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Vampire-SAT---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : SEU515^1 : TPTP v9.3.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT

% Computer : n016.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Sep 30 08:32:15 AM UTC 2026

% Result   : Theorem 0.21s 0.29s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   27
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   48 (  21 unt;   0 typ;   3 def)
%            Number of atoms       :  736 ( 212 equ;   0 cnn)
%            Maximal formula atoms :   37 (  15 avg)
%            Number of connectives :  509 (  24   ~;  40   |; 102   &; 179   @)
%                                         (   5 <=>; 144  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   43 (   8 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   92 (  88 usr;  41 con; 0-4 aty)
%                                         (  15  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :   72 (   0 sgn  46   !;   8   ?;  72   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    sTfun: ( $tType * $tType ) > $tType ).

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

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

thf(func_def_3,type,
    setextAx: $o ).

thf(func_def_5,type,
    emptysetAx: $o ).

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

thf(func_def_7,type,
    setadjoinAx: $o ).

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

thf(func_def_9,type,
    powersetAx: $o ).

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

thf(func_def_11,type,
    setunionAx: $o ).

thf(func_def_13,type,
    omega0Ax: $o ).

thf(func_def_14,type,
    omegaSAx: $o ).

thf(func_def_15,type,
    omegaIndAx: $o ).

thf(func_def_16,type,
    replAx: $o ).

thf(func_def_17,type,
    foundationAx: $o ).

thf(func_def_18,type,
    wellorderingAx: $o ).

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

thf(func_def_20,type,
    descrp: $o ).

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

thf(func_def_22,type,
    dsetconstrI: $o ).

thf(func_def_23,type,
    dsetconstrEL: $o ).

thf(func_def_24,type,
    dsetconstrER: $o ).

thf(func_def_25,type,
    exuE1: $o ).

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

thf(func_def_27,type,
    prop2setE: $o ).

thf(func_def_28,type,
    emptysetE: $o ).

thf(func_def_29,type,
    emptysetimpfalse: $o ).

thf(func_def_30,type,
    notinemptyset: $o ).

thf(func_def_31,type,
    exuE3e: $o ).

thf(func_def_32,type,
    setext: $o ).

thf(func_def_33,type,
    emptyI: $o ).

thf(func_def_34,type,
    noeltsimpempty: $o ).

thf(func_def_35,type,
    setbeta: $o ).

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

thf(func_def_37,type,
    nonemptyE1: $o ).

thf(func_def_38,type,
    nonemptyI: $o ).

thf(func_def_39,type,
    nonemptyI1: $o ).

thf(func_def_40,type,
    setadjoinIL: $o ).

thf(func_def_41,type,
    emptyinunitempty: $o ).

thf(func_def_42,type,
    setadjoinIR: $o ).

thf(func_def_43,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_44,type,
    vAND: $o > $o > $o ).

thf(func_def_45,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_46,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_47,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_48,type,
    vIMP: $o > $o > $o ).

thf(func_def_49,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_50,type,
    vEQ: 
      !>[X0: $tType] : ( X0 > X0 > $o ) ).

thf(func_def_51,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_52,type,
    vIFF: $o > $o > $o ).

thf(func_def_53,type,
    vNOT: $o > $o ).

thf(func_def_54,type,
    vOR: $o > $o > $o ).

thf(func_def_55,type,
    db4: 
      !>[X0: $tType] : X0 ).

thf(func_def_56,type,
    db3: 
      !>[X0: $tType] : X0 ).

thf(func_def_62,type,
    sK3: $o ).

thf(func_def_63,type,
    sK4: $i > $i ).

thf(func_def_64,type,
    sK5: $i > $i ).

thf(func_def_65,type,
    sK6: $i > $i ).

thf(func_def_66,type,
    sK7: $i > $i > $i ).

thf(func_def_67,type,
    sK8: $i > $i > $i ).

thf(func_def_68,type,
    sK9: ( $i > $o ) > $i ).

thf(func_def_69,type,
    sK10: ( $i > $o ) > $i > $i ).

thf(func_def_70,type,
    sK11: ( $i > $o ) > $i ).

thf(func_def_71,type,
    sK12: ( $i > $o ) > $i > $i ).

thf(func_def_72,type,
    sK13: ( $i > $o ) > $i > $i ).

thf(func_def_73,type,
    sK14: $i > $i ).

thf(func_def_74,type,
    sK15: $i > $i > $i > $i ).

thf(func_def_75,type,
    sK16: $i > $i > $i ).

thf(func_def_76,type,
    sK17: $i > $i > $i ).

thf(func_def_77,type,
    sK18: $i > $i > $i ).

thf(func_def_78,type,
    sK19: $i > $i ).

thf(func_def_79,type,
    sK20: $i > ( $i > $i > $o ) > $i ).

thf(func_def_80,type,
    sK21: $i > ( $i > $i > $o ) > $i ).

thf(func_def_81,type,
    sK22: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_82,type,
    sK23: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_83,type,
    sK24: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_84,type,
    sK25: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_85,type,
    sK26: $i > $i ).

thf(func_def_86,type,
    sK27: $i > $i > $i ).

thf(func_def_87,type,
    sK28: $i > $i > $i ).

thf(func_def_88,type,
    sK29: $i > $i > $i ).

thf(f4,axiom,
    ( setadjoinAx
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X2 @ ( setadjoin @ X0 @ X1 ) )
        <=> ( ( in @ X2 @ X1 )
            | ( X2 = X0 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',setadjoinAx) ).

thf(f35,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
                                                               => ! [X0: $i,X1: $i,X2: $i] :
                                                                    ( ( in @ X2 @ ( setadjoin @ X0 @ X1 ) )
                                                                   => ! [X3: $o] :
                                                                        ( ( ( X2 = X0 )
                                                                         => X3 )
                                                                       => ( ( ( in @ X2 @ X1 )
                                                                           => X3 )
                                                                         => X3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',setadjoinE) ).

thf(f36,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
                                                                 => ! [X0: $i,X1: $i,X2: $i] :
                                                                      ( ( in @ X2 @ ( setadjoin @ X0 @ X1 ) )
                                                                     => ! [X3: $o] :
                                                                          ( ( ( X2 = X0 )
                                                                           => X3 )
                                                                         => ( ( ( in @ X2 @ X1 )
                                                                             => X3 )
                                                                           => X3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f35]) ).

thf(f43,plain,
    ( setadjoinAx
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X2 @ ( setadjoin @ X0 @ X1 ) )
        <=> ( ( in @ X2 @ X1 )
            | ( X2 = X0 ) ) ) ) ),
    inference(rectify,[],[f4]) ).

thf(f44,plain,
    ( setadjoinAx
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( setadjoin @ Y2 @ Y1 ) )
                  = ( ( Y2 = Y0 )
                    | ( in @ Y0 @ Y1 ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f43]) ).

thf(f100,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
                                                                 => ! [X0: $i,X1: $i,X2: $i] :
                                                                      ( ( in @ X2 @ ( setadjoin @ X0 @ X1 ) )
                                                                     => ! [X3: $o] :
                                                                          ( ( ( X2 = X0 )
                                                                           => X3 )
                                                                         => ( ( ( in @ X2 @ X1 )
                                                                             => X3 )
                                                                           => X3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[],[f36]) ).

thf(f101,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 )
                                                                 => ! [X0: $i,X1: $i,X2: $i] :
                                                                      ( ( ( in @ X2 @ ( setadjoin @ X0 @ X1 ) )
                                                                        = $true )
                                                                     => ! [X3: $o] :
                                                                          ( ( ( X0 = X2 )
                                                                           => ( $true = X3 ) )
                                                                         => ( ( ( ( in @ X2 @ X1 )
                                                                                = $true )
                                                                             => ( $true = X3 ) )
                                                                           => ( $true = X3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f100]) ).

thf(f102,plain,
    ( ? [X0: $i,X1: $i,X2: $i] :
        ( ? [X3: $o] :
            ( ( $true != X3 )
            & ( ( $true = X3 )
              | ( ( in @ X2 @ X1 )
               != $true ) )
            & ( ( $true = X3 )
              | ( X0 != X2 ) ) )
        & ( ( in @ X2 @ ( setadjoin @ X0 @ X1 ) )
          = $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,[],[f101]) ).

thf(f103,plain,
    ( ? [X0: $i,X1: $i,X2: $i] :
        ( ? [X3: $o] :
            ( ( $true != X3 )
            & ( ( $true = X3 )
              | ( ( in @ X2 @ X1 )
               != $true ) )
            & ( ( $true = X3 )
              | ( X0 != X2 ) ) )
        & ( ( in @ X2 @ ( setadjoin @ X0 @ X1 ) )
          = $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(flattening,[],[f102]) ).

thf(f104,plain,
    ( ( $true != sK3 )
    & ( ( $true = sK3 )
      | ( $true
       != ( in @ sK2 @ sK1 ) ) )
    & ( ( $true = sK3 )
      | ( sK0 != sK2 ) )
    & ( $true
      = ( in @ sK2 @ ( setadjoin @ sK0 @ sK1 ) ) )
    & ( 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(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3)],[f103]) ).

thf(f108,plain,
    ( setadjoinAx
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( setadjoin @ Y2 @ Y1 ) )
                  = ( ( Y2 = Y0 )
                    | ( in @ Y0 @ Y1 ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f44]) ).

thf(f141,plain,
    setadjoinAx = $true,
    inference(cnf_transformation,[],[f104]) ).

thf(f170,plain,
    ( $true
    = ( in @ sK2 @ ( setadjoin @ sK0 @ sK1 ) ) ),
    inference(cnf_transformation,[],[f104]) ).

thf(f171,plain,
    ( ( $true = sK3 )
    | ( sK0 != sK2 ) ),
    inference(cnf_transformation,[],[f104]) ).

thf(f172,plain,
    ( ( $true = sK3 )
    | ( $true
     != ( in @ sK2 @ sK1 ) ) ),
    inference(cnf_transformation,[],[f104]) ).

thf(f173,plain,
    $true != sK3,
    inference(cnf_transformation,[],[f104]) ).

thf(f178,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( setadjoin @ Y2 @ Y1 ) )
                  = ( ( Y2 = Y0 )
                    | ( in @ Y0 @ Y1 ) ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f108,f141]) ).

thf(f565,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y0 @ ( setadjoin @ Y2 @ Y1 ) )
                    = ( ( Y2 = Y0 )
                      | ( in @ Y0 @ Y1 ) ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f178]) ).

thf(f566,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ X1 @ ( setadjoin @ Y1 @ Y0 ) )
                = ( ( Y1 = X1 )
                  | ( in @ X1 @ Y0 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f565]) ).

thf(f567,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ X1 @ ( setadjoin @ Y1 @ Y0 ) )
                = ( ( Y1 = X1 )
                  | ( in @ X1 @ Y0 ) ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f566]) ).

thf(f568,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ X1 @ ( setadjoin @ Y0 @ X2 ) )
            = ( ( Y0 = X1 )
              | ( in @ X1 @ X2 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f567]) ).

thf(f569,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( in @ X1 @ ( setadjoin @ Y0 @ X2 ) )
            = ( ( Y0 = X1 )
              | ( in @ X1 @ X2 ) ) )
        @ X3 ) ),
    inference(pi_proxy_clausification,[],[f568]) ).

thf(f570,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ( in @ X1 @ ( setadjoin @ X3 @ X2 ) )
        = ( ( X3 = X1 )
          | ( in @ X1 @ X2 ) ) ) ),
    inference(beta-eta_normalization,[],[f569]) ).

thf(f571,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( in @ X1 @ ( setadjoin @ X3 @ X2 ) )
      = ( ( X3 = X1 )
        | ( in @ X1 @ X2 ) ) ),
    inference(iff_proxy_clausification,[],[f570]) ).

thf(f573,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( setadjoin @ X3 @ X2 ) ) )
      | ( $true
        = ( ( X3 = X1 )
          | ( in @ X1 @ X2 ) ) ) ),
    inference(iff_proxy_clausification,[],[f571]) ).

thf(f574,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( setadjoin @ X3 @ X2 ) ) )
      | ( ( in @ X1 @ X2 )
        = $true )
      | ( $true
        = ( X3 = X1 ) ) ),
    inference(or_proxy_clausification,[],[f573]) ).

thf(f575,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( setadjoin @ X3 @ X2 ) ) )
      | ( ( in @ X1 @ X2 )
        = $true )
      | ( X1 = X3 ) ),
    inference(equality_proxy_clausification,[],[f574]) ).

thf(f594,definition,
    ( spl30_1
  <=> ( sK0 = sK2 ) ),
    introduced(definition,[new_symbols(definition,[spl30_1])],[avatar_definition]) ).

thf(f596,plain,
    ( ( sK0 != sK2 )
    | spl30_1 ),
    inference(avatar_component_clause,[],[f594]) ).

thf(f598,definition,
    ( spl30_2
  <=> ( $true = sK3 ) ),
    introduced(definition,[new_symbols(definition,[spl30_2])],[avatar_definition]) ).

thf(f601,plain,
    ( ~ spl30_1
    | spl30_2 ),
    inference(avatar_split_clause,[],[f171,f598,f594]) ).

thf(f603,definition,
    ( spl30_3
  <=> ( $true
      = ( in @ sK2 @ sK1 ) ) ),
    introduced(definition,[new_symbols(definition,[spl30_3])],[avatar_definition]) ).

thf(f605,plain,
    ( ( $true
     != ( in @ sK2 @ sK1 ) )
    | spl30_3 ),
    inference(avatar_component_clause,[],[f603]) ).

thf(f606,plain,
    ( ~ spl30_3
    | spl30_2 ),
    inference(avatar_split_clause,[],[f172,f598,f603]) ).

thf(f607,plain,
    ~ spl30_2,
    inference(avatar_split_clause,[],[f173,f598]) ).

thf(f998,plain,
    ( ( $false = $true )
    | ( $true
      = ( in @ sK2 @ sK1 ) )
    | ( sK0 = sK2 ) ),
    inference(constrained_superposition,[],[f575,f170]) ).

thf(f1024,plain,
    ( ( $true
      = ( in @ sK2 @ sK1 ) )
    | ( sK0 = sK2 ) ),
    inference(trivial_inequality_removal,[],[f998]) ).

thf(f1032,plain,
    ( ( sK0 = sK2 )
    | spl30_3 ),
    inference(forward_subsumption_resolution,[],[f1024,f605]) ).

thf(f1035,plain,
    ( $false
    | spl30_1
    | spl30_3 ),
    inference(forward_subsumption_resolution,[],[f1032,f596]) ).

thf(f1036,plain,
    ( spl30_1
    | spl30_3 ),
    inference(avatar_contradiction_clause,[],[f1035]) ).

cnf(s1,plain,
    ( ~ spl30_1
    | spl30_2 ),
    inference(sat_conversion,[],[f601]) ).

cnf(s2,plain,
    ( spl30_2
    | ~ spl30_3 ),
    inference(sat_conversion,[],[f606]) ).

cnf(s3,plain,
    ~ spl30_2,
    inference(sat_conversion,[],[f607]) ).

cnf(s11,plain,
    ( spl30_1
    | spl30_3 ),
    inference(sat_conversion,[],[f1036]) ).

cnf(s12,plain,
    ~ spl30_3,
    inference(rat,[],[s2,s3]) ).

cnf(s13,plain,
    spl30_1,
    inference(rat,[],[s11,s12]) ).

cnf(s14,plain,
    $false,
    inference(rat,[],[s1,s3,s13]) ).

thf(f1037,plain,
    $false,
    inference(avatar_sat_refutation,[],[s14]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU515^1 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.05  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.19  % Computer : n016.cluster.edu
% 0.09/0.19  % Model    : x86_64 x86_64
% 0.09/0.19  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.19  % Memory   : 8046.5625MB
% 0.09/0.19  % OS       : Linux 6.8.0-71-generic
% 0.09/0.19  % CPULimit : 300
% 0.09/0.19  % WCLimit  : 300
% 0.09/0.19  % DateTime : Tue Sep 29 13:52:34 UTC 2026
% 0.09/0.19  % CPUTime  : 
% 0.09/0.19  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.23  Running first-order model finding
% 0.09/0.23  Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.21/0.29  % (379910)Will run a generic schedule for satisfiability detection.
% 0.21/0.29  % (379921)dis+10_1_sil=32000:sp=arity:random_seed=972771401:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.21/0.29  % (379919)% WARNING: option uhcvi not known.
% 0.21/0.29  % (379918)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=3404020876_2999 on theBenchmark for (2999ds/0Mi)
% 0.21/0.29  % (379920)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=1231843768:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.21/0.29  % (379922)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=812647311:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.21/0.29  % (379919)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=71704691:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.21/0.29  % (379923)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=2195535225:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.21/0.29  % (379924)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2523448162:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.21/0.29  % (379922)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.21/0.29  % (379919)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.21/0.29  % Exception at run slice level
% 0.21/0.29  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.21/0.29  % (379919)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.21/0.29  % (379921) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-379910-379921"...
% 0.21/0.29  % (379921)...printing done.
% 0.21/0.29  % (379921)Refutation found. Thanks to Tanya!
% 0.21/0.29  % SZS status Theorem for theBenchmark
% 0.21/0.29  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.29  % (379921)------------------------------
% 0.21/0.29  % (379921)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.21/0.29  % (379921)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.21/0.29  % (379921)CaDiCaL version: 2.1.3
% 0.21/0.29  % (379921)Termination reason: Refutation
% 0.21/0.29  % (379921)Time elapsed: 0.024 s
% 0.21/0.29  % (379921)Peak memory usage: 13 MB
% 0.21/0.29  % (379921)Instructions burned: 87 (million)
% 0.21/0.29  % (379910)Success in time 0.053 s
% 0.21/0.29  % Vampire exiting
%------------------------------------------------------------------------------