46      setadjoinOr: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setadjoinOr,definition,
% 0.30/0.46      ( setadjoinOr
% 0.30/0.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 0.30/0.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 0.30/0.46           => ( ( Xy = Xx )
% 0.30/0.46              | ( in @ Xy @ A ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setoftrueEq_type,type,
% 0.30/0.46      setoftrueEq: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setoftrueEq,definition,
% 0.30/0.46      ( setoftrueEq
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46            ( ( dsetconstr @ A
% 0.30/0.46              @ ^ [Xx: $i] : $true )
% 0.30/0.46            = A ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(powersetI_type,type,
% 0.30/0.46      powersetI: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(powersetI,definition,
% 0.30/0.46      ( powersetI
% 0.30/0.46      = ( ! [A: $i,B: $i] :
% 0.30/0.46            ( ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ B )
% 0.30/0.46               => ( in @ Xx @ A ) )
% 0.30/0.46           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyinPowerset_type,type,
% 0.30/0.46      emptyinPowerset: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyinPowerset,definition,
% 0.30/0.46      ( emptyinPowerset
% 0.30/0.46      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyInPowerset_type,type,
% 0.30/0.46      emptyInPowerset: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyInPowerset,definition,
% 0.30/0.46      ( emptyInPowerset
% 0.30/0.46      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(powersetE_type,type,
% 0.30/0.46      powersetE: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(powersetE,definition,
% 0.30/0.46      ( powersetE
% 0.30/0.46      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.30/0.46            ( ( in @ B @ ( powerset @ A ) )
% 0.30/0.46           => ( ( in @ Xx @ B )
% 0.30/0.46             => ( in @ Xx @ A ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setunionI_type,type,
% 0.30/0.46      setunionI: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setunionI,definition,
% 0.30/0.46      ( setunionI
% 0.30/0.46      = ( ! [A: $i,Xx: $i,B: $i] :
% 0.30/0.46            ( ( in @ Xx @ B )
% 0.30/0.46           => ( ( in @ B @ A )
% 0.30/0.46             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(setunionE_type,type,
% 0.30/0.46      setunionE: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(setunionE,definition,
% 0.30/0.46      ( setunionE
% 0.30/0.46      = ( ! [A: $i,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ ( setunion @ A ) )
% 0.30/0.46           => ! [Xphi: $o] :
% 0.30/0.46                ( ! [B: $i] :
% 0.30/0.46                    ( ( in @ Xx @ B )
% 0.30/0.46                   => ( ( in @ B @ A )
% 0.30/0.46                     => Xphi ) )
% 0.30/0.46               => Xphi ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(subPowSU_type,type,
% 0.30/0.46      subPowSU: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(subPowSU,definition,
% 0.30/0.46      ( subPowSU
% 0.30/0.46      = ( ! [A: $i,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ A )
% 0.30/0.46           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(exuE2_type,type,
% 0.30/0.46      exuE2: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(exuE2,definition,
% 0.30/0.46      ( exuE2
% 0.30/0.46      = ( ! [Xphi: $i > $o] :
% 0.30/0.46            ( ( exu
% 0.30/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.46           => ? [Xx: $i] :
% 0.30/0.46              ! [Xy: $i] :
% 0.30/0.46                ( ( Xphi @ Xy )
% 0.30/0.46              <=> ( Xy = Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(nonemptyImpWitness_type,type,
% 0.30/0.46      nonemptyImpWitness: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(nonemptyImpWitness,definition,
% 0.30/0.46      ( nonemptyImpWitness
% 0.30/0.46      = ( ! [A: $i] :
% 0.30/0.46            ( ( nonempty @ A )
% 0.30/0.46           => ? [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46                & $true ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(uniqinunit_type,type,
% 0.30/0.46      uniqinunit: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(uniqinunit,definition,
% 0.30/0.46      ( uniqinunit
% 0.30/0.46      = ( ! [Xx: $i,Xy: $i] :
% 0.30/0.46            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.30/0.46           => ( Xx = Xy ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(notinsingleton_type,type,
% 0.30/0.46      notinsingleton: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(notinsingleton,definition,
% 0.30/0.46      ( notinsingleton
% 0.30/0.46      = ( ! [Xx: $i,Xy: $i] :
% 0.30/0.46            ( ( Xx != Xy )
% 0.30/0.46           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(eqinunit_type,type,
% 0.30/0.46      eqinunit: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(eqinunit,definition,
% 0.30/0.46      ( eqinunit
% 0.30/0.46      = ( ! [Xx: $i,Xy: $i] :
% 0.30/0.46            ( ( Xx = Xy )
% 0.30/0.46           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(singletonsswitch_type,type,
% 0.30/0.46      singletonsswitch: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(singletonsswitch,definition,
% 0.30/0.46      ( singletonsswitch
% 0.30/0.46      = ( ! [Xx: $i,Xy: $i] :
% 0.30/0.46            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 0.30/0.46           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(upairsetE_type,type,
% 0.30/0.46      upairsetE: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(upairsetE,definition,
% 0.30/0.46      ( upairsetE
% 0.30/0.46      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 0.30/0.46            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 0.30/0.46           => ( ( Xz = Xx )
% 0.30/0.46              | ( Xz = Xy ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(upairsetIL_type,type,
% 0.30/0.46      upairsetIL: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(upairsetIL,definition,
% 0.30/0.46      ( upairsetIL
% 0.30/0.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(upairsetIR_type,type,
% 0.30/0.46      upairsetIR: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(upairsetIR,definition,
% 0.30/0.46      ( upairsetIR
% 0.30/0.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyE1_type,type,
% 0.30/0.46      emptyE1: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(emptyE1,definition,
% 0.30/0.46      ( emptyE1
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o] :
% 0.30/0.46            ( ? [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46                & ( Xphi @ Xx ) )
% 0.30/0.46           => ( ( ( dsetconstr @ A
% 0.30/0.46                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.46                = emptyset )
% 0.30/0.46             => $false ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(vacuousDall_type,type,
% 0.30/0.46      vacuousDall: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(vacuousDall,definition,
% 0.30/0.46      ( vacuousDall
% 0.30/0.46      = ( ! [Xphi: $i > $o,Xx: $i] :
% 0.30/0.46            ( ( in @ Xx @ emptyset )
% 0.30/0.46           => ( Xphi @ Xx ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(quantDeMorgan1_type,type,
% 0.30/0.46      quantDeMorgan1: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(quantDeMorgan1,definition,
% 0.30/0.46      ( quantDeMorgan1
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o] :
% 0.30/0.46            ( ~ ! [Xx: $i] :
% 0.30/0.46                  ( ( in @ Xx @ A )
% 0.30/0.46                 => ( Xphi @ Xx ) )
% 0.30/0.46           => ? [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(quantDeMorgan2_type,type,
% 0.30/0.46      quantDeMorgan2: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(quantDeMorgan2,definition,
% 0.30/0.46      ( quantDeMorgan2
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o] :
% 0.30/0.46            ( ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46               => ~ ( Xphi @ Xx ) )
% 0.30/0.46           => ~ ? [Xx: $i] :
% 0.30/0.46                  ( ( in @ Xx @ A )
% 0.30/0.46                  & ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(quantDeMorgan3_type,type,
% 0.30/0.46      quantDeMorgan3: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(quantDeMorgan3,definition,
% 0.30/0.46      ( quantDeMorgan3
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o] :
% 0.30/0.46            ( ~ ? [Xx: $i] :
% 0.30/0.46                  ( ( in @ Xx @ A )
% 0.30/0.46                  & ( Xphi @ Xx ) )
% 0.30/0.46           => ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(quantDeMorgan4_type,type,
% 0.30/0.46      quantDeMorgan4: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(quantDeMorgan4,definition,
% 0.30/0.46      ( quantDeMorgan4
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o] :
% 0.30/0.46            ( ? [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46                & ~ ( Xphi @ Xx ) )
% 0.30/0.46           => ~ ! [Xx: $i] :
% 0.30/0.46                  ( ( in @ Xx @ A )
% 0.30/0.46                 => ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(prop2setI_type,type,
% 0.30/0.46      prop2setI: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(prop2setI,definition,
% 0.30/0.46      ( prop2setI
% 0.30/0.46      = ( ! [Xphi: $o] :
% 0.30/0.46            ( Xphi
% 0.30/0.46           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(set2prop_type,type,
% 0.30/0.46      set2prop: $i > $o ).
% 0.30/0.46  
% 0.30/0.46  thf(prop2set2propI_type,type,
% 0.30/0.46      prop2set2propI: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(prop2set2propI,definition,
% 0.30/0.46      ( prop2set2propI
% 0.30/0.46      = ( ! [Xphi: $o] :
% 0.30/0.46            ( Xphi
% 0.30/0.46           => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(notdexE_type,type,
% 0.30/0.46      notdexE: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(notdexE,definition,
% 0.30/0.46      ( notdexE
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o] :
% 0.30/0.46            ( ~ ? [Xx: $i] :
% 0.30/0.46                  ( ( in @ Xx @ A )
% 0.30/0.46                  & ( Xphi @ Xx ) )
% 0.30/0.46           => ! [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(notdallE_type,type,
% 0.30/0.46      notdallE: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(notdallE,definition,
% 0.30/0.46      ( notdallE
% 0.30/0.46      = ( ! [A: $i,Xphi: $i > $o] :
% 0.30/0.46            ( ~ ! [Xx: $i] :
% 0.30/0.46                  ( ( in @ Xx @ A )
% 0.30/0.46                 => ( Xphi @ Xx ) )
% 0.30/0.46           => ? [Xx: $i] :
% 0.30/0.46                ( ( in @ Xx @ A )
% 0.30/0.46                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(exuI1_type,type,
% 0.30/0.46      exuI1: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(exuI1,definition,
% 0.30/0.46      ( exuI1
% 0.30/0.46      = ( ! [Xphi: $i > $o] :
% 0.30/0.46            ( ? [Xx: $i] :
% 0.30/0.46                ( ( Xphi @ Xx )
% 0.30/0.46                & ! [Xy: $i] :
% 0.30/0.46                    ( ( Xphi @ Xy )
% 0.30/0.46                   => ( Xx = Xy ) ) )
% 0.30/0.46           => ( exu
% 0.30/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(exuI3_type,type,
% 0.30/0.46      exuI3: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(exuI3,definition,
% 0.30/0.46      ( exuI3
% 0.30/0.46      = ( ! [Xphi: $i > $o] :
% 0.30/0.46            ( ? [Xx: $i] : ( Xphi @ Xx )
% 0.30/0.46           => ( ! [Xx: $i,Xy: $i] :
% 0.30/0.46                  ( ( Xphi @ Xx )
% 0.30/0.46                 => ( ( Xphi @ Xy )
% 0.30/0.46                   => ( Xx = Xy ) ) )
% 0.30/0.46             => ( exu
% 0.30/0.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(exuI2_type,type,
% 0.30/0.46      exuI2: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(exuI2,definition,
% 0.30/0.46      ( exuI2
% 0.30/0.46      = ( ! [Xphi: $i > $o] :
% 0.30/0.46            ( ? [Xx: $i] :
% 0.30/0.46              ! [Xy: $i] :
% 0.30/0.46                ( ( Xphi @ Xy )
% 0.30/0.46              <=> ( Xy = Xx ) )
% 0.30/0.46           => ( exu
% 0.30/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(inCongP_type,type,
% 0.30/0.46      inCongP: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(inCongP,definition,
% 0.30/0.46      ( inCongP
% 0.30/0.46      = ( ! [A: $i,B: $i] :
% 0.30/0.46            ( ( A = B )
% 0.30/0.46           => ! [Xx: $i,Xy: $i] :
% 0.30/0.46                ( ( Xx = Xy )
% 0.30/0.46               => ( ( in @ Xx @ A )
% 0.30/0.46                 => ( in @ Xy @ B ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(in__Cong_type,type,
% 0.30/0.46      in__Cong: $o ).
% 0.30/0.46  
% 0.30/0.46  thf(in__Cong,definition,
% 0.30/0.46      ( in__Cong
% 0.30/0.46      = ( ! [A: $i,B: $i] :
% 0.30/0.46            ( ( A = B )
% 0.30/0.46           => ! [Xx: $i,Xy: $i] :
% 0.30/0.46                ( ( Xx = Xy )
% 0.30/0.46               => ( ( in @ Xx @ A )
% 0.30/0.46                <=> ( in @ Xy @ B ) ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  thf(exuE3u_type,type,
% 0.30/0.47      exuE3u: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(exuE3u,definition,
% 0.30/0.47      ( exuE3u
% 0.30/0.47      = ( ! [Xphi: $i > $o] :
% 0.30/0.47            ( ( exu
% 0.30/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.47           => ! [Xx: $i,Xy: $i] :
% 0.30/0.47                ( ( Xphi @ Xx )
% 0.30/0.47               => ( ( Xphi @ Xy )
% 0.30/0.47                 => ( Xx = Xy ) ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(exu__Cong_type,type,
% 0.30/0.47      exu__Cong: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(exu__Cong,definition,
% 0.30/0.47      ( exu__Cong
% 0.30/0.47      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 0.30/0.47            ( ! [Xx: $i,Xy: $i] :
% 0.30/0.47                ( ( Xx = Xy )
% 0.30/0.47               => ( ( Xphi @ Xx )
% 0.30/0.47                <=> ( Xpsi @ Xy ) ) )
% 0.30/0.47           => ( ( exu
% 0.30/0.47                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.47            <=> ( exu
% 0.30/0.47                @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(emptyset__Cong_type,type,
% 0.30/0.47      emptyset__Cong: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(emptyset__Cong,definition,
% 0.30/0.47      ( emptyset__Cong
% 0.30/0.47      = ( emptyset = emptyset ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(setadjoin__Cong_type,type,
% 0.30/0.47      setadjoin__Cong: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(setadjoin__Cong,definition,
% 0.30/0.47      ( setadjoin__Cong
% 0.30/0.47      = ( ! [Xx: $i,Xy: $i] :
% 0.30/0.47            ( ( Xx = Xy )
% 0.30/0.47           => ! [Xz: $i,Xu: $i] :
% 0.30/0.47                ( ( Xz = Xu )
% 0.30/0.47               => ( ( setadjoin @ Xx @ Xz )
% 0.30/0.47                  = ( setadjoin @ Xy @ Xu ) ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(powerset__Cong_type,type,
% 0.30/0.47      powerset__Cong: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(powerset__Cong,definition,
% 0.30/0.47      ( powerset__Cong
% 0.30/0.47      = ( ! [A: $i,B: $i] :
% 0.30/0.47            ( ( A = B )
% 0.30/0.47           => ( ( powerset @ A )
% 0.30/0.47              = ( powerset @ B ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(setunion__Cong_type,type,
% 0.30/0.47      setunion__Cong: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(setunion__Cong,definition,
% 0.30/0.47      ( setunion__Cong
% 0.30/0.47      = ( ! [A: $i,B: $i] :
% 0.30/0.47            ( ( A = B )
% 0.30/0.47           => ( ( setunion @ A )
% 0.30/0.47              = ( setunion @ B ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(omega__Cong_type,type,
% 0.30/0.47      omega__Cong: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(omega__Cong,definition,
% 0.30/0.47      ( omega__Cong
% 0.30/0.47      = ( omega = omega ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(exuEu_type,type,
% 0.30/0.47      exuEu: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(exuEu,definition,
% 0.30/0.47      ( exuEu
% 0.30/0.47      = ( ! [Xphi: $i > $o] :
% 0.30/0.47            ( ( exu
% 0.30/0.47              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.47           => ! [Xx: $i,Xy: $i] :
% 0.30/0.47                ( ( Xphi @ Xx )
% 0.30/0.47               => ( ( Xphi @ Xy )
% 0.30/0.47                 => ( Xx = Xy ) ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(descr__Cong_type,type,
% 0.30/0.47      descr__Cong: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(descr__Cong,definition,
% 0.30/0.47      ( descr__Cong
% 0.30/0.47      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 0.30/0.47            ( ! [Xx: $i,Xy: $i] :
% 0.30/0.47                ( ( Xx = Xy )
% 0.30/0.47               => ( ( Xphi @ Xx )
% 0.30/0.47                <=> ( Xpsi @ Xy ) ) )
% 0.30/0.47           => ( ( exu
% 0.30/0.47                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.47             => ( ( exu
% 0.30/0.47                  @ ^ [Xx: $i] : ( Xpsi @ Xx ) )
% 0.30/0.47               => ( ( descr
% 0.30/0.47                    @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.47                  = ( descr
% 0.30/0.47                    @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(dsetconstr__Cong_type,type,
% 0.30/0.47      dsetconstr__Cong: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(dsetconstr__Cong,definition,
% 0.30/0.47      ( dsetconstr__Cong
% 0.30/0.47      = ( ! [A: $i,B: $i] :
% 0.30/0.47            ( ( A = B )
% 0.30/0.47           => ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 0.30/0.47                ( ! [Xx: $i] :
% 0.30/0.47                    ( ( in @ Xx @ A )
% 0.30/0.47                   => ! [Xy: $i] :
% 0.30/0.47                        ( ( in @ Xy @ B )
% 0.30/0.47                       => ( ( Xx = Xy )
% 0.30/0.47                         => ( ( Xphi @ Xx )
% 0.30/0.47                          <=> ( Xpsi @ Xy ) ) ) ) )
% 0.30/0.47               => ( ( dsetconstr @ A
% 0.30/0.47                    @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.30/0.47                  = ( dsetconstr @ B
% 0.30/0.47                    @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(subset_type,type,
% 0.30/0.47      subset: $i > $i > $o ).
% 0.30/0.47  
% 0.30/0.47  thf(subset,definition,
% 0.30/0.47      ( subset
% 0.30/0.47      = ( ^ [A: $i,B: $i] :
% 0.30/0.47          ! [Xx: $i] :
% 0.30/0.47            ( ( in @ Xx @ A )
% 0.30/0.47           => ( in @ Xx @ B ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(disjoint_type,type,
% 0.30/0.47      disjoint: $i > $i > $o ).
% 0.30/0.47  
% 0.30/0.47  thf(setsmeet_type,type,
% 0.30/0.47      setsmeet: $i > $i > $o ).
% 0.30/0.47  
% 0.30/0.47  thf(subsetI1_type,type,
% 0.30/0.47      subsetI1: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(subsetI1,definition,
% 0.30/0.47      ( subsetI1
% 0.30/0.47      = ( ! [A: $i,B: $i] :
% 0.30/0.47            ( ! [Xx: $i] :
% 0.30/0.47                ( ( in @ Xx @ A )
% 0.30/0.47               => ( in @ Xx @ B ) )
% 0.30/0.47           => ( subset @ A @ B ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(eqimpsubset2_type,type,
% 0.30/0.47      eqimpsubset2: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(eqimpsubset2,definition,
% 0.30/0.47      ( eqimpsubset2
% 0.30/0.47      = ( ! [A: $i,B: $i] :
% 0.30/0.47            ( ( A = B )
% 0.30/0.47           => ( subset @ B @ A ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(eqimpsubset1_type,type,
% 0.30/0.47      eqimpsubset1: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(eqimpsubset1,definition,
% 0.30/0.47      ( eqimpsubset1
% 0.30/0.47      = ( ! [A: $i,B: $i] :
% 0.30/0.47            ( ( A = B )
% 0.30/0.47           => ( subset @ A @ B ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(subsetI2_type,type,
% 0.30/0.47      subsetI2: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(subsetI2,definition,
% 0.30/0.47      ( subsetI2
% 0.30/0.47      = ( ! [A: $i,B: $i] :
% 0.30/0.47            ( ! [Xx: $i] :
% 0.30/0.47                ( ( in @ Xx @ A )
% 0.30/0.47               => ( in @ Xx @ B ) )
% 0.30/0.47           => ( subset @ A @ B ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(emptysetsubset_type,type,
% 0.30/0.47      emptysetsubset: $o ).
% 0.30/0.47  
% 0.30/0.47  thf(emptysetsubset,definition,
% 0.30/0.47      ( emptysetsubset
% 0.30/0.47      = ( ! [A: $i] : ( subset @ emptyset @ A ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  thf(subsetE,conjecture,
% 0.30/0.47      ( setextAx
% 0.30/0.47     => ( emptysetAx
% 0.30/0.47       => ( setadjoinAx
% 0.30/0.47         => ( powersetAx
% 0.30/0.47           => ( setunionAx
% 0.30/0.47             => ( omega0Ax
% 0.30/0.47               => ( omegaSAx
% 0.30/0.47                 => ( omegaIndAx
% 0.30/0.47                   => ( replAx
% 0.30/0.47                     => ( foundationAx
% 0.30/0.47                       => ( wellorderingAx
% 0.30/0.47                         => ( descrp
% 0.30/0.47                           => ( dsetconstrI
% 0.30/0.47                             => ( dsetconstrEL
% 0.30/0.47                               => ( dsetconstrER
% 0.30/0.47                                 => ( exuE1
% 0.30/0.47                                   => ( prop2setE
% 0.30/0.47                                     => ( emptysetE
% 0.30/0.47                                       => ( emptysetimpfalse
% 0.30/0.47                                         => ( notinemptyset
% 0.30/0.47                                           => ( exuE3e
% 0.30/0.47                                             => ( setext
% 0.30/0.47                                               => ( emptyI
% 0.30/0.47                                                 => ( noeltsimpempty
% 0.30/0.47                                                   => ( setbeta
% 0.30/0.47                                                     => ( nonemptyE1
% 0.30/0.47                                                       => ( nonemptyI
% 0.30/0.47                                                         => ( nonemptyI1
% 0.30/0.47                                                           => ( setadjoinIL
% 0.30/0.47                                                             => ( emptyinunitempty
% 0.30/0.47                                                               => ( setadjoinIR
% 0.30/0.47                                                                 => ( setadjoinE
% 0.30/0.47                                                                   => ( setadjoinOr
% 0.30/0.47                                                                     => ( setoftrueEq
% 0.30/0.47                                                                       => ( powersetI
% 0.30/0.47                                                                         => ( emptyinPowerset
% 0.30/0.47                                                                           => ( emptyInPowerset
% 0.30/0.47                                                                             => ( powersetE
% 0.30/0.47                                                                               => ( setunionI
% 0.30/0.47                                                                                 => ( setunionE
% 0.30/0.47                                                                                   => ( subPowSU
% 0.30/0.47                                                                                     => ( exuE2
% 0.30/0.47                                                                                       => ( nonemptyImpWitness
% 0.30/0.47                                                                                         => ( uniqinunit
% 0.30/0.47                                                                                           => ( notinsingleton
% 0.30/0.47                                                                                             => ( eqinunit
% 0.30/0.47                                                                                               => ( singletonsswitch
% 0.30/0.47                                                                                                 => ( upairsetE
% 0.30/0.47                                                                                                   => ( upairsetIL
% 0.30/0.47                                                                                                     => ( upairsetIR
% 0.30/0.47                                                                                                       => ( emptyE1
% 0.30/0.47                                                                                                         => ( vacuousDall
% 0.30/0.47                                                                                                           => ( quantDeMorgan1
% 0.30/0.47                                                                                                             => ( quantDeMorgan2
% 0.30/0.47                                                                                                               => ( quantDeMorgan3
% 0.30/0.47                                                                                                                 => ( quantDeMorgan4
% 0.30/0.47                                                                                                                   => ( prop2setI
% 0.30/0.47                                                                                                                     => ( prop2set2propI
% 0.30/0.47                                                                                                                       => ( notdexE
% 0.30/0.47                                                                                                                         => ( notdallE
% 0.30/0.47                                                                                                                           => ( exuI1
% 0.30/0.47                                                                                                                             => ( exuI3
% 0.30/0.47                                                                                                                               => ( exuI2
% 0.30/0.47                                                                                                                                 => ( inCongP
% 0.30/0.47                                                                                                                                   => ( in__Cong
% 0.30/0.47                                                                                                                                     => ( exuE3u
% 0.30/0.47                                                                                                                                       => ( exu__Cong
% 0.30/0.47                                                                                                                                         => ( emptyset__Cong
% 0.30/0.47                                                                                                                                           => ( setadjoin__Cong
% 0.30/0.47                                                                                                                                             => ( powerset__Cong
% 0.30/0.47                                                                                                                                               => ( setunion__Cong
% 0.30/0.47                                                                                                                                                 => ( omega__Cong
% 0.30/0.47                                                                                                                                                   => ( exuEu
% 0.30/0.47                                                                                                                                                     => ( descr__Cong
% 0.30/0.47                                                                                                                                                       => ( dsetconstr__Cong
% 0.30/0.47                                                                                                                                                         => ( subsetI1
% 0.30/0.47                                                                                                                                                           => ( eqimpsubset2
% 0.30/0.47                                                                                                                                                             => ( eqimpsubset1
% 0.30/0.47                                                                                                                                                               => ( subsetI2
% 0.30/0.47                                                                                                                                                                 => ( emptysetsubset
% 0.30/0.47                                                                                                                                                                   => ! [A: $i,B: $i,Xx: $i] :
% 0.30/0.47                                                                                                                                                                        ( ( subset @ A @ B )
% 0.30/0.47                                                                                                                                                                       => ( ( in @ Xx @ A )
% 0.30/0.47                                                                                                                                                                         => ( in @ Xx @ B ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 0.30/0.47  
% 0.30/0.47  %------------------------------------------------------------------------------
% 0.30/0.47  ------------------------
% 2.11/1.44  ---- Embedded in THF ---
% 2.11/1.44  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 2.11/1.44  %%% Generated on Tue Feb 24 12:26:56 EST 2026
% 2.11/1.44  %%% using '$$dhol' embedding, version 1.3.0.
% 2.11/1.44  %%% Logic specification used:
% 2.11/1.44  %%% thf(spec, logic, $$dhol).
% 2.11/1.44  
% 2.11/1.44  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.zzPQHf08sA/DTF2DTF8823.p
% See solution above
% 2.11/1.44  ------------------------
% 2.11/1.46  ---- Cleaned THF ---
% 2.11/1.46  thf(in_type,type,
% 2.11/1.46      in: $i > $i > $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exu_type,type,
% 2.11/1.46      exu: ( $i > $o ) > $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exu,definition,
% 2.11/1.46      ( exu
% 2.11/1.46      = ( ^ [Xphi: $i > $o] :
% 2.11/1.46          ? [Xx: $i] :
% 2.11/1.46            ( ( Xphi @ Xx )
% 2.11/1.46            & ! [Xy: $i] :
% 2.11/1.46                ( ( Xphi @ Xy )
% 2.11/1.46               => ( Xx = Xy ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setextAx_type,type,
% 2.11/1.46      setextAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setextAx,definition,
% 2.11/1.46      ( setextAx
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46              <=> ( in @ Xx @ B ) )
% 2.11/1.46           => ( A = B ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyset_type,type,
% 2.11/1.46      emptyset: $i ).
% 2.11/1.46  
% 2.11/1.46  thf(emptysetAx_type,type,
% 2.11/1.46      emptysetAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptysetAx,definition,
% 2.11/1.46      ( emptysetAx
% 2.11/1.46      = ( ! [Xx: $i] :
% 2.11/1.46            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoin_type,type,
% 2.11/1.46      setadjoin: $i > $i > $i ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinAx_type,type,
% 2.11/1.46      setadjoinAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinAx,definition,
% 2.11/1.46      ( setadjoinAx
% 2.11/1.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.11/1.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.11/1.46          <=> ( ( Xy = Xx )
% 2.11/1.46              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(powerset_type,type,
% 2.11/1.46      powerset: $i > $i ).
% 2.11/1.46  
% 2.11/1.46  thf(powersetAx_type,type,
% 2.11/1.46      powersetAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(powersetAx,definition,
% 2.11/1.46      ( powersetAx
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ( in @ B @ ( powerset @ A ) )
% 2.11/1.46          <=> ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ B )
% 2.11/1.46               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setunion_type,type,
% 2.11/1.46      setunion: $i > $i ).
% 2.11/1.46  
% 2.11/1.46  thf(setunionAx_type,type,
% 2.11/1.46      setunionAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setunionAx,definition,
% 2.11/1.46      ( setunionAx
% 2.11/1.46      = ( ! [A: $i,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ ( setunion @ A ) )
% 2.11/1.46          <=> ? [B: $i] :
% 2.11/1.46                ( ( in @ Xx @ B )
% 2.11/1.46                & ( in @ B @ A ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(omega_type,type,
% 2.11/1.46      omega: $i ).
% 2.11/1.46  
% 2.11/1.46  thf(omega0Ax_type,type,
% 2.11/1.46      omega0Ax: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(omega0Ax,definition,
% 2.11/1.46      ( omega0Ax
% 2.11/1.46      = ( in @ emptyset @ omega ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(omegaSAx_type,type,
% 2.11/1.46      omegaSAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(omegaSAx,definition,
% 2.11/1.46      ( omegaSAx
% 2.11/1.46      = ( ! [Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ omega )
% 2.11/1.46           => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(omegaIndAx_type,type,
% 2.11/1.46      omegaIndAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(omegaIndAx,definition,
% 2.11/1.46      ( omegaIndAx
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46            ( ( ( in @ emptyset @ A )
% 2.11/1.46              & ! [Xx: $i] :
% 2.11/1.46                  ( ( ( in @ Xx @ omega )
% 2.11/1.46                    & ( in @ Xx @ A ) )
% 2.11/1.46                 => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
% 2.11/1.46           => ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ omega )
% 2.11/1.46               => ( in @ Xx @ A ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(replAx_type,type,
% 2.11/1.46      replAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(replAx,definition,
% 2.11/1.46      ( replAx
% 2.11/1.46      = ( ! [Xphi: $i > $i > $o,A: $i] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46               => ( exu
% 2.11/1.46                  @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
% 2.11/1.46           => ? [B: $i] :
% 2.11/1.46              ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ B )
% 2.11/1.46              <=> ? [Xy: $i] :
% 2.11/1.46                    ( ( in @ Xy @ A )
% 2.11/1.46                    & ( Xphi @ Xy @ Xx ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(foundationAx_type,type,
% 2.11/1.46      foundationAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(foundationAx,definition,
% 2.11/1.46      ( foundationAx
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.11/1.46           => ? [B: $i] :
% 2.11/1.46                ( ( in @ B @ A )
% 2.11/1.46                & ~ ? [Xx: $i] :
% 2.11/1.46                      ( ( in @ Xx @ B )
% 2.11/1.46                      & ( in @ Xx @ A ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(wellorderingAx_type,type,
% 2.11/1.46      wellorderingAx: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(wellorderingAx,definition,
% 2.11/1.46      ( wellorderingAx
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46          ? [B: $i] :
% 2.11/1.46            ( ! [C: $i] :
% 2.11/1.46                ( ( in @ C @ B )
% 2.11/1.46               => ! [Xx: $i] :
% 2.11/1.46                    ( ( in @ Xx @ C )
% 2.11/1.46                   => ( in @ Xx @ A ) ) )
% 2.11/1.46            & ! [Xx: $i,Xy: $i] :
% 2.11/1.46                ( ( ( in @ Xx @ A )
% 2.11/1.46                  & ( in @ Xy @ A ) )
% 2.11/1.46               => ( ! [C: $i] :
% 2.11/1.46                      ( ( in @ C @ B )
% 2.11/1.46                     => ( ( in @ Xx @ C )
% 2.11/1.46                      <=> ( in @ Xy @ C ) ) )
% 2.11/1.46                 => ( Xx = Xy ) ) )
% 2.11/1.46            & ! [C: $i,D: $i] :
% 2.11/1.46                ( ( ( in @ C @ B )
% 2.11/1.46                  & ( in @ D @ B ) )
% 2.11/1.46               => ( ! [Xx: $i] :
% 2.11/1.46                      ( ( in @ Xx @ C )
% 2.11/1.46                     => ( in @ Xx @ D ) )
% 2.11/1.46                  | ! [Xx: $i] :
% 2.11/1.46                      ( ( in @ Xx @ D )
% 2.11/1.46                     => ( in @ Xx @ C ) ) ) )
% 2.11/1.46            & ! [C: $i] :
% 2.11/1.46                ( ( ! [Xx: $i] :
% 2.11/1.46                      ( ( in @ Xx @ C )
% 2.11/1.46                     => ( in @ Xx @ A ) )
% 2.11/1.46                  & ? [Xx: $i] : ( in @ Xx @ C ) )
% 2.11/1.46               => ? [D: $i,Xx: $i] :
% 2.11/1.46                    ( ( in @ D @ B )
% 2.11/1.46                    & ( in @ Xx @ C )
% 2.11/1.46                    & ~ ? [Xy: $i] :
% 2.11/1.46                          ( ( in @ Xy @ D )
% 2.11/1.46                          & ( in @ Xy @ C ) )
% 2.11/1.46                    & ! [E: $i] :
% 2.11/1.46                        ( ( in @ E @ B )
% 2.11/1.46                       => ( ! [Xy: $i] :
% 2.11/1.46                              ( ( in @ Xy @ E )
% 2.11/1.46                             => ( in @ Xy @ D ) )
% 2.11/1.46                          | ( in @ Xx @ E ) ) ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(descr_type,type,
% 2.11/1.46      descr: ( $i > $o ) > $i ).
% 2.11/1.46  
% 2.11/1.46  thf(descrp_type,type,
% 2.11/1.46      descrp: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(descrp,definition,
% 2.11/1.46      ( descrp
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ( exu
% 2.11/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46           => ( Xphi
% 2.11/1.46              @ ( descr
% 2.11/1.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstr_type,type,
% 2.11/1.46      dsetconstr: $i > ( $i > $o ) > $i ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstrI_type,type,
% 2.11/1.46      dsetconstrI: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstrI,definition,
% 2.11/1.46      ( dsetconstrI
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ A )
% 2.11/1.46           => ( ( Xphi @ Xx )
% 2.11/1.46             => ( in @ Xx
% 2.11/1.46                @ ( dsetconstr @ A
% 2.11/1.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstrEL_type,type,
% 2.11/1.46      dsetconstrEL: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstrEL,definition,
% 2.11/1.46      ( dsetconstrEL
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx
% 2.11/1.46              @ ( dsetconstr @ A
% 2.11/1.46                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.11/1.46           => ( in @ Xx @ A ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstrER_type,type,
% 2.11/1.46      dsetconstrER: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstrER,definition,
% 2.11/1.46      ( dsetconstrER
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx
% 2.11/1.46              @ ( dsetconstr @ A
% 2.11/1.46                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.11/1.46           => ( Xphi @ Xx ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exuE1_type,type,
% 2.11/1.46      exuE1: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exuE1,definition,
% 2.11/1.46      ( exuE1
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ( exu
% 2.11/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46           => ? [Xx: $i] :
% 2.11/1.46                ( ( Xphi @ Xx )
% 2.11/1.46                & ! [Xy: $i] :
% 2.11/1.46                    ( ( Xphi @ Xy )
% 2.11/1.46                   => ( Xx = Xy ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(prop2set_type,type,
% 2.11/1.46      prop2set: $o > $i ).
% 2.11/1.46  
% 2.11/1.46  thf(prop2setE_type,type,
% 2.11/1.46      prop2setE: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(prop2setE,definition,
% 2.11/1.46      ( prop2setE
% 2.11/1.46      = ( ! [Xphi: $o,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ ( prop2set @ Xphi ) )
% 2.11/1.46           => Xphi ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptysetE_type,type,
% 2.11/1.46      emptysetE: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptysetE,definition,
% 2.11/1.46      ( emptysetE
% 2.11/1.46      = ( ! [Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ emptyset )
% 2.11/1.46           => ! [Xphi: $o] : Xphi ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptysetimpfalse_type,type,
% 2.11/1.46      emptysetimpfalse: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptysetimpfalse,definition,
% 2.11/1.46      ( emptysetimpfalse
% 2.11/1.46      = ( ! [Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ emptyset )
% 2.11/1.46           => $false ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(notinemptyset_type,type,
% 2.11/1.46      notinemptyset: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(notinemptyset,definition,
% 2.11/1.46      ( notinemptyset
% 2.11/1.46      = ( ! [Xx: $i] :
% 2.11/1.46            ~ ( in @ Xx @ emptyset ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exuE3e_type,type,
% 2.11/1.46      exuE3e: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exuE3e,definition,
% 2.11/1.46      ( exuE3e
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ( exu
% 2.11/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46           => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setext_type,type,
% 2.11/1.46      setext: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setext,definition,
% 2.11/1.46      ( setext
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46               => ( in @ Xx @ B ) )
% 2.11/1.46           => ( ! [Xx: $i] :
% 2.11/1.46                  ( ( in @ Xx @ B )
% 2.11/1.46                 => ( in @ Xx @ A ) )
% 2.11/1.46             => ( A = B ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyI_type,type,
% 2.11/1.46      emptyI: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyI,definition,
% 2.11/1.46      ( emptyI
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ~ ( in @ Xx @ A )
% 2.11/1.46           => ( A = emptyset ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(noeltsimpempty_type,type,
% 2.11/1.46      noeltsimpempty: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(noeltsimpempty,definition,
% 2.11/1.46      ( noeltsimpempty
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ~ ( in @ Xx @ A )
% 2.11/1.46           => ( A = emptyset ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setbeta_type,type,
% 2.11/1.46      setbeta: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setbeta,definition,
% 2.11/1.46      ( setbeta
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ A )
% 2.11/1.46           => ( ( in @ Xx
% 2.11/1.46                @ ( dsetconstr @ A
% 2.11/1.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
% 2.11/1.46            <=> ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(nonempty_type,type,
% 2.11/1.46      nonempty: $i > $o ).
% 2.11/1.46  
% 2.11/1.46  thf(nonempty,definition,
% 2.11/1.46      ( nonempty
% 2.11/1.46      = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(nonemptyE1_type,type,
% 2.11/1.46      nonemptyE1: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(nonemptyE1,definition,
% 2.11/1.46      ( nonemptyE1
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46            ( ( nonempty @ A )
% 2.11/1.46           => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(nonemptyI_type,type,
% 2.11/1.46      nonemptyI: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(nonemptyI,definition,
% 2.11/1.46      ( nonemptyI
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ A )
% 2.11/1.46           => ( ( Xphi @ Xx )
% 2.11/1.46             => ( nonempty
% 2.11/1.46                @ ( dsetconstr @ A
% 2.11/1.46                  @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(nonemptyI1_type,type,
% 2.11/1.46      nonemptyI1: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(nonemptyI1,definition,
% 2.11/1.46      ( nonemptyI1
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46            ( ? [Xx: $i] : ( in @ Xx @ A )
% 2.11/1.46           => ( nonempty @ A ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinIL_type,type,
% 2.11/1.46      setadjoinIL: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinIL,definition,
% 2.11/1.46      ( setadjoinIL
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyinunitempty_type,type,
% 2.11/1.46      emptyinunitempty: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyinunitempty,definition,
% 2.11/1.46      ( emptyinunitempty
% 2.11/1.46      = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinIR_type,type,
% 2.11/1.46      setadjoinIR: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinIR,definition,
% 2.11/1.46      ( setadjoinIR
% 2.11/1.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.11/1.46            ( ( in @ Xy @ A )
% 2.11/1.46           => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinE_type,type,
% 2.11/1.46      setadjoinE: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinE,definition,
% 2.11/1.46      ( setadjoinE
% 2.11/1.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.11/1.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.11/1.46           => ! [Xphi: $o] :
% 2.11/1.46                ( ( ( Xy = Xx )
% 2.11/1.46                 => Xphi )
% 2.11/1.46               => ( ( ( in @ Xy @ A )
% 2.11/1.46                   => Xphi )
% 2.11/1.46                 => Xphi ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinOr_type,type,
% 2.11/1.46      setadjoinOr: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoinOr,definition,
% 2.11/1.46      ( setadjoinOr
% 2.11/1.46      = ( ! [Xx: $i,A: $i,Xy: $i] :
% 2.11/1.46            ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
% 2.11/1.46           => ( ( Xy = Xx )
% 2.11/1.46              | ( in @ Xy @ A ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setoftrueEq_type,type,
% 2.11/1.46      setoftrueEq: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setoftrueEq,definition,
% 2.11/1.46      ( setoftrueEq
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46            ( ( dsetconstr @ A
% 2.11/1.46              @ ^ [Xx: $i] : $true )
% 2.11/1.46            = A ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(powersetI_type,type,
% 2.11/1.46      powersetI: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(powersetI,definition,
% 2.11/1.46      ( powersetI
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ B )
% 2.11/1.46               => ( in @ Xx @ A ) )
% 2.11/1.46           => ( in @ B @ ( powerset @ A ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyinPowerset_type,type,
% 2.11/1.46      emptyinPowerset: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyinPowerset,definition,
% 2.11/1.46      ( emptyinPowerset
% 2.11/1.46      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyInPowerset_type,type,
% 2.11/1.46      emptyInPowerset: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyInPowerset,definition,
% 2.11/1.46      ( emptyInPowerset
% 2.11/1.46      = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(powersetE_type,type,
% 2.11/1.46      powersetE: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(powersetE,definition,
% 2.11/1.46      ( powersetE
% 2.11/1.46      = ( ! [A: $i,B: $i,Xx: $i] :
% 2.11/1.46            ( ( in @ B @ ( powerset @ A ) )
% 2.11/1.46           => ( ( in @ Xx @ B )
% 2.11/1.46             => ( in @ Xx @ A ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setunionI_type,type,
% 2.11/1.46      setunionI: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setunionI,definition,
% 2.11/1.46      ( setunionI
% 2.11/1.46      = ( ! [A: $i,Xx: $i,B: $i] :
% 2.11/1.46            ( ( in @ Xx @ B )
% 2.11/1.46           => ( ( in @ B @ A )
% 2.11/1.46             => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setunionE_type,type,
% 2.11/1.46      setunionE: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setunionE,definition,
% 2.11/1.46      ( setunionE
% 2.11/1.46      = ( ! [A: $i,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ ( setunion @ A ) )
% 2.11/1.46           => ! [Xphi: $o] :
% 2.11/1.46                ( ! [B: $i] :
% 2.11/1.46                    ( ( in @ Xx @ B )
% 2.11/1.46                   => ( ( in @ B @ A )
% 2.11/1.46                     => Xphi ) )
% 2.11/1.46               => Xphi ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(subPowSU_type,type,
% 2.11/1.46      subPowSU: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(subPowSU,definition,
% 2.11/1.46      ( subPowSU
% 2.11/1.46      = ( ! [A: $i,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ A )
% 2.11/1.46           => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exuE2_type,type,
% 2.11/1.46      exuE2: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exuE2,definition,
% 2.11/1.46      ( exuE2
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ( exu
% 2.11/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46           => ? [Xx: $i] :
% 2.11/1.46              ! [Xy: $i] :
% 2.11/1.46                ( ( Xphi @ Xy )
% 2.11/1.46              <=> ( Xy = Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(nonemptyImpWitness_type,type,
% 2.11/1.46      nonemptyImpWitness: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(nonemptyImpWitness,definition,
% 2.11/1.46      ( nonemptyImpWitness
% 2.11/1.46      = ( ! [A: $i] :
% 2.11/1.46            ( ( nonempty @ A )
% 2.11/1.46           => ? [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46                & $true ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(uniqinunit_type,type,
% 2.11/1.46      uniqinunit: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(uniqinunit,definition,
% 2.11/1.46      ( uniqinunit
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.11/1.46            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.11/1.46           => ( Xx = Xy ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(notinsingleton_type,type,
% 2.11/1.46      notinsingleton: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(notinsingleton,definition,
% 2.11/1.46      ( notinsingleton
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.11/1.46            ( ( Xx != Xy )
% 2.11/1.46           => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(eqinunit_type,type,
% 2.11/1.46      eqinunit: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(eqinunit,definition,
% 2.11/1.46      ( eqinunit
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.11/1.46            ( ( Xx = Xy )
% 2.11/1.46           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(singletonsswitch_type,type,
% 2.11/1.46      singletonsswitch: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(singletonsswitch,definition,
% 2.11/1.46      ( singletonsswitch
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.11/1.46            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
% 2.11/1.46           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(upairsetE_type,type,
% 2.11/1.46      upairsetE: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(upairsetE,definition,
% 2.11/1.46      ( upairsetE
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i,Xz: $i] :
% 2.11/1.46            ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
% 2.11/1.46           => ( ( Xz = Xx )
% 2.11/1.46              | ( Xz = Xy ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(upairsetIL_type,type,
% 2.11/1.46      upairsetIL: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(upairsetIL,definition,
% 2.11/1.46      ( upairsetIL
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(upairsetIR_type,type,
% 2.11/1.46      upairsetIR: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(upairsetIR,definition,
% 2.11/1.46      ( upairsetIR
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyE1_type,type,
% 2.11/1.46      emptyE1: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyE1,definition,
% 2.11/1.46      ( emptyE1
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.11/1.46            ( ? [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46                & ( Xphi @ Xx ) )
% 2.11/1.46           => ( ( ( dsetconstr @ A
% 2.11/1.46                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46                = emptyset )
% 2.11/1.46             => $false ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(vacuousDall_type,type,
% 2.11/1.46      vacuousDall: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(vacuousDall,definition,
% 2.11/1.46      ( vacuousDall
% 2.11/1.46      = ( ! [Xphi: $i > $o,Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ emptyset )
% 2.11/1.46           => ( Xphi @ Xx ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(quantDeMorgan1_type,type,
% 2.11/1.46      quantDeMorgan1: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(quantDeMorgan1,definition,
% 2.11/1.46      ( quantDeMorgan1
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.11/1.46            ( ~ ! [Xx: $i] :
% 2.11/1.46                  ( ( in @ Xx @ A )
% 2.11/1.46                 => ( Xphi @ Xx ) )
% 2.11/1.46           => ? [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(quantDeMorgan2_type,type,
% 2.11/1.46      quantDeMorgan2: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(quantDeMorgan2,definition,
% 2.11/1.46      ( quantDeMorgan2
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46               => ~ ( Xphi @ Xx ) )
% 2.11/1.46           => ~ ? [Xx: $i] :
% 2.11/1.46                  ( ( in @ Xx @ A )
% 2.11/1.46                  & ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(quantDeMorgan3_type,type,
% 2.11/1.46      quantDeMorgan3: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(quantDeMorgan3,definition,
% 2.11/1.46      ( quantDeMorgan3
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.11/1.46            ( ~ ? [Xx: $i] :
% 2.11/1.46                  ( ( in @ Xx @ A )
% 2.11/1.46                  & ( Xphi @ Xx ) )
% 2.11/1.46           => ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(quantDeMorgan4_type,type,
% 2.11/1.46      quantDeMorgan4: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(quantDeMorgan4,definition,
% 2.11/1.46      ( quantDeMorgan4
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.11/1.46            ( ? [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46                & ~ ( Xphi @ Xx ) )
% 2.11/1.46           => ~ ! [Xx: $i] :
% 2.11/1.46                  ( ( in @ Xx @ A )
% 2.11/1.46                 => ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(prop2setI_type,type,
% 2.11/1.46      prop2setI: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(prop2setI,definition,
% 2.11/1.46      ( prop2setI
% 2.11/1.46      = ( ! [Xphi: $o] :
% 2.11/1.46            ( Xphi
% 2.11/1.46           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(set2prop_type,type,
% 2.11/1.46      set2prop: $i > $o ).
% 2.11/1.46  
% 2.11/1.46  thf(prop2set2propI_type,type,
% 2.11/1.46      prop2set2propI: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(prop2set2propI,definition,
% 2.11/1.46      ( prop2set2propI
% 2.11/1.46      = ( ! [Xphi: $o] :
% 2.11/1.46            ( Xphi
% 2.11/1.46           => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(notdexE_type,type,
% 2.11/1.46      notdexE: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(notdexE,definition,
% 2.11/1.46      ( notdexE
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.11/1.46            ( ~ ? [Xx: $i] :
% 2.11/1.46                  ( ( in @ Xx @ A )
% 2.11/1.46                  & ( Xphi @ Xx ) )
% 2.11/1.46           => ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46               => ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(notdallE_type,type,
% 2.11/1.46      notdallE: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(notdallE,definition,
% 2.11/1.46      ( notdallE
% 2.11/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 2.11/1.46            ( ~ ! [Xx: $i] :
% 2.11/1.46                  ( ( in @ Xx @ A )
% 2.11/1.46                 => ( Xphi @ Xx ) )
% 2.11/1.46           => ? [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46                & ~ ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exuI1_type,type,
% 2.11/1.46      exuI1: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exuI1,definition,
% 2.11/1.46      ( exuI1
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ? [Xx: $i] :
% 2.11/1.46                ( ( Xphi @ Xx )
% 2.11/1.46                & ! [Xy: $i] :
% 2.11/1.46                    ( ( Xphi @ Xy )
% 2.11/1.46                   => ( Xx = Xy ) ) )
% 2.11/1.46           => ( exu
% 2.11/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exuI3_type,type,
% 2.11/1.46      exuI3: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exuI3,definition,
% 2.11/1.46      ( exuI3
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ? [Xx: $i] : ( Xphi @ Xx )
% 2.11/1.46           => ( ! [Xx: $i,Xy: $i] :
% 2.11/1.46                  ( ( Xphi @ Xx )
% 2.11/1.46                 => ( ( Xphi @ Xy )
% 2.11/1.46                   => ( Xx = Xy ) ) )
% 2.11/1.46             => ( exu
% 2.11/1.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exuI2_type,type,
% 2.11/1.46      exuI2: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exuI2,definition,
% 2.11/1.46      ( exuI2
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ? [Xx: $i] :
% 2.11/1.46              ! [Xy: $i] :
% 2.11/1.46                ( ( Xphi @ Xy )
% 2.11/1.46              <=> ( Xy = Xx ) )
% 2.11/1.46           => ( exu
% 2.11/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(inCongP_type,type,
% 2.11/1.46      inCongP: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(inCongP,definition,
% 2.11/1.46      ( inCongP
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ( A = B )
% 2.11/1.46           => ! [Xx: $i,Xy: $i] :
% 2.11/1.46                ( ( Xx = Xy )
% 2.11/1.46               => ( ( in @ Xx @ A )
% 2.11/1.46                 => ( in @ Xy @ B ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(in__Cong_type,type,
% 2.11/1.46      in__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(in__Cong,definition,
% 2.11/1.46      ( in__Cong
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ( A = B )
% 2.11/1.46           => ! [Xx: $i,Xy: $i] :
% 2.11/1.46                ( ( Xx = Xy )
% 2.11/1.46               => ( ( in @ Xx @ A )
% 2.11/1.46                <=> ( in @ Xy @ B ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exuE3u_type,type,
% 2.11/1.46      exuE3u: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exuE3u,definition,
% 2.11/1.46      ( exuE3u
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ( exu
% 2.11/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46           => ! [Xx: $i,Xy: $i] :
% 2.11/1.46                ( ( Xphi @ Xx )
% 2.11/1.46               => ( ( Xphi @ Xy )
% 2.11/1.46                 => ( Xx = Xy ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exu__Cong_type,type,
% 2.11/1.46      exu__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exu__Cong,definition,
% 2.11/1.46      ( exu__Cong
% 2.11/1.46      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 2.11/1.46            ( ! [Xx: $i,Xy: $i] :
% 2.11/1.46                ( ( Xx = Xy )
% 2.11/1.46               => ( ( Xphi @ Xx )
% 2.11/1.46                <=> ( Xpsi @ Xy ) ) )
% 2.11/1.46           => ( ( exu
% 2.11/1.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46            <=> ( exu
% 2.11/1.46                @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyset__Cong_type,type,
% 2.11/1.46      emptyset__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptyset__Cong,definition,
% 2.11/1.46      ( emptyset__Cong
% 2.11/1.46      = ( emptyset = emptyset ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoin__Cong_type,type,
% 2.11/1.46      setadjoin__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setadjoin__Cong,definition,
% 2.11/1.46      ( setadjoin__Cong
% 2.11/1.46      = ( ! [Xx: $i,Xy: $i] :
% 2.11/1.46            ( ( Xx = Xy )
% 2.11/1.46           => ! [Xz: $i,Xu: $i] :
% 2.11/1.46                ( ( Xz = Xu )
% 2.11/1.46               => ( ( setadjoin @ Xx @ Xz )
% 2.11/1.46                  = ( setadjoin @ Xy @ Xu ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(powerset__Cong_type,type,
% 2.11/1.46      powerset__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(powerset__Cong,definition,
% 2.11/1.46      ( powerset__Cong
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ( A = B )
% 2.11/1.46           => ( ( powerset @ A )
% 2.11/1.46              = ( powerset @ B ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(setunion__Cong_type,type,
% 2.11/1.46      setunion__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setunion__Cong,definition,
% 2.11/1.46      ( setunion__Cong
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ( A = B )
% 2.11/1.46           => ( ( setunion @ A )
% 2.11/1.46              = ( setunion @ B ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(omega__Cong_type,type,
% 2.11/1.46      omega__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(omega__Cong,definition,
% 2.11/1.46      ( omega__Cong
% 2.11/1.46      = ( omega = omega ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(exuEu_type,type,
% 2.11/1.46      exuEu: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(exuEu,definition,
% 2.11/1.46      ( exuEu
% 2.11/1.46      = ( ! [Xphi: $i > $o] :
% 2.11/1.46            ( ( exu
% 2.11/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46           => ! [Xx: $i,Xy: $i] :
% 2.11/1.46                ( ( Xphi @ Xx )
% 2.11/1.46               => ( ( Xphi @ Xy )
% 2.11/1.46                 => ( Xx = Xy ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(descr__Cong_type,type,
% 2.11/1.46      descr__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(descr__Cong,definition,
% 2.11/1.46      ( descr__Cong
% 2.11/1.46      = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 2.11/1.46            ( ! [Xx: $i,Xy: $i] :
% 2.11/1.46                ( ( Xx = Xy )
% 2.11/1.46               => ( ( Xphi @ Xx )
% 2.11/1.46                <=> ( Xpsi @ Xy ) ) )
% 2.11/1.46           => ( ( exu
% 2.11/1.46                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46             => ( ( exu
% 2.11/1.46                  @ ^ [Xx: $i] : ( Xpsi @ Xx ) )
% 2.11/1.46               => ( ( descr
% 2.11/1.46                    @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46                  = ( descr
% 2.11/1.46                    @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstr__Cong_type,type,
% 2.11/1.46      dsetconstr__Cong: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(dsetconstr__Cong,definition,
% 2.11/1.46      ( dsetconstr__Cong
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ( A = B )
% 2.11/1.46           => ! [Xphi: $i > $o,Xpsi: $i > $o] :
% 2.11/1.46                ( ! [Xx: $i] :
% 2.11/1.46                    ( ( in @ Xx @ A )
% 2.11/1.46                   => ! [Xy: $i] :
% 2.11/1.46                        ( ( in @ Xy @ B )
% 2.11/1.46                       => ( ( Xx = Xy )
% 2.11/1.46                         => ( ( Xphi @ Xx )
% 2.11/1.46                          <=> ( Xpsi @ Xy ) ) ) ) )
% 2.11/1.46               => ( ( dsetconstr @ A
% 2.11/1.46                    @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 2.11/1.46                  = ( dsetconstr @ B
% 2.11/1.46                    @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(subset_type,type,
% 2.11/1.46      subset: $i > $i > $o ).
% 2.11/1.46  
% 2.11/1.46  thf(subset,definition,
% 2.11/1.46      ( subset
% 2.11/1.46      = ( ^ [A: $i,B: $i] :
% 2.11/1.46          ! [Xx: $i] :
% 2.11/1.46            ( ( in @ Xx @ A )
% 2.11/1.46           => ( in @ Xx @ B ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(disjoint_type,type,
% 2.11/1.46      disjoint: $i > $i > $o ).
% 2.11/1.46  
% 2.11/1.46  thf(setsmeet_type,type,
% 2.11/1.46      setsmeet: $i > $i > $o ).
% 2.11/1.46  
% 2.11/1.46  thf(subsetI1_type,type,
% 2.11/1.46      subsetI1: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(subsetI1,definition,
% 2.11/1.46      ( subsetI1
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46               => ( in @ Xx @ B ) )
% 2.11/1.46           => ( subset @ A @ B ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(eqimpsubset2_type,type,
% 2.11/1.46      eqimpsubset2: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(eqimpsubset2,definition,
% 2.11/1.46      ( eqimpsubset2
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ( A = B )
% 2.11/1.46           => ( subset @ B @ A ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(eqimpsubset1_type,type,
% 2.11/1.46      eqimpsubset1: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(eqimpsubset1,definition,
% 2.11/1.46      ( eqimpsubset1
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ( A = B )
% 2.11/1.46           => ( subset @ A @ B ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(subsetI2_type,type,
% 2.11/1.46      subsetI2: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(subsetI2,definition,
% 2.11/1.46      ( subsetI2
% 2.11/1.46      = ( ! [A: $i,B: $i] :
% 2.11/1.46            ( ! [Xx: $i] :
% 2.11/1.46                ( ( in @ Xx @ A )
% 2.11/1.46               => ( in @ Xx @ B ) )
% 2.11/1.46           => ( subset @ A @ B ) ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(emptysetsubset_type,type,
% 2.11/1.46      emptysetsubset: $o ).
% 2.11/1.46  
% 2.11/1.46  thf(emptysetsubset,definition,
% 2.11/1.46      ( emptysetsubset
% 2.11/1.46      = ( ! [A: $i] : ( subset @ emptyset @ A ) ) ) ).
% 2.11/1.46  
% 2.11/1.46  thf(subsetE,conjecture,
% 2.11/1.46      ( setextAx
% 2.11/1.46     => ( emptysetAx
% 2.11/1.46       => ( setadjoinAx
% 2.11/1.46         => ( powersetAx
% 2.11/1.46           => ( setunionAx
% 2.11/1.46             => ( omega0Ax
% 2.11/1.46               => ( omegaSAx
% 2.11/1.46                 => ( omegaIndAx
% 2.11/1.46                   => ( replAx
% 2.11/1.46                     => ( foundationAx
% 2.11/1.46                       => ( wellorderingAx
% 2.11/1.46                         => ( descrp
% 2.11/1.46                           => ( dsetconstrI
% 2.11/1.46                             => ( dsetconstrEL
% 2.11/1.46                               => ( dsetconstrER
% 2.11/1.46                                 => ( exuE1
% 2.11/1.46                                   => ( prop2setE
% 2.11/1.46                                     => ( emptysetE
% 2.11/1.46                                       => ( emptysetimpfalse
% 2.11/1.46                                         => ( notinemptyset
% 2.11/1.46                                           => ( exuE3e
% 2.11/1.46                                             => ( setext
% 2.11/1.46                                               => ( emptyI
% 2.11/1.46                                                 => ( noeltsimpempty
% 2.11/1.46                                                   => ( setbeta
% 2.11/1.46                                                     => ( nonemptyE1
% 2.11/1.46                                                       => ( nonemptyI
% 2.11/1.46                                                         => ( nonemptyI1
% 2.11/1.46                                                           => ( setadjoinIL
% 2.11/1.46                                                             => ( emptyinunitempty
% 2.11/1.46                                                               => ( setadjoinIR
% 2.11/1.46                                                                 => ( setadjoinE
% 2.11/1.46                                                                   => ( setadjoinOr
% 2.11/1.46                                                                     => ( setoftrueEq
% 2.11/1.46                                                                       => ( powersetI
% 2.11/1.46                                                                         => ( emptyinPowerset
% 2.11/1.46                                                                           => ( emptyInPowerset
% 2.11/1.46                                                                             => ( powersetE
% 2.11/1.46                                                                               => ( setunionI
% 2.11/1.46                                                                                 => ( setunionE
% 2.11/1.46                                                                                   => ( subPowSU
% 2.11/1.46                                                                                     => ( exuE2
% 2.11/1.46                                                                                       => ( nonemptyImpWitness
% 2.11/1.46                                                                                         => ( uniqinunit
% 2.11/1.46                                                                                           => ( notinsingleton
% 2.11/1.46                                                                                             => ( eqinunit
% 2.11/1.46                                                                                               => ( singletonsswitch
% 2.11/1.46                                                                                                 => ( upairsetE
% 2.11/1.46                                                                                                   => ( upairsetIL
% 2.11/1.46                                                                                                     => ( upairsetIR
% 2.11/1.46                                                                                                       => ( emptyE1
% 2.11/1.46                                                                                                         => ( vacuousDall
% 2.11/1.46                                                                                                           => ( quantDeMorgan1
% 2.11/1.46                                                                                                             => ( quantDeMorgan2
% 2.11/1.46                                                                                                               => ( quantDeMorgan3
% 2.11/1.46                                                                                                                 => ( quantDeMorgan4
% 2.11/1.46                                                                                                                   => ( prop2setI
% 2.11/1.46                                                                                                                     => ( prop2set2propI
% 2.11/1.46                                                                                                                       => ( notdexE
% 2.11/1.46                                                                                                                         => ( notdallE
% 2.11/1.46                                                                                                                           => ( exuI1
% 2.11/1.46                                                                                                                             => ( exuI3
% 2.11/1.46                                                                                                                               => ( exuI2
% 2.11/1.46                                                                                                                                 => ( inCongP
% 2.11/1.46                                                                                                                                   => ( in__Cong
% 2.11/1.46                                                                                                                                     => ( exuE3u
% 2.11/1.46                                                                                                                                       => ( exu__Cong
% 2.11/1.46                                                                                                                                         => ( emptyset__Cong
% 2.11/1.46                                                                                                                                           => ( setadjoin__Cong
% 2.11/1.46                                                                                                                                             => ( powerset__Cong
% 2.11/1.46                                                                                                                                               => ( setunion__Cong
% 2.11/1.46                                                                                                                                                 => ( omega__Cong
% 2.11/1.46                                                                                                                                                   => ( exuEu
% 2.11/1.46                                                                                                                                                     => ( descr__Cong
% 2.11/1.46                                                                                                                                                       => ( dsetconstr__Cong
% 2.11/1.46                                                                                                                                                         => ( subsetI1
% 2.11/1.46                                                                                                                                                           => ( eqimpsubset2
% 2.11/1.46                                                                                                                                                             => ( eqimpsubset1
% 2.11/1.46                                                                                                                                                               => ( subsetI2
% 2.11/1.46                                                                                                                                                                 => ( emptysetsubset
% 2.11/1.46                                                                                                                                                                   => ! [A: $i,B: $i,Xx: $i] :
% 2.11/1.46                                                                                                                                                                        ( ( subset @ A @ B )
% 2.11/1.46                                                                                                                                                                       => ( ( in @ Xx @ A )
% 2.11/1.46                                                                                                                                                                         => ( in @ Xx @ B ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
% 2.11/1.46  ------------------------
% 2.11/1.48  % (8941)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_8823 for (2999ds/27Mi)
% 2.11/1.48  % (8940)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_8823 for (2999ds/4Mi)
% 2.11/1.48  % (8940)Instruction limit reached!
% 2.11/1.48  % (8940)------------------------------
% 2.11/1.48  % (8940)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.11/1.48  % (8940)Termination reason: Unknown
% 2.11/1.48  % (8940)Termination phase: shuffling
% 2.11/1.48  
% 2.11/1.48  % (8940)Memory used [KB]: 1151
% 2.11/1.48  % (8940)Time elapsed: 0.003 s
% 2.11/1.48  % (8940)Instructions burned: 5 (million)
% 2.11/1.48  % (8940)------------------------------
% 2.11/1.48  % (8940)------------------------------
% 2.11/1.48  % (8943)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_8823 for (2999ds/2Mi)
% 2.11/1.48  % (8943)Instruction limit reached!
% 2.11/1.48  % (8943)------------------------------
% 2.11/1.48  % (8943)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.11/1.48  % (8943)Termination reason: Unknown
% 2.11/1.48  % (8943)Termination phase: shuffling
% 2.11/1.48  
% 2.11/1.48  % (8943)Memory used [KB]: 1151
% 2.11/1.48  % (8943)Time elapsed: 0.003 s
% 2.11/1.48  % (8943)Instructions burned: 3 (million)
% 2.11/1.48  % (8943)------------------------------
% 2.11/1.48  % (8943)------------------------------
% 2.11/1.48  % (8941)Instruction limit reached!
% 2.11/1.48  % (8941)------------------------------
% 2.11/1.48  % (8941)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.11/1.48  % (8941)Termination reason: Unknown
% 2.11/1.48  % (8941)Termination phase: Property scanning
% 2.11/1.48  
% 2.11/1.48  % (8941)Memory used [KB]: 1407
% 2.11/1.48  % (8941)Time elapsed: 0.009 s
% 2.11/1.48  % (8941)Instructions burned: 27 (million)
% 2.11/1.48  % (8941)------------------------------
% 2.11/1.48  % (8941)------------------------------
% 2.11/1.49  % (8939)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/183Mi)
% 2.11/1.49  % (8942)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/2Mi)
% 2.11/1.49  % (8944)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_8823 for (2999ds/275Mi)
% 2.11/1.49  % (8945)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/18Mi)
% 2.11/1.49  % (8942)Instruction limit reached!
% 2.11/1.49  % (8942)------------------------------
% 2.11/1.49  % (8942)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.11/1.49  % (8942)Termination reason: Unknown
% 2.11/1.49  % (8942)Termination phase: shuffling
% 2.11/1.49  
% 2.11/1.49  % (8942)Memory used [KB]: 1151
% 2.11/1.49  % (8942)Time elapsed: 0.003 s
% 2.11/1.49  % (8942)Instructions burned: 2 (million)
% 2.11/1.49  % (8942)------------------------------
% 2.11/1.49  % (8942)------------------------------
% 2.11/1.49  % (8946)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/3Mi)
% 2.11/1.49  % (8946)Instruction limit reached!
% 2.11/1.49  % (8946)------------------------------
% 2.11/1.49  % (8946)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.11/1.49  % (8946)Termination reason: Unknown
% 2.11/1.49  % (8946)Termination phase: shuffling
% 2.11/1.49  
% 2.11/1.49  % (8946)Memory used [KB]: 1151
% 2.11/1.49  % (8946)Time elapsed: 0.002 s
% 2.11/1.49  % (8946)Instructions burned: 4 (million)
% 2.11/1.49  % (8946)------------------------------
% 2.11/1.49  % (8946)------------------------------
% 2.11/1.49  % (8947)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_8823 for (2999ds/37Mi)
% 2.11/1.49  % (8948)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_8823 for (2999ds/15Mi)
% 2.21/1.50  % (8945)Instruction limit reached!
% 2.21/1.50  % (8945)------------------------------
% 2.21/1.50  % (8945)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.50  % (8945)Termination reason: Unknown
% 2.21/1.50  % (8945)Termination phase: Preprocessing 3
% 2.21/1.50  
% 2.21/1.50  % (8945)Memory used [KB]: 1535
% 2.21/1.50  % (8945)Time elapsed: 0.013 s
% 2.21/1.50  % (8945)Instructions burned: 18 (million)
% 2.21/1.50  % (8945)------------------------------
% 2.21/1.50  % (8945)------------------------------
% 2.21/1.50  % (8948)Instruction limit reached!
% 2.21/1.50  % (8948)------------------------------
% 2.21/1.50  % (8948)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.50  % (8948)Termination reason: Unknown
% 2.21/1.50  % (8948)Termination phase: Preprocessing 3
% 2.21/1.50  
% 2.21/1.50  % (8948)Memory used [KB]: 1535
% 2.21/1.50  % (8948)Time elapsed: 0.006 s
% 2.21/1.50  % (8948)Instructions burned: 17 (million)
% 2.21/1.50  % (8948)------------------------------
% 2.21/1.50  % (8948)------------------------------
% 2.21/1.50  % (8950)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_8823 for (2999ds/1041Mi)
% 2.21/1.50  % (8949)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_8823 for (2999ds/3Mi)
% 2.21/1.50  % (8949)Instruction limit reached!
% 2.21/1.50  % (8949)------------------------------
% 2.21/1.50  % (8949)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.50  % (8949)Termination reason: Unknown
% 2.21/1.50  % (8949)Termination phase: shuffling
% 2.21/1.50  
% 2.21/1.50  % (8949)Memory used [KB]: 1151
% 2.21/1.50  % (8949)Time elapsed: 0.003 s
% 2.21/1.50  % (8949)Instructions burned: 3 (million)
% 2.21/1.50  % (8949)------------------------------
% 2.21/1.50  % (8949)------------------------------
% 2.21/1.50  % (8947)Instruction limit reached!
% 2.21/1.50  % (8947)------------------------------
% 2.21/1.50  % (8947)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.50  % (8947)Termination reason: Unknown
% 2.21/1.50  % (8947)Termination phase: Property scanning
% 2.21/1.50  
% 2.21/1.50  % (8947)Memory used [KB]: 1407
% 2.21/1.50  % (8947)Time elapsed: 0.012 s
% 2.21/1.50  % (8947)Instructions burned: 39 (million)
% 2.21/1.50  % (8947)------------------------------
% 2.21/1.50  % (8947)------------------------------
% 2.21/1.51  % (8952)lrs+10_1:1_acc=on:amm=sco:cs=on:tgt=full:i=16:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/16Mi)
% 2.21/1.51  % (8952)Instruction limit reached!
% 2.21/1.51  % (8952)------------------------------
% 2.21/1.51  % (8952)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.51  % (8952)Termination reason: Unknown
% 2.21/1.51  % (8952)Termination phase: Property scanning
% 2.21/1.51  
% 2.21/1.51  % (8952)Memory used [KB]: 1407
% 2.21/1.51  % (8952)Time elapsed: 0.006 s
% 2.21/1.51  % (8952)Instructions burned: 19 (million)
% 2.21/1.51  % (8952)------------------------------
% 2.21/1.51  % (8952)------------------------------
% 2.21/1.51  % (8951)lrs+10_1:1_av=off:chr=on:plsq=on:slsq=on:i=7:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/7Mi)
% 2.21/1.52  % (8954)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_8823 for (2999ds/3Mi)
% 2.21/1.52  % (8953)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_8823 for (2999ds/3Mi)
% 2.21/1.52  % (8954)Instruction limit reached!
% 2.21/1.52  % (8954)------------------------------
% 2.21/1.52  % (8954)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.52  % (8954)Termination reason: Unknown
% 2.21/1.52  % (8954)Termination phase: shuffling
% 2.21/1.52  
% 2.21/1.52  % (8954)Memory used [KB]: 1151
% 2.21/1.52  % (8954)Time elapsed: 0.002 s
% 2.21/1.52  % (8954)Instructions burned: 4 (million)
% 2.21/1.52  % (8954)------------------------------
% 2.21/1.52  % (8954)------------------------------
% 2.21/1.52  % (8953)Instruction limit reached!
% 2.21/1.52  % (8953)------------------------------
% 2.21/1.52  % (8953)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.52  % (8953)Termination reason: Unknown
% 2.21/1.52  % (8953)Termination phase: shuffling
% 2.21/1.52  
% 2.21/1.52  % (8953)Memory used [KB]: 1151
% 2.21/1.52  % (8953)Time elapsed: 0.003 s
% 2.21/1.52  % (8953)Instructions burned: 4 (million)
% 2.21/1.52  % (8953)------------------------------
% 2.21/1.52  % (8953)------------------------------
% 2.21/1.52  % (8951)Instruction limit reached!
% 2.21/1.52  % (8951)------------------------------
% 2.21/1.52  % (8951)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.52  % (8951)Termination reason: Unknown
% 2.21/1.52  % (8951)Termination phase: shuffling
% 2.21/1.52  
% 2.21/1.52  % (8951)Memory used [KB]: 1279
% 2.21/1.52  % (8951)Time elapsed: 0.006 s
% 2.21/1.52  % (8951)Instructions burned: 8 (million)
% 2.21/1.52  % (8951)------------------------------
% 2.21/1.52  % (8951)------------------------------
% 2.21/1.52  % (8955)lrs+10_1:1_cnfonf=off:cs=on:hud=3:prag=on:sup=off:i=7:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/7Mi)
% 2.21/1.53  % (8955)Instruction limit reached!
% 2.21/1.53  % (8955)------------------------------
% 2.21/1.53  % (8955)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.53  % (8955)Termination reason: Unknown
% 2.21/1.53  % (8955)Termination phase: shuffling
% 2.21/1.53  
% 2.21/1.53  % (8955)Memory used [KB]: 1279
% 2.21/1.53  % (8955)Time elapsed: 0.003 s
% 2.21/1.53  % (8955)Instructions burned: 7 (million)
% 2.21/1.53  % (8955)------------------------------
% 2.21/1.53  % (8955)------------------------------
% 2.21/1.53  % (8956)dis+1002_1:1_add=large:cnfonf=lazy_pi_sigma_gen:fe=off:prag=on:i=3:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/3Mi)
% 2.21/1.53  % (8957)dis+1004_1:1_cha=on:cs=on:fe=off:hud=1:i=4:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/4Mi)
% 2.21/1.53  % (8956)Instruction limit reached!
% 2.21/1.53  % (8956)------------------------------
% 2.21/1.53  % (8956)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.53  % (8956)Termination reason: Unknown
% 2.21/1.53  % (8956)Termination phase: shuffling
% 2.21/1.53  
% 2.21/1.53  % (8956)Memory used [KB]: 1151
% 2.21/1.53  % (8956)Time elapsed: 0.003 s
% 2.21/1.53  % (8956)Instructions burned: 4 (million)
% 2.21/1.53  % (8956)------------------------------
% 2.21/1.53  % (8956)------------------------------
% 2.21/1.53  % (8957)Instruction limit reached!
% 2.21/1.53  % (8957)------------------------------
% 2.21/1.53  % (8957)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.53  % (8957)Termination reason: Unknown
% 2.21/1.53  % (8957)Termination phase: shuffling
% 2.21/1.53  
% 2.21/1.53  % (8957)Memory used [KB]: 1151
% 2.21/1.53  % (8957)Time elapsed: 0.003 s
% 2.21/1.53  % (8957)Instructions burned: 4 (million)
% 2.21/1.53  % (8957)------------------------------
% 2.21/1.53  % (8957)------------------------------
% 2.21/1.53  % (8959)lrs+10_1:1_e2e=on:sd=1:sgt=8:ss=axioms:i=710:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/710Mi)
% 2.21/1.54  % (8958)lrs+1002_1:1_anc=all_dependent:au=on:cbe=off:fde=unused:ntd=on:i=18:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/18Mi)
% 2.21/1.54  % (8960)lrs+1004_1:1_chr=on:prag=on:i=6:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/6Mi)
% 2.21/1.54  % (8961)dis+1002_5:1_au=on:bd=off:e2e=on:fde=none:fs=off:fsr=off:sos=on:i=902:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/902Mi)
% 2.21/1.54  % (8960)Instruction limit reached!
% 2.21/1.54  % (8960)------------------------------
% 2.21/1.54  % (8960)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.54  % (8960)Termination reason: Unknown
% 2.21/1.54  % (8960)Termination phase: shuffling
% 2.21/1.54  
% 2.21/1.54  % (8960)Memory used [KB]: 1279
% 2.21/1.54  % (8960)Time elapsed: 0.004 s
% 2.21/1.54  % (8960)Instructions burned: 7 (million)
% 2.21/1.54  % (8960)------------------------------
% 2.21/1.54  % (8960)------------------------------
% 2.21/1.55  % (8958)Instruction limit reached!
% 2.21/1.55  % (8958)------------------------------
% 2.21/1.55  % (8958)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.55  % (8958)Termination reason: Unknown
% 2.21/1.55  % (8958)Termination phase: Property scanning
% 2.21/1.55  
% 2.21/1.55  % (8958)Memory used [KB]: 1407
% 2.21/1.55  % (8958)Time elapsed: 0.012 s
% 2.21/1.55  % (8958)Instructions burned: 20 (million)
% 2.21/1.55  % (8958)------------------------------
% 2.21/1.55  % (8958)------------------------------
% 2.21/1.55  % (8962)dis+21_1:8_apa=on:cnfonf=off:fd=off:fsr=off:hud=0:ins=1:kws=inv_frequency:nwc=10.0:ss=axioms:st=5.0:i=21:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/21Mi)
% 2.21/1.56  % (8962)Instruction limit reached!
% 2.21/1.56  % (8962)------------------------------
% 2.21/1.56  % (8962)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.56  % (8962)Termination reason: Unknown
% 2.21/1.56  % (8962)Termination phase: SInE selection
% 2.21/1.56  
% 2.21/1.56  % (8962)Memory used [KB]: 1407
% 2.21/1.56  % (8962)Time elapsed: 0.007 s
% 2.21/1.56  % (8962)Instructions burned: 21 (million)
% 2.21/1.56  % (8962)------------------------------
% 2.21/1.56  % (8962)------------------------------
% 2.21/1.56  % (8963)dis+10_1:1_cnfonf=lazy_gen:fe=off:i=5:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/5Mi)
% 2.21/1.56  % (8963)Instruction limit reached!
% 2.21/1.56  % (8963)------------------------------
% 2.21/1.56  % (8963)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.56  % (8963)Termination reason: Unknown
% 2.21/1.56  % (8963)Termination phase: shuffling
% 2.21/1.56  
% 2.21/1.56  % (8963)Memory used [KB]: 1151
% 2.21/1.56  % (8963)Time elapsed: 0.004 s
% 2.21/1.56  % (8963)Instructions burned: 5 (million)
% 2.21/1.56  % (8963)------------------------------
% 2.21/1.56  % (8963)------------------------------
% 2.21/1.57  % (8964)lrs+2_1:1_cnfonf=lazy_not_gen_be_off:cs=on:fe=off:hud=10:inj=on:ins=3:plsq=on:plsqc=1:sd=10:ss=axioms:tnu=1:i=6:si=on:rtra=on_0 on DTF2THF_8823 for (2999ds/6Mi)
% 2.21/1.57  % (8964)Instruction limit reached!
% 2.21/1.57  % (8964)------------------------------
% 2.21/1.57  % (8964)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.57  % (8964)Termination reason: Unknown
% 2.21/1.57  % (8964)Termination phase: shuffling
% 2.21/1.57  
% 2.21/1.57  % (8964)Memory used [KB]: 1151
% 2.21/1.57  % (8964)Time elapsed: 0.003 s
% 2.21/1.57  % (8964)Instructions burned: 7 (million)
% 2.21/1.57  % (8964)------------------------------
% 2.21/1.57  % (8964)------------------------------
% 2.21/1.57  % (8965)lrs+1002_1:128_au=on:c=on:fsr=off:piset=equals:i=377:si=on:rtra=on_0 on DTF2THF_8823 for (2998ds/377Mi)
% 2.21/1.58  % (8959)First to succeed.
% 2.21/1.58  % (8966)dis+1010_1:4_atotf=0.2:c=on:cbe=off:cnfonf=lazy_simp:fe=off:ins=2:ntd=on:s2a=on:s2at=5.0:sgt=5:ss=axioms:st=1.5:i=779:si=on:rtra=on_0 on DTF2THF_8823 for (2998ds/779Mi)
% 2.21/1.58  % (8959)Refutation found. Thanks to Tanya!
% 2.21/1.58  % SZS status Theorem for DTF2THF_8823
% 2.21/1.58  % SZS output start Proof for DTF2THF_8823
% 2.21/1.58  thf(func_def_0, type, in: $i > $i > $o).
% 2.21/1.58  thf(func_def_1, type, exu: ($i > $o) > $o).
% 2.21/1.58  thf(func_def_6, type, setadjoin: $i > $i > $i).
% 2.21/1.58  thf(func_def_8, type, powerset: $i > $i).
% 2.21/1.58  thf(func_def_10, type, setunion: $i > $i).
% 2.21/1.58  thf(func_def_19, type, descr: ($i > $o) > $i).
% 2.21/1.58  thf(func_def_21, type, dsetconstr: $i > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_26, type, prop2set: $o > $i).
% 2.21/1.58  thf(func_def_36, type, nonempty: $i > $o).
% 2.21/1.58  thf(func_def_69, type, set2prop: $i > $o).
% 2.21/1.58  thf(func_def_88, type, subset: $i > $i > $o).
% 2.21/1.58  thf(func_def_89, type, disjoint: $i > $i > $o).
% 2.21/1.58  thf(func_def_90, type, setsmeet: $i > $i > $o).
% 2.21/1.58  thf(func_def_109, type, sP1: $i > $i > $o).
% 2.21/1.58  thf(func_def_110, type, sP2: $i > $o).
% 2.21/1.58  thf(func_def_111, type, sP3: $i > $i > $o).
% 2.21/1.58  thf(func_def_112, type, sP4: $i > $i > $o).
% 2.21/1.58  thf(func_def_117, type, sK9: $i > $o).
% 2.21/1.58  thf(func_def_118, type, sK10: $i > $o).
% 2.21/1.58  thf(func_def_121, type, sK13: $i > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_124, type, sK16: $i > $i).
% 2.21/1.58  thf(func_def_127, type, sK19: ($i > $o) > $i).
% 2.21/1.58  thf(func_def_128, type, sK20: $i > $o).
% 2.21/1.58  thf(func_def_134, type, sK26: $i > $i).
% 2.21/1.58  thf(func_def_142, type, sK34: $i > $o).
% 2.21/1.58  thf(func_def_146, type, sK38: $i > $i > $o).
% 2.21/1.58  thf(func_def_147, type, sK39: $i > $i).
% 2.21/1.58  thf(func_def_148, type, sK40: $i > $i).
% 2.21/1.58  thf(func_def_149, type, sK41: ($i > $i > $o) > $i > $i).
% 2.21/1.58  thf(func_def_150, type, sK42: $i > ($i > $i > $o) > $i > $i).
% 2.21/1.58  thf(func_def_151, type, sK43: ($i > $i > $o) > $i > $i).
% 2.21/1.58  thf(func_def_153, type, sK45: $i > $o).
% 2.21/1.58  thf(func_def_155, type, sK47: $i > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_156, type, sK48: $i > $o).
% 2.21/1.58  thf(func_def_158, type, sK50: $i > $i > $i).
% 2.21/1.58  thf(func_def_165, type, sK57: $i > $o).
% 2.21/1.58  thf(func_def_175, type, sK67: $o > $i > $i > $i).
% 2.21/1.58  thf(func_def_181, type, sK73: $i > $i > $i).
% 2.21/1.58  thf(func_def_188, type, sK80: $i > $i).
% 2.21/1.58  thf(func_def_189, type, sK81: $i > $i).
% 2.21/1.58  thf(func_def_190, type, sK82: ($i > $o) > $i > $i).
% 2.21/1.58  thf(func_def_192, type, sK84: $i > $o).
% 2.21/1.58  thf(func_def_198, type, sK90: $i > $i > $i).
% 2.21/1.58  thf(func_def_202, type, sK94: $i > $o).
% 2.21/1.58  thf(func_def_204, type, sK96: $i > $o).
% 2.21/1.58  thf(func_def_206, type, sK98: ($i > $o) > $i > $i).
% 2.21/1.58  thf(func_def_211, type, sK103: ($i > $o) > ($i > $o) > $i > $i > $i).
% 2.21/1.58  thf(func_def_212, type, sK104: ($i > $o) > ($i > $o) > $i > $i > $i).
% 2.21/1.58  thf(func_def_215, type, sK107: $i > $o).
% 2.21/1.58  thf(func_def_216, type, sK108: $i > $o).
% 2.21/1.58  thf(func_def_217, type, sK109: $i > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_218, type, sK110: $i > $o).
% 2.21/1.58  thf(func_def_220, type, sK112: ($i > $o) > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_221, type, sK113: ($i > $o) > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_222, type, sK114: $i > $o).
% 2.21/1.58  thf(func_def_223, type, sK115: $i > $o).
% 2.21/1.58  thf(func_def_224, type, sK116: $i > $i > $i).
% 2.21/1.58  thf(func_def_225, type, sK117: $i > $i > $i).
% 2.21/1.58  thf(func_def_231, type, sK123: $i > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_232, type, sK124: $i > $o).
% 2.21/1.58  thf(func_def_235, type, sK127: $i > $o).
% 2.21/1.58  thf(func_def_237, type, sK129: ($i > $o) > $i).
% 2.21/1.58  thf(func_def_238, type, sK130: ($i > $o) > $i).
% 2.21/1.58  thf(func_def_242, type, sK134: $i > $i).
% 2.21/1.58  thf(func_def_244, type, sK136: $i > $o).
% 2.21/1.58  thf(func_def_251, type, sK143: $i > $i > $i).
% 2.21/1.58  thf(func_def_252, type, sK144: $i > $i > $i).
% 2.21/1.58  thf(func_def_253, type, sK145: $i > $i > $i).
% 2.21/1.58  thf(func_def_254, type, sK146: $i > $i > $i).
% 2.21/1.58  thf(func_def_255, type, sK147: $i > $i > $i).
% 2.21/1.58  thf(func_def_256, type, sK148: $i > $i > $i > $i).
% 2.21/1.58  thf(func_def_257, type, sK149: $i > $i).
% 2.21/1.58  thf(func_def_258, type, sK150: $i > $i).
% 2.21/1.58  thf(func_def_259, type, sK151: $i > $i).
% 2.21/1.58  thf(func_def_260, type, sK152: $i > $i).
% 2.21/1.58  thf(func_def_261, type, sK153: $i > $i > $i > $i).
% 2.21/1.58  thf(func_def_262, type, sK154: $i > $i > $i > $i).
% 2.21/1.58  thf(func_def_263, type, sK155: $i > $i > $i).
% 2.21/1.58  thf(func_def_264, type, sK156: $i > $i > $i).
% 2.21/1.58  thf(func_def_265, type, sK157: $i > $i > $i).
% 2.21/1.58  thf(func_def_267, type, sK159: $i > $i).
% 2.21/1.58  thf(func_def_268, type, sK160: $i > $i).
% 2.21/1.58  thf(func_def_269, type, sK161: $i > $i).
% 2.21/1.58  thf(func_def_270, type, sK162: $i > $i > $i).
% 2.21/1.58  thf(func_def_278, type, sK170: $i > $i).
% 2.21/1.58  thf(func_def_280, type, sK172: $i > $o).
% 2.21/1.58  thf(func_def_281, type, sK173: $i > $o).
% 2.21/1.58  thf(func_def_282, type, sK174: ($i > $o) > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_283, type, sK175: ($i > $o) > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_284, type, sK176: $i > $o).
% 2.21/1.58  thf(func_def_287, type, sK179: $i > ($i > $o) > $i).
% 2.21/1.58  thf(func_def_289, type, sK181: $i > $i).
% 2.21/1.58  thf(func_def_292, type, sK184: $i > $o).
% 2.21/1.58  thf(func_def_302, type, sK194: ($i > $o) > $i).
% 2.21/1.58  thf(func_def_303, type, sK195: $i > $o).
% 2.21/1.58  thf(func_def_304, type, sK196: $i > $i).
% 2.21/1.58  thf(func_def_308, type, sK200: $i > $o).
% 2.21/1.58  thf(func_def_310, type, sK202: ($i > $o) > $i > $i).
% 2.21/1.58  thf(func_def_311, type, sK203: $i > $o).
% 2.21/1.58  thf(func_def_312, type, sK204: $i > $i).
% 2.21/1.58  thf(func_def_313, type, sK205: ($i > $o) > $i).
% 2.21/1.58  thf(func_def_322, type, sK214: $i > $i > $i).
% 2.21/1.58  thf(func_def_325, type, sK217: $i > $i > $i).
% 2.21/1.58  thf(func_def_334, type, sK226: $i > $o).
% 2.21/1.58  thf(func_def_338, type, sK230: $i > $o).
% 2.21/1.58  thf(func_def_340, type, sK232: $i > $o).
% 2.21/1.58  thf(func_def_343, type, ph235: !>[X0: $tType]:(X0)).
% 2.21/1.58  thf(f1877,plain,(
% 2.21/1.58    $false),
% 2.21/1.58    inference(subsumption_resolution,[status(thm)],[f1860,f938])).
% 2.21/1.58  thf(f938,plain,(
% 2.21/1.58    ((in @ sK120 @ sK121) != $true)),
% 2.21/1.58    inference(cnf_transformation,[status(thm)],[f563])).
% 2.21/1.58  thf(f563,plain,(
% 2.21/1.58    (upairsetIL = $true) & (omega__Cong = $true) & (notdallE = $true) & (prop2setI = $true) & (prop2set2propI = $true) & (setbeta = $true) & (dsetconstrER = $true) & (emptysetAx = $true) & (nonemptyI1 = $true) & (emptyinPowerset = $true) & (setadjoinOr = $true) & (eqimpsubset1 = $true) & (notdexE = $true) & (foundationAx = $true) & (vacuousDall = $true) & (setoftrueEq = $true) & (setadjoinIL = $true) & (prop2setE = $true) & (setextAx = $true) & (exuE1 = $true) & (emptysetE = $true) & (inCongP = $true) & (emptyE1 = $true) & (subPowSU = $true) & (emptyset__Cong = $true) & (dsetconstr__Cong = $true) & (notinemptyset = $true) & (setadjoinAx = $true) & (emptysetsubset = $true) & (quantDeMorgan4 = $true) & (exuE2 = $true) & (noeltsimpempty = $true) & (singletonsswitch = $true) & (exuI2 = $true) & (powersetI = $true) & (setext = $true) & (exuEu = $true) & (upairsetE = $true) & (setunionI = $true) & (emptyI = $true) & (subsetI2 = $true) & (nonemptyE1 = $true) & (exuE3e = $true) & (omegaSAx = $true) & (descrp = $true) & (notinsingleton = $true) & (omega0Ax = $true) & (quantDeMorgan3 = $true) & (emptyinunitempty = $true) & (setadjoin__Cong = $true) & (setunionAx = $true) & (eqinunit = $true) & (powersetAx = $true) & (dsetconstrEL = $true) & (exuE3u = $true) & (setadjoinIR = $true) & (replAx = $true) & (dsetconstrI = $true) & (nonemptyI = $true) & (omegaIndAx = $true) & (setadjoinE = $true) & (wellorderingAx = $true) & (eqimpsubset2 = $true) & (emptysetimpfalse = $true) & (quantDeMorgan2 = $true) & (upairsetIR = $true) & (in__Cong = $true) & (setunion__Cong = $true) & (exuI1 = $true) & (powersetE = $true) & (uniqinunit = $true) & (subsetI1 = $true) & (descr__Cong = $true) & (quantDeMorgan1 = $true) & (powerset__Cong = $true) & (exuI3 = $true) & (nonemptyImpWitness = $true) & (((in @ sK120 @ sK121) != $true) & ((in @ sK120 @ sK122) = $true) & ((subset @ sK122 @ sK121) = $true)) & (emptyInPowerset = $true) & (setunionE = $true) & (exu__Cong = $true)),
% 2.21/1.58    inference(skolemisation,[status(esa),new_symbols(skolem,[sK120,sK121,sK122])],[f349,f562])).
% 2.21/1.58  thf(f562,plain,(
% 2.21/1.58    ? [X0 : $i,X1 : $i,X2 : $i] : (((in @ X0 @ X1) != $true) & ((in @ X0 @ X2) = $true) & ($true = (subset @ X2 @ X1))) => (((in @ sK120 @ sK121) != $true) & ((in @ sK120 @ sK122) = $true) & ((subset @ sK122 @ sK121) = $true))),
% 2.21/1.58    introduced(definition,[],[choice_axiom])).
% 2.21/1.58  thf(f349,plain,(
% 2.21/1.58    (upairsetIL = $true) & (omega__Cong = $true) & (notdallE = $true) & (prop2setI = $true) & (prop2set2propI = $true) & (setbeta = $true) & (dsetconstrER = $true) & (emptysetAx = $true) & (nonemptyI1 = $true) & (emptyinPowerset = $true) & (setadjoinOr = $true) & (eqimpsubset1 = $true) & (notdexE = $true) & (foundationAx = $true) & (vacuousDall = $true) & (setoftrueEq = $true) & (setadjoinIL = $true) & (prop2setE = $true) & (setextAx = $true) & (exuE1 = $true) & (emptysetE = $true) & (inCongP = $true) & (emptyE1 = $true) & (subPowSU = $true) & (emptyset__Cong = $true) & (dsetconstr__Cong = $true) & (notinemptyset = $true) & (setadjoinAx = $true) & (emptysetsubset = $true) & (quantDeMorgan4 = $true) & (exuE2 = $true) & (noeltsimpempty = $true) & (singletonsswitch = $true) & (exuI2 = $true) & (powersetI = $true) & (setext = $true) & (exuEu = $true) & (upairsetE = $true) & (setunionI = $true) & (emptyI = $true) & (subsetI2 = $true) & (nonemptyE1 = $true) & (exuE3e = $true) & (omegaSAx = $true) & (descrp = $true) & (notinsingleton = $true) & (omega0Ax = $true) & (quantDeMorgan3 = $true) & (emptyinunitempty = $true) & (setadjoin__Cong = $true) & (setunionAx = $true) & (eqinunit = $true) & (powersetAx = $true) & (dsetconstrEL = $true) & (exuE3u = $true) & (setadjoinIR = $true) & (replAx = $true) & (dsetconstrI = $true) & (nonemptyI = $true) & (omegaIndAx = $true) & (setadjoinE = $true) & (wellorderingAx = $true) & (eqimpsubset2 = $true) & (emptysetimpfalse = $true) & (quantDeMorgan2 = $true) & (upairsetIR = $true) & (in__Cong = $true) & (setunion__Cong = $true) & (exuI1 = $true) & (powersetE = $true) & (uniqinunit = $true) & (subsetI1 = $true) & (descr__Cong = $true) & (quantDeMorgan1 = $true) & (powerset__Cong = $true) & (exuI3 = $true) & (nonemptyImpWitness = $true) & ? [X0 : $i,X1 : $i,X2 : $i] : (((in @ X0 @ X1) != $true) & ((in @ X0 @ X2) = $true) & ($true = (subset @ X2 @ X1))) & (emptyInPowerset = $true) & (setunionE = $true) & (exu__Cong = $true)),
% 2.21/1.58    inference(flattening,[status(thm)],[f348])).
% 2.21/1.58  thf(f348,plain,(
% 2.21/1.58    (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((? [X0 : $i,X1 : $i,X2 : $i] : ((((in @ X0 @ X1) != $true) & ((in @ X0 @ X2) = $true)) & ($true = (subset @ X2 @ X1))) & (emptysetsubset = $true)) & (subsetI2 = $true)) & (eqimpsubset1 = $true)) & (eqimpsubset2 = $true)) & (subsetI1 = $true)) & (dsetconstr__Cong = $true)) & (descr__Cong = $true)) & (exuEu = $true)) & (omega__Cong = $true)) & (setunion__Cong = $true)) & (powerset__Cong = $true)) & (setadjoin__Cong = $true)) & (emptyset__Cong = $true)) & (exu__Cong = $true)) & (exuE3u = $true)) & (in__Cong = $true)) & (inCongP = $true)) & (exuI2 = $true)) & (exuI3 = $true)) & (exuI1 = $true)) & (notdallE = $true)) & (notdexE = $true)) & (prop2set2propI = $true)) & (prop2setI = $true)) & (quantDeMorgan4 = $true)) & (quantDeMorgan3 = $true)) & (quantDeMorgan2 = $true)) & (quantDeMorgan1 = $true)) & (vacuousDall = $true)) & (emptyE1 = $true)) & (upairsetIR = $true)) & (upairsetIL = $true)) & (upairsetE = $true)) & (singletonsswitch = $true)) & (eqinunit = $true)) & (notinsingleton = $true)) & (uniqinunit = $true)) & (nonemptyImpWitness = $true)) & (exuE2 = $true)) & (subPowSU = $true)) & (setunionE = $true)) & (setunionI = $true)) & (powersetE = $true)) & (emptyInPowerset = $true)) & (emptyinPowerset = $true)) & (powersetI = $true)) & (setoftrueEq = $true)) & (setadjoinOr = $true)) & (setadjoinE = $true)) & (setadjoinIR = $true)) & (emptyinunitempty = $true)) & (setadjoinIL = $true)) & (nonemptyI1 = $true)) & (nonemptyI = $true)) & (nonemptyE1 = $true)) & (setbeta = $true)) & (noeltsimpempty = $true)) & (emptyI = $true)) & (setext = $true)) & (exuE3e = $true)) & (notinemptyset = $true)) & (emptysetimpfalse = $true)) & (emptysetE = $true)) & (prop2setE = $true)) & (exuE1 = $true)) & (dsetconstrER = $true)) & (dsetconstrEL = $true)) & (dsetconstrI = $true)) & (descrp = $true)) & (wellorderingAx = $true)) & (foundationAx = $true)) & (replAx = $true)) & (omegaIndAx = $true)) & (omegaSAx = $true)) & (omega0Ax = $true)) & (setunionAx = $true)) & (powersetAx = $true)) & (setadjoinAx = $true)) & (emptysetAx = $true)) & (setextAx = $true)),
% 2.21/1.58    inference(ennf_transformation,[status(thm)],[f238])).
% 2.21/1.58  thf(f238,plain,(
% 2.21/1.58    ~((setextAx = $true) => ((emptysetAx = $true) => ((setadjoinAx = $true) => ((powersetAx = $true) => ((setunionAx = $true) => ((omega0Ax = $true) => ((omegaSAx = $true) => ((omegaIndAx = $true) => ((replAx = $true) => ((foundationAx = $true) => ((wellorderingAx = $true) => ((descrp = $true) => ((dsetconstrI = $true) => ((dsetconstrEL = $true) => ((dsetconstrER = $true) => ((exuE1 = $true) => ((prop2setE = $true) => ((emptysetE = $true) => ((emptysetimpfalse = $true) => ((notinemptyset = $true) => ((exuE3e = $true) => ((setext = $true) => ((emptyI = $true) => ((noeltsimpempty = $true) => ((setbeta = $true) => ((nonemptyE1 = $true) => ((nonemptyI = $true) => ((nonemptyI1 = $true) => ((setadjoinIL = $true) => ((emptyinunitempty = $true) => ((setadjoinIR = $true) => ((setadjoinE = $true) => ((setadjoinOr = $true) => ((setoftrueEq = $true) => ((powersetI = $true) => ((emptyinPowerset = $true) => ((emptyInPowerset = $true) => ((powersetE = $true) => ((setunionI = $true) => ((setunionE = $true) => ((subPowSU = $true) => ((exuE2 = $true) => ((nonemptyImpWitness = $true) => ((uniqinunit = $true) => ((notinsingleton = $true) => ((eqinunit = $true) => ((singletonsswitch = $true) => ((upairsetE = $true) => ((upairsetIL = $true) => ((upairsetIR = $true) => ((emptyE1 = $true) => ((vacuousDall = $true) => ((quantDeMorgan1 = $true) => ((quantDeMorgan2 = $true) => ((quantDeMorgan3 = $true) => ((quantDeMorgan4 = $true) => ((prop2setI = $true) => ((prop2set2propI = $true) => ((notdexE = $true) => ((notdallE = $true) => ((exuI1 = $true) => ((exuI3 = $true) => ((exuI2 = $true) => ((inCongP = $true) => ((in__Cong = $true) => ((exuE3u = $true) => ((exu__Cong = $true) => ((emptyset__Cong = $true) => ((setadjoin__Cong = $true) => ((powerset__Cong = $true) => ((setunion__Cong = $true) => ((omega__Cong = $true) => ((exuEu = $true) => ((descr__Cong = $true) => ((dsetconstr__Cong = $true) => ((subsetI1 = $true) => ((eqimpsubset2 = $true) => ((eqimpsubset1 = $true) => ((subsetI2 = $true) => ((emptysetsubset = $true) => ! [X0 : $i,X1 : $i,X2 : $i] : (($true = (subset @ X2 @ X1)) => (((in @ X0 @ X2) = $true) => ((in @ X0 @ X1) = $true)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.21/1.58    inference(fool_elimination,[status(thm)],[f237])).
% 2.21/1.58  thf(f237,plain,(
% 2.21/1.58    ~(setextAx => (emptysetAx => (setadjoinAx => (powersetAx => (setunionAx => (omega0Ax => (omegaSAx => (omegaIndAx => (replAx => (foundationAx => (wellorderingAx => (descrp => (dsetconstrI => (dsetconstrEL => (dsetconstrER => (exuE1 => (prop2setE => (emptysetE => (emptysetimpfalse => (notinemptyset => (exuE3e => (setext => (emptyI => (noeltsimpempty => (setbeta => (nonemptyE1 => (nonemptyI => (nonemptyI1 => (setadjoinIL => (emptyinunitempty => (setadjoinIR => (setadjoinE => (setadjoinOr => (setoftrueEq => (powersetI => (emptyinPowerset => (emptyInPowerset => (powersetE => (setunionI => (setunionE => (subPowSU => (exuE2 => (nonemptyImpWitness => (uniqinunit => (notinsingleton => (eqinunit => (singletonsswitch => (upairsetE => (upairsetIL => (upairsetIR => (emptyE1 => (vacuousDall => (quantDeMorgan1 => (quantDeMorgan2 => (quantDeMorgan3 => (quantDeMorgan4 => (prop2setI => (prop2set2propI => (notdexE => (notdallE => (exuI1 => (exuI3 => (exuI2 => (inCongP => (in__Cong => (exuE3u => (exu__Cong => (emptyset__Cong => (setadjoin__Cong => (powerset__Cong => (setunion__Cong => (omega__Cong => (exuEu => (descr__Cong => (dsetconstr__Cong => (subsetI1 => (eqimpsubset2 => (eqimpsubset1 => (subsetI2 => (emptysetsubset => ! [X0 : $i,X1 : $i,X2 : $i] : ((subset @ X2 @ X1) => ((in @ X0 @ X2) => (in @ X0 @ X1)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.21/1.58    inference(rectify,[status(thm)],[f85])).
% 2.21/1.58  thf(f85,negated_conjecture,(
% 2.21/1.58    ~(setextAx => (emptysetAx => (setadjoinAx => (powersetAx => (setunionAx => (omega0Ax => (omegaSAx => (omegaIndAx => (replAx => (foundationAx => (wellorderingAx => (descrp => (dsetconstrI => (dsetconstrEL => (dsetconstrER => (exuE1 => (prop2setE => (emptysetE => (emptysetimpfalse => (notinemptyset => (exuE3e => (setext => (emptyI => (noeltsimpempty => (setbeta => (nonemptyE1 => (nonemptyI => (nonemptyI1 => (setadjoinIL => (emptyinunitempty => (setadjoinIR => (setadjoinE => (setadjoinOr => (setoftrueEq => (powersetI => (emptyinPowerset => (emptyInPowerset => (powersetE => (setunionI => (setunionE => (subPowSU => (exuE2 => (nonemptyImpWitness => (uniqinunit => (notinsingleton => (eqinunit => (singletonsswitch => (upairsetE => (upairsetIL => (upairsetIR => (emptyE1 => (vacuousDall => (quantDeMorgan1 => (quantDeMorgan2 => (quantDeMorgan3 => (quantDeMorgan4 => (prop2setI => (prop2set2propI => (notdexE => (notdallE => (exuI1 => (exuI3 => (exuI2 => (inCongP => (in__Cong => (exuE3u => (exu__Cong => (emptyset__Cong => (setadjoin__Cong => (powerset__Cong => (setunion__Cong => (omega__Cong => (exuEu => (descr__Cong => (dsetconstr__Cong => (subsetI1 => (eqimpsubset2 => (eqimpsubset1 => (subsetI2 => (emptysetsubset => ! [X1 : $i,X4 : $i,X3 : $i] : ((subset @ X3 @ X4) => ((in @ X1 @ X3) => (in @ X1 @ X4)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.21/1.58    inference(negated_conjecture,[status(cth)],[f84])).
% 2.21/1.58  thf(f84,conjecture,(
% 2.21/1.58    setextAx => (emptysetAx => (setadjoinAx => (powersetAx => (setunionAx => (omega0Ax => (omegaSAx => (omegaIndAx => (replAx => (foundationAx => (wellorderingAx => (descrp => (dsetconstrI => (dsetconstrEL => (dsetconstrER => (exuE1 => (prop2setE => (emptysetE => (emptysetimpfalse => (notinemptyset => (exuE3e => (setext => (emptyI => (noeltsimpempty => (setbeta => (nonemptyE1 => (nonemptyI => (nonemptyI1 => (setadjoinIL => (emptyinunitempty => (setadjoinIR => (setadjoinE => (setadjoinOr => (setoftrueEq => (powersetI => (emptyinPowerset => (emptyInPowerset => (powersetE => (setunionI => (setunionE => (subPowSU => (exuE2 => (nonemptyImpWitness => (uniqinunit => (notinsingleton => (eqinunit => (singletonsswitch => (upairsetE => (upairsetIL => (upairsetIR => (emptyE1 => (vacuousDall => (quantDeMorgan1 => (quantDeMorgan2 => (quantDeMorgan3 => (quantDeMorgan4 => (prop2setI => (prop2set2propI => (notdexE => (notdallE => (exuI1 => (exuI3 => (exuI2 => (inCongP => (in__Cong => (exuE3u => (exu__Cong => (emptyset__Cong => (setadjoin__Cong => (powerset__Cong => (setunion__Cong => (omega__Cong => (exuEu => (descr__Cong => (dsetconstr__Cong => (subsetI1 => (eqimpsubset2 => (eqimpsubset1 => (subsetI2 => (emptysetsubset => ! [X1 : $i,X4 : $i,X3 : $i] : ((subset @ X3 @ X4) => ((in @ X1 @ X3) => (in @ X1 @ X4))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),
% 2.21/1.58    file('/export/starexec/sandbox/tmp/tmp.zzPQHf08sA/DTF2THF_8823.p',subsetE)).
% 2.21/1.58  thf(f1860,plain,(
% 2.21/1.58    ((in @ sK120 @ sK121) = $true)),
% 2.21/1.58    inference(trivial_inequality_removal,[status(thm)],[f1844])).
% 2.21/1.58  thf(f1844,plain,(
% 2.21/1.58    ((in @ sK120 @ sK121) = $true) | ($true = $false)),
% 2.21/1.58    inference(superposition,[status(thm)],[f937,f1641])).
% 2.21/1.58  thf(f1641,plain,(
% 2.21/1.58    ( ! [X1 : $i] : (((in @ X1 @ sK122) = $false) | ((in @ X1 @ sK121) = $true)) )),
% 2.21/1.58    inference(binary_proxy_clausification,[status(thm)],[f1640])).
% 2.21/1.58  thf(f1640,plain,(
% 2.21/1.58    ( ! [X1 : $i] : ((((in @ X1 @ sK122) => (in @ X1 @ sK121)) = $true)) )),
% 2.21/1.58    inference(beta_eta_normalization,[status(thm)],[f1639])).
% 2.21/1.58  thf(f1639,plain,(
% 2.21/1.58    ( ! [X1 : $i] : ((((^[Y0 : $i]: ((in @ Y0 @ sK122) => (in @ Y0 @ sK121))) @ X1) = $true)) )),
% 2.21/1.58    inference(pi_clausification,[status(thm)],[f1638])).
% 2.21/1.58  thf(f1638,plain,(
% 2.21/1.58    ((!! @ $i @ (^[Y0 : $i]: ((in @ Y0 @ sK122) => (in @ Y0 @ sK121)))) = $true)),
% 2.21/1.58    inference(beta_eta_normalization,[status(thm)],[f1350])).
% 2.21/1.58  thf(f1350,plain,(
% 2.21/1.58    ($true = ((^[Y0 : $i]: ((^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (in @ Y2 @ Y1))))))) @ sK122 @ sK121))),
% 2.21/1.58    inference(definition_unfolding,[status(thm)],[f936,f1154])).
% 2.21/1.58  thf(f1154,plain,(
% 2.21/1.58    (subset = (^[Y0 : $i]: ((^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (in @ Y2 @ Y1))))))))),
% 2.21/1.58    inference(cnf_transformation,[status(thm)],[f100])).
% 2.21/1.58  thf(f100,plain,(
% 2.21/1.58    (subset = (^[Y0 : $i]: ((^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (in @ Y2 @ Y1))))))))),
% 2.21/1.58    inference(fool_elimination,[status(thm)],[f99])).
% 2.21/1.58  thf(f99,plain,(
% 2.21/1.58    (subset = (^[X0 : $i, X1 : $i] : (! [X2 : $i] : ((in @ X2 @ X0) => (in @ X2 @ X1)))))),
% 2.21/1.58    inference(rectify,[status(thm)],[f78])).
% 2.21/1.58  thf(f78,axiom,(
% 2.21/1.58    (subset = (^[X3 : $i, X4 : $i] : (! [X1 : $i] : ((in @ X1 @ X3) => (in @ X1 @ X4)))))),
% 2.21/1.58    file('/export/starexec/sandbox/tmp/tmp.zzPQHf08sA/DTF2THF_8823.p',subset)).
% 2.21/1.58  thf(f936,plain,(
% 2.21/1.58    ((subset @ sK122 @ sK121) = $true)),
% 2.21/1.58    inference(cnf_transformation,[status(thm)],[f563])).
% 2.21/1.58  thf(f937,plain,(
% 2.21/1.58    ((in @ sK120 @ sK122) = $true)),
% 2.21/1.58    inference(cnf_transformation,[status(thm)],[f563])).
% 2.21/1.58  % SZS output end Proof for DTF2THF_8823
% 2.21/1.58  % (8959)------------------------------
% 2.21/1.58  % (8959)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 2.21/1.58  % (8959)Termination reason: Refutation
% 2.21/1.58  
% 2.21/1.58  % (8959)Memory used [KB]: 7036
% 2.21/1.58  % (8959)Time elapsed: 0.046 s
% 2.21/1.58  % (8959)Instructions burned: 143 (million)
% 2.21/1.58  % (8959)------------------------------
% 2.21/1.58  % (8959)------------------------------
% 2.21/1.58  % (8938)Success in time 0.122 s
%------------------------------------------------------------------------------