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Leo-III---1.8.0.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SET802+4 : TPTP v9.3.1. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39

% Computer : n008.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 : Sun Sep 27 08:30:56 AM UTC 2026

% Result   : Theorem 18.25s 4.36s
% Output   : Refutation 16.88s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   37
% Syntax   : Number of formulae    :  168 (  37 unt;   0 typ;  15 def)
%            Number of atoms       :  906 ( 140 equ;   0 cnn)
%            Maximal formula atoms :  142 (   5 avg)
%            Number of connectives : 2994 ( 223   ~; 284   |; 205   &;2104   @)
%                                         (  22 <=>; 156  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   53 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   43 (  40 usr;   9 con; 0-4 aty)
%            Number of variables   :  453 (  20   ^; 414   !;   4   ?; 453   :)
%                                         (   0  !>;   0  ?*;   0  @-;  15  @+)

% Comments : 
%------------------------------------------------------------------------------
thf(order_decl,type,
    order: $i > $i > $o ).

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

thf(least_decl,type,
    least: $i > $i > $i > $o ).

thf(member_decl,type,
    member: $i > $i > $o ).

thf(greatest_lower_bound_decl,type,
    greatest_lower_bound: $i > $i > $i > $i > $o ).

thf(apply_decl,type,
    apply: $i > $i > $i > $o ).

thf(total_order_decl,type,
    total_order: $i > $i > $o ).

thf(min_decl,type,
    min: $i > $i > $i > $o ).

thf(power_set_decl,type,
    power_set: $i > $i ).

thf(least_upper_bound_decl,type,
    least_upper_bound: $i > $i > $i > $i > $o ).

thf(upper_bound_decl,type,
    upper_bound: $i > $i > $i > $o ).

thf(singleton_decl,type,
    singleton: $i > $i ).

thf(product_decl,type,
    product: $i > $i ).

thf(lower_bound_decl,type,
    lower_bound: $i > $i > $i > $o ).

thf(greatest_decl,type,
    greatest: $i > $i > $i > $o ).

thf(empty_set_decl,type,
    empty_set: $i ).

thf(difference_decl,type,
    difference: $i > $i > $i ).

thf(intersection_decl,type,
    intersection: $i > $i > $i ).

thf(max_decl,type,
    max: $i > $i > $i > $o ).

thf(union_decl,type,
    union: $i > $i > $i ).

thf(unordered_pair_decl,type,
    unordered_pair: $i > $i > $i ).

thf(equal_set_decl,type,
    equal_set: $i > $i > $o ).

thf(sum_decl,type,
    sum: $i > $i ).

thf(sk1_decl,type,
    sk1: $i ).

thf(sk2_decl,type,
    sk2: $i ).

thf(sk3_decl,type,
    sk3: $i ).

thf(sk4_decl,type,
    sk4: $o ).

thf(sk5_decl,type,
    sk5: $i ).

thf(sk6_decl,type,
    sk6: $i ).

thf(sk7_decl,type,
    sk7: $i > $i > $o ).

thf(sk8_decl,type,
    sk8: $i > $i > $i ).

thf(sk9_decl,type,
    sk9: $i > $i > $i ).

thf(sk10_decl,type,
    sk10: $i > $i > $i ).

thf(sk11_decl,type,
    sk11: $i > $i > $i ).

thf(sk12_decl,type,
    sk12: $i > $i > $i ).

thf(sk13_decl,type,
    sk13: $i > $i > $i ).

thf(sk14_decl,type,
    sk14: $i > $i > $i ).

thf(sk15_decl,type,
    sk15: $i > $i > $i ).

thf(sk19_decl,type,
    sk19: $i > $i > $i ).

thf(sk24_decl,type,
    sk24: $i > $i > $i ).

thf(sk1_def,definition,
    ( sk1
    = ( @+[A: $i] :
          ~ ! [B: $i] :
              ( ( B @ ( A @ order ) )
             => ! [C: $i] :
                  ( ( B @ ( C @ subset ) )
                 => ( ! [D: $i] :
                        ( ( ( B @ ( A @ ( C @ ( D @ greatest_lower_bound ) ) ) )
                          & ( C @ ( D @ member ) ) )
                       => ( C @ ( A @ ( D @ least ) ) ) )
                    & ! [D: $i] :
                        ( ( C @ ( A @ ( D @ least ) ) )
                       => ( ( B @ ( A @ ( C @ ( D @ greatest_lower_bound ) ) ) )
                          & ( C @ ( D @ member ) ) ) ) ) ) ) ) ) ).

thf(sk2_def,definition,
    ( sk2
    = ( @+[A: $i] :
          ~ ( ( A @ ( sk1 @ order ) )
           => ! [B: $i] :
                ( ( A @ ( B @ subset ) )
               => ( ! [C: $i] :
                      ( ( ( A @ ( sk1 @ ( B @ ( C @ greatest_lower_bound ) ) ) )
                        & ( B @ ( C @ member ) ) )
                     => ( B @ ( sk1 @ ( C @ least ) ) ) )
                  & ! [C: $i] :
                      ( ( B @ ( sk1 @ ( C @ least ) ) )
                     => ( ( A @ ( sk1 @ ( B @ ( C @ greatest_lower_bound ) ) ) )
                        & ( B @ ( C @ member ) ) ) ) ) ) ) ) ) ).

thf(sk3_def,definition,
    ( sk3
    = ( @+[A: $i] :
          ~ ( ( sk2 @ ( A @ subset ) )
           => ( ! [B: $i] :
                  ( ( ( sk2 @ ( sk1 @ ( A @ ( B @ greatest_lower_bound ) ) ) )
                    & ( A @ ( B @ member ) ) )
                 => ( A @ ( sk1 @ ( B @ least ) ) ) )
              & ! [B: $i] :
                  ( ( A @ ( sk1 @ ( B @ least ) ) )
                 => ( ( sk2 @ ( sk1 @ ( A @ ( B @ greatest_lower_bound ) ) ) )
                    & ( A @ ( B @ member ) ) ) ) ) ) ) ) ).

thf(sk5_def,definition,
    ( sk5
    = ( @+[A: $i] :
          ~ ( ( sk3 @ ( sk1 @ ( A @ least ) ) )
           => ( ( sk2 @ ( sk1 @ ( sk3 @ ( A @ greatest_lower_bound ) ) ) )
              & ( sk3 @ ( A @ member ) ) ) ) ) ) ).

thf(sk6_def,definition,
    ( sk6
    = ( @+[A: $i] :
          ~ ( ( ( sk2 @ ( sk1 @ ( sk3 @ ( A @ greatest_lower_bound ) ) ) )
              & ( sk3 @ ( A @ member ) ) )
           => ( sk3 @ ( sk1 @ ( A @ least ) ) ) ) ) ) ).

thf(sk8_def,definition,
    ( sk8
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( A @ ( C @ member ) )
           => ( C @ ( C @ ( B @ apply ) ) ) ) ) ) ).

thf(sk9_def,definition,
    ( sk9
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ! [D: $i] :
              ( ( ( A @ ( D @ member ) )
                & ( A @ ( C @ member ) ) )
             => ( ( ( C @ ( D @ ( B @ apply ) ) )
                  & ( D @ ( C @ ( B @ apply ) ) ) )
               => ( C = D ) ) ) ) ) ).

thf(sk10_def,definition,
    ( sk10
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( ( A @ ( C @ member ) )
              & ( A @ ( B @ ( A @ sk9 ) @ member ) ) )
           => ( ( ( B @ ( A @ sk9 ) @ ( C @ ( B @ apply ) ) )
                & ( C @ ( B @ ( A @ sk9 ) @ ( B @ apply ) ) ) )
             => ( ( B @ ( A @ sk9 ) )
                = C ) ) ) ) ) ).

thf(sk11_def,definition,
    ( sk11
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ! [D: $i,E: $i] :
              ( ( ( A @ ( E @ member ) )
                & ( A @ ( D @ member ) )
                & ( A @ ( C @ member ) ) )
             => ( ( ( E @ ( D @ ( B @ apply ) ) )
                  & ( D @ ( C @ ( B @ apply ) ) ) )
               => ( E @ ( C @ ( B @ apply ) ) ) ) ) ) ) ).

thf(sk12_def,definition,
    ( sk12
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ! [D: $i] :
              ( ( ( A @ ( D @ member ) )
                & ( A @ ( C @ member ) )
                & ( A @ ( B @ ( A @ sk11 ) @ member ) ) )
             => ( ( ( D @ ( C @ ( B @ apply ) ) )
                  & ( C @ ( B @ ( A @ sk11 ) @ ( B @ apply ) ) ) )
               => ( D @ ( B @ ( A @ sk11 ) @ ( B @ apply ) ) ) ) ) ) ) ).

thf(sk13_def,definition,
    ( sk13
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( ( A @ ( C @ member ) )
              & ( A @ ( B @ ( A @ sk12 ) @ member ) )
              & ( A @ ( B @ ( A @ sk11 ) @ member ) ) )
           => ( ( ( C @ ( B @ ( A @ sk12 ) @ ( B @ apply ) ) )
                & ( B @ ( A @ sk12 ) @ ( B @ ( A @ sk11 ) @ ( B @ apply ) ) ) )
             => ( C @ ( B @ ( A @ sk11 ) @ ( B @ apply ) ) ) ) ) ) ) ).

thf(sk14_def,definition,
    ( sk14
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ! [D: $i] :
              ( ( ( A @ ( D @ member ) )
                & ( A @ ( C @ member ) ) )
             => ( ( C @ ( D @ ( B @ apply ) ) )
                | ( D @ ( C @ ( B @ apply ) ) ) ) ) ) ) ).

thf(sk15_def,definition,
    ( sk15
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( ( A @ ( C @ member ) )
              & ( A @ ( B @ ( A @ sk14 ) @ member ) ) )
           => ( ( B @ ( A @ sk14 ) @ ( C @ ( B @ apply ) ) )
              | ( C @ ( B @ ( A @ sk14 ) @ ( B @ apply ) ) ) ) ) ) ) ).

thf(sk19_def,definition,
    ( sk19
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( A @ ( C @ member ) )
           => ( C @ ( B @ member ) ) ) ) ) ).

thf(sk24_def,definition,
    ( sk24
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( B @ ( C @ member ) )
           => ( A @ ( C @ member ) ) ) ) ) ).

thf(1,conjecture,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ order ) )
     => ! [C: $i] :
          ( ( B @ ( C @ subset ) )
         => ! [D: $i] :
              ( ( C @ ( A @ ( D @ least ) ) )
            <=> ( ( B @ ( A @ ( C @ ( D @ greatest_lower_bound ) ) ) )
                & ( C @ ( D @ member ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',thIV14) ).

thf(2,negated_conjecture,
    ~ ! [A: $i,B: $i] :
        ( ( B @ ( A @ order ) )
       => ! [C: $i] :
            ( ( B @ ( C @ subset ) )
           => ! [D: $i] :
                ( ( C @ ( A @ ( D @ least ) ) )
              <=> ( ( B @ ( A @ ( C @ ( D @ greatest_lower_bound ) ) ) )
                  & ( C @ ( D @ member ) ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(24,plain,
    ~ ! [A: $i,B: $i] :
        ( ( B @ ( A @ order ) )
       => ! [C: $i] :
            ( ( B @ ( C @ subset ) )
           => ! [D: $i] :
                ( ( ( ( B @ ( A @ ( C @ ( D @ greatest_lower_bound ) ) ) )
                    & ( C @ ( D @ member ) ) )
                 => ( C @ ( A @ ( D @ least ) ) ) )
                & ( ( C @ ( A @ ( D @ least ) ) )
                 => ( ( B @ ( A @ ( C @ ( D @ greatest_lower_bound ) ) ) )
                    & ( C @ ( D @ member ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(25,plain,
    ~ ! [A: $i,B: $i] :
        ( ( B @ ( A @ order ) )
       => ! [C: $i] :
            ( ( B @ ( C @ subset ) )
           => ( ! [D: $i] :
                  ( ( ( B @ ( A @ ( C @ ( D @ greatest_lower_bound ) ) ) )
                    & ( C @ ( D @ member ) ) )
                 => ( C @ ( A @ ( D @ least ) ) ) )
              & ! [D: $i] :
                  ( ( C @ ( A @ ( D @ least ) ) )
                 => ( ( B @ ( A @ ( C @ ( D @ greatest_lower_bound ) ) ) )
                    & ( C @ ( D @ member ) ) ) ) ) ) ),
    inference(miniscope,[status(thm)],[24]) ).

thf(26,plain,
    ( ( ~ ( sk3 @ ( sk1 @ ( sk6 @ least ) ) )
      | sk4 )
    & ( ( sk2 @ ( sk1 @ ( sk3 @ ( sk6 @ greatest_lower_bound ) ) ) )
      | sk4 )
    & ( ( sk3 @ ( sk6 @ member ) )
      | sk4 )
    & ( ~ sk4
      | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
      | ~ ( sk3 @ ( sk5 @ member ) ) )
    & ( ~ sk4
      | ( sk3 @ ( sk1 @ ( sk5 @ least ) ) ) )
    & ( sk2 @ ( sk3 @ subset ) )
    & ( sk2 @ ( sk1 @ order ) ) ),
    inference(cnf,[status(esa)],[25]) ).

thf(33,plain,
    sk2 @ ( sk1 @ order ),
    inference(cnfConj,[status(thm)],[26]) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ order ) )
    <=> ( ! [C: $i,D: $i,E: $i] :
            ( ( ( B @ ( E @ member ) )
              & ( B @ ( D @ member ) )
              & ( B @ ( C @ member ) ) )
           => ( ( ( E @ ( D @ ( A @ apply ) ) )
                & ( D @ ( C @ ( A @ apply ) ) ) )
             => ( E @ ( C @ ( A @ apply ) ) ) ) )
        & ! [C: $i,D: $i] :
            ( ( ( B @ ( D @ member ) )
              & ( B @ ( C @ member ) ) )
           => ( ( ( C @ ( D @ ( A @ apply ) ) )
                & ( D @ ( C @ ( A @ apply ) ) ) )
             => ( C = D ) ) )
        & ! [C: $i] :
            ( ( B @ ( C @ member ) )
           => ( C @ ( C @ ( A @ apply ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',order) ).

thf(34,plain,
    ! [A: $i,B: $i] :
      ( ( ( ! [C: $i,D: $i,E: $i] :
              ( ( ( B @ ( E @ member ) )
                & ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( ( E @ ( D @ ( A @ apply ) ) )
                  & ( D @ ( C @ ( A @ apply ) ) ) )
               => ( E @ ( C @ ( A @ apply ) ) ) ) )
          & ! [C: $i,D: $i] :
              ( ( ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( ( C @ ( D @ ( A @ apply ) ) )
                  & ( D @ ( C @ ( A @ apply ) ) ) )
               => ( C = D ) ) )
          & ! [C: $i] :
              ( ( B @ ( C @ member ) )
             => ( C @ ( C @ ( A @ apply ) ) ) ) )
       => ( B @ ( A @ order ) ) )
      & ( ( B @ ( A @ order ) )
       => ( ! [C: $i,D: $i,E: $i] :
              ( ( ( B @ ( E @ member ) )
                & ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( ( E @ ( D @ ( A @ apply ) ) )
                  & ( D @ ( C @ ( A @ apply ) ) ) )
               => ( E @ ( C @ ( A @ apply ) ) ) ) )
          & ! [C: $i,D: $i] :
              ( ( ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( ( C @ ( D @ ( A @ apply ) ) )
                  & ( D @ ( C @ ( A @ apply ) ) ) )
               => ( C = D ) ) )
          & ! [C: $i] :
              ( ( B @ ( C @ member ) )
             => ( C @ ( C @ ( A @ apply ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(35,plain,
    ( ! [A: $i,B: $i] :
        ( ( ! [C: $i,D: $i,E: $i] :
              ( ( ( B @ ( E @ member ) )
                & ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( ( E @ ( D @ ( A @ apply ) ) )
                  & ( D @ ( C @ ( A @ apply ) ) ) )
               => ( E @ ( C @ ( A @ apply ) ) ) ) )
          & ! [C: $i,D: $i] :
              ( ( ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( ( C @ ( D @ ( A @ apply ) ) )
                  & ( D @ ( C @ ( A @ apply ) ) ) )
               => ( C = D ) ) )
          & ! [C: $i] :
              ( ( B @ ( C @ member ) )
             => ( C @ ( C @ ( A @ apply ) ) ) ) )
       => ( B @ ( A @ order ) ) )
    & ! [A: $i,B: $i] :
        ( ( B @ ( A @ order ) )
       => ( ! [C: $i,D: $i,E: $i] :
              ( ( ( B @ ( E @ member ) )
                & ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( ( E @ ( D @ ( A @ apply ) ) )
                  & ( D @ ( C @ ( A @ apply ) ) ) )
               => ( E @ ( C @ ( A @ apply ) ) ) ) )
          & ! [C: $i,D: $i] :
              ( ( ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( ( C @ ( D @ ( A @ apply ) ) )
                  & ( D @ ( C @ ( A @ apply ) ) ) )
               => ( C = D ) ) )
          & ! [C: $i] :
              ( ( B @ ( C @ member ) )
             => ( C @ ( C @ ( A @ apply ) ) ) ) ) ) ),
    inference(miniscope,[status(thm)],[34]) ).

thf(36,plain,
    ! [J: $i,I: $i,H: $i,G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( J @ ( I @ order ) )
        | ~ ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( ( I @ ( J @ sk9 ) )
         != ( I @ ( J @ sk10 ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk12 ) @ ( I @ apply ) ) )
        | ( ( I @ ( J @ sk9 ) )
         != ( I @ ( J @ sk10 ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk12 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( ( I @ ( J @ sk9 ) )
         != ( I @ ( J @ sk10 ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk13 ) @ member ) )
        | ( ( I @ ( J @ sk9 ) )
         != ( I @ ( J @ sk10 ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk12 ) @ member ) )
        | ( ( I @ ( J @ sk9 ) )
         != ( I @ ( J @ sk10 ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk11 ) @ member ) )
        | ( ( I @ ( J @ sk9 ) )
         != ( I @ ( J @ sk10 ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ~ ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk9 ) @ ( I @ ( J @ sk10 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk12 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk9 ) @ ( I @ ( J @ sk10 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk12 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk9 ) @ ( I @ ( J @ sk10 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk13 ) @ member ) )
        | ( I @ ( J @ sk9 ) @ ( I @ ( J @ sk10 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk12 ) @ member ) )
        | ( I @ ( J @ sk9 ) @ ( I @ ( J @ sk10 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk11 ) @ member ) )
        | ( I @ ( J @ sk9 ) @ ( I @ ( J @ sk10 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ~ ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk10 ) @ ( I @ ( J @ sk9 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk12 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk10 ) @ ( I @ ( J @ sk9 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk12 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk10 ) @ ( I @ ( J @ sk9 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk13 ) @ member ) )
        | ( I @ ( J @ sk10 ) @ ( I @ ( J @ sk9 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk12 ) @ member ) )
        | ( I @ ( J @ sk10 ) @ ( I @ ( J @ sk9 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk11 ) @ member ) )
        | ( I @ ( J @ sk10 ) @ ( I @ ( J @ sk9 ) @ ( I @ apply ) ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ~ ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( J @ ( I @ ( J @ sk10 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk12 ) @ ( I @ apply ) ) )
        | ( J @ ( I @ ( J @ sk10 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk12 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( J @ ( I @ ( J @ sk10 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk13 ) @ member ) )
        | ( J @ ( I @ ( J @ sk10 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk12 ) @ member ) )
        | ( J @ ( I @ ( J @ sk10 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk11 ) @ member ) )
        | ( J @ ( I @ ( J @ sk10 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ~ ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( J @ ( I @ ( J @ sk9 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk13 ) @ ( I @ ( J @ sk12 ) @ ( I @ apply ) ) )
        | ( J @ ( I @ ( J @ sk9 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( I @ ( J @ sk12 ) @ ( I @ ( J @ sk11 ) @ ( I @ apply ) ) )
        | ( J @ ( I @ ( J @ sk9 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk13 ) @ member ) )
        | ( J @ ( I @ ( J @ sk9 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk12 ) @ member ) )
        | ( J @ ( I @ ( J @ sk9 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ( J @ ( I @ ( J @ sk11 ) @ member ) )
        | ( J @ ( I @ ( J @ sk9 ) @ member ) )
        | ( I @ ( J @ sk7 ) ) )
      & ( ( J @ ( I @ order ) )
        | ~ ( I @ ( J @ sk7 ) )
        | ~ ( I @ ( J @ sk8 ) @ ( I @ ( J @ sk8 ) @ ( I @ apply ) ) ) )
      & ( ( J @ ( I @ order ) )
        | ~ ( I @ ( J @ sk7 ) )
        | ( J @ ( I @ ( J @ sk8 ) @ member ) ) )
      & ( ( H @ ( F @ ( A @ apply ) ) )
        | ~ ( H @ ( G @ ( A @ apply ) ) )
        | ~ ( G @ ( F @ ( A @ apply ) ) )
        | ~ ( B @ ( H @ member ) )
        | ~ ( B @ ( G @ member ) )
        | ~ ( B @ ( F @ member ) )
        | ~ ( B @ ( A @ order ) ) )
      & ( ( D = E )
        | ~ ( D @ ( E @ ( A @ apply ) ) )
        | ~ ( E @ ( D @ ( A @ apply ) ) )
        | ~ ( B @ ( E @ member ) )
        | ~ ( B @ ( D @ member ) )
        | ~ ( B @ ( A @ order ) ) )
      & ( ( C @ ( C @ ( A @ apply ) ) )
        | ~ ( B @ ( C @ member ) )
        | ~ ( B @ ( A @ order ) ) ) ),
    inference(cnf,[status(esa)],[35]) ).

thf(47,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( C @ ( A @ apply ) ) )
      | ~ ( B @ ( C @ member ) )
      | ~ ( B @ ( A @ order ) ) ),
    inference(cnfConj,[status(thm)],[36]) ).

thf(383,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( sk2 @ ( sk1 @ order ) )
       != ( B @ ( A @ order ) ) )
      | ( C @ ( C @ ( A @ apply ) ) )
      | ~ ( B @ ( C @ member ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[33,47]) ).

thf(384,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( sk2 @ ( sk1 @ order ) )
       != ( B @ ( A @ order ) ) )
      | ( C @ ( C @ ( A @ apply ) ) )
      | ~ ( B @ ( C @ member ) ) ),
    inference(simp,[status(thm)],[383]) ).

thf(385,plain,
    ! [A: $i] :
      ( ( A @ ( A @ ( sk1 @ apply ) ) )
      | ~ ( sk2 @ ( A @ member ) ) ),
    inference(pattern_uni,[status(thm)],[384:[bind(A,$thf( sk1 )),bind(B,$thf( sk2 ))]]) ).

thf(389,plain,
    ! [A: $i] :
      ( ( A @ ( A @ ( sk1 @ apply ) ) )
      | ~ ( sk2 @ ( A @ member ) ) ),
    inference(simp,[status(thm)],[385]) ).

thf(29,plain,
    ( ~ ( sk3 @ ( sk1 @ ( sk6 @ least ) ) )
    | sk4 ),
    inference(cnfConj,[status(thm)],[26]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ total_order ) )
    <=> ( ! [C: $i,D: $i] :
            ( ( ( B @ ( D @ member ) )
              & ( B @ ( C @ member ) ) )
           => ( ( C @ ( D @ ( A @ apply ) ) )
              | ( D @ ( C @ ( A @ apply ) ) ) ) )
        & ( B @ ( A @ order ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',total_order) ).

thf(113,plain,
    ! [A: $i,B: $i] :
      ( ( ( ! [C: $i,D: $i] :
              ( ( ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( C @ ( D @ ( A @ apply ) ) )
                | ( D @ ( C @ ( A @ apply ) ) ) ) )
          & ( B @ ( A @ order ) ) )
       => ( B @ ( A @ total_order ) ) )
      & ( ( B @ ( A @ total_order ) )
       => ( ! [C: $i,D: $i] :
              ( ( ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( C @ ( D @ ( A @ apply ) ) )
                | ( D @ ( C @ ( A @ apply ) ) ) ) )
          & ( B @ ( A @ order ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(114,plain,
    ( ! [A: $i,B: $i] :
        ( ( ! [C: $i,D: $i] :
              ( ( ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( C @ ( D @ ( A @ apply ) ) )
                | ( D @ ( C @ ( A @ apply ) ) ) ) )
          & ( B @ ( A @ order ) ) )
       => ( B @ ( A @ total_order ) ) )
    & ! [A: $i,B: $i] :
        ( ( B @ ( A @ total_order ) )
       => ( ! [C: $i,D: $i] :
              ( ( ( B @ ( D @ member ) )
                & ( B @ ( C @ member ) ) )
             => ( ( C @ ( D @ ( A @ apply ) ) )
                | ( D @ ( C @ ( A @ apply ) ) ) ) )
          & ( B @ ( A @ order ) ) ) ) ),
    inference(miniscope,[status(thm)],[113]) ).

thf(115,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( F @ ( E @ total_order ) )
        | ~ ( E @ ( F @ sk14 ) @ ( E @ ( F @ sk15 ) @ ( E @ apply ) ) )
        | ~ ( F @ ( E @ order ) ) )
      & ( ( F @ ( E @ total_order ) )
        | ~ ( E @ ( F @ sk15 ) @ ( E @ ( F @ sk14 ) @ ( E @ apply ) ) )
        | ~ ( F @ ( E @ order ) ) )
      & ( ( F @ ( E @ total_order ) )
        | ( F @ ( E @ ( F @ sk15 ) @ member ) )
        | ~ ( F @ ( E @ order ) ) )
      & ( ( F @ ( E @ total_order ) )
        | ( F @ ( E @ ( F @ sk14 ) @ member ) )
        | ~ ( F @ ( E @ order ) ) )
      & ( ( C @ ( D @ ( A @ apply ) ) )
        | ( D @ ( C @ ( A @ apply ) ) )
        | ~ ( B @ ( D @ member ) )
        | ~ ( B @ ( C @ member ) )
        | ~ ( B @ ( A @ total_order ) ) )
      & ( ( B @ ( A @ order ) )
        | ~ ( B @ ( A @ total_order ) ) ) ),
    inference(cnf,[status(esa)],[114]) ).

thf(121,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ order ) )
      | ~ ( B @ ( A @ total_order ) ) ),
    inference(cnfConj,[status(thm)],[115]) ).

thf(16,axiom,
    ! [A: $i] :
      ~ ( empty_set @ ( A @ member ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',empty_set) ).

thf(227,plain,
    ! [A: $i] :
      ~ ( empty_set @ ( A @ member ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(228,plain,
    ~ ? [A: $i] : ( empty_set @ ( A @ member ) ),
    inference(miniscope,[status(thm)],[227]) ).

thf(229,plain,
    ! [A: $i] :
      ~ ( empty_set @ ( A @ member ) ),
    inference(cnf,[status(esa)],[228]) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
    <=> ! [C: $i] :
          ( ( A @ ( C @ member ) )
         => ( B @ ( C @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subset) ).

thf(219,plain,
    ! [A: $i,B: $i] :
      ( ( ! [C: $i] :
            ( ( A @ ( C @ member ) )
           => ( B @ ( C @ member ) ) )
       => ( B @ ( A @ subset ) ) )
      & ( ( B @ ( A @ subset ) )
       => ! [C: $i] :
            ( ( A @ ( C @ member ) )
           => ( B @ ( C @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(220,plain,
    ( ! [A: $i,B: $i] :
        ( ! [C: $i] :
            ( ( A @ ( C @ member ) )
           => ( B @ ( C @ member ) ) )
       => ( B @ ( A @ subset ) ) )
    & ! [A: $i,B: $i] :
        ( ( B @ ( A @ subset ) )
       => ! [C: $i] :
            ( ( A @ ( C @ member ) )
           => ( B @ ( C @ member ) ) ) ) ),
    inference(miniscope,[status(thm)],[219]) ).

thf(221,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( E @ ( D @ subset ) )
        | ~ ( E @ ( D @ ( E @ sk24 ) @ member ) ) )
      & ( ( E @ ( D @ subset ) )
        | ( D @ ( D @ ( E @ sk24 ) @ member ) ) )
      & ( ( B @ ( C @ member ) )
        | ~ ( A @ ( C @ member ) )
        | ~ ( B @ ( A @ subset ) ) ) ),
    inference(cnf,[status(esa)],[220]) ).

thf(223,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ subset ) )
      | ( A @ ( A @ ( B @ sk24 ) @ member ) ) ),
    inference(cnfConj,[status(thm)],[221]) ).

thf(225,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ subset ) )
      | ( A @ ( A @ ( B @ sk24 ) @ member ) ) ),
    inference(simp,[status(thm)],[223]) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ singleton @ ( A @ member ) )
    <=> ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton) ).

thf(166,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = B )
       => ( B @ singleton @ ( A @ member ) ) )
      & ( ( B @ singleton @ ( A @ member ) )
       => ( A = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(167,plain,
    ( ! [A: $i,B: $i] :
        ( ( A = B )
       => ( B @ singleton @ ( A @ member ) ) )
    & ! [A: $i,B: $i] :
        ( ( B @ singleton @ ( A @ member ) )
       => ( A = B ) ) ),
    inference(miniscope,[status(thm)],[166]) ).

thf(168,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( D @ singleton @ ( C @ member ) )
        | ( C != D ) )
      & ( ( A = B )
        | ~ ( B @ singleton @ ( A @ member ) ) ) ),
    inference(cnf,[status(esa)],[167]) ).

thf(170,plain,
    ! [B: $i,A: $i] :
      ( ( B @ singleton @ ( A @ member ) )
      | ( A != B ) ),
    inference(cnfConj,[status(thm)],[168]) ).

thf(172,plain,
    ! [B: $i,A: $i] :
      ( ( B @ singleton @ ( A @ member ) )
      | ( A != B ) ),
    inference(lifteq,[status(thm)],[170]) ).

thf(173,plain,
    ! [A: $i] : ( A @ singleton @ ( A @ member ) ),
    inference(simp,[status(thm)],[172]) ).

thf(21,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ unordered_pair ) @ ( A @ member ) )
    <=> ( ( A = C )
        | ( A = B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair) ).

thf(265,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( A = C )
          | ( A = B ) )
       => ( C @ ( B @ unordered_pair ) @ ( A @ member ) ) )
      & ( ( C @ ( B @ unordered_pair ) @ ( A @ member ) )
       => ( ( A = C )
          | ( A = B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(266,plain,
    ( ! [A: $i,B: $i,C: $i] :
        ( ( ( A = C )
          | ( A = B ) )
       => ( C @ ( B @ unordered_pair ) @ ( A @ member ) ) )
    & ! [A: $i,B: $i,C: $i] :
        ( ( C @ ( B @ unordered_pair ) @ ( A @ member ) )
       => ( ( A = C )
          | ( A = B ) ) ) ),
    inference(miniscope,[status(thm)],[265]) ).

thf(267,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( F @ ( E @ unordered_pair ) @ ( D @ member ) )
        | ( D != F ) )
      & ( ( F @ ( E @ unordered_pair ) @ ( D @ member ) )
        | ( D != E ) )
      & ( ( A = C )
        | ( A = B )
        | ~ ( C @ ( B @ unordered_pair ) @ ( A @ member ) ) ) ),
    inference(cnf,[status(esa)],[266]) ).

thf(270,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ unordered_pair ) @ ( A @ member ) )
      | ( A != C ) ),
    inference(cnfConj,[status(thm)],[267]) ).

thf(274,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ unordered_pair ) @ ( A @ member ) )
      | ( A != C ) ),
    inference(lifteq,[status(thm)],[270]) ).

thf(275,plain,
    ! [B: $i,A: $i] : ( B @ ( A @ unordered_pair ) @ ( B @ member ) ),
    inference(simp,[status(thm)],[274]) ).

thf(317,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) @ ( B @ member ) )
       != ( empty_set @ ( C @ member ) ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[275,229]) ).

thf(318,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) @ ( B @ member ) )
     != ( empty_set @ ( C @ member ) ) ),
    inference(simp,[status(thm)],[317]) ).

thf(321,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) )
       != empty_set )
      | ( B != C ) ),
    inference(simp,[status(thm)],[318]) ).

thf(323,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) )
     != empty_set ),
    inference(simp,[status(thm)],[321]) ).

thf(12,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ upper_bound ) ) )
    <=> ! [D: $i] :
          ( ( B @ ( D @ member ) )
         => ( C @ ( D @ ( A @ apply ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',upper_bound) ).

thf(194,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ! [D: $i] :
            ( ( B @ ( D @ member ) )
           => ( C @ ( D @ ( A @ apply ) ) ) )
       => ( B @ ( A @ ( C @ upper_bound ) ) ) )
      & ( ( B @ ( A @ ( C @ upper_bound ) ) )
       => ! [D: $i] :
            ( ( B @ ( D @ member ) )
           => ( C @ ( D @ ( A @ apply ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(22,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ equal_set ) )
    <=> ( ( A @ ( B @ subset ) )
        & ( B @ ( A @ subset ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equal_set) ).

thf(276,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( A @ ( B @ subset ) )
          & ( B @ ( A @ subset ) ) )
       => ( B @ ( A @ equal_set ) ) )
      & ( ( B @ ( A @ equal_set ) )
       => ( ( A @ ( B @ subset ) )
          & ( B @ ( A @ subset ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(13,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ lower_bound ) ) )
    <=> ! [D: $i] :
          ( ( B @ ( D @ member ) )
         => ( D @ ( C @ ( A @ apply ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',lower_bound) ).

thf(202,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ! [D: $i] :
            ( ( B @ ( D @ member ) )
           => ( D @ ( C @ ( A @ apply ) ) ) )
       => ( B @ ( A @ ( C @ lower_bound ) ) ) )
      & ( ( B @ ( A @ ( C @ lower_bound ) ) )
       => ! [D: $i] :
            ( ( B @ ( D @ member ) )
           => ( D @ ( C @ ( A @ apply ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ product @ ( A @ member ) )
    <=> ! [C: $i] :
          ( ( B @ ( C @ member ) )
         => ( C @ ( A @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',product) ).

thf(174,plain,
    ! [A: $i,B: $i] :
      ( ( ! [C: $i] :
            ( ( B @ ( C @ member ) )
           => ( C @ ( A @ member ) ) )
       => ( B @ product @ ( A @ member ) ) )
      & ( ( B @ product @ ( A @ member ) )
       => ! [C: $i] :
            ( ( B @ ( C @ member ) )
           => ( C @ ( A @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(20,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ union ) @ ( A @ member ) )
    <=> ( ( C @ ( A @ member ) )
        | ( B @ ( A @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',union) ).

thf(257,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( C @ ( A @ member ) )
          | ( B @ ( A @ member ) ) )
       => ( C @ ( B @ union ) @ ( A @ member ) ) )
      & ( ( C @ ( B @ union ) @ ( A @ member ) )
       => ( ( C @ ( A @ member ) )
          | ( B @ ( A @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(290,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ singleton @ ( A @ member ) )
       != ( empty_set @ ( B @ member ) ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[173,229]) ).

thf(291,plain,
    ! [B: $i,A: $i] :
      ( ( A @ singleton @ ( A @ member ) )
     != ( empty_set @ ( B @ member ) ) ),
    inference(simp,[status(thm)],[290]) ).

thf(292,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ singleton )
       != empty_set )
      | ( A != B ) ),
    inference(simp,[status(thm)],[291]) ).

thf(293,plain,
    ! [A: $i] :
      ( ( A @ singleton )
     != empty_set ),
    inference(simp,[status(thm)],[292]) ).

thf(169,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( B @ singleton @ ( A @ member ) ) ),
    inference(cnfConj,[status(thm)],[168]) ).

thf(171,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ singleton @ ( A @ member ) )
      | ( A = B ) ),
    inference(lifteq,[status(thm)],[169]) ).

thf(440,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B
       != ( C @ singleton ) )
      | ( A != empty_set )
      | ~ ( B @ singleton @ ( A @ member ) ) ),
    inference(paramod_ordered,[status(thm)],[171,293]) ).

thf(441,plain,
    ! [B: $i,A: $i] :
      ( ( A != empty_set )
      | ~ ( B @ singleton @ singleton @ ( A @ member ) ) ),
    inference(pattern_uni,[status(thm)],[440:[bind(A,$thf( A )),bind(B,$thf( D @ singleton )),bind(C,$thf( D ))]]) ).

thf(793,plain,
    ! [A: $i] :
      ~ ( A @ singleton @ singleton @ ( empty_set @ member ) ),
    inference(simp,[status(thm)],[441]) ).

thf(27,plain,
    ( ( sk3 @ ( sk6 @ member ) )
    | sk4 ),
    inference(cnfConj,[status(thm)],[26]) ).

thf(298,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk6 @ member ) )
       != ( empty_set @ ( A @ member ) ) )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[27,229]) ).

thf(299,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk6 @ member ) )
       != ( empty_set @ ( A @ member ) ) )
      | sk4 ),
    inference(simp,[status(thm)],[298]) ).

thf(302,plain,
    ! [A: $i] :
      ( ( sk3 != empty_set )
      | ( sk6 != A )
      | sk4 ),
    inference(simp,[status(thm)],[299]) ).

thf(303,plain,
    ( ( sk3 != empty_set )
    | sk4 ),
    inference(simp,[status(thm)],[302]) ).

thf(32,plain,
    ( ~ sk4
    | ( sk3 @ ( sk1 @ ( sk5 @ least ) ) ) ),
    inference(cnfConj,[status(thm)],[26]) ).

thf(364,plain,
    ( ( sk4 != sk4 )
    | ~ $true
    | ( sk3 @ ( sk1 @ ( sk5 @ least ) ) )
    | ( sk3 != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[303,32]) ).

thf(365,plain,
    ( ( sk4 != sk4 )
    | ( sk3 @ ( sk1 @ ( sk5 @ least ) ) )
    | ( sk3 != empty_set ) ),
    inference(simp,[status(thm)],[364]) ).

thf(366,plain,
    ( ( sk3 @ ( sk1 @ ( sk5 @ least ) ) )
    | ( sk3 != empty_set ) ),
    inference(pattern_uni,[status(thm)],[365:[]]) ).

thf(28,plain,
    ( ( sk2 @ ( sk1 @ ( sk3 @ ( sk6 @ greatest_lower_bound ) ) ) )
    | sk4 ),
    inference(cnfConj,[status(thm)],[26]) ).

thf(30,plain,
    ( ~ sk4
    | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
    | ~ ( sk3 @ ( sk5 @ member ) ) ),
    inference(cnfConj,[status(thm)],[26]) ).

thf(294,plain,
    ! [A: $i] :
      ( ( ( A @ singleton @ ( A @ member ) )
       != ( sk3 @ ( sk5 @ member ) ) )
      | ~ sk4
      | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[173,30]) ).

thf(295,plain,
    ! [A: $i] :
      ( ( ( A @ singleton @ ( A @ member ) )
       != ( sk3 @ ( sk5 @ member ) ) )
      | ~ sk4
      | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) ) ),
    inference(simp,[status(thm)],[294]) ).

thf(296,plain,
    ! [A: $i] :
      ( ( ( A @ singleton )
       != sk3 )
      | ( A != sk5 )
      | ~ sk4
      | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) ) ),
    inference(simp,[status(thm)],[295]) ).

thf(297,plain,
    ( ( ( sk5 @ singleton )
     != sk3 )
    | ~ sk4
    | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) ) ),
    inference(simp,[status(thm)],[296]) ).

thf(18,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ intersection ) @ ( A @ member ) )
    <=> ( ( C @ ( A @ member ) )
        & ( B @ ( A @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection) ).

thf(237,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( C @ ( A @ member ) )
          & ( B @ ( A @ member ) ) )
       => ( C @ ( B @ intersection ) @ ( A @ member ) ) )
      & ( ( C @ ( B @ intersection ) @ ( A @ member ) )
       => ( ( C @ ( A @ member ) )
          & ( B @ ( A @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(19,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ max ) ) )
    <=> ( ! [D: $i] :
            ( ( ( D @ ( C @ ( A @ apply ) ) )
              & ( B @ ( D @ member ) ) )
           => ( C = D ) )
        & ( B @ ( C @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',max) ).

thf(244,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ! [D: $i] :
              ( ( ( D @ ( C @ ( A @ apply ) ) )
                & ( B @ ( D @ member ) ) )
             => ( C = D ) )
          & ( B @ ( C @ member ) ) )
       => ( B @ ( A @ ( C @ max ) ) ) )
      & ( ( B @ ( A @ ( C @ max ) ) )
       => ( ! [D: $i] :
              ( ( ( D @ ( C @ ( A @ apply ) ) )
                & ( B @ ( D @ member ) ) )
             => ( C = D ) )
          & ( B @ ( C @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(399,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk6 @ member ) )
       != ( sk2 @ ( A @ member ) ) )
      | ( A @ ( A @ ( sk1 @ apply ) ) )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[27,389]) ).

thf(400,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk6 @ member ) )
       != ( sk2 @ ( A @ member ) ) )
      | ( A @ ( A @ ( sk1 @ apply ) ) )
      | sk4 ),
    inference(simp,[status(thm)],[399]) ).

thf(408,plain,
    ! [A: $i] :
      ( ( sk3 != sk2 )
      | ( sk6 != A )
      | ( A @ ( A @ ( sk1 @ apply ) ) )
      | sk4 ),
    inference(simp,[status(thm)],[400]) ).

thf(412,plain,
    ( ( sk3 != sk2 )
    | ( sk6 @ ( sk6 @ ( sk1 @ apply ) ) )
    | sk4 ),
    inference(simp,[status(thm)],[408]) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ power_set @ ( A @ member ) )
    <=> ( B @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',power_set) ).

thf(148,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ subset ) )
       => ( B @ power_set @ ( A @ member ) ) )
      & ( ( B @ power_set @ ( A @ member ) )
       => ( B @ ( A @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(175,plain,
    ( ! [A: $i,B: $i] :
        ( ! [C: $i] :
            ( ( B @ ( C @ member ) )
           => ( C @ ( A @ member ) ) )
       => ( B @ product @ ( A @ member ) ) )
    & ! [A: $i,B: $i] :
        ( ( B @ product @ ( A @ member ) )
       => ! [C: $i] :
            ( ( B @ ( C @ member ) )
           => ( C @ ( A @ member ) ) ) ) ),
    inference(miniscope,[status(thm)],[174]) ).

thf(176,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( E @ product @ ( D @ member ) )
        | ~ ( D @ ( E @ sk19 ) @ ( D @ member ) ) )
      & ( ( E @ product @ ( D @ member ) )
        | ( E @ ( D @ ( E @ sk19 ) @ member ) ) )
      & ( ( C @ ( A @ member ) )
        | ~ ( B @ ( C @ member ) )
        | ~ ( B @ product @ ( A @ member ) ) ) ),
    inference(cnf,[status(esa)],[175]) ).

thf(178,plain,
    ! [B: $i,A: $i] :
      ( ( B @ product @ ( A @ member ) )
      | ( B @ ( A @ ( B @ sk19 ) @ member ) ) ),
    inference(cnfConj,[status(thm)],[176]) ).

thf(180,plain,
    ! [B: $i,A: $i] :
      ( ( B @ product @ ( A @ member ) )
      | ( B @ ( A @ ( B @ sk19 ) @ member ) ) ),
    inference(simp,[status(thm)],[178]) ).

thf(394,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ ( B @ sk24 ) @ member ) )
       != ( sk2 @ ( C @ member ) ) )
      | ( C @ ( C @ ( sk1 @ apply ) ) )
      | ~ $true
      | ( B @ ( A @ subset ) ) ),
    inference(paramod_ordered,[status(thm)],[225,389]) ).

thf(395,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ ( B @ sk24 ) @ member ) )
       != ( sk2 @ ( C @ member ) ) )
      | ( C @ ( C @ ( sk1 @ apply ) ) )
      | ( B @ ( A @ subset ) ) ),
    inference(simp,[status(thm)],[394]) ).

thf(396,plain,
    ! [A: $i] :
      ( ( sk2 @ ( A @ sk24 ) @ ( sk2 @ ( A @ sk24 ) @ ( sk1 @ apply ) ) )
      | ( A @ ( sk2 @ subset ) ) ),
    inference(pattern_uni,[status(thm)],[395:[bind(A,$thf( sk2 )),bind(B,$thf( D )),bind(C,$thf( sk2 @ ( D @ sk24 ) ))]]) ).

thf(413,plain,
    ! [A: $i] :
      ( ( sk2 @ ( A @ sk24 ) @ ( sk2 @ ( A @ sk24 ) @ ( sk1 @ apply ) ) )
      | ( A @ ( sk2 @ subset ) ) ),
    inference(simp,[status(thm)],[396]) ).

thf(17,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( C @ difference ) @ ( A @ member ) )
    <=> ( ~ ( B @ ( A @ member ) )
        & ( C @ ( A @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference) ).

thf(230,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ~ ( B @ ( A @ member ) )
          & ( C @ ( A @ member ) ) )
       => ( B @ ( C @ difference ) @ ( A @ member ) ) )
      & ( ( B @ ( C @ difference ) @ ( A @ member ) )
       => ( ~ ( B @ ( A @ member ) )
          & ( C @ ( A @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(304,plain,
    ( ( sk4 != sk4 )
    | ~ $true
    | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
    | ~ ( sk3 @ ( sk5 @ member ) )
    | ( sk3 != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[303,30]) ).

thf(305,plain,
    ( ( sk4 != sk4 )
    | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
    | ~ ( sk3 @ ( sk5 @ member ) )
    | ( sk3 != empty_set ) ),
    inference(simp,[status(thm)],[304]) ).

thf(306,plain,
    ( ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
    | ~ ( sk3 @ ( sk5 @ member ) )
    | ( sk3 != empty_set ) ),
    inference(pattern_uni,[status(thm)],[305:[]]) ).

thf(6,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ min ) ) )
    <=> ( ! [D: $i] :
            ( ( ( C @ ( D @ ( A @ apply ) ) )
              & ( B @ ( D @ member ) ) )
           => ( C = D ) )
        & ( B @ ( C @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',min) ).

thf(135,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ! [D: $i] :
              ( ( ( C @ ( D @ ( A @ apply ) ) )
                & ( B @ ( D @ member ) ) )
             => ( C = D ) )
          & ( B @ ( C @ member ) ) )
       => ( B @ ( A @ ( C @ min ) ) ) )
      & ( ( B @ ( A @ ( C @ min ) ) )
       => ( ! [D: $i] :
              ( ( ( C @ ( D @ ( A @ apply ) ) )
                & ( B @ ( D @ member ) ) )
             => ( C = D ) )
          & ( B @ ( C @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(438,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A
       != ( C @ singleton ) )
      | ( B != empty_set )
      | ~ ( B @ singleton @ ( A @ member ) ) ),
    inference(paramod_ordered,[status(thm)],[171,293]) ).

thf(439,plain,
    ! [B: $i,A: $i] :
      ( ( A != empty_set )
      | ~ ( A @ singleton @ ( B @ singleton @ member ) ) ),
    inference(pattern_uni,[status(thm)],[438:[bind(A,$thf( D @ singleton )),bind(B,$thf( B )),bind(C,$thf( D ))]]) ).

thf(791,plain,
    ! [A: $i] :
      ~ ( empty_set @ singleton @ ( A @ singleton @ member ) ),
    inference(simp,[status(thm)],[439]) ).

thf(827,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ singleton @ ( A @ member ) )
       != ( empty_set @ singleton @ ( B @ singleton @ member ) ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[173,791]) ).

thf(828,plain,
    ! [B: $i,A: $i] :
      ( ( A @ singleton @ ( A @ member ) )
     != ( empty_set @ singleton @ ( B @ singleton @ member ) ) ),
    inference(simp,[status(thm)],[827]) ).

thf(850,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ singleton )
       != ( empty_set @ singleton ) )
      | ( A
       != ( B @ singleton ) ) ),
    inference(simp,[status(thm)],[828]) ).

thf(855,plain,
    ! [A: $i] :
      ( ( A @ singleton @ singleton )
     != ( empty_set @ singleton ) ),
    inference(simp,[status(thm)],[850]) ).

thf(325,plain,
    ( ( sk4 != sk4 )
    | ( ( sk5 @ singleton )
     != sk3 )
    | ~ $true
    | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
    | ( sk3 != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[303,297]) ).

thf(326,plain,
    ( ( sk4 != sk4 )
    | ( ( sk5 @ singleton )
     != sk3 )
    | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
    | ( sk3 != empty_set ) ),
    inference(simp,[status(thm)],[325]) ).

thf(327,plain,
    ( ( ( sk5 @ singleton )
     != sk3 )
    | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
    | ( sk3 != empty_set ) ),
    inference(pattern_uni,[status(thm)],[326:[]]) ).

thf(350,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ ( B @ sk24 ) @ member ) )
       != ( empty_set @ ( C @ member ) ) )
      | ~ $true
      | ( B @ ( A @ subset ) ) ),
    inference(paramod_ordered,[status(thm)],[225,229]) ).

thf(351,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ ( B @ sk24 ) @ member ) )
       != ( empty_set @ ( C @ member ) ) )
      | ( B @ ( A @ subset ) ) ),
    inference(simp,[status(thm)],[350]) ).

thf(352,plain,
    ! [A: $i] : ( A @ ( empty_set @ subset ) ),
    inference(pattern_uni,[status(thm)],[351:[bind(A,$thf( empty_set )),bind(B,$thf( D )),bind(C,$thf( empty_set @ ( D @ sk24 ) ))]]) ).

thf(359,plain,
    ! [A: $i] : ( A @ ( empty_set @ subset ) ),
    inference(simp,[status(thm)],[352]) ).

thf(31,plain,
    sk2 @ ( sk3 @ subset ),
    inference(cnfConj,[status(thm)],[26]) ).

thf(11,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ ( C @ ( B @ ( A @ greatest_lower_bound ) ) ) )
    <=> ( ! [E: $i] :
            ( ( ( B @ ( C @ ( E @ lower_bound ) ) )
              & ( D @ ( E @ member ) ) )
           => ( A @ ( E @ ( C @ apply ) ) ) )
        & ( B @ ( C @ ( A @ lower_bound ) ) )
        & ( B @ ( A @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',greatest_lower_bound) ).

thf(182,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( ! [E: $i] :
              ( ( ( B @ ( C @ ( E @ lower_bound ) ) )
                & ( D @ ( E @ member ) ) )
             => ( A @ ( E @ ( C @ apply ) ) ) )
          & ( B @ ( C @ ( A @ lower_bound ) ) )
          & ( B @ ( A @ member ) ) )
       => ( D @ ( C @ ( B @ ( A @ greatest_lower_bound ) ) ) ) )
      & ( ( D @ ( C @ ( B @ ( A @ greatest_lower_bound ) ) ) )
       => ( ! [E: $i] :
              ( ( ( B @ ( C @ ( E @ lower_bound ) ) )
                & ( D @ ( E @ member ) ) )
             => ( A @ ( E @ ( C @ apply ) ) ) )
          & ( B @ ( C @ ( A @ lower_bound ) ) )
          & ( B @ ( A @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(576,plain,
    ! [B: $i,A: $i] :
      ( ( A
       != ( sk5 @ singleton ) )
      | ( B != sk3 )
      | ~ sk4
      | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
      | ~ ( B @ singleton @ ( A @ member ) ) ),
    inference(paramod_ordered,[status(thm)],[171,297]) ).

thf(577,plain,
    ! [A: $i] :
      ( ( A != sk3 )
      | ~ sk4
      | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
      | ~ ( A @ singleton @ ( sk5 @ singleton @ member ) ) ),
    inference(pattern_uni,[status(thm)],[576:[bind(A,$thf( sk5 @ singleton )),bind(B,$thf( B ))]]) ).

thf(744,plain,
    ( ~ sk4
    | ~ ( sk2 @ ( sk1 @ ( sk3 @ ( sk5 @ greatest_lower_bound ) ) ) )
    | ~ ( sk3 @ singleton @ ( sk5 @ singleton @ member ) ) ),
    inference(simp,[status(thm)],[577]) ).

thf(8,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ ( C @ ( B @ ( A @ least_upper_bound ) ) ) )
    <=> ( ! [E: $i] :
            ( ( ( B @ ( C @ ( E @ upper_bound ) ) )
              & ( D @ ( E @ member ) ) )
           => ( E @ ( A @ ( C @ apply ) ) ) )
        & ( B @ ( C @ ( A @ upper_bound ) ) )
        & ( B @ ( A @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',least_upper_bound) ).

thf(154,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( ! [E: $i] :
              ( ( ( B @ ( C @ ( E @ upper_bound ) ) )
                & ( D @ ( E @ member ) ) )
             => ( E @ ( A @ ( C @ apply ) ) ) )
          & ( B @ ( C @ ( A @ upper_bound ) ) )
          & ( B @ ( A @ member ) ) )
       => ( D @ ( C @ ( B @ ( A @ least_upper_bound ) ) ) ) )
      & ( ( D @ ( C @ ( B @ ( A @ least_upper_bound ) ) ) )
       => ( ! [E: $i] :
              ( ( ( B @ ( C @ ( E @ upper_bound ) ) )
                & ( D @ ( E @ member ) ) )
             => ( E @ ( A @ ( C @ apply ) ) ) )
          & ( B @ ( C @ ( A @ upper_bound ) ) )
          & ( B @ ( A @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(69,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ order ) )
      | ( A @ ( B @ sk13 ) @ ( A @ ( B @ sk12 ) @ ( A @ apply ) ) )
      | ( B @ ( A @ ( B @ sk10 ) @ member ) )
      | ( A @ ( B @ sk7 ) ) ),
    inference(cnfConj,[status(thm)],[36]) ).

thf(72,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ order ) )
      | ( A @ ( B @ sk13 ) @ ( A @ ( B @ sk12 ) @ ( A @ apply ) ) )
      | ( B @ ( A @ ( B @ sk10 ) @ member ) )
      | ( A @ ( B @ sk7 ) ) ),
    inference(simp,[status(thm)],[69]) ).

thf(476,plain,
    ! [B: $i,A: $i] :
      ( ( A != sk3 )
      | ( B != empty_set )
      | sk4
      | ~ ( B @ singleton @ ( A @ member ) ) ),
    inference(paramod_ordered,[status(thm)],[171,303]) ).

thf(477,plain,
    ! [A: $i] :
      ( ( A != empty_set )
      | sk4
      | ~ ( A @ singleton @ ( sk3 @ member ) ) ),
    inference(pattern_uni,[status(thm)],[476:[bind(A,$thf( sk3 ))]]) ).

thf(813,plain,
    ( sk4
    | ~ ( empty_set @ singleton @ ( sk3 @ member ) ) ),
    inference(simp,[status(thm)],[477]) ).

thf(269,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ unordered_pair ) @ ( A @ member ) )
      | ( A != B ) ),
    inference(cnfConj,[status(thm)],[267]) ).

thf(272,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ unordered_pair ) @ ( A @ member ) )
      | ( A != B ) ),
    inference(lifteq,[status(thm)],[269]) ).

thf(273,plain,
    ! [B: $i,A: $i] : ( B @ ( A @ unordered_pair ) @ ( A @ member ) ),
    inference(simp,[status(thm)],[272]) ).

thf(309,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) @ ( A @ member ) )
       != ( empty_set @ ( C @ member ) ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[273,229]) ).

thf(310,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) @ ( A @ member ) )
     != ( empty_set @ ( C @ member ) ) ),
    inference(simp,[status(thm)],[309]) ).

thf(313,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) )
       != empty_set )
      | ( A != C ) ),
    inference(simp,[status(thm)],[310]) ).

thf(315,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( B @ unordered_pair ) )
     != empty_set ),
    inference(simp,[status(thm)],[313]) ).

thf(397,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ singleton @ ( A @ member ) )
       != ( sk2 @ ( B @ member ) ) )
      | ( B @ ( B @ ( sk1 @ apply ) ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[173,389]) ).

thf(398,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ singleton @ ( A @ member ) )
       != ( sk2 @ ( B @ member ) ) )
      | ( B @ ( B @ ( sk1 @ apply ) ) ) ),
    inference(simp,[status(thm)],[397]) ).

thf(406,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ singleton )
       != sk2 )
      | ( A != B )
      | ( B @ ( B @ ( sk1 @ apply ) ) ) ),
    inference(simp,[status(thm)],[398]) ).

thf(410,plain,
    ! [A: $i] :
      ( ( ( A @ singleton )
       != sk2 )
      | ( A @ ( A @ ( sk1 @ apply ) ) ) ),
    inference(simp,[status(thm)],[406]) ).

thf(14,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ greatest ) ) )
    <=> ( ! [D: $i] :
            ( ( B @ ( D @ member ) )
           => ( C @ ( D @ ( A @ apply ) ) ) )
        & ( B @ ( C @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',greatest) ).

thf(210,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ! [D: $i] :
              ( ( B @ ( D @ member ) )
             => ( C @ ( D @ ( A @ apply ) ) ) )
          & ( B @ ( C @ member ) ) )
       => ( B @ ( A @ ( C @ greatest ) ) ) )
      & ( ( B @ ( A @ ( C @ greatest ) ) )
       => ( ! [D: $i] :
              ( ( B @ ( D @ member ) )
             => ( C @ ( D @ ( A @ apply ) ) ) )
          & ( B @ ( C @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(5,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ least ) ) )
    <=> ( ! [D: $i] :
            ( ( B @ ( D @ member ) )
           => ( D @ ( C @ ( A @ apply ) ) ) )
        & ( B @ ( C @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',least) ).

thf(126,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ! [D: $i] :
              ( ( B @ ( D @ member ) )
             => ( D @ ( C @ ( A @ apply ) ) ) )
          & ( B @ ( C @ member ) ) )
       => ( B @ ( A @ ( C @ least ) ) ) )
      & ( ( B @ ( A @ ( C @ least ) ) )
       => ( ! [D: $i] :
              ( ( B @ ( D @ member ) )
             => ( D @ ( C @ ( A @ apply ) ) ) )
          & ( B @ ( C @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(23,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ sum @ ( A @ member ) )
    <=> ? [C: $i] :
          ( ( C @ ( A @ member ) )
          & ( B @ ( C @ member ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sum) ).

thf(283,plain,
    ! [A: $i,B: $i] :
      ( ( ? [C: $i] :
            ( ( C @ ( A @ member ) )
            & ( B @ ( C @ member ) ) )
       => ( B @ sum @ ( A @ member ) ) )
      & ( ( B @ sum @ ( A @ member ) )
       => ? [C: $i] :
            ( ( C @ ( A @ member ) )
            & ( B @ ( C @ member ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(2857,plain,
    $false,
    inference(e,[status(thm)],[389,29,121,229,225,173,323,194,47,227,276,202,174,24,257,293,265,793,366,28,297,275,33,237,244,412,166,148,180,32,34,27,413,113,219,230,303,306,135,855,327,359,31,791,182,744,154,72,813,171,315,410,30,273,210,126,283]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SET802+4 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.07  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.13/0.38  % Computer : n008.cluster.edu
% 0.13/0.38  % Model    : x86_64 x86_64
% 0.13/0.38  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.38  % Memory   : 8046.5625MB
% 0.13/0.38  % OS       : Linux 6.8.0-71-generic
% 0.13/0.38  % CPULimit : 300
% 0.13/0.38  % WCLimit  : 300
% 0.13/0.38  % DateTime : Sat Sep 26 08:17:39 UTC 2026
% 0.13/0.38  % CPUTime  : 
% 0.13/0.38  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.63/0.69  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.02/0.81  % [INFO] 	 Parsing done (122ms). 
% 1.02/0.82  % [INFO] 	 Running in sequential loop mode. 
% 1.35/1.02  % [INFO] 	 eprover registered as external prover. 
% 1.35/1.03  % [INFO] 	 Scanning for conjecture ... 
% 1.66/1.08  % [INFO] 	 Found a conjecture (or negated_conjecture) and 21 axioms. Running axiom selection ... 
% 1.66/1.12  % [INFO] 	 Axiom selection finished. Selected 21 axioms (removed 0 axioms). 
% 1.91/1.16  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 1.91/1.16  % [INFO] 	 Type checking passed. 
% 1.91/1.17  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 18.25/4.35  % External prover 'e' found a proof!
% 18.25/4.35  % [INFO] 	 Killing All external provers ... 
% 18.25/4.36  % Time passed: 3887ms (effective reasoning time: 3536ms)
% 18.25/4.36  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 18.25/4.36  % Axioms used in derivation (21): power_set, unordered_pair, union, intersection, empty_set, upper_bound, min, least, max, total_order, singleton, difference, product, least_upper_bound, greatest_lower_bound, greatest, subset, order, equal_set, lower_bound, sum
% 18.25/4.36  % No. of inferences in proof: 153
% 18.25/4.36  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 3887 ms resp. 3536 ms w/o parsing
% 16.88/4.52  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 16.88/4.52  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------