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

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SEU197+1 : TPTP v9.3.1. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39

% Computer : n017.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 08:37:59 AM UTC 2026

% Result   : Theorem 189.11s 55.15s
% Output   : Refutation 190.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   41
% Syntax   : Number of formulae    :  322 ( 102 unt;   0 typ;  16 def)
%            Number of atoms       : 1082 ( 255 equ;   0 cnn)
%            Maximal formula atoms :   42 (   3 avg)
%            Number of connectives : 2988 ( 454   ~; 400   |;  81   &;1978   @)
%                                         (   6 <=>;  69  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   27 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   31 (  28 usr;  11 con; 0-3 aty)
%            Number of variables   :  523 (  22   ^; 455   !;  30   ?; 523   :)
%                                         (   0  !>;   0  ?*;   0  @-;  16  @+)

% Comments : 
%------------------------------------------------------------------------------
thf(relation_decl,type,
    relation: $i > $o ).

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

thf(relation_rng_decl,type,
    relation_rng: $i > $i ).

thf(relation_rng_restriction_decl,type,
    relation_rng_restriction: $i > $i > $i ).

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

thf(empty_decl,type,
    empty: $i > $o ).

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

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

thf(ordered_pair_decl,type,
    ordered_pair: $i > $i > $i ).

thf(element_decl,type,
    element: $i > $i > $o ).

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 ).

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

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

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

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

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

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

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

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

thf(sk16_decl,type,
    sk16: $i > $i > $i ).

thf(sk17_decl,type,
    sk17: $i > $i > $i ).

thf(sk18_decl,type,
    sk18: $i > $i > $i ).

thf(sk1_def,definition,
    ( sk1
    = ( @+[A: $i] :
          ~ ! [B: $i,C: $i] :
              ( ( C @ relation )
             => ( ( ( ( C @ relation_rng @ ( A @ in ) )
                    & ( B @ ( A @ in ) ) )
                 => ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) ) )
                & ( ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) )
                 => ( ( C @ relation_rng @ ( A @ in ) )
                    & ( B @ ( A @ in ) ) ) ) ) ) ) ) ).

thf(sk2_def,definition,
    ( sk2
    = ( @+[A: $i] :
          ~ ! [B: $i] :
              ( ( B @ relation )
             => ( ( ( ( B @ relation_rng @ ( sk1 @ in ) )
                    & ( A @ ( sk1 @ in ) ) )
                 => ( B @ ( A @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) ) )
                & ( ( B @ ( A @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
                 => ( ( B @ relation_rng @ ( sk1 @ in ) )
                    & ( A @ ( sk1 @ in ) ) ) ) ) ) ) ) ).

thf(sk3_def,definition,
    ( sk3
    = ( @+[A: $i] :
          ~ ( ( A @ relation )
           => ( ( ( ( A @ relation_rng @ ( sk1 @ in ) )
                  & ( sk2 @ ( sk1 @ in ) ) )
               => ( A @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) ) )
              & ( ( A @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
               => ( ( A @ relation_rng @ ( sk1 @ in ) )
                  & ( sk2 @ ( sk1 @ in ) ) ) ) ) ) ) ) ).

thf(sk5_def,definition,
    ( sk5
    = ( @+[A: $i] : ( A @ empty ) ) ) ).

thf(sk6_def,definition,
    ( sk6
    = ( @+[A: $i] :
          ~ ( A @ empty ) ) ) ).

thf(sk7_def,definition,
    ( sk7
    = ( ^ [A: $i] :
        @+[B: $i] : ( A @ ( B @ element ) ) ) ) ).

thf(sk8_def,definition,
    ( sk8
    = ( @+[A: $i] :
          ( ( A @ relation )
          & ( A @ empty ) ) ) ) ).

thf(sk9_def,definition,
    ( sk9
    = ( @+[A: $i] :
          ( ( A @ relation )
          & ~ ( A @ empty ) ) ) ) ).

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

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

thf(sk13_def,definition,
    ( sk13
    = ( ^ [A: $i,B: $i,C: $i] :
        @+[D: $i] :
          ~ ! [E: $i] :
              ( ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                & ( C @ ( E @ in ) ) )
             => ( A @ ( E @ ( D @ ordered_pair ) @ in ) ) ) ) ) ).

thf(sk14_def,definition,
    ( sk14
    = ( ^ [A: $i,B: $i,C: $i] :
        @+[D: $i] :
          ~ ( ( ( B @ ( D @ ( C @ ( B @ ( A @ sk13 ) ) @ ordered_pair ) @ in ) )
              & ( C @ ( D @ in ) ) )
           => ( A @ ( D @ ( C @ ( B @ ( A @ sk13 ) ) @ ordered_pair ) @ in ) ) ) ) ) ).

thf(sk15_def,definition,
    ( sk15
    = ( ^ [A: $i,B: $i,C: $i] :
        @+[D: $i] : ( C @ ( A @ ( D @ ordered_pair ) @ in ) ) ) ) ).

thf(sk16_def,definition,
    ( sk16
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( A @ ( C @ in ) )
           => ? [D: $i] : ( B @ ( C @ ( D @ ordered_pair ) @ in ) ) ) ) ) ).

thf(sk17_def,definition,
    ( sk17
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ? [D: $i] : ( B @ ( C @ ( D @ ordered_pair ) @ in ) )
           => ( A @ ( C @ in ) ) ) ) ) ).

thf(sk18_def,definition,
    ( sk18
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] : ( B @ ( B @ ( A @ sk17 ) @ ( C @ ordered_pair ) @ in ) ) ) ) ).

thf(21,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ element ) )
     => ( ( B @ ( A @ in ) )
        | ( B @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(88,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ element ) )
     => ( ( B @ ( A @ in ) )
        | ( B @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(1,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) )
      <=> ( ( C @ relation_rng @ ( A @ in ) )
          & ( B @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t115_relat_1) ).

thf(2,negated_conjecture,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( C @ relation )
       => ( ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) )
        <=> ( ( C @ relation_rng @ ( A @ in ) )
            & ( B @ ( A @ in ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(27,plain,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( C @ relation )
       => ( ( ( ( C @ relation_rng @ ( A @ in ) )
              & ( B @ ( A @ in ) ) )
           => ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) ) )
          & ( ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) )
           => ( ( C @ relation_rng @ ( A @ in ) )
              & ( B @ ( A @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(28,plain,
    ( ( ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
      | sk4 )
    & ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
      | sk4 )
    & ( ( sk2 @ ( sk1 @ in ) )
      | sk4 )
    & ( ~ sk4
      | ~ ( sk3 @ relation_rng @ ( sk1 @ in ) )
      | ~ ( sk2 @ ( sk1 @ in ) ) )
    & ( ~ sk4
      | ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) ) )
    & ( sk3 @ relation ) ),
    inference(cnf,[status(esa)],[27]) ).

thf(31,plain,
    ( ~ sk4
    | ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) ) ),
    inference(cnfConj,[status(thm)],[28]) ).

thf(22,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ~ ( A @ ( B @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(90,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ~ ( A @ ( B @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(91,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ in ) )
      | ~ ( B @ ( A @ in ) ) ),
    inference(cnf,[status(esa)],[90]) ).

thf(2484,plain,
    ! [B: $i,A: $i] :
      ( ~ $true
      | ( ( A @ ( B @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( B @ ( A @ in ) ) ),
    inference(eqfactor_ordered,[status(thm)],[91]) ).

thf(2485,plain,
    ! [A: $i] :
      ~ ( A @ ( A @ in ) ),
    inference(pattern_uni,[status(thm)],[2484:[bind(A,$thf( B ))]]) ).

thf(2490,plain,
    ! [A: $i] :
      ~ ( A @ ( A @ in ) ),
    inference(simp,[status(thm)],[2485]) ).

thf(2495,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
       != ( A @ ( A @ in ) ) )
      | ~ $true
      | ~ sk4 ),
    inference(paramod_ordered,[status(thm)],[31,2490]) ).

thf(2496,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
       != ( A @ ( A @ in ) ) )
      | ~ sk4 ),
    inference(simp,[status(thm)],[2495]) ).

thf(2505,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng )
       != A )
      | ( sk1 != A )
      | ~ sk4 ),
    inference(simp,[status(thm)],[2496]) ).

thf(2512,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng )
     != sk1 )
    | ~ sk4 ),
    inference(simp,[status(thm)],[2505]) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ unordered_pair ) )
      = ( A @ ( B @ unordered_pair ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

thf(35,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ unordered_pair ) )
      = ( A @ ( B @ unordered_pair ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(36,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) )
      = ( A @ ( B @ unordered_pair ) ) ),
    inference(cnf,[status(esa)],[35]) ).

thf(37,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) )
      = ( A @ ( B @ unordered_pair ) ) ),
    inference(lifteq,[status(thm)],[36]) ).

thf(15,axiom,
    ? [A: $i] :
      ( ( A @ relation )
      & ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(67,plain,
    ? [A: $i] :
      ( ( A @ relation )
      & ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(68,plain,
    ( ( sk8 @ relation )
    & ( sk8 @ empty ) ),
    inference(cnf,[status(esa)],[67]) ).

thf(69,plain,
    sk8 @ empty,
    inference(cnfConj,[status(thm)],[68]) ).

thf(13,axiom,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ ordered_pair ) @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_zfmisc_1) ).

thf(62,plain,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ ordered_pair ) @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(63,plain,
    ~ ? [A: $i,B: $i] : ( B @ ( A @ ordered_pair ) @ empty ),
    inference(miniscope,[status(thm)],[62]) ).

thf(64,plain,
    ! [B: $i,A: $i] :
      ~ ( B @ ( A @ ordered_pair ) @ empty ),
    inference(cnf,[status(esa)],[63]) ).

thf(560,plain,
    ! [B: $i,A: $i] :
      ( ( ( B @ ( A @ ordered_pair ) @ empty )
       != ( sk8 @ empty ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[69,64]) ).

thf(561,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ ordered_pair ) @ empty )
     != ( sk8 @ empty ) ),
    inference(simp,[status(thm)],[560]) ).

thf(572,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ ordered_pair ) )
     != sk8 ),
    inference(simp,[status(thm)],[561]) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ ordered_pair ) )
      = ( A @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_tarski) ).

thf(51,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ ordered_pair ) )
      = ( A @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(52,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ ordered_pair ) )
      = ( A @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) ) ),
    inference(cnf,[status(esa)],[51]) ).

thf(53,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ ordered_pair ) )
      = ( A @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) ) ),
    inference(lifteq,[status(thm)],[52]) ).

thf(11,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(57,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(58,plain,
    ! [A: $i] :
      ( ( A = empty_set )
      | ~ ( A @ empty ) ),
    inference(cnf,[status(esa)],[57]) ).

thf(59,plain,
    ! [A: $i] :
      ( ~ ( A @ empty )
      | ( A = empty_set ) ),
    inference(lifteq,[status(thm)],[58]) ).

thf(636,plain,
    ! [A: $i] :
      ( ( ( sk8 @ empty )
       != ( A @ empty ) )
      | ~ $true
      | ( A = empty_set ) ),
    inference(paramod_ordered,[status(thm)],[69,59]) ).

thf(637,plain,
    ! [A: $i] :
      ( ( ( sk8 @ empty )
       != ( A @ empty ) )
      | ( A = empty_set ) ),
    inference(simp,[status(thm)],[636]) ).

thf(638,plain,
    sk8 = empty_set,
    inference(pattern_uni,[status(thm)],[637:[bind(A,$thf( sk8 ))]]) ).

thf(1159,plain,
    ! [B: $i,A: $i] :
      ( ( A @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) )
     != empty_set ),
    inference(rewrite,[status(thm)],[572,53,638]) ).

thf(1160,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) )
       != ( D @ ( C @ unordered_pair ) ) )
      | ( ( C @ singleton @ ( A @ ( B @ unordered_pair ) @ unordered_pair ) )
       != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[37,1159]) ).

thf(1161,plain,
    ! [B: $i,A: $i] :
      ( ( A @ singleton @ ( A @ ( B @ unordered_pair ) @ unordered_pair ) )
     != empty_set ),
    inference(pattern_uni,[status(thm)],[1160:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(1322,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) )
       != ( C @ ( D @ unordered_pair ) ) )
      | ( ( C @ singleton @ ( A @ ( B @ unordered_pair ) @ unordered_pair ) )
       != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[37,1161]) ).

thf(1323,plain,
    ! [B: $i,A: $i] :
      ( ( B @ singleton @ ( A @ ( B @ unordered_pair ) @ unordered_pair ) )
     != empty_set ),
    inference(pattern_uni,[status(thm)],[1322:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(18,axiom,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(77,plain,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(32,plain,
    ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
    | sk4 ),
    inference(cnfConj,[status(thm)],[28]) ).

thf(29,plain,
    ( ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
    | sk4 ),
    inference(cnfConj,[status(thm)],[28]) ).

thf(157,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
     != ( sk3 @ relation_rng @ ( sk1 @ in ) ) )
    | ~ $true
    | sk4
    | sk4 ),
    inference(paramod_ordered,[status(thm)],[32,29]) ).

thf(158,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
     != ( sk3 @ relation_rng @ ( sk1 @ in ) ) )
    | sk4 ),
    inference(simp,[status(thm)],[157]) ).

thf(161,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng )
     != ( sk3 @ relation_rng ) )
    | ( sk1 != sk1 )
    | sk4 ),
    inference(simp,[status(thm)],[158]) ).

thf(163,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng )
     != ( sk3 @ relation_rng ) )
    | sk4 ),
    inference(simp,[status(thm)],[161]) ).

thf(209,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) )
     != sk3 )
    | sk4 ),
    inference(simp,[status(thm)],[163]) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ unordered_pair ) @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(54,plain,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ unordered_pair ) @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(55,plain,
    ~ ? [A: $i,B: $i] : ( B @ ( A @ unordered_pair ) @ empty ),
    inference(miniscope,[status(thm)],[54]) ).

thf(56,plain,
    ! [B: $i,A: $i] :
      ~ ( B @ ( A @ unordered_pair ) @ empty ),
    inference(cnf,[status(esa)],[55]) ).

thf(1320,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) )
       != ( C @ singleton @ ( C @ ( D @ unordered_pair ) @ unordered_pair ) ) )
      | ( ( A @ ( B @ unordered_pair ) )
       != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[37,1161]) ).

thf(1321,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) @ ( B @ singleton @ unordered_pair ) )
     != empty_set ),
    inference(pattern_uni,[status(thm)],[1320:[bind(A,$thf( G @ ( E @ unordered_pair ) )),bind(B,$thf( G @ singleton )),bind(C,$thf( G )),bind(D,$thf( E ))]]) ).

thf(1358,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) @ ( B @ singleton @ unordered_pair ) )
     != empty_set ),
    inference(simp,[status(thm)],[1321]) ).

thf(3413,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( A @ ( B @ unordered_pair ) )
       != ( D @ ( C @ unordered_pair ) ) )
      | ( ( B @ ( A @ unordered_pair ) @ ( D @ singleton @ unordered_pair ) )
       != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[37,1358]) ).

thf(3414,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) @ ( A @ singleton @ unordered_pair ) )
     != empty_set ),
    inference(pattern_uni,[status(thm)],[3413:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(5,axiom,
    ? [A: $i] : ( A @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(42,plain,
    ? [A: $i] : ( A @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(33,plain,
    sk3 @ relation,
    inference(cnfConj,[status(thm)],[28]) ).

thf(23,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( A @ relation_rng_restriction ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k8_relat_1) ).

thf(92,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( A @ relation_rng_restriction ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(93,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ relation_rng_restriction ) @ relation )
      | ~ ( B @ relation ) ),
    inference(cnf,[status(esa)],[92]) ).

thf(2600,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ relation )
       != ( B @ relation ) )
      | ( B @ ( A @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[33,93]) ).

thf(2601,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ relation )
       != ( B @ relation ) )
      | ( B @ ( A @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[2600]) ).

thf(2602,plain,
    ! [A: $i] : ( sk3 @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[2601:[bind(A,$thf( A )),bind(B,$thf( sk3 ))]]) ).

thf(2659,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( sk3 @ ( A @ relation_rng_restriction ) @ relation )
       != ( C @ relation ) )
      | ( C @ ( B @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[2602,93]) ).

thf(2660,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( sk3 @ ( A @ relation_rng_restriction ) @ relation )
       != ( C @ relation ) )
      | ( C @ ( B @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[2659]) ).

thf(2661,plain,
    ! [B: $i,A: $i] : ( sk3 @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[2660:[bind(A,$thf( D )),bind(B,$thf( B )),bind(C,$thf( sk3 @ ( D @ relation_rng_restriction ) ))]]) ).

thf(2670,plain,
    ! [B: $i,A: $i] : ( sk3 @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(simp,[status(thm)],[2661]) ).

thf(3245,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( sk3 @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation )
       != ( D @ relation ) )
      | ( D @ ( C @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[2670,93]) ).

thf(3246,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( sk3 @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation )
       != ( D @ relation ) )
      | ( D @ ( C @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[3245]) ).

thf(3247,plain,
    ! [C: $i,B: $i,A: $i] : ( sk3 @ ( C @ relation_rng_restriction ) @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[3246:[bind(A,$thf( E )),bind(B,$thf( G )),bind(C,$thf( C )),bind(D,$thf( sk3 @ ( G @ relation_rng_restriction ) @ ( E @ relation_rng_restriction ) ))]]) ).

thf(3281,plain,
    ! [C: $i,B: $i,A: $i] : ( sk3 @ ( C @ relation_rng_restriction ) @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(simp,[status(thm)],[3247]) ).

thf(6,axiom,
    ? [A: $i] :
      ~ ( A @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(44,plain,
    ? [A: $i] :
      ~ ( A @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(45,plain,
    ~ ! [A: $i] : ( A @ empty ),
    inference(miniscope,[status(thm)],[44]) ).

thf(46,plain,
    ~ ( sk6 @ empty ),
    inference(cnf,[status(esa)],[45]) ).

thf(34,plain,
    ( ( sk2 @ ( sk1 @ in ) )
    | sk4 ),
    inference(cnfConj,[status(thm)],[28]) ).

thf(159,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
     != ( sk2 @ ( sk1 @ in ) ) )
    | ~ $true
    | sk4
    | sk4 ),
    inference(paramod_ordered,[status(thm)],[34,29]) ).

thf(160,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
     != ( sk2 @ ( sk1 @ in ) ) )
    | sk4 ),
    inference(simp,[status(thm)],[159]) ).

thf(162,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng )
     != sk2 )
    | ( sk1 != sk1 )
    | sk4 ),
    inference(simp,[status(thm)],[160]) ).

thf(164,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng )
     != sk2 )
    | sk4 ),
    inference(simp,[status(thm)],[162]) ).

thf(8,axiom,
    empty_set @ empty,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(50,plain,
    empty_set @ empty,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(19,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_rng @ relation )
        & ( A @ relation_rng @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc8_relat_1) ).

thf(81,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_rng @ relation )
        & ( A @ relation_rng @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(82,plain,
    ! [A: $i] :
      ( ( ( A @ relation_rng @ relation )
        | ~ ( A @ empty ) )
      & ( ( A @ relation_rng @ empty )
        | ~ ( A @ empty ) ) ),
    inference(cnf,[status(esa)],[81]) ).

thf(83,plain,
    ! [A: $i] :
      ( ( A @ relation_rng @ empty )
      | ~ ( A @ empty ) ),
    inference(cnfConj,[status(thm)],[82]) ).

thf(1899,plain,
    ! [A: $i] :
      ( ( ( empty_set @ empty )
       != ( A @ empty ) )
      | ( A @ relation_rng @ empty )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[50,83]) ).

thf(1900,plain,
    ! [A: $i] :
      ( ( ( empty_set @ empty )
       != ( A @ empty ) )
      | ( A @ relation_rng @ empty ) ),
    inference(simp,[status(thm)],[1899]) ).

thf(1901,plain,
    empty_set @ relation_rng @ empty,
    inference(pattern_uni,[status(thm)],[1900:[bind(A,$thf( empty_set ))]]) ).

thf(1959,plain,
    ! [A: $i] :
      ( ( ( empty_set @ relation_rng @ empty )
       != ( A @ empty ) )
      | ( A @ relation_rng @ empty )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[1901,83]) ).

thf(1960,plain,
    ! [A: $i] :
      ( ( ( empty_set @ relation_rng @ empty )
       != ( A @ empty ) )
      | ( A @ relation_rng @ empty ) ),
    inference(simp,[status(thm)],[1959]) ).

thf(1961,plain,
    empty_set @ relation_rng @ relation_rng @ empty,
    inference(pattern_uni,[status(thm)],[1960:[bind(A,$thf( empty_set @ relation_rng ))]]) ).

thf(1947,plain,
    ! [A: $i] :
      ( ( ( empty_set @ relation_rng @ empty )
       != ( A @ empty ) )
      | ~ $true
      | ( A = empty_set ) ),
    inference(paramod_ordered,[status(thm)],[1901,59]) ).

thf(1948,plain,
    ! [A: $i] :
      ( ( ( empty_set @ relation_rng @ empty )
       != ( A @ empty ) )
      | ( A = empty_set ) ),
    inference(simp,[status(thm)],[1947]) ).

thf(1949,plain,
    ( ( empty_set @ relation_rng )
    = empty_set ),
    inference(pattern_uni,[status(thm)],[1948:[bind(A,$thf( empty_set @ relation_rng ))]]) ).

thf(2051,plain,
    empty_set @ relation_rng @ empty,
    inference(rewrite,[status(thm)],[1961,1949]) ).

thf(84,plain,
    ! [A: $i] :
      ( ( A @ relation_rng @ relation )
      | ~ ( A @ empty ) ),
    inference(cnfConj,[status(thm)],[82]) ).

thf(2158,plain,
    ! [A: $i] :
      ( ( ( empty_set @ relation_rng @ empty )
       != ( A @ empty ) )
      | ( A @ relation_rng @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[2051,84]) ).

thf(2159,plain,
    ! [A: $i] :
      ( ( ( empty_set @ relation_rng @ empty )
       != ( A @ empty ) )
      | ( A @ relation_rng @ relation ) ),
    inference(simp,[status(thm)],[2158]) ).

thf(2160,plain,
    empty_set @ relation_rng @ relation_rng @ relation,
    inference(pattern_uni,[status(thm)],[2159:[bind(A,$thf( empty_set @ relation_rng ))]]) ).

thf(2254,plain,
    empty_set @ relation_rng @ relation,
    inference(rewrite,[status(thm)],[2160,1949]) ).

thf(717,plain,
    ! [A: $i] :
      ( ( A != sk2 )
      | ( empty_set @ ( sk1 @ in ) )
      | sk4
      | ~ ( A @ empty ) ),
    inference(paramod_ordered,[status(thm)],[59,34]) ).

thf(718,plain,
    ( ( empty_set @ ( sk1 @ in ) )
    | sk4
    | ~ ( sk2 @ empty ) ),
    inference(pattern_uni,[status(thm)],[717:[bind(A,$thf( sk2 ))]]) ).

thf(1281,plain,
    ( ( ( sk2 @ empty )
     != ( empty_set @ empty ) )
    | ( empty_set @ ( sk1 @ in ) )
    | sk4
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[50,718]) ).

thf(1282,plain,
    ( ( ( sk2 @ empty )
     != ( empty_set @ empty ) )
    | ( empty_set @ ( sk1 @ in ) )
    | sk4 ),
    inference(simp,[status(thm)],[1281]) ).

thf(1292,plain,
    ( ( sk2 != empty_set )
    | ( empty_set @ ( sk1 @ in ) )
    | sk4 ),
    inference(simp,[status(thm)],[1282]) ).

thf(20,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(85,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(86,plain,
    ~ ? [A: $i,B: $i] :
        ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    inference(miniscope,[status(thm)],[85]) ).

thf(87,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ empty )
      | ~ ( B @ ( A @ in ) ) ),
    inference(cnf,[status(esa)],[86]) ).

thf(2233,plain,
    ! [B: $i,A: $i] :
      ( ( ( empty_set @ empty )
       != ( B @ empty ) )
      | ~ $true
      | ~ ( B @ ( A @ in ) ) ),
    inference(paramod_ordered,[status(thm)],[50,87]) ).

thf(2234,plain,
    ! [B: $i,A: $i] :
      ( ( ( empty_set @ empty )
       != ( B @ empty ) )
      | ~ ( B @ ( A @ in ) ) ),
    inference(simp,[status(thm)],[2233]) ).

thf(2235,plain,
    ! [A: $i] :
      ~ ( empty_set @ ( A @ in ) ),
    inference(pattern_uni,[status(thm)],[2234:[bind(A,$thf( A )),bind(B,$thf( empty_set ))]]) ).

thf(2283,plain,
    ( ( sk2 != empty_set )
    | $false
    | sk4 ),
    inference(rewrite,[status(thm)],[1292,2235]) ).

thf(2284,plain,
    ( ( sk2 != empty_set )
    | sk4 ),
    inference(simp,[status(thm)],[2283]) ).

thf(2236,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( B @ empty )
      | ~ $true
      | ~ sk4 ),
    inference(paramod_ordered,[status(thm)],[31,87]) ).

thf(2237,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( B @ empty )
      | ~ sk4 ),
    inference(simp,[status(thm)],[2236]) ).

thf(2238,plain,
    ( ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ empty )
    | ~ sk4 ),
    inference(pattern_uni,[status(thm)],[2237:[bind(A,$thf( sk1 )),bind(B,$thf( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng ))]]) ).

thf(2756,plain,
    ! [A: $i] :
      ( ( ( A @ relation_rng @ empty )
       != ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ empty ) )
      | ~ $true
      | ~ sk4
      | ~ ( A @ empty ) ),
    inference(paramod_ordered,[status(thm)],[83,2238]) ).

thf(2757,plain,
    ! [A: $i] :
      ( ( ( A @ relation_rng @ empty )
       != ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ empty ) )
      | ~ sk4
      | ~ ( A @ empty ) ),
    inference(simp,[status(thm)],[2756]) ).

thf(2758,plain,
    ( ~ sk4
    | ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty ) ),
    inference(pattern_uni,[status(thm)],[2757:[bind(A,$thf( sk3 @ ( sk2 @ relation_rng_restriction ) ))]]) ).

thf(3492,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty )
     != ( empty_set @ empty ) )
    | ~ sk4
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[50,2758]) ).

thf(3493,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty )
     != ( empty_set @ empty ) )
    | ~ sk4 ),
    inference(simp,[status(thm)],[3492]) ).

thf(3505,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) )
     != empty_set )
    | ~ sk4 ),
    inference(simp,[status(thm)],[3493]) ).

thf(3535,plain,
    ( ( sk4 != sk4 )
    | ( ( sk3 @ ( sk2 @ relation_rng_restriction ) )
     != empty_set )
    | ~ $true
    | ( sk2 != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[2284,3505]) ).

thf(3536,plain,
    ( ( sk4 != sk4 )
    | ( ( sk3 @ ( sk2 @ relation_rng_restriction ) )
     != empty_set )
    | ( sk2 != empty_set ) ),
    inference(simp,[status(thm)],[3535]) ).

thf(3537,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) )
     != empty_set )
    | ( sk2 != empty_set ) ),
    inference(pattern_uni,[status(thm)],[3536:[]]) ).

thf(12,axiom,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ element ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(60,plain,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ element ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(61,plain,
    ! [A: $i] : ( A @ ( A @ sk7 @ element ) ),
    inference(cnf,[status(esa)],[60]) ).

thf(89,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ in ) )
      | ( B @ empty )
      | ~ ( B @ ( A @ element ) ) ),
    inference(cnf,[status(esa)],[88]) ).

thf(25,axiom,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_rng @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_relat_1) ).

thf(116,plain,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_rng @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(16,axiom,
    ? [A: $i] :
      ( ( A @ relation )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(71,plain,
    ? [A: $i] :
      ( ( A @ relation )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(72,plain,
    ( ( sk9 @ relation )
    & ~ ( sk9 @ empty ) ),
    inference(cnf,[status(esa)],[71]) ).

thf(74,plain,
    sk9 @ relation,
    inference(cnfConj,[status(thm)],[72]) ).

thf(2597,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk9 @ relation )
       != ( B @ relation ) )
      | ( B @ ( A @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[74,93]) ).

thf(2598,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk9 @ relation )
       != ( B @ relation ) )
      | ( B @ ( A @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[2597]) ).

thf(2599,plain,
    ! [A: $i] : ( sk9 @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[2598:[bind(A,$thf( A )),bind(B,$thf( sk9 ))]]) ).

thf(2629,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( sk9 @ ( A @ relation_rng_restriction ) @ relation )
       != ( C @ relation ) )
      | ( C @ ( B @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[2599,93]) ).

thf(2630,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( sk9 @ ( A @ relation_rng_restriction ) @ relation )
       != ( C @ relation ) )
      | ( C @ ( B @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[2629]) ).

thf(2631,plain,
    ! [B: $i,A: $i] : ( sk9 @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[2630:[bind(A,$thf( D )),bind(B,$thf( B )),bind(C,$thf( sk9 @ ( D @ relation_rng_restriction ) ))]]) ).

thf(2641,plain,
    ! [B: $i,A: $i] : ( sk9 @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(simp,[status(thm)],[2631]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( A != B )
        & ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(38,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( A != B )
        & ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(539,plain,
    ! [B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) @ empty )
       != ( sk8 @ empty ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[69,56]) ).

thf(540,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) @ empty )
     != ( sk8 @ empty ) ),
    inference(simp,[status(thm)],[539]) ).

thf(555,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) )
     != sk8 ),
    inference(simp,[status(thm)],[540]) ).

thf(818,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ unordered_pair ) )
     != empty_set ),
    inference(rewrite,[status(thm)],[555,638]) ).

thf(819,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) )
       != ( D @ ( C @ unordered_pair ) ) )
      | ( ( A @ ( B @ unordered_pair ) )
       != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[37,818]) ).

thf(820,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( B @ unordered_pair ) )
     != empty_set ),
    inference(pattern_uni,[status(thm)],[819:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(2378,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk7 @ element ) )
       != ( C @ ( B @ element ) ) )
      | ( C @ ( B @ in ) )
      | ( C @ empty )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[61,89]) ).

thf(2379,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk7 @ element ) )
       != ( C @ ( B @ element ) ) )
      | ( C @ ( B @ in ) )
      | ( C @ empty ) ),
    inference(simp,[status(thm)],[2378]) ).

thf(2380,plain,
    ! [A: $i] :
      ( ( A @ ( A @ sk7 @ in ) )
      | ( A @ empty ) ),
    inference(pattern_uni,[status(thm)],[2379:[bind(A,$thf( D )),bind(B,$thf( D @ sk7 )),bind(C,$thf( D ))]]) ).

thf(2387,plain,
    ! [A: $i] :
      ( ( A @ ( A @ sk7 @ in ) )
      | ( A @ empty ) ),
    inference(simp,[status(thm)],[2380]) ).

thf(14,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ ( A @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(65,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ ( A @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(66,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ element ) )
      | ~ ( B @ ( A @ in ) ) ),
    inference(cnf,[status(esa)],[65]) ).

thf(3569,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk7 @ in ) )
       != ( C @ ( B @ in ) ) )
      | ( C @ ( B @ element ) )
      | ~ $true
      | ( A @ empty ) ),
    inference(paramod_ordered,[status(thm)],[2387,66]) ).

thf(3570,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk7 @ in ) )
       != ( C @ ( B @ in ) ) )
      | ( C @ ( B @ element ) )
      | ( A @ empty ) ),
    inference(simp,[status(thm)],[3569]) ).

thf(3571,plain,
    ! [A: $i] :
      ( ( A @ ( A @ sk7 @ element ) )
      | ( A @ empty ) ),
    inference(pattern_uni,[status(thm)],[3570:[bind(A,$thf( D )),bind(B,$thf( D @ sk7 )),bind(C,$thf( D ))]]) ).

thf(3600,plain,
    ! [A: $i] :
      ( ( A @ ( A @ sk7 @ element ) )
      | ( A @ empty ) ),
    inference(simp,[status(thm)],[3571]) ).

thf(1141,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ( B @ ( A @ element ) )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[32,66]) ).

thf(1142,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ( B @ ( A @ element ) )
      | sk4 ),
    inference(simp,[status(thm)],[1141]) ).

thf(1143,plain,
    ( ( sk3 @ relation_rng @ ( sk1 @ element ) )
    | sk4 ),
    inference(pattern_uni,[status(thm)],[1142:[bind(A,$thf( sk1 )),bind(B,$thf( sk3 @ relation_rng ))]]) ).

thf(2448,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk2 @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( A @ ( B @ in ) )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[34,91]) ).

thf(2449,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk2 @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( A @ ( B @ in ) )
      | sk4 ),
    inference(simp,[status(thm)],[2448]) ).

thf(2450,plain,
    ( ~ ( sk1 @ ( sk2 @ in ) )
    | sk4 ),
    inference(pattern_uni,[status(thm)],[2449:[bind(A,$thf( sk1 )),bind(B,$thf( sk2 ))]]) ).

thf(24,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ! [C: $i] :
          ( ( C @ relation )
         => ( ( C
              = ( B @ ( A @ relation_rng_restriction ) ) )
          <=> ! [D: $i,E: $i] :
                ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
              <=> ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                  & ( A @ ( E @ in ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d12_relat_1) ).

thf(94,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ! [C: $i] :
          ( ( C @ relation )
         => ( ( ! [D: $i,E: $i] :
                  ( ( ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) )
                   => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                  & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                   => ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) ) ) )
             => ( C
                = ( B @ ( A @ relation_rng_restriction ) ) ) )
            & ( ( C
                = ( B @ ( A @ relation_rng_restriction ) ) )
             => ! [D: $i,E: $i] :
                  ( ( ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) )
                   => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                  & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                   => ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(95,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ! [C: $i] :
          ( ( C @ relation )
         => ( ( ( ! [D: $i,E: $i] :
                    ( ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) )
                   => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                & ! [D: $i,E: $i] :
                    ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                   => ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) ) ) )
             => ( C
                = ( B @ ( A @ relation_rng_restriction ) ) ) )
            & ( ( C
                = ( B @ ( A @ relation_rng_restriction ) ) )
             => ( ! [D: $i,E: $i] :
                    ( ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) )
                   => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                & ! [D: $i,E: $i] :
                    ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                   => ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) ) ) ) ) ) ) ),
    inference(miniscope,[status(thm)],[94]) ).

thf(96,plain,
    ! [G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( C
          = ( B @ ( A @ relation_rng_restriction ) ) )
        | ~ ( C @ ( A @ ( B @ ( C @ sk14 ) ) @ ( A @ ( B @ ( C @ sk13 ) ) @ ordered_pair ) @ in ) )
        | ( C @ ( A @ ( B @ sk10 ) ) )
        | ~ ( C @ relation )
        | ~ ( B @ relation ) )
      & ( ( C
          = ( B @ ( A @ relation_rng_restriction ) ) )
        | ( B @ ( A @ ( B @ ( C @ sk14 ) ) @ ( A @ ( B @ ( C @ sk13 ) ) @ ordered_pair ) @ in ) )
        | ( C @ ( A @ ( B @ sk10 ) ) )
        | ~ ( C @ relation )
        | ~ ( B @ relation ) )
      & ( ( C
          = ( B @ ( A @ relation_rng_restriction ) ) )
        | ( A @ ( A @ ( B @ ( C @ sk14 ) ) @ in ) )
        | ( C @ ( A @ ( B @ sk10 ) ) )
        | ~ ( C @ relation )
        | ~ ( B @ relation ) )
      & ( ( C
          = ( B @ ( A @ relation_rng_restriction ) ) )
        | ~ ( C @ ( A @ ( B @ sk10 ) ) )
        | ~ ( B @ ( A @ ( B @ ( C @ sk12 ) ) @ ( A @ ( B @ ( C @ sk11 ) ) @ ordered_pair ) @ in ) )
        | ~ ( A @ ( A @ ( B @ ( C @ sk12 ) ) @ in ) )
        | ~ ( C @ relation )
        | ~ ( B @ relation ) )
      & ( ( C
          = ( B @ ( A @ relation_rng_restriction ) ) )
        | ~ ( C @ ( A @ ( B @ sk10 ) ) )
        | ( C @ ( A @ ( B @ ( C @ sk12 ) ) @ ( A @ ( B @ ( C @ sk11 ) ) @ ordered_pair ) @ in ) )
        | ~ ( C @ relation )
        | ~ ( B @ relation ) )
      & ( ( C @ ( G @ ( F @ ordered_pair ) @ in ) )
        | ~ ( B @ ( G @ ( F @ ordered_pair ) @ in ) )
        | ~ ( A @ ( G @ in ) )
        | ( C
         != ( B @ ( A @ relation_rng_restriction ) ) )
        | ~ ( C @ relation )
        | ~ ( B @ relation ) )
      & ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
        | ~ ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
        | ( C
         != ( B @ ( A @ relation_rng_restriction ) ) )
        | ~ ( C @ relation )
        | ~ ( B @ relation ) )
      & ( ( A @ ( E @ in ) )
        | ~ ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
        | ( C
         != ( B @ ( A @ relation_rng_restriction ) ) )
        | ~ ( C @ relation )
        | ~ ( B @ relation ) ) ),
    inference(cnf,[status(esa)],[95]) ).

thf(98,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
      | ~ ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
      | ~ ( A @ ( E @ in ) )
      | ( C
       != ( B @ ( A @ relation_rng_restriction ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation ) ),
    inference(cnfConj,[status(thm)],[96]) ).

thf(108,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
      | ~ ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
      | ~ ( A @ ( E @ in ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation )
      | ( C
       != ( B @ ( A @ relation_rng_restriction ) ) ) ),
    inference(lifteq,[status(thm)],[98]) ).

thf(109,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ relation_rng_restriction ) @ ( D @ ( C @ ordered_pair ) @ in ) )
      | ~ ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
      | ~ ( A @ ( D @ in ) )
      | ~ ( B @ ( A @ relation_rng_restriction ) @ relation )
      | ~ ( B @ relation ) ),
    inference(simp,[status(thm)],[108]) ).

thf(5369,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ relation_rng_restriction ) @ ( C @ singleton @ ( D @ ( C @ unordered_pair ) @ unordered_pair ) @ in ) )
      | ~ ( B @ ( C @ singleton @ ( D @ ( C @ unordered_pair ) @ unordered_pair ) @ in ) )
      | ~ ( A @ ( D @ in ) )
      | ~ ( B @ ( A @ relation_rng_restriction ) @ relation )
      | ~ ( B @ relation ) ),
    inference(rewrite,[status(thm)],[109,53]) ).

thf(39,plain,
    ~ ? [A: $i] :
        ( ? [B: $i] :
            ( ( B @ empty )
            & ( A != B ) )
        & ( A @ empty ) ),
    inference(miniscope,[status(thm)],[38]) ).

thf(40,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ empty )
      | ( A = B )
      | ~ ( A @ empty ) ),
    inference(cnf,[status(esa)],[39]) ).

thf(41,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ empty )
      | ~ ( A @ empty )
      | ( A = B ) ),
    inference(lifteq,[status(thm)],[40]) ).

thf(73,plain,
    ~ ( sk9 @ empty ),
    inference(cnfConj,[status(thm)],[72]) ).

thf(101,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( B @ ( A @ relation_rng_restriction ) ) )
      | ( A @ ( A @ ( B @ ( C @ sk14 ) ) @ in ) )
      | ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation ) ),
    inference(cnfConj,[status(thm)],[96]) ).

thf(105,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( A @ ( B @ ( C @ sk14 ) ) @ in ) )
      | ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation )
      | ( C
        = ( B @ ( A @ relation_rng_restriction ) ) ) ),
    inference(lifteq,[status(thm)],[101]) ).

thf(1144,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk2 @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ( B @ ( A @ element ) )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[34,66]) ).

thf(1145,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk2 @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ( B @ ( A @ element ) )
      | sk4 ),
    inference(simp,[status(thm)],[1144]) ).

thf(1146,plain,
    ( ( sk2 @ ( sk1 @ element ) )
    | sk4 ),
    inference(pattern_uni,[status(thm)],[1145:[bind(A,$thf( sk1 )),bind(B,$thf( sk2 ))]]) ).

thf(145,plain,
    ( ( ( sk9 @ empty )
     != ( empty_set @ empty ) )
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[50,73]) ).

thf(146,plain,
    ( ( sk9 @ empty )
   != ( empty_set @ empty ) ),
    inference(simp,[status(thm)],[145]) ).

thf(149,plain,
    sk9 != empty_set,
    inference(simp,[status(thm)],[146]) ).

thf(2224,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( B @ empty )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[32,87]) ).

thf(2225,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( B @ empty )
      | sk4 ),
    inference(simp,[status(thm)],[2224]) ).

thf(2226,plain,
    ( ~ ( sk3 @ relation_rng @ empty )
    | sk4 ),
    inference(pattern_uni,[status(thm)],[2225:[bind(A,$thf( sk1 )),bind(B,$thf( sk3 @ relation_rng ))]]) ).

thf(2833,plain,
    ! [A: $i] :
      ( ( ( A @ relation_rng @ empty )
       != ( sk3 @ relation_rng @ empty ) )
      | ~ $true
      | sk4
      | ~ ( A @ empty ) ),
    inference(paramod_ordered,[status(thm)],[83,2226]) ).

thf(2834,plain,
    ! [A: $i] :
      ( ( ( A @ relation_rng @ empty )
       != ( sk3 @ relation_rng @ empty ) )
      | sk4
      | ~ ( A @ empty ) ),
    inference(simp,[status(thm)],[2833]) ).

thf(2835,plain,
    ( sk4
    | ~ ( sk3 @ empty ) ),
    inference(pattern_uni,[status(thm)],[2834:[bind(A,$thf( sk3 ))]]) ).

thf(2852,plain,
    ( ( ( sk3 @ empty )
     != ( empty_set @ empty ) )
    | sk4
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[50,2835]) ).

thf(2853,plain,
    ( ( ( sk3 @ empty )
     != ( empty_set @ empty ) )
    | sk4 ),
    inference(simp,[status(thm)],[2852]) ).

thf(2859,plain,
    ( ( sk3 != empty_set )
    | sk4 ),
    inference(simp,[status(thm)],[2853]) ).

thf(26,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B
            = ( A @ relation_rng ) )
        <=> ! [C: $i] :
              ( ( B @ ( C @ in ) )
            <=> ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_relat_1) ).

thf(118,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ! [C: $i] :
                ( ( ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) )
           => ( B
              = ( A @ relation_rng ) ) )
          & ( ( B
              = ( A @ relation_rng ) )
           => ! [C: $i] :
                ( ( ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(142,plain,
    ( ( ( sk6 @ empty )
     != ( empty_set @ empty ) )
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[50,46]) ).

thf(143,plain,
    ( ( sk6 @ empty )
   != ( empty_set @ empty ) ),
    inference(simp,[status(thm)],[142]) ).

thf(144,plain,
    sk6 != empty_set,
    inference(simp,[status(thm)],[143]) ).

thf(7,axiom,
    ! [A: $i] :
      ~ ( A @ singleton @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(47,plain,
    ! [A: $i] :
      ~ ( A @ singleton @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(48,plain,
    ~ ? [A: $i] : ( A @ singleton @ empty ),
    inference(miniscope,[status(thm)],[47]) ).

thf(49,plain,
    ! [A: $i] :
      ~ ( A @ singleton @ empty ),
    inference(cnf,[status(esa)],[48]) ).

thf(2295,plain,
    ! [A: $i] :
      ( ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
       != ( empty_set @ ( A @ in ) ) )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[32,2235]) ).

thf(2296,plain,
    ! [A: $i] :
      ( ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
       != ( empty_set @ ( A @ in ) ) )
      | sk4 ),
    inference(simp,[status(thm)],[2295]) ).

thf(2312,plain,
    ! [A: $i] :
      ( ( ( sk3 @ relation_rng )
       != empty_set )
      | ( sk1 != A )
      | sk4 ),
    inference(simp,[status(thm)],[2296]) ).

thf(2319,plain,
    ( ( ( sk3 @ relation_rng )
     != empty_set )
    | sk4 ),
    inference(simp,[status(thm)],[2312]) ).

thf(2227,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk2 @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( B @ empty )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[34,87]) ).

thf(2228,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk2 @ ( sk1 @ in ) )
       != ( B @ ( A @ in ) ) )
      | ~ ( B @ empty )
      | sk4 ),
    inference(simp,[status(thm)],[2227]) ).

thf(2229,plain,
    ( ~ ( sk2 @ empty )
    | sk4 ),
    inference(pattern_uni,[status(thm)],[2228:[bind(A,$thf( sk1 )),bind(B,$thf( sk2 ))]]) ).

thf(17,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(75,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(76,plain,
    ! [A: $i] :
      ( ( A @ relation )
      | ~ ( A @ empty ) ),
    inference(cnf,[status(esa)],[75]) ).

thf(78,plain,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(cnf,[status(esa)],[77]) ).

thf(80,plain,
    empty_set @ relation,
    inference(cnfConj,[status(thm)],[78]) ).

thf(2603,plain,
    ! [B: $i,A: $i] :
      ( ( ( empty_set @ relation )
       != ( B @ relation ) )
      | ( B @ ( A @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[80,93]) ).

thf(2604,plain,
    ! [B: $i,A: $i] :
      ( ( ( empty_set @ relation )
       != ( B @ relation ) )
      | ( B @ ( A @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[2603]) ).

thf(2605,plain,
    ! [A: $i] : ( empty_set @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[2604:[bind(A,$thf( A )),bind(B,$thf( empty_set ))]]) ).

thf(2785,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( sk9 @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation )
       != ( D @ relation ) )
      | ( D @ ( C @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[2641,93]) ).

thf(2786,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( sk9 @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation )
       != ( D @ relation ) )
      | ( D @ ( C @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[2785]) ).

thf(2787,plain,
    ! [C: $i,B: $i,A: $i] : ( sk9 @ ( C @ relation_rng_restriction ) @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[2786:[bind(A,$thf( E )),bind(B,$thf( G )),bind(C,$thf( C )),bind(D,$thf( sk9 @ ( G @ relation_rng_restriction ) @ ( E @ relation_rng_restriction ) ))]]) ).

thf(2797,plain,
    ! [C: $i,B: $i,A: $i] : ( sk9 @ ( C @ relation_rng_restriction ) @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(simp,[status(thm)],[2787]) ).

thf(2491,plain,
    ! [A: $i] :
      ( ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
       != ( A @ ( A @ in ) ) )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[32,2490]) ).

thf(2492,plain,
    ! [A: $i] :
      ( ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
       != ( A @ ( A @ in ) ) )
      | sk4 ),
    inference(simp,[status(thm)],[2491]) ).

thf(2506,plain,
    ! [A: $i] :
      ( ( ( sk3 @ relation_rng )
       != A )
      | ( sk1 != A )
      | sk4 ),
    inference(simp,[status(thm)],[2492]) ).

thf(2513,plain,
    ( ( ( sk3 @ relation_rng )
     != sk1 )
    | sk4 ),
    inference(simp,[status(thm)],[2506]) ).

thf(102,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( B @ ( A @ relation_rng_restriction ) ) )
      | ( B @ ( A @ ( B @ ( C @ sk14 ) ) @ ( A @ ( B @ ( C @ sk13 ) ) @ ordered_pair ) @ in ) )
      | ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation ) ),
    inference(cnfConj,[status(thm)],[96]) ).

thf(106,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ ( B @ ( C @ sk14 ) ) @ ( A @ ( B @ ( C @ sk13 ) ) @ ordered_pair ) @ in ) )
      | ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation )
      | ( C
        = ( B @ ( A @ relation_rng_restriction ) ) ) ),
    inference(lifteq,[status(thm)],[102]) ).

thf(3659,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ ( B @ ( C @ sk13 ) ) @ singleton @ ( A @ ( B @ ( C @ sk14 ) ) @ ( A @ ( B @ ( C @ sk13 ) ) @ unordered_pair ) @ unordered_pair ) @ in ) )
      | ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation )
      | ( C
        = ( B @ ( A @ relation_rng_restriction ) ) ) ),
    inference(rewrite,[status(thm)],[106,53]) ).

thf(195,plain,
    ! [A: $i] :
      ( ( ( A @ singleton @ empty )
       != ( empty_set @ empty ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[50,49]) ).

thf(196,plain,
    ! [A: $i] :
      ( ( A @ singleton @ empty )
     != ( empty_set @ empty ) ),
    inference(simp,[status(thm)],[195]) ).

thf(199,plain,
    ! [A: $i] :
      ( ( A @ singleton )
     != empty_set ),
    inference(simp,[status(thm)],[196]) ).

thf(2691,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( empty_set @ ( A @ relation_rng_restriction ) @ relation )
       != ( C @ relation ) )
      | ( C @ ( B @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[2605,93]) ).

thf(2692,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( empty_set @ ( A @ relation_rng_restriction ) @ relation )
       != ( C @ relation ) )
      | ( C @ ( B @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[2691]) ).

thf(2693,plain,
    ! [B: $i,A: $i] : ( empty_set @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[2692:[bind(A,$thf( D )),bind(B,$thf( B )),bind(C,$thf( empty_set @ ( D @ relation_rng_restriction ) ))]]) ).

thf(2701,plain,
    ! [B: $i,A: $i] : ( empty_set @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(simp,[status(thm)],[2693]) ).

thf(3309,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( empty_set @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation )
       != ( D @ relation ) )
      | ( D @ ( C @ relation_rng_restriction ) @ relation )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[2701,93]) ).

thf(3310,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( empty_set @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation )
       != ( D @ relation ) )
      | ( D @ ( C @ relation_rng_restriction ) @ relation ) ),
    inference(simp,[status(thm)],[3309]) ).

thf(3311,plain,
    ! [C: $i,B: $i,A: $i] : ( empty_set @ ( C @ relation_rng_restriction ) @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(pattern_uni,[status(thm)],[3310:[bind(A,$thf( E )),bind(B,$thf( G )),bind(C,$thf( C )),bind(D,$thf( empty_set @ ( G @ relation_rng_restriction ) @ ( E @ relation_rng_restriction ) ))]]) ).

thf(3344,plain,
    ! [C: $i,B: $i,A: $i] : ( empty_set @ ( C @ relation_rng_restriction ) @ ( B @ relation_rng_restriction ) @ ( A @ relation_rng_restriction ) @ relation ),
    inference(simp,[status(thm)],[3311]) ).

thf(97,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( B @ ( A @ relation_rng_restriction ) ) )
      | ~ ( C @ ( A @ ( B @ ( C @ sk14 ) ) @ ( A @ ( B @ ( C @ sk13 ) ) @ ordered_pair ) @ in ) )
      | ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation ) ),
    inference(cnfConj,[status(thm)],[96]) ).

thf(107,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( C @ ( A @ ( B @ ( C @ sk14 ) ) @ ( A @ ( B @ ( C @ sk13 ) ) @ ordered_pair ) @ in ) )
      | ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation )
      | ( C
        = ( B @ ( A @ relation_rng_restriction ) ) ) ),
    inference(lifteq,[status(thm)],[97]) ).

thf(4436,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( C @ ( A @ ( B @ ( C @ sk13 ) ) @ singleton @ ( A @ ( B @ ( C @ sk14 ) ) @ ( A @ ( B @ ( C @ sk13 ) ) @ unordered_pair ) @ unordered_pair ) @ in ) )
      | ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation )
      | ( C
        = ( B @ ( A @ relation_rng_restriction ) ) ) ),
    inference(rewrite,[status(thm)],[107,53]) ).

thf(2299,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
       != ( empty_set @ ( A @ in ) ) )
      | ~ $true
      | ~ sk4 ),
    inference(paramod_ordered,[status(thm)],[31,2235]) ).

thf(2300,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng @ ( sk1 @ in ) )
       != ( empty_set @ ( A @ in ) ) )
      | ~ sk4 ),
    inference(simp,[status(thm)],[2299]) ).

thf(2313,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng )
       != empty_set )
      | ( sk1 != A )
      | ~ sk4 ),
    inference(simp,[status(thm)],[2300]) ).

thf(2320,plain,
    ( ( ( sk3 @ ( sk2 @ relation_rng_restriction ) @ relation_rng )
     != empty_set )
    | ~ sk4 ),
    inference(simp,[status(thm)],[2313]) ).

thf(715,plain,
    ! [A: $i] :
      ( ( A != sk1 )
      | ( sk2 @ ( empty_set @ in ) )
      | sk4
      | ~ ( A @ empty ) ),
    inference(paramod_ordered,[status(thm)],[59,34]) ).

thf(716,plain,
    ( ( sk2 @ ( empty_set @ in ) )
    | sk4
    | ~ ( sk1 @ empty ) ),
    inference(pattern_uni,[status(thm)],[715:[bind(A,$thf( sk1 ))]]) ).

thf(1138,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk2 @ ( empty_set @ in ) )
       != ( B @ ( A @ in ) ) )
      | ( B @ ( A @ element ) )
      | ~ $true
      | sk4
      | ~ ( sk1 @ empty ) ),
    inference(paramod_ordered,[status(thm)],[716,66]) ).

thf(1139,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk2 @ ( empty_set @ in ) )
       != ( B @ ( A @ in ) ) )
      | ( B @ ( A @ element ) )
      | sk4
      | ~ ( sk1 @ empty ) ),
    inference(simp,[status(thm)],[1138]) ).

thf(1140,plain,
    ( ( sk2 @ ( empty_set @ element ) )
    | sk4
    | ~ ( sk1 @ empty ) ),
    inference(pattern_uni,[status(thm)],[1139:[bind(A,$thf( empty_set )),bind(B,$thf( sk2 ))]]) ).

thf(103,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( B @ ( A @ relation_rng_restriction ) ) )
      | ~ ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( B @ ( A @ ( B @ ( C @ sk12 ) ) @ ( A @ ( B @ ( C @ sk11 ) ) @ ordered_pair ) @ in ) )
      | ~ ( A @ ( A @ ( B @ ( C @ sk12 ) ) @ in ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation ) ),
    inference(cnfConj,[status(thm)],[96]) ).

thf(110,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( B @ ( A @ ( B @ ( C @ sk12 ) ) @ ( A @ ( B @ ( C @ sk11 ) ) @ ordered_pair ) @ in ) )
      | ~ ( A @ ( A @ ( B @ ( C @ sk12 ) ) @ in ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation )
      | ( C
        = ( B @ ( A @ relation_rng_restriction ) ) ) ),
    inference(lifteq,[status(thm)],[103]) ).

thf(6086,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( C @ ( A @ ( B @ sk10 ) ) )
      | ~ ( B @ ( A @ ( B @ ( C @ sk11 ) ) @ singleton @ ( A @ ( B @ ( C @ sk12 ) ) @ ( A @ ( B @ ( C @ sk11 ) ) @ unordered_pair ) @ unordered_pair ) @ in ) )
      | ~ ( A @ ( A @ ( B @ ( C @ sk12 ) ) @ in ) )
      | ~ ( C @ relation )
      | ~ ( B @ relation )
      | ( C
        = ( B @ ( A @ relation_rng_restriction ) ) ) ),
    inference(rewrite,[status(thm)],[110,53]) ).

thf(43,plain,
    sk5 @ empty,
    inference(cnf,[status(esa)],[42]) ).

thf(669,plain,
    ! [A: $i] :
      ( ( ( sk5 @ empty )
       != ( A @ empty ) )
      | ~ $true
      | ( A = empty_set ) ),
    inference(paramod_ordered,[status(thm)],[43,59]) ).

thf(670,plain,
    ! [A: $i] :
      ( ( ( sk5 @ empty )
       != ( A @ empty ) )
      | ( A = empty_set ) ),
    inference(simp,[status(thm)],[669]) ).

thf(671,plain,
    sk5 = empty_set,
    inference(pattern_uni,[status(thm)],[670:[bind(A,$thf( sk5 ))]]) ).

thf(1122,plain,
    ( ( ( sk1 @ empty )
     != ( empty_set @ empty ) )
    | ( sk2 @ ( empty_set @ in ) )
    | sk4
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[50,716]) ).

thf(1123,plain,
    ( ( ( sk1 @ empty )
     != ( empty_set @ empty ) )
    | ( sk2 @ ( empty_set @ in ) )
    | sk4 ),
    inference(simp,[status(thm)],[1122]) ).

thf(1133,plain,
    ( ( sk1 != empty_set )
    | ( sk2 @ ( empty_set @ in ) )
    | sk4 ),
    inference(simp,[status(thm)],[1123]) ).

thf(2493,plain,
    ! [A: $i] :
      ( ( ( sk2 @ ( sk1 @ in ) )
       != ( A @ ( A @ in ) ) )
      | ~ $true
      | sk4 ),
    inference(paramod_ordered,[status(thm)],[34,2490]) ).

thf(2494,plain,
    ! [A: $i] :
      ( ( ( sk2 @ ( sk1 @ in ) )
       != ( A @ ( A @ in ) ) )
      | sk4 ),
    inference(simp,[status(thm)],[2493]) ).

thf(2510,plain,
    ! [A: $i] :
      ( ( sk2 != A )
      | ( sk1 != A )
      | sk4 ),
    inference(simp,[status(thm)],[2494]) ).

thf(2517,plain,
    ( ( sk2 != sk1 )
    | sk4 ),
    inference(simp,[status(thm)],[2510]) ).

thf(119,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ! [B: $i] :
            ( ( ! [C: $i] :
                  ( ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                 => ( B @ ( C @ in ) ) )
              & ! [C: $i] :
                  ( ( B @ ( C @ in ) )
                 => ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) )
           => ( B
              = ( A @ relation_rng ) ) )
        & ! [B: $i] :
            ( ( B
              = ( A @ relation_rng ) )
           => ( ! [C: $i] :
                  ( ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                 => ( B @ ( C @ in ) ) )
              & ! [C: $i] :
                  ( ( B @ ( C @ in ) )
                 => ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) ) ) ) ),
    inference(miniscope,[status(thm)],[118]) ).

thf(120,plain,
    ! [G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( F
          = ( A @ relation_rng ) )
        | ~ ( F @ ( A @ ( F @ sk17 ) @ in ) )
        | ~ ( A @ ( A @ ( F @ sk16 ) @ ( G @ ordered_pair ) @ in ) )
        | ~ ( A @ relation ) )
      & ( ( F
          = ( A @ relation_rng ) )
        | ( A @ ( A @ ( F @ sk17 ) @ ( A @ ( F @ sk18 ) @ ordered_pair ) @ in ) )
        | ~ ( A @ ( A @ ( F @ sk16 ) @ ( G @ ordered_pair ) @ in ) )
        | ~ ( A @ relation ) )
      & ( ( F
          = ( A @ relation_rng ) )
        | ~ ( F @ ( A @ ( F @ sk17 ) @ in ) )
        | ( F @ ( A @ ( F @ sk16 ) @ in ) )
        | ~ ( A @ relation ) )
      & ( ( F
          = ( A @ relation_rng ) )
        | ( A @ ( A @ ( F @ sk17 ) @ ( A @ ( F @ sk18 ) @ ordered_pair ) @ in ) )
        | ( F @ ( A @ ( F @ sk16 ) @ in ) )
        | ~ ( A @ relation ) )
      & ( ( B @ ( D @ in ) )
        | ~ ( A @ ( D @ ( E @ ordered_pair ) @ in ) )
        | ( B
         != ( A @ relation_rng ) )
        | ~ ( A @ relation ) )
      & ( ( A @ ( C @ ( A @ ( B @ ( C @ sk15 ) ) @ ordered_pair ) @ in ) )
        | ~ ( B @ ( C @ in ) )
        | ( B
         != ( A @ relation_rng ) )
        | ~ ( A @ relation ) ) ),
    inference(cnf,[status(esa)],[119]) ).

thf(122,plain,
    ! [B: $i,A: $i] :
      ( ( B
        = ( A @ relation_rng ) )
      | ( A @ ( A @ ( B @ sk17 ) @ ( A @ ( B @ sk18 ) @ ordered_pair ) @ in ) )
      | ( B @ ( A @ ( B @ sk16 ) @ in ) )
      | ~ ( A @ relation ) ),
    inference(cnfConj,[status(thm)],[120]) ).

thf(137,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( A @ ( B @ sk17 ) @ ( A @ ( B @ sk18 ) @ ordered_pair ) @ in ) )
      | ( B @ ( A @ ( B @ sk16 ) @ in ) )
      | ~ ( A @ relation )
      | ( B
        = ( A @ relation_rng ) ) ),
    inference(lifteq,[status(thm)],[122]) ).

thf(138,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( A @ ( B @ sk17 ) @ ( A @ ( B @ sk18 ) @ ordered_pair ) @ in ) )
      | ( B @ ( A @ ( B @ sk16 ) @ in ) )
      | ~ ( A @ relation )
      | ( B
        = ( A @ relation_rng ) ) ),
    inference(simp,[status(thm)],[137]) ).

thf(835,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( A @ ( B @ sk18 ) @ singleton @ ( A @ ( B @ sk17 ) @ ( A @ ( B @ sk18 ) @ unordered_pair ) @ unordered_pair ) @ in ) )
      | ( B @ ( A @ ( B @ sk16 ) @ in ) )
      | ~ ( A @ relation )
      | ( B
        = ( A @ relation_rng ) ) ),
    inference(rewrite,[status(thm)],[138,53]) ).

thf(30,plain,
    ( ~ sk4
    | ~ ( sk3 @ relation_rng @ ( sk1 @ in ) )
    | ~ ( sk2 @ ( sk1 @ in ) ) ),
    inference(cnfConj,[status(thm)],[28]) ).

thf(1162,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) )
       != ( C @ singleton @ ( D @ ( C @ unordered_pair ) @ unordered_pair ) ) )
      | ( ( A @ ( B @ unordered_pair ) )
       != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[37,1159]) ).

thf(1163,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( B @ unordered_pair ) @ ( B @ singleton @ unordered_pair ) )
     != empty_set ),
    inference(pattern_uni,[status(thm)],[1162:[bind(A,$thf( F @ ( G @ unordered_pair ) )),bind(B,$thf( G @ singleton )),bind(C,$thf( G )),bind(D,$thf( F ))]]) ).

thf(1197,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( B @ unordered_pair ) @ ( B @ singleton @ unordered_pair ) )
     != empty_set ),
    inference(simp,[status(thm)],[1163]) ).

thf(2521,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ unordered_pair ) )
       != ( C @ ( D @ unordered_pair ) ) )
      | ( ( A @ ( B @ unordered_pair ) @ ( D @ singleton @ unordered_pair ) )
       != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[37,1197]) ).

thf(2522,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( B @ unordered_pair ) @ ( A @ singleton @ unordered_pair ) )
     != empty_set ),
    inference(pattern_uni,[status(thm)],[2521:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(183,plain,
    ( ~ $true
    | ( ( sk3 @ relation_rng @ ( sk1 @ in ) )
     != ( sk2 @ ( sk1 @ in ) ) )
    | ~ sk4
    | ~ ( sk2 @ ( sk1 @ in ) ) ),
    inference(eqfactor_ordered,[status(thm)],[30]) ).

thf(187,plain,
    ( ( ( sk3 @ relation_rng )
     != sk2 )
    | ( sk1 != sk1 )
    | ~ sk4
    | ~ ( sk2 @ ( sk1 @ in ) ) ),
    inference(simp,[status(thm)],[183]) ).

thf(190,plain,
    ( ( ( sk3 @ relation_rng )
     != sk2 )
    | ~ sk4
    | ~ ( sk2 @ ( sk1 @ in ) ) ),
    inference(simp,[status(thm)],[187]) ).

thf(3494,plain,
    ( ( sk4 != sk4 )
    | ~ $true
    | ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty )
    | ( sk2 != sk1 ) ),
    inference(paramod_ordered,[status(thm)],[2517,2758]) ).

thf(3495,plain,
    ( ( sk4 != sk4 )
    | ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty )
    | ( sk2 != sk1 ) ),
    inference(simp,[status(thm)],[3494]) ).

thf(3496,plain,
    ( ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty )
    | ( sk2 != sk1 ) ),
    inference(pattern_uni,[status(thm)],[3495:[]]) ).

thf(1164,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( A @ ( B @ unordered_pair ) )
       != ( D @ ( C @ unordered_pair ) ) )
      | ( ( C @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) )
       != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[37,1159]) ).

thf(1165,plain,
    ! [B: $i,A: $i] :
      ( ( B @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) )
     != empty_set ),
    inference(pattern_uni,[status(thm)],[1164:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(3487,plain,
    ( ( sk4 != sk4 )
    | ~ $true
    | ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty )
    | ( sk2 != empty_set ) ),
    inference(paramod_ordered,[status(thm)],[2284,2758]) ).

thf(3488,plain,
    ( ( sk4 != sk4 )
    | ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty )
    | ( sk2 != empty_set ) ),
    inference(simp,[status(thm)],[3487]) ).

thf(3489,plain,
    ( ~ ( sk3 @ ( sk2 @ relation_rng_restriction ) @ empty )
    | ( sk2 != empty_set ) ),
    inference(pattern_uni,[status(thm)],[3488:[]]) ).

thf(22637,plain,
    $false,
    inference(e,[status(thm)],[88,2512,1323,77,209,56,3414,42,3281,37,638,46,93,57,29,164,2254,84,3537,61,3505,89,116,74,60,85,2641,38,820,33,92,2758,3600,1159,65,2670,1143,53,2450,2387,5369,41,73,105,2235,1146,2602,149,32,34,2859,44,27,59,118,71,54,144,49,2319,2229,81,2284,76,2605,91,66,2835,2051,2797,80,35,2513,3659,50,67,199,3344,31,2701,2599,1358,4436,2320,1140,6086,87,1949,671,2490,2226,75,716,1161,1133,2517,835,30,51,818,2522,190,3496,1197,1165,94,3489,47,163,62,90,83,2238]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SEU197+1 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.07  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.12/0.39  % Computer : n017.cluster.edu
% 0.12/0.39  % Model    : x86_64 x86_64
% 0.12/0.39  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.39  % Memory   : 8046.5625MB
% 0.12/0.39  % OS       : Linux 6.8.0-71-generic
% 0.12/0.39  % CPULimit : 300
% 0.12/0.39  % WCLimit  : 300
% 0.12/0.39  % DateTime : Sat Sep 26 08:44:03 UTC 2026
% 0.12/0.39  % CPUTime  : 
% 0.12/0.39  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 1.34/1.23  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.90/1.53  % [INFO] 	 Parsing done (295ms). 
% 1.90/1.55  % [INFO] 	 Running in sequential loop mode. 
% 2.91/2.14  % [INFO] 	 eprover registered as external prover. 
% 2.91/2.15  % [INFO] 	 Scanning for conjecture ... 
% 3.38/2.30  % [INFO] 	 Found a conjecture (or negated_conjecture) and 30 axioms. Running axiom selection ... 
% 3.57/2.40  % [INFO] 	 Axiom selection finished. Selected 24 axioms (removed 6 axioms). 
% 3.57/2.46  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 3.57/2.47  % [INFO] 	 Type checking passed. 
% 3.57/2.48  % [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 ... 
% 189.11/55.14  % External prover 'e' found a proof!
% 189.11/55.14  % [INFO] 	 Killing All external provers ... 
% 189.11/55.15  % Time passed: 54551ms (effective reasoning time: 53586ms)
% 189.11/55.15  % 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)>
% 189.11/55.15  % Axioms used in derivation (24): fc1_zfmisc_1, d5_relat_1, cc1_relat_1, t6_boole, fc3_subset_1, fc2_subset_1, t7_boole, rc1_relat_1, fc6_relat_1, rc2_xboole_0, antisymmetry_r2_hidden, fc1_xboole_0, d5_tarski, fc4_relat_1, d12_relat_1, t1_subset, existence_m1_subset_1, commutativity_k2_tarski, dt_k8_relat_1, rc2_relat_1, t8_boole, rc1_xboole_0, t2_subset, fc8_relat_1
% 189.11/55.15  % No. of inferences in proof: 306
% 189.11/55.15  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 54551 ms resp. 53586 ms w/o parsing
% 190.24/55.37  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 190.24/55.38  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------