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

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : SEU752^2 : TPTP v9.3.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT

% Computer : n010.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 08:33:16 AM UTC 2026

% Result   : Theorem 0.22s 0.32s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   31
%            Number of leaves      :   15
% Syntax   : Number of formulae    :  167 (  75 unt;   0 typ;   9 def)
%            Number of atoms       : 1277 ( 252 equ;   0 cnn)
%            Maximal formula atoms :   10 (   7 avg)
%            Number of connectives : 2004 ( 161   ~; 154   |;  27   &;1369   @)
%                                         (   9 <=>; 185  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   20 (   4 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     :   37 (  33 usr;  21 con; 0-4 aty)
%                                         (  99  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  319 (   0 sgn 195   !;   8   ?; 319   :)

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

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

thf(func_def_1,type,
    powerset: $i > $i ).

thf(func_def_2,type,
    binunion: $i > $i > $i ).

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

thf(func_def_5,type,
    binintersect: $i > $i > $i ).

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

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

thf(func_def_8,type,
    setminusER: $o ).

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

thf(func_def_10,type,
    binintersectTERcontra: $o ).

thf(func_def_11,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_12,type,
    vIMP: $o > $o > $o ).

thf(func_def_13,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_14,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_15,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_16,type,
    vOR: $o > $o > $o ).

thf(func_def_17,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_18,type,
    vNOT: $o > $o ).

thf(func_def_19,type,
    db3: 
      !>[X0: $tType] : X0 ).

thf(f1,axiom,
    ( binunionE
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X2 @ ( binunion @ X0 @ X1 ) )
         => ( ( in @ X2 @ X1 )
            | ( in @ X2 @ X0 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',binunionE) ).

thf(f2,axiom,
    ( setminusI
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X2 @ X0 )
         => ( ~ ( in @ X2 @ X1 )
           => ( in @ X2 @ ( setminus @ X0 @ X1 ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',setminusI) ).

thf(f3,axiom,
    ( setminusER
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X2 @ ( setminus @ X0 @ X1 ) )
         => ~ ( in @ X2 @ X1 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',setminusER) ).

thf(f4,axiom,
    ( binintersectTELcontra
    = ( ! [X0: $i,X1: $i] :
          ( ( in @ X1 @ ( powerset @ X0 ) )
         => ! [X2: $i] :
              ( ( in @ X2 @ ( powerset @ X0 ) )
             => ! [X3: $i] :
                  ( ( in @ X3 @ X0 )
                 => ( ~ ( in @ X3 @ X1 )
                   => ~ ( in @ X3 @ ( binintersect @ X1 @ X2 ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',binintersectTELcontra) ).

thf(f5,axiom,
    ( binintersectTERcontra
    = ( ! [X0: $i,X1: $i] :
          ( ( in @ X1 @ ( powerset @ X0 ) )
         => ! [X2: $i] :
              ( ( in @ X2 @ ( powerset @ X0 ) )
             => ! [X3: $i] :
                  ( ( in @ X3 @ X0 )
                 => ( ~ ( in @ X3 @ X2 )
                   => ~ ( in @ X3 @ ( binintersect @ X1 @ X2 ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',binintersectTERcontra) ).

thf(f6,conjecture,
    ( binunionE
   => ( setminusI
     => ( setminusER
       => ( binintersectTELcontra
         => ( binintersectTERcontra
           => ! [X0: $i,X1: $i] :
                ( ( in @ X1 @ ( powerset @ X0 ) )
               => ! [X2: $i] :
                    ( ( in @ X2 @ ( powerset @ X0 ) )
                   => ! [X3: $i] :
                        ( ( in @ X3 @ X0 )
                       => ( ( in @ X3 @ ( binunion @ ( setminus @ X0 @ X1 ) @ ( setminus @ X0 @ X2 ) ) )
                         => ( in @ X3 @ ( setminus @ X0 @ ( binintersect @ X1 @ X2 ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',demorgan1b) ).

thf(f7,negated_conjecture,
    ~ ( binunionE
     => ( setminusI
       => ( setminusER
         => ( binintersectTELcontra
           => ( binintersectTERcontra
             => ! [X0: $i,X1: $i] :
                  ( ( in @ X1 @ ( powerset @ X0 ) )
                 => ! [X2: $i] :
                      ( ( in @ X2 @ ( powerset @ X0 ) )
                     => ! [X3: $i] :
                          ( ( in @ X3 @ X0 )
                         => ( ( in @ X3 @ ( binunion @ ( setminus @ X0 @ X1 ) @ ( setminus @ X0 @ X2 ) ) )
                           => ( in @ X3 @ ( setminus @ X0 @ ( binintersect @ X1 @ X2 ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f6]) ).

thf(f8,plain,
    ( binunionE
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X2 @ ( binunion @ X0 @ X1 ) )
         => ( ( in @ X2 @ X1 )
            | ( in @ X2 @ X0 ) ) ) ) ),
    inference(rectify,[],[f1]) ).

thf(f9,plain,
    ( binunionE
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( binunion @ Y2 @ Y1 ) )
                 => ( ( in @ Y0 @ Y2 )
                    | ( in @ Y0 @ Y1 ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f8]) ).

thf(f10,plain,
    ( setminusI
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X2 @ X0 )
         => ( ~ ( in @ X2 @ X1 )
           => ( in @ X2 @ ( setminus @ X0 @ X1 ) ) ) ) ) ),
    inference(rectify,[],[f2]) ).

thf(f11,plain,
    ( setminusI
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ Y2 )
                 => ( ~ ( in @ Y0 @ Y1 )
                   => ( in @ Y0 @ ( setminus @ Y2 @ Y1 ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f10]) ).

thf(f12,plain,
    ( setminusER
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X2 @ ( setminus @ X0 @ X1 ) )
         => ~ ( in @ X2 @ X1 ) ) ) ),
    inference(rectify,[],[f3]) ).

thf(f13,plain,
    ( setminusER
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( setminus @ Y2 @ Y1 ) )
                 => ~ ( in @ Y0 @ Y1 ) ) ) ) ) ),
    inference(fool_elimination,[],[f12]) ).

thf(f14,plain,
    ( binintersectTELcontra
    = ( ! [X0: $i,X1: $i] :
          ( ( in @ X1 @ ( powerset @ X0 ) )
         => ! [X2: $i] :
              ( ( in @ X2 @ ( powerset @ X0 ) )
             => ! [X3: $i] :
                  ( ( in @ X3 @ X0 )
                 => ( ~ ( in @ X3 @ X1 )
                   => ~ ( in @ X3 @ ( binintersect @ X1 @ X2 ) ) ) ) ) ) ) ),
    inference(rectify,[],[f4]) ).

thf(f15,plain,
    ( binintersectTELcontra
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y0 @ ( powerset @ Y1 ) )
             => ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ ( powerset @ Y1 ) )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y1 )
                         => ( ~ ( in @ Y3 @ Y0 )
                           => ~ ( in @ Y3 @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f14]) ).

thf(f16,plain,
    ( binintersectTERcontra
    = ( ! [X0: $i,X1: $i] :
          ( ( in @ X1 @ ( powerset @ X0 ) )
         => ! [X2: $i] :
              ( ( in @ X2 @ ( powerset @ X0 ) )
             => ! [X3: $i] :
                  ( ( in @ X3 @ X0 )
                 => ( ~ ( in @ X3 @ X2 )
                   => ~ ( in @ X3 @ ( binintersect @ X1 @ X2 ) ) ) ) ) ) ) ),
    inference(rectify,[],[f5]) ).

thf(f17,plain,
    ( binintersectTERcontra
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y0 @ ( powerset @ Y1 ) )
             => ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ ( powerset @ Y1 ) )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y1 )
                         => ( ~ ( in @ Y3 @ Y2 )
                           => ~ ( in @ Y3 @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f16]) ).

thf(f18,plain,
    ~ ( binunionE
     => ( setminusI
       => ( setminusER
         => ( binintersectTELcontra
           => ( binintersectTERcontra
             => ! [X0: $i,X1: $i] :
                  ( ( in @ X1 @ ( powerset @ X0 ) )
                 => ! [X2: $i] :
                      ( ( in @ X2 @ ( powerset @ X0 ) )
                     => ! [X3: $i] :
                          ( ( in @ X3 @ X0 )
                         => ( ( in @ X3 @ ( binunion @ ( setminus @ X0 @ X1 ) @ ( setminus @ X0 @ X2 ) ) )
                           => ( in @ X3 @ ( setminus @ X0 @ ( binintersect @ X1 @ X2 ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[],[f7]) ).

thf(f19,plain,
    ~ ( ( binunionE = $true )
     => ( ( setminusI = $true )
       => ( ( setminusER = $true )
         => ( ( binintersectTELcontra = $true )
           => ( ( binintersectTERcontra = $true )
             => ! [X0: $i,X1: $i] :
                  ( ( ( in @ X1 @ ( powerset @ X0 ) )
                    = $true )
                 => ! [X2: $i] :
                      ( ( ( in @ X2 @ ( powerset @ X0 ) )
                        = $true )
                     => ! [X3: $i] :
                          ( ( ( in @ X3 @ X0 )
                            = $true )
                         => ( ( ( in @ X3 @ ( binunion @ ( setminus @ X0 @ X1 ) @ ( setminus @ X0 @ X2 ) ) )
                              = $true )
                           => ( ( in @ X3 @ ( setminus @ X0 @ ( binintersect @ X1 @ X2 ) ) )
                              = $true ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f18]) ).

thf(f20,plain,
    ( ? [X0: $i,X1: $i] :
        ( ? [X2: $i] :
            ( ? [X3: $i] :
                ( ( ( in @ X3 @ ( setminus @ X0 @ ( binintersect @ X1 @ X2 ) ) )
                 != $true )
                & ( ( in @ X3 @ ( binunion @ ( setminus @ X0 @ X1 ) @ ( setminus @ X0 @ X2 ) ) )
                  = $true )
                & ( ( in @ X3 @ X0 )
                  = $true ) )
            & ( ( in @ X2 @ ( powerset @ X0 ) )
              = $true ) )
        & ( ( in @ X1 @ ( powerset @ X0 ) )
          = $true ) )
    & ( binintersectTERcontra = $true )
    & ( binintersectTELcontra = $true )
    & ( setminusER = $true )
    & ( setminusI = $true )
    & ( binunionE = $true ) ),
    inference(ennf_transformation,[],[f19]) ).

thf(f21,plain,
    ( ? [X0: $i,X1: $i] :
        ( ? [X2: $i] :
            ( ? [X3: $i] :
                ( ( ( in @ X3 @ ( setminus @ X0 @ ( binintersect @ X1 @ X2 ) ) )
                 != $true )
                & ( ( in @ X3 @ ( binunion @ ( setminus @ X0 @ X1 ) @ ( setminus @ X0 @ X2 ) ) )
                  = $true )
                & ( ( in @ X3 @ X0 )
                  = $true ) )
            & ( ( in @ X2 @ ( powerset @ X0 ) )
              = $true ) )
        & ( ( in @ X1 @ ( powerset @ X0 ) )
          = $true ) )
    & ( binintersectTERcontra = $true )
    & ( binintersectTELcontra = $true )
    & ( setminusER = $true )
    & ( setminusI = $true )
    & ( binunionE = $true ) ),
    inference(flattening,[],[f20]) ).

thf(f22,plain,
    ( ( $true
     != ( in @ sK3 @ ( setminus @ sK0 @ ( binintersect @ sK1 @ sK2 ) ) ) )
    & ( $true
      = ( in @ sK3 @ ( binunion @ ( setminus @ sK0 @ sK1 ) @ ( setminus @ sK0 @ sK2 ) ) ) )
    & ( $true
      = ( in @ sK3 @ sK0 ) )
    & ( $true
      = ( in @ sK2 @ ( powerset @ sK0 ) ) )
    & ( $true
      = ( in @ sK1 @ ( powerset @ sK0 ) ) )
    & ( binintersectTERcontra = $true )
    & ( binintersectTELcontra = $true )
    & ( setminusER = $true )
    & ( setminusI = $true )
    & ( binunionE = $true ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3)],[f21]) ).

thf(f23,plain,
    ( binunionE
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( binunion @ Y2 @ Y1 ) )
                 => ( ( in @ Y0 @ Y2 )
                    | ( in @ Y0 @ Y1 ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f9]) ).

thf(f24,plain,
    ( setminusI
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ Y2 )
                 => ( ~ ( in @ Y0 @ Y1 )
                   => ( in @ Y0 @ ( setminus @ Y2 @ Y1 ) ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f11]) ).

thf(f25,plain,
    ( setminusER
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( setminus @ Y2 @ Y1 ) )
                 => ~ ( in @ Y0 @ Y1 ) ) ) ) ) ),
    inference(cnf_transformation,[],[f13]) ).

thf(f26,plain,
    ( binintersectTELcontra
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y0 @ ( powerset @ Y1 ) )
             => ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ ( powerset @ Y1 ) )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y1 )
                         => ( ~ ( in @ Y3 @ Y0 )
                           => ~ ( in @ Y3 @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f15]) ).

thf(f27,plain,
    ( binintersectTERcontra
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y0 @ ( powerset @ Y1 ) )
             => ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ ( powerset @ Y1 ) )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y1 )
                         => ( ~ ( in @ Y3 @ Y2 )
                           => ~ ( in @ Y3 @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f17]) ).

thf(f28,plain,
    binunionE = $true,
    inference(cnf_transformation,[],[f22]) ).

thf(f29,plain,
    setminusI = $true,
    inference(cnf_transformation,[],[f22]) ).

thf(f30,plain,
    setminusER = $true,
    inference(cnf_transformation,[],[f22]) ).

thf(f31,plain,
    binintersectTELcontra = $true,
    inference(cnf_transformation,[],[f22]) ).

thf(f32,plain,
    binintersectTERcontra = $true,
    inference(cnf_transformation,[],[f22]) ).

thf(f33,plain,
    ( $true
    = ( in @ sK1 @ ( powerset @ sK0 ) ) ),
    inference(cnf_transformation,[],[f22]) ).

thf(f34,plain,
    ( $true
    = ( in @ sK2 @ ( powerset @ sK0 ) ) ),
    inference(cnf_transformation,[],[f22]) ).

thf(f35,plain,
    ( $true
    = ( in @ sK3 @ sK0 ) ),
    inference(cnf_transformation,[],[f22]) ).

thf(f36,plain,
    ( $true
    = ( in @ sK3 @ ( binunion @ ( setminus @ sK0 @ sK1 ) @ ( setminus @ sK0 @ sK2 ) ) ) ),
    inference(cnf_transformation,[],[f22]) ).

thf(f37,plain,
    ( $true
   != ( in @ sK3 @ ( setminus @ sK0 @ ( binintersect @ sK1 @ sK2 ) ) ) ),
    inference(cnf_transformation,[],[f22]) ).

thf(f40,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( binunion @ Y2 @ Y1 ) )
                 => ( ( in @ Y0 @ Y2 )
                    | ( in @ Y0 @ Y1 ) ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f23,f28]) ).

thf(f41,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ Y2 )
                 => ( ~ ( in @ Y0 @ Y1 )
                   => ( in @ Y0 @ ( setminus @ Y2 @ Y1 ) ) ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f24,f29]) ).

thf(f42,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y0 @ ( setminus @ Y2 @ Y1 ) )
                 => ~ ( in @ Y0 @ Y1 ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f25,f30]) ).

thf(f43,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y0 @ ( powerset @ Y1 ) )
             => ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ ( powerset @ Y1 ) )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y1 )
                         => ( ~ ( in @ Y3 @ Y0 )
                           => ~ ( in @ Y3 @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f26,f31]) ).

thf(f44,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y0 @ ( powerset @ Y1 ) )
             => ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ ( powerset @ Y1 ) )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y1 )
                         => ( ~ ( in @ Y3 @ Y2 )
                           => ~ ( in @ Y3 @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f27,f32]) ).

thf(f45,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ Y0 @ ( powerset @ Y1 ) )
               => ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ ( powerset @ Y1 ) )
                     => ( !! @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3 @ Y1 )
                           => ( ~ ( in @ Y3 @ Y2 )
                             => ~ ( in @ Y3 @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f44]) ).

thf(f46,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ X1 @ ( powerset @ Y0 ) )
           => ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y0 ) )
                 => ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( ~ ( in @ Y2 @ Y1 )
                         => ~ ( in @ Y2 @ ( binintersect @ X1 @ Y1 ) ) ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f45]) ).

thf(f47,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( in @ X1 @ ( powerset @ Y0 ) )
           => ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y0 ) )
                 => ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( ~ ( in @ Y2 @ Y1 )
                         => ~ ( in @ Y2 @ ( binintersect @ X1 @ Y1 ) ) ) ) ) ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f46]) ).

thf(f48,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ( in @ X1 @ ( powerset @ X2 ) )
       => ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ X2 ) )
             => ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ~ ( in @ Y1 @ Y0 )
                     => ~ ( in @ Y1 @ ( binintersect @ X1 @ Y0 ) ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f47]) ).

thf(f49,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ X2 ) )
             => ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ~ ( in @ Y1 @ Y0 )
                     => ~ ( in @ Y1 @ ( binintersect @ X1 @ Y0 ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f48]) ).

thf(f50,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ X2 ) )
             => ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ~ ( in @ Y1 @ Y0 )
                     => ~ ( in @ Y1 @ ( binintersect @ X1 @ Y0 ) ) ) ) ) )
          @ X3 ) ) ),
    inference(pi_proxy_clausification,[],[f49]) ).

thf(f51,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( ( in @ X3 @ ( powerset @ X2 ) )
         => ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( ~ ( in @ Y0 @ X3 )
                 => ~ ( in @ Y0 @ ( binintersect @ X1 @ X3 ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f50]) ).

thf(f52,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( ~ ( in @ Y0 @ X3 )
               => ~ ( in @ Y0 @ ( binintersect @ X1 @ X3 ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f51]) ).

thf(f53,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( ~ ( in @ Y0 @ X3 )
               => ~ ( in @ Y0 @ ( binintersect @ X1 @ X3 ) ) ) )
          @ X4 ) ) ),
    inference(pi_proxy_clausification,[],[f52]) ).

thf(f54,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( ( in @ X4 @ X2 )
         => ( ~ ( in @ X4 @ X3 )
           => ~ ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f53]) ).

thf(f55,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X4 @ X2 ) )
      | ( $true
        = ( ~ ( in @ X4 @ X3 )
         => ~ ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f54]) ).

thf(f56,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X4 @ X2 ) )
      | ( $false
        = ( ~ ( in @ X4 @ X3 ) ) )
      | ( $true
        = ( ~ ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f55]) ).

thf(f57,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X4 @ X2 ) )
      | ( $true
        = ( in @ X4 @ X3 ) )
      | ( $true
        = ( ~ ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) ) ) ),
    inference(not_proxy_clausification,[],[f56]) ).

thf(f58,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X4 @ X2 ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) )
      | ( $true
        = ( in @ X4 @ X3 ) ) ),
    inference(not_proxy_clausification,[],[f57]) ).

thf(f59,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ Y0 @ ( powerset @ Y1 ) )
               => ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ ( powerset @ Y1 ) )
                     => ( !! @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3 @ Y1 )
                           => ( ~ ( in @ Y3 @ Y0 )
                             => ~ ( in @ Y3 @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f43]) ).

thf(f60,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ X1 @ ( powerset @ Y0 ) )
           => ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y0 ) )
                 => ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( ~ ( in @ Y2 @ X1 )
                         => ~ ( in @ Y2 @ ( binintersect @ X1 @ Y1 ) ) ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f59]) ).

thf(f61,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( in @ X1 @ ( powerset @ Y0 ) )
           => ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y0 ) )
                 => ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( ~ ( in @ Y2 @ X1 )
                         => ~ ( in @ Y2 @ ( binintersect @ X1 @ Y1 ) ) ) ) ) ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f60]) ).

thf(f62,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ( in @ X1 @ ( powerset @ X2 ) )
       => ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ X2 ) )
             => ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ~ ( in @ Y1 @ X1 )
                     => ~ ( in @ Y1 @ ( binintersect @ X1 @ Y0 ) ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f61]) ).

thf(f63,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ X2 ) )
             => ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ~ ( in @ Y1 @ X1 )
                     => ~ ( in @ Y1 @ ( binintersect @ X1 @ Y0 ) ) ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f62]) ).

thf(f64,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ X2 ) )
             => ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ~ ( in @ Y1 @ X1 )
                     => ~ ( in @ Y1 @ ( binintersect @ X1 @ Y0 ) ) ) ) ) )
          @ X3 ) ) ),
    inference(pi_proxy_clausification,[],[f63]) ).

thf(f65,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( ( in @ X3 @ ( powerset @ X2 ) )
         => ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( ~ ( in @ Y0 @ X1 )
                 => ~ ( in @ Y0 @ ( binintersect @ X1 @ X3 ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f64]) ).

thf(f66,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( ~ ( in @ Y0 @ X1 )
               => ~ ( in @ Y0 @ ( binintersect @ X1 @ X3 ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f65]) ).

thf(f67,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( ~ ( in @ Y0 @ X1 )
               => ~ ( in @ Y0 @ ( binintersect @ X1 @ X3 ) ) ) )
          @ X4 ) ) ),
    inference(pi_proxy_clausification,[],[f66]) ).

thf(f68,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $true
        = ( ( in @ X4 @ X2 )
         => ( ~ ( in @ X4 @ X1 )
           => ~ ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f67]) ).

thf(f69,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X4 @ X2 ) )
      | ( $true
        = ( ~ ( in @ X4 @ X1 )
         => ~ ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f68]) ).

thf(f70,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X4 @ X2 ) )
      | ( $false
        = ( ~ ( in @ X4 @ X1 ) ) )
      | ( $true
        = ( ~ ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f69]) ).

thf(f71,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X4 @ X2 ) )
      | ( $true
        = ( in @ X4 @ X1 ) )
      | ( $true
        = ( ~ ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) ) ) ),
    inference(not_proxy_clausification,[],[f70]) ).

thf(f72,plain,
    ! [X2: $i,X3: $i,X1: $i,X4: $i] :
      ( ( $false
        = ( in @ X4 @ X2 ) )
      | ( $false
        = ( in @ X3 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X1 @ ( powerset @ X2 ) ) )
      | ( $false
        = ( in @ X4 @ ( binintersect @ X1 @ X3 ) ) )
      | ( $true
        = ( in @ X4 @ X1 ) ) ),
    inference(not_proxy_clausification,[],[f71]) ).

thf(f73,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y0 @ ( setminus @ Y2 @ Y1 ) )
                   => ~ ( in @ Y0 @ Y1 ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f42]) ).

thf(f74,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ X1 @ ( setminus @ Y1 @ Y0 ) )
               => ~ ( in @ X1 @ Y0 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f73]) ).

thf(f75,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ X1 @ ( setminus @ Y1 @ Y0 ) )
               => ~ ( in @ X1 @ Y0 ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f74]) ).

thf(f76,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ X1 @ ( setminus @ Y0 @ X2 ) )
           => ~ ( in @ X1 @ X2 ) ) ) ),
    inference(beta-eta_normalization,[],[f75]) ).

thf(f77,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( in @ X1 @ ( setminus @ Y0 @ X2 ) )
           => ~ ( in @ X1 @ X2 ) )
        @ X3 ) ),
    inference(pi_proxy_clausification,[],[f76]) ).

thf(f78,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ( in @ X1 @ ( setminus @ X3 @ X2 ) )
       => ~ ( in @ X1 @ X2 ) ) ),
    inference(beta-eta_normalization,[],[f77]) ).

thf(f79,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( setminus @ X3 @ X2 ) ) )
      | ( $true
        = ( ~ ( in @ X1 @ X2 ) ) ) ),
    inference(imp_proxy_clausification,[],[f78]) ).

thf(f80,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( setminus @ X3 @ X2 ) ) )
      | ( $false
        = ( in @ X1 @ X2 ) ) ),
    inference(not_proxy_clausification,[],[f79]) ).

thf(f81,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y0 @ Y2 )
                   => ( ~ ( in @ Y0 @ Y1 )
                     => ( in @ Y0 @ ( setminus @ Y2 @ Y1 ) ) ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f41]) ).

thf(f82,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ X1 @ Y1 )
               => ( ~ ( in @ X1 @ Y0 )
                 => ( in @ X1 @ ( setminus @ Y1 @ Y0 ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f81]) ).

thf(f83,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ X1 @ Y1 )
               => ( ~ ( in @ X1 @ Y0 )
                 => ( in @ X1 @ ( setminus @ Y1 @ Y0 ) ) ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f82]) ).

thf(f84,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ X1 @ Y0 )
           => ( ~ ( in @ X1 @ X2 )
             => ( in @ X1 @ ( setminus @ Y0 @ X2 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f83]) ).

thf(f85,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( in @ X1 @ Y0 )
           => ( ~ ( in @ X1 @ X2 )
             => ( in @ X1 @ ( setminus @ Y0 @ X2 ) ) ) )
        @ X3 ) ),
    inference(pi_proxy_clausification,[],[f84]) ).

thf(f86,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ( in @ X1 @ X3 )
       => ( ~ ( in @ X1 @ X2 )
         => ( in @ X1 @ ( setminus @ X3 @ X2 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f85]) ).

thf(f87,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ X3 ) )
      | ( $true
        = ( ~ ( in @ X1 @ X2 )
         => ( in @ X1 @ ( setminus @ X3 @ X2 ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f86]) ).

thf(f88,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ X3 ) )
      | ( $false
        = ( ~ ( in @ X1 @ X2 ) ) )
      | ( $true
        = ( in @ X1 @ ( setminus @ X3 @ X2 ) ) ) ),
    inference(imp_proxy_clausification,[],[f87]) ).

thf(f89,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $true
        = ( in @ X1 @ ( setminus @ X3 @ X2 ) ) )
      | ( $true
        = ( in @ X1 @ X2 ) )
      | ( $false
        = ( in @ X1 @ X3 ) ) ),
    inference(not_proxy_clausification,[],[f88]) ).

thf(f90,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y0 @ ( binunion @ Y2 @ Y1 ) )
                   => ( ( in @ Y0 @ Y2 )
                      | ( in @ Y0 @ Y1 ) ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f40]) ).

thf(f91,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ X1 @ ( binunion @ Y1 @ Y0 ) )
               => ( ( in @ X1 @ Y1 )
                  | ( in @ X1 @ Y0 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f90]) ).

thf(f92,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ X1 @ ( binunion @ Y1 @ Y0 ) )
               => ( ( in @ X1 @ Y1 )
                  | ( in @ X1 @ Y0 ) ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f91]) ).

thf(f93,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ X1 @ ( binunion @ Y0 @ X2 ) )
           => ( ( in @ X1 @ Y0 )
              | ( in @ X1 @ X2 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f92]) ).

thf(f94,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( in @ X1 @ ( binunion @ Y0 @ X2 ) )
           => ( ( in @ X1 @ Y0 )
              | ( in @ X1 @ X2 ) ) )
        @ X3 ) ),
    inference(pi_proxy_clausification,[],[f93]) ).

thf(f95,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ( in @ X1 @ ( binunion @ X3 @ X2 ) )
       => ( ( in @ X1 @ X3 )
          | ( in @ X1 @ X2 ) ) ) ),
    inference(beta-eta_normalization,[],[f94]) ).

thf(f96,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( binunion @ X3 @ X2 ) ) )
      | ( $true
        = ( ( in @ X1 @ X3 )
          | ( in @ X1 @ X2 ) ) ) ),
    inference(imp_proxy_clausification,[],[f95]) ).

thf(f97,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( in @ X1 @ ( binunion @ X3 @ X2 ) ) )
      | ( $true
        = ( in @ X1 @ X2 ) )
      | ( $true
        = ( in @ X1 @ X3 ) ) ),
    inference(or_proxy_clausification,[],[f96]) ).

thf(f101,plain,
    ( ( $true != $true )
    | ( $true
      = ( in @ sK3 @ ( binintersect @ sK1 @ sK2 ) ) )
    | ( ( in @ sK3 @ sK0 )
      = $false ) ),
    inference(constrained_superposition,[],[f37,f89]) ).

thf(f102,plain,
    ( ( $true
      = ( in @ sK3 @ ( binintersect @ sK1 @ sK2 ) ) )
    | ( ( in @ sK3 @ sK0 )
      = $false ) ),
    inference(trivial_inequality_removal,[],[f101]) ).

thf(f106,definition,
    ( spl4_1
  <=> ( ( in @ sK3 @ sK0 )
      = $false ) ),
    introduced(definition,[new_symbols(definition,[spl4_1])],[avatar_definition]) ).

thf(f108,plain,
    ( ( ( in @ sK3 @ sK0 )
      = $false )
    | ~ spl4_1 ),
    inference(avatar_component_clause,[],[f106]) ).

thf(f110,definition,
    ( spl4_2
  <=> ( $true
      = ( in @ sK3 @ ( binintersect @ sK1 @ sK2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl4_2])],[avatar_definition]) ).

thf(f112,plain,
    ( ( $true
      = ( in @ sK3 @ ( binintersect @ sK1 @ sK2 ) ) )
    | ~ spl4_2 ),
    inference(avatar_component_clause,[],[f110]) ).

thf(f113,plain,
    ( spl4_1
    | spl4_2 ),
    inference(avatar_split_clause,[],[f102,f110,f106]) ).

thf(f116,plain,
    ( ( $true = $false )
    | ( $true
      = ( in @ sK3 @ ( setminus @ sK0 @ sK2 ) ) )
    | ( $true
      = ( in @ sK3 @ ( setminus @ sK0 @ sK1 ) ) ) ),
    inference(constrained_superposition,[],[f36,f97]) ).

thf(f117,plain,
    ( ( $true
      = ( in @ sK3 @ ( setminus @ sK0 @ sK2 ) ) )
    | ( $true
      = ( in @ sK3 @ ( setminus @ sK0 @ sK1 ) ) ) ),
    inference(trivial_inequality_removal,[],[f116]) ).

thf(f120,definition,
    ( spl4_3
  <=> ( $true
      = ( in @ sK3 @ ( setminus @ sK0 @ sK1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl4_3])],[avatar_definition]) ).

thf(f122,plain,
    ( ( $true
      = ( in @ sK3 @ ( setminus @ sK0 @ sK1 ) ) )
    | ~ spl4_3 ),
    inference(avatar_component_clause,[],[f120]) ).

thf(f124,definition,
    ( spl4_4
  <=> ( $true
      = ( in @ sK3 @ ( setminus @ sK0 @ sK2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl4_4])],[avatar_definition]) ).

thf(f126,plain,
    ( ( $true
      = ( in @ sK3 @ ( setminus @ sK0 @ sK2 ) ) )
    | ~ spl4_4 ),
    inference(avatar_component_clause,[],[f124]) ).

thf(f127,plain,
    ( spl4_3
    | spl4_4 ),
    inference(avatar_split_clause,[],[f117,f124,f120]) ).

thf(f129,plain,
    ( ( $true = $false )
    | ( $false
      = ( in @ sK3 @ sK1 ) )
    | ~ spl4_3 ),
    inference(constrained_superposition,[],[f122,f80]) ).

thf(f137,definition,
    ( spl4_5
  <=> ( $true
      = ( in @ sK3 @ sK2 ) ) ),
    introduced(definition,[new_symbols(definition,[spl4_5])],[avatar_definition]) ).

thf(f139,plain,
    ( ( $true
      = ( in @ sK3 @ sK2 ) )
    | ~ spl4_5 ),
    inference(avatar_component_clause,[],[f137]) ).

thf(f142,plain,
    ( ( $true = $false )
    | ( $false
      = ( in @ sK3 @ sK2 ) )
    | ~ spl4_4 ),
    inference(constrained_superposition,[],[f80,f126]) ).

thf(f143,plain,
    ( ( $false
      = ( in @ sK3 @ sK2 ) )
    | ~ spl4_4 ),
    inference(trivial_inequality_removal,[],[f142]) ).

thf(f178,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $false
          = ( in @ sK3 @ X0 ) )
        | ( $false
          = ( in @ sK2 @ ( powerset @ X0 ) ) )
        | ( $false
          = ( in @ sK1 @ ( powerset @ X0 ) ) )
        | ( $true
          = ( in @ sK3 @ sK2 ) ) )
    | ~ spl4_2 ),
    inference(constrained_superposition,[],[f58,f112]) ).

thf(f210,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( in @ sK3 @ X0 ) )
        | ( $false
          = ( in @ sK2 @ ( powerset @ X0 ) ) )
        | ( $false
          = ( in @ sK1 @ ( powerset @ X0 ) ) )
        | ( $true
          = ( in @ sK3 @ sK2 ) ) )
    | ~ spl4_2 ),
    inference(trivial_inequality_removal,[],[f178]) ).

thf(f224,definition,
    ( spl4_6
  <=> ! [X0: $i] :
        ( ( $false
          = ( in @ sK3 @ X0 ) )
        | ( $false
          = ( in @ sK1 @ ( powerset @ X0 ) ) )
        | ( $false
          = ( in @ sK2 @ ( powerset @ X0 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl4_6])],[avatar_definition]) ).

thf(f225,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( in @ sK3 @ X0 ) )
        | ( $false
          = ( in @ sK1 @ ( powerset @ X0 ) ) )
        | ( $false
          = ( in @ sK2 @ ( powerset @ X0 ) ) ) )
    | ~ spl4_6 ),
    inference(avatar_component_clause,[],[f224]) ).

thf(f227,plain,
    ( spl4_5
    | spl4_6
    | ~ spl4_2 ),
    inference(avatar_split_clause,[],[f210,f110,f224,f137]) ).

thf(f228,plain,
    ( ( $true = $false )
    | ~ spl4_4
    | ~ spl4_5 ),
    inference(constrained_superposition,[],[f139,f143]) ).

thf(f232,plain,
    ( $false
    | ~ spl4_4
    | ~ spl4_5 ),
    inference(trivial_inequality_removal,[],[f228]) ).

thf(f233,plain,
    ( ~ spl4_4
    | ~ spl4_5 ),
    inference(avatar_contradiction_clause,[],[f232]) ).

thf(f234,plain,
    ( ( $true = $false )
    | ~ spl4_1 ),
    inference(constrained_superposition,[],[f108,f35]) ).

thf(f240,plain,
    ( $false
    | ~ spl4_1 ),
    inference(trivial_inequality_removal,[],[f234]) ).

thf(f241,plain,
    ~ spl4_1,
    inference(avatar_contradiction_clause,[],[f240]) ).

thf(f349,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $false
          = ( in @ sK3 @ X0 ) )
        | ( $false
          = ( in @ sK2 @ ( powerset @ X0 ) ) )
        | ( $false
          = ( in @ sK1 @ ( powerset @ X0 ) ) )
        | ( $true
          = ( in @ sK3 @ sK1 ) ) )
    | ~ spl4_2 ),
    inference(constrained_superposition,[],[f72,f112]) ).

thf(f380,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( in @ sK3 @ X0 ) )
        | ( $false
          = ( in @ sK2 @ ( powerset @ X0 ) ) )
        | ( $false
          = ( in @ sK1 @ ( powerset @ X0 ) ) )
        | ( $true
          = ( in @ sK3 @ sK1 ) ) )
    | ~ spl4_2 ),
    inference(trivial_inequality_removal,[],[f349]) ).

thf(f393,definition,
    ( spl4_7
  <=> ( $true
      = ( in @ sK3 @ sK1 ) ) ),
    introduced(definition,[new_symbols(definition,[spl4_7])],[avatar_definition]) ).

thf(f395,plain,
    ( ( $true
      = ( in @ sK3 @ sK1 ) )
    | ~ spl4_7 ),
    inference(avatar_component_clause,[],[f393]) ).

thf(f397,plain,
    ( spl4_7
    | spl4_6
    | ~ spl4_2 ),
    inference(avatar_split_clause,[],[f380,f110,f224,f393]) ).

thf(f405,plain,
    ( ( $true = $false )
    | ( ( in @ sK1 @ ( powerset @ sK0 ) )
      = $false )
    | ( ( in @ sK2 @ ( powerset @ sK0 ) )
      = $false )
    | ~ spl4_6 ),
    inference(constrained_superposition,[],[f225,f35]) ).

thf(f427,plain,
    ( ( ( in @ sK1 @ ( powerset @ sK0 ) )
      = $false )
    | ( ( in @ sK2 @ ( powerset @ sK0 ) )
      = $false )
    | ~ spl4_6 ),
    inference(trivial_inequality_removal,[],[f405]) ).

thf(f442,definition,
    ( spl4_10
  <=> ( ( in @ sK2 @ ( powerset @ sK0 ) )
      = $false ) ),
    introduced(definition,[new_symbols(definition,[spl4_10])],[avatar_definition]) ).

thf(f444,plain,
    ( ( ( in @ sK2 @ ( powerset @ sK0 ) )
      = $false )
    | ~ spl4_10 ),
    inference(avatar_component_clause,[],[f442]) ).

thf(f446,definition,
    ( spl4_11
  <=> ( ( in @ sK1 @ ( powerset @ sK0 ) )
      = $false ) ),
    introduced(definition,[new_symbols(definition,[spl4_11])],[avatar_definition]) ).

thf(f448,plain,
    ( ( ( in @ sK1 @ ( powerset @ sK0 ) )
      = $false )
    | ~ spl4_11 ),
    inference(avatar_component_clause,[],[f446]) ).

thf(f479,plain,
    ( spl4_10
    | spl4_11
    | ~ spl4_6 ),
    inference(avatar_split_clause,[],[f427,f224,f446,f442]) ).

thf(f517,plain,
    ( ( $true = $false )
    | ~ spl4_10 ),
    inference(constrained_superposition,[],[f444,f34]) ).

thf(f523,plain,
    ( $false
    | ~ spl4_10 ),
    inference(trivial_inequality_removal,[],[f517]) ).

thf(f524,plain,
    ~ spl4_10,
    inference(avatar_contradiction_clause,[],[f523]) ).

thf(f539,plain,
    ( ( $true = $false )
    | ~ spl4_11 ),
    inference(constrained_superposition,[],[f448,f33]) ).

thf(f545,plain,
    ( $false
    | ~ spl4_11 ),
    inference(trivial_inequality_removal,[],[f539]) ).

thf(f546,plain,
    ~ spl4_11,
    inference(avatar_contradiction_clause,[],[f545]) ).

thf(f547,plain,
    ( ( $false
      = ( in @ sK3 @ sK1 ) )
    | ~ spl4_3 ),
    inference(trivial_inequality_removal,[],[f129]) ).

thf(f550,plain,
    ( ( $true = $false )
    | ~ spl4_3
    | ~ spl4_7 ),
    inference(constrained_superposition,[],[f547,f395]) ).

thf(f556,plain,
    ( $false
    | ~ spl4_3
    | ~ spl4_7 ),
    inference(trivial_inequality_removal,[],[f550]) ).

thf(f557,plain,
    ( ~ spl4_3
    | ~ spl4_7 ),
    inference(avatar_contradiction_clause,[],[f556]) ).

cnf(s1,plain,
    ( spl4_1
    | spl4_2 ),
    inference(sat_conversion,[],[f113]) ).

cnf(s2,plain,
    ( spl4_3
    | spl4_4 ),
    inference(sat_conversion,[],[f127]) ).

cnf(s6,plain,
    ( ~ spl4_2
    | spl4_5
    | spl4_6 ),
    inference(sat_conversion,[],[f227]) ).

cnf(s8,plain,
    ( ~ spl4_4
    | ~ spl4_5 ),
    inference(sat_conversion,[],[f233]) ).

cnf(s10,plain,
    ~ spl4_1,
    inference(sat_conversion,[],[f241]) ).

cnf(s12,plain,
    ( ~ spl4_2
    | spl4_6
    | spl4_7 ),
    inference(sat_conversion,[],[f397]) ).

cnf(s20,plain,
    ( ~ spl4_6
    | spl4_10
    | spl4_11 ),
    inference(sat_conversion,[],[f479]) ).

cnf(s25,plain,
    ~ spl4_10,
    inference(sat_conversion,[],[f524]) ).

cnf(s27,plain,
    ~ spl4_11,
    inference(sat_conversion,[],[f546]) ).

cnf(s29,plain,
    ( ~ spl4_3
    | ~ spl4_7 ),
    inference(sat_conversion,[],[f557]) ).

cnf(s30,plain,
    ~ spl4_6,
    inference(rat,[],[s20,s27,s25]) ).

cnf(s31,plain,
    ( ~ spl4_2
    | spl4_7 ),
    inference(rat,[],[s12,s30]) ).

cnf(s33,plain,
    ( ~ spl4_2
    | spl4_5 ),
    inference(rat,[],[s6,s30]) ).

cnf(s36,plain,
    spl4_2,
    inference(rat,[],[s1,s10]) ).

cnf(s37,plain,
    spl4_7,
    inference(rat,[],[s31,s36]) ).

cnf(s38,plain,
    spl4_5,
    inference(rat,[],[s33,s36]) ).

cnf(s39,plain,
    ~ spl4_3,
    inference(rat,[],[s29,s37]) ).

cnf(s40,plain,
    ~ spl4_4,
    inference(rat,[],[s8,s38]) ).

cnf(s41,plain,
    $false,
    inference(rat,[],[s2,s40,s39]) ).

thf(f558,plain,
    $false,
    inference(avatar_sat_refutation,[],[s41]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU752^2 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.06  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.21  % Computer : n010.cluster.edu
% 0.08/0.21  % Model    : x86_64 x86_64
% 0.08/0.21  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.21  % Memory   : 8046.5625MB
% 0.08/0.21  % OS       : Linux 6.8.0-71-generic
% 0.08/0.21  % CPULimit : 300
% 0.08/0.21  % WCLimit  : 300
% 0.08/0.21  % DateTime : Tue Sep 29 14:22:03 UTC 2026
% 0.08/0.21  % CPUTime  : 
% 0.08/0.21  Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.24  Running first-order model finding
% 0.08/0.24  Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.22/0.32  % (2932797)Will run a generic schedule for satisfiability detection.
% 0.22/0.32  % (2932806)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=3239171057:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.22/0.32  % (2932806)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.22/0.32  % (2932808)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3553012674:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.22/0.32  % (2932803)% WARNING: option uhcvi not known.
% 0.22/0.32  % (2932803)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=412958731:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.22/0.32  % (2932802)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=24172380_2999 on theBenchmark for (2999ds/0Mi)
% 0.22/0.32  % (2932803)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.22/0.32  % (2932807)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1733357378:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.22/0.32  % (2932804)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3504325432:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.22/0.32  % (2932803)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.22/0.32  % Exception at run slice level
% 0.22/0.32  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.22/0.32  % (2932805)dis+10_1_sil=32000:sp=arity:random_seed=3263117870:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.22/0.32  % (2932808) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2932797-2932808"...
% 0.22/0.32  % (2932806) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2932797-2932806"...
% 0.22/0.32  % (2932806)...printing done.
% 0.22/0.32  % (2932808)...printing done.
% 0.22/0.32  % (2932816)fmb+10_1_fmbas=predicate:sil=64000:sas=cadical:random_seed=1108055760:i=714:nm=2_2999 on theBenchmark for (2999ds/714Mi)
% 0.22/0.32  % (2932808)Refutation found. Thanks to Tanya!
% 0.22/0.32  % SZS status Theorem for theBenchmark
% 0.22/0.32  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.32  % (2932808)------------------------------
% 0.22/0.32  % (2932808)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.32  % (2932808)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.32  % (2932808)CaDiCaL version: 2.1.3
% 0.22/0.32  % (2932808)Termination reason: Refutation
% 0.22/0.32  % (2932808)Time elapsed: 0.031 s
% 0.22/0.32  % (2932808)Peak memory usage: 13 MB
% 0.22/0.32  % (2932808)Instructions burned: 57 (million)
% 0.22/0.32  % (2932797)Success in time 0.068 s
% 0.22/0.32  % Vampire exiting
%------------------------------------------------------------------------------