TSTP Solution File: SET943+1 by Leo-III---1.7.7

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SET943+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n027.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri May 19 11:54:54 EDT 2023

% Result   : Theorem 109.28s 20.11s
% Output   : Refutation 109.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   34
% Syntax   : Number of formulae    :  226 (  58 unt;  18 typ;   0 def)
%            Number of atoms       :  542 ( 153 equ;   0 cnn)
%            Maximal formula atoms :   14 (   2 avg)
%            Number of connectives : 2142 ( 239   ~; 214   |;  32   &;1603   @)
%                                         (   6 <=>;  48  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   30 (  30   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   21 (  18 usr;   6 con; 0-3 aty)
%            Number of variables   :  512 (   0   ^; 498   !;  14   ?; 512   :)

% Comments : 
%------------------------------------------------------------------------------
thf(union_type,type,
    union: $i > $i ).

thf(set_union2_type,type,
    set_union2: $i > $i > $i ).

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

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

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

thf(sk1_type,type,
    sk1: $i ).

thf(sk2_type,type,
    sk2: $i ).

thf(sk3_type,type,
    sk3: $i ).

thf(sk4_type,type,
    sk4: $i ).

thf(sk5_type,type,
    sk5: $i > $i > $i ).

thf(sk6_type,type,
    sk6: $i > $i > $i > $o ).

thf(sk7_type,type,
    sk7: $i > $i > $i > $i ).

thf(sk8_type,type,
    sk8: $i > $i > $i > $i ).

thf(sk9_type,type,
    sk9: $i > $i > $i > $i ).

thf(sk10_type,type,
    sk10: $i > $i > $o ).

thf(sk11_type,type,
    sk11: $i > $i > $i ).

thf(sk12_type,type,
    sk12: $i > $i > $i ).

thf(sk13_type,type,
    sk13: $i > $i > $i ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',idempotence_k2_xboole_0) ).

thf(48,plain,
    ! [A: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(49,plain,
    ! [A: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    inference(cnf,[status(esa)],[48]) ).

thf(50,plain,
    ! [A: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    inference(lifteq,[status(thm)],[49]) ).

thf(1,conjecture,
    ! [A: $i,B: $i] :
      ( ( union @ ( set_union2 @ A @ B ) )
      = ( set_union2 @ ( union @ A ) @ ( union @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t96_zfmisc_1) ).

thf(2,negated_conjecture,
    ~ ! [A: $i,B: $i] :
        ( ( union @ ( set_union2 @ A @ B ) )
        = ( set_union2 @ ( union @ A ) @ ( union @ B ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(18,plain,
    ~ ! [A: $i,B: $i] :
        ( ( union @ ( set_union2 @ A @ B ) )
        = ( set_union2 @ ( union @ A ) @ ( union @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(19,plain,
    ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
   != ( set_union2 @ ( union @ sk1 ) @ ( union @ sk2 ) ) ),
    inference(cnf,[status(esa)],[18]) ).

thf(20,plain,
    ( ( set_union2 @ ( union @ sk1 ) @ ( union @ sk2 ) )
   != ( union @ ( set_union2 @ sk1 @ sk2 ) ) ),
    inference(lifteq,[status(thm)],[19]) ).

thf(172,plain,
    ! [A: $i] :
      ( ( A
       != ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
      | ( ( set_union2 @ A @ A )
       != ( set_union2 @ ( union @ sk1 ) @ ( union @ sk2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[50,20]) ).

thf(178,plain,
    ( ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
     != ( union @ sk1 ) )
    | ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
     != ( union @ sk2 ) ) ),
    inference(simp,[status(thm)],[172]) ).

thf(324,plain,
    ( ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
     != ( union @ sk1 ) )
    | ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
     != ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
    | ( ( union @ sk2 )
     != ( union @ sk1 ) ) ),
    inference(eqfactor_ordered,[status(thm)],[178]) ).

thf(347,plain,
    ( ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
     != ( union @ sk1 ) )
    | ( ( union @ sk2 )
     != ( union @ sk1 ) ) ),
    inference(simp,[status(thm)],[324]) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( union @ A ) @ ( union @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t95_zfmisc_1) ).

thf(110,plain,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( union @ A ) @ ( union @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(10,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            | ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_xboole_0) ).

thf(51,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C
          = ( set_union2 @ A @ B ) )
       => ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( in @ D @ A )
                | ( in @ D @ B ) ) )
            & ( ( ( in @ D @ A )
                | ( in @ D @ B ) )
             => ( in @ D @ C ) ) ) )
      & ( ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( in @ D @ A )
                | ( in @ D @ B ) ) )
            & ( ( ( in @ D @ A )
                | ( in @ D @ B ) )
             => ( in @ D @ C ) ) )
       => ( C
          = ( set_union2 @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(52,plain,
    ( ! [A: $i,B: $i,C: $i] :
        ( ( C
          = ( set_union2 @ A @ B ) )
       => ( ! [D: $i] :
              ( ( in @ D @ C )
             => ( ( in @ D @ A )
                | ( in @ D @ B ) ) )
          & ! [D: $i] :
              ( ( ( in @ D @ A )
                | ( in @ D @ B ) )
             => ( in @ D @ C ) ) ) )
    & ! [A: $i,B: $i,C: $i] :
        ( ( ! [D: $i] :
              ( ( in @ D @ C )
             => ( ( in @ D @ A )
                | ( in @ D @ B ) ) )
          & ! [D: $i] :
              ( ( ( in @ D @ A )
                | ( in @ D @ B ) )
             => ( in @ D @ C ) ) )
       => ( C
          = ( set_union2 @ A @ B ) ) ) ),
    inference(miniscope,[status(thm)],[51]) ).

thf(55,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( C
       != ( set_union2 @ A @ B ) )
      | ~ ( in @ D @ B )
      | ( in @ D @ C ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(73,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( C
       != ( set_union2 @ A @ B ) )
      | ~ ( in @ D @ B )
      | ( in @ D @ C ) ),
    inference(lifteq,[status(thm)],[55]) ).

thf(74,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( in @ C @ B )
      | ( in @ C @ ( set_union2 @ A @ B ) ) ),
    inference(simp,[status(thm)],[73]) ).

thf(17,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

thf(115,plain,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(116,plain,
    ! [B: $i,A: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    inference(cnf,[status(esa)],[115]) ).

thf(117,plain,
    ! [B: $i,A: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    inference(lifteq,[status(thm)],[116]) ).

thf(3,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(21,plain,
    ? [A: $i] :
      ~ ( empty @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(22,plain,
    ~ ! [A: $i] : ( empty @ A ),
    inference(miniscope,[status(thm)],[21]) ).

thf(23,plain,
    ~ ( empty @ sk3 ),
    inference(cnf,[status(esa)],[22]) ).

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

thf(35,plain,
    ? [A: $i] : ( empty @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(36,plain,
    empty @ sk4,
    inference(cnf,[status(esa)],[35]) ).

thf(118,plain,
    ( ( empty @ sk4 )
   != ( empty @ sk3 ) ),
    inference(paramod_ordered,[status(thm)],[36,23]) ).

thf(119,plain,
    sk4 != sk3,
    inference(simp,[status(thm)],[118]) ).

thf(56,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( sk6 @ A @ B @ C )
      | ( in @ ( sk8 @ C @ B @ A ) @ A )
      | ( in @ ( sk8 @ C @ B @ A ) @ B )
      | ( C
        = ( set_union2 @ A @ B ) ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(61,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ( sk6 @ A @ B @ C )
      | ( in @ ( sk8 @ C @ B @ A ) @ A )
      | ( in @ ( sk8 @ C @ B @ A ) @ B ) ),
    inference(lifteq,[status(thm)],[56]) ).

thf(62,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ( sk6 @ A @ B @ C )
      | ( in @ ( sk8 @ C @ B @ A ) @ A )
      | ( in @ ( sk8 @ C @ B @ A ) @ B ) ),
    inference(simp,[status(thm)],[61]) ).

thf(654,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( sk6 @ A @ B @ C )
      | ( in @ ( sk8 @ C @ B @ A ) @ A )
      | ( in @ ( sk8 @ C @ B @ A ) @ B )
      | ( C
       != ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ ( union @ sk1 ) @ ( union @ sk2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[62,20]) ).

thf(655,plain,
    ! [A: $i] :
      ( ( sk6 @ ( union @ sk1 ) @ ( union @ sk2 ) @ A )
      | ( in @ ( sk8 @ A @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk1 ) )
      | ( in @ ( sk8 @ A @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk2 ) )
      | ( A
       != ( union @ ( set_union2 @ sk1 @ sk2 ) ) ) ),
    inference(pattern_uni,[status(thm)],[654:[bind(A,$thf( union @ sk1 )),bind(B,$thf( union @ sk2 )),bind(C,$thf( C ))]]) ).

thf(779,plain,
    ( ( sk6 @ ( union @ sk1 ) @ ( union @ sk2 ) @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
    | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk1 ) )
    | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk2 ) ) ),
    inference(simp,[status(thm)],[655]) ).

thf(12,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( union @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ? [D: $i] :
              ( ( in @ C @ D )
              & ( in @ D @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_tarski) ).

thf(80,plain,
    ! [A: $i,B: $i] :
      ( ( ( B
          = ( union @ A ) )
       => ! [C: $i] :
            ( ( ( in @ C @ B )
             => ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) )
            & ( ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) )
             => ( in @ C @ B ) ) ) )
      & ( ! [C: $i] :
            ( ( ( in @ C @ B )
             => ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) )
            & ( ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) )
             => ( in @ C @ B ) ) )
       => ( B
          = ( union @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(81,plain,
    ( ! [A: $i,B: $i] :
        ( ( B
          = ( union @ A ) )
       => ( ! [C: $i] :
              ( ( in @ C @ B )
             => ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) )
          & ! [C: $i] :
              ( ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) )
             => ( in @ C @ B ) ) ) )
    & ! [A: $i,B: $i] :
        ( ( ! [C: $i] :
              ( ( in @ C @ B )
             => ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) )
          & ! [C: $i] :
              ( ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) )
             => ( in @ C @ B ) ) )
       => ( B
          = ( union @ A ) ) ) ),
    inference(miniscope,[status(thm)],[80]) ).

thf(88,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B
       != ( union @ A ) )
      | ~ ( in @ C @ B )
      | ( in @ ( sk9 @ C @ B @ A ) @ A ) ),
    inference(cnf,[status(esa)],[81]) ).

thf(90,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B
       != ( union @ A ) )
      | ~ ( in @ C @ B )
      | ( in @ ( sk9 @ C @ B @ A ) @ A ) ),
    inference(lifteq,[status(thm)],[88]) ).

thf(91,plain,
    ! [B: $i,A: $i] :
      ( ~ ( in @ B @ ( union @ A ) )
      | ( in @ ( sk9 @ B @ ( union @ A ) @ A ) @ A ) ),
    inference(simp,[status(thm)],[90]) ).

thf(5841,plain,
    ! [B: $i,A: $i] :
      ( ( sk6 @ ( union @ sk1 ) @ ( union @ sk2 ) @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
      | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk1 ) )
      | ( in @ ( sk9 @ B @ ( union @ A ) @ A ) @ A )
      | ( ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk2 ) )
       != ( in @ B @ ( union @ A ) ) ) ),
    inference(paramod_ordered,[status(thm)],[779,91]) ).

thf(5842,plain,
    ( ( sk6 @ ( union @ sk1 ) @ ( union @ sk2 ) @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
    | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk1 ) )
    | ( in @ ( sk9 @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk2 ) @ sk2 ) @ sk2 ) ),
    inference(pattern_uni,[status(thm)],[5841:[bind(A,$thf( sk2 )),bind(B,$thf( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ))]]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(24,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = B )
       => ( ( subset @ A @ B )
          & ( subset @ B @ A ) ) )
      & ( ( ( subset @ A @ B )
          & ( subset @ B @ A ) )
       => ( A = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(6,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(37,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(8,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(46,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(84,plain,
    ! [B: $i,A: $i] :
      ( ( sk10 @ A @ B )
      | ( in @ ( sk12 @ B @ A ) @ ( sk13 @ B @ A ) )
      | ( B
        = ( union @ A ) ) ),
    inference(cnf,[status(esa)],[81]) ).

thf(92,plain,
    ! [B: $i,A: $i] :
      ( ( B
        = ( union @ A ) )
      | ( sk10 @ A @ B )
      | ( in @ ( sk12 @ B @ A ) @ ( sk13 @ B @ A ) ) ),
    inference(lifteq,[status(thm)],[84]) ).

thf(93,plain,
    ! [B: $i,A: $i] :
      ( ( B
        = ( union @ A ) )
      | ( sk10 @ A @ B )
      | ( in @ ( sk12 @ B @ A ) @ ( sk13 @ B @ A ) ) ),
    inference(simp,[status(thm)],[92]) ).

thf(284,plain,
    ( ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
     != ( union @ sk1 ) )
    | ( ( set_union2 @ sk1 @ sk2 )
     != sk2 ) ),
    inference(simp,[status(thm)],[178]) ).

thf(57,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( C
       != ( set_union2 @ A @ B ) )
      | ~ ( in @ D @ A )
      | ( in @ D @ C ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(63,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( C
       != ( set_union2 @ A @ B ) )
      | ~ ( in @ D @ A )
      | ( in @ D @ C ) ),
    inference(lifteq,[status(thm)],[57]) ).

thf(64,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( in @ C @ A )
      | ( in @ C @ ( set_union2 @ A @ B ) ) ),
    inference(simp,[status(thm)],[63]) ).

thf(38,plain,
    ! [B: $i,A: $i] :
      ( ~ ( in @ A @ B )
      | ~ ( in @ B @ A ) ),
    inference(cnf,[status(esa)],[37]) ).

thf(120,plain,
    ! [B: $i,A: $i] :
      ( ~ ( in @ A @ B )
      | ( ( in @ B @ A )
       != ( in @ A @ B ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[38]) ).

thf(121,plain,
    ! [A: $i] :
      ~ ( in @ A @ A ),
    inference(pattern_uni,[status(thm)],[120:[bind(A,$thf( B ))]]) ).

thf(122,plain,
    ! [A: $i] :
      ~ ( in @ A @ A ),
    inference(simp,[status(thm)],[121]) ).

thf(1091,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ C @ A )
      | ( ( in @ C @ ( set_union2 @ A @ B ) )
       != ( in @ D @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[64,122]) ).

thf(1092,plain,
    ! [B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ A @ B ) @ A ),
    inference(pattern_uni,[status(thm)],[1091:[bind(A,$thf( E )),bind(B,$thf( F )),bind(C,$thf( set_union2 @ E @ F )),bind(D,$thf( set_union2 @ E @ F ))]]) ).

thf(1115,plain,
    ! [B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ A @ B ) @ A ),
    inference(simp,[status(thm)],[1092]) ).

thf(1142,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ C @ A )
      | ( ( in @ C @ ( set_union2 @ A @ B ) )
       != ( in @ ( set_union2 @ D @ E ) @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[64,1115]) ).

thf(1143,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ B @ C ) @ A ) @ B ),
    inference(pattern_uni,[status(thm)],[1142:[bind(A,$thf( H )),bind(B,$thf( I )),bind(C,$thf( set_union2 @ ( set_union2 @ H @ I ) @ G )),bind(D,$thf( set_union2 @ H @ I )),bind(E,$thf( G ))]]) ).

thf(1170,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ B @ C ) @ A ) @ B ),
    inference(simp,[status(thm)],[1143]) ).

thf(1529,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ ( set_union2 @ B @ A ) @ C ) @ D )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ D @ E ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1170]) ).

thf(1530,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ B @ A ) @ C ) @ A ),
    inference(pattern_uni,[status(thm)],[1529:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( C )),bind(D,$thf( A )),bind(E,$thf( B ))]]) ).

thf(2098,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ ( set_union2 @ B @ A ) @ E ) @ C )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ D @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1530]) ).

thf(2099,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ B @ A ) @ C ) @ B ),
    inference(pattern_uni,[status(thm)],[2098:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(2178,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ B @ A ) @ C ) @ B ),
    inference(simp,[status(thm)],[2099]) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_tarski) ).

thf(39,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ A @ B )
       => ! [C: $i] :
            ( ( in @ C @ A )
           => ( in @ C @ B ) ) )
      & ( ! [C: $i] :
            ( ( in @ C @ A )
           => ( in @ C @ B ) )
       => ( subset @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(40,plain,
    ( ! [A: $i,B: $i] :
        ( ( subset @ A @ B )
       => ! [C: $i] :
            ( ( in @ C @ A )
           => ( in @ C @ B ) ) )
    & ! [A: $i,B: $i] :
        ( ! [C: $i] :
            ( ( in @ C @ A )
           => ( in @ C @ B ) )
       => ( subset @ A @ B ) ) ),
    inference(miniscope,[status(thm)],[39]) ).

thf(41,plain,
    ! [B: $i,A: $i] :
      ( ( in @ ( sk5 @ B @ A ) @ A )
      | ( subset @ A @ B ) ),
    inference(cnf,[status(esa)],[40]) ).

thf(44,plain,
    ! [B: $i,A: $i] :
      ( ( in @ ( sk5 @ B @ A ) @ A )
      | ( subset @ A @ B ) ),
    inference(simp,[status(thm)],[41]) ).

thf(1097,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ A @ B )
      | ( in @ E @ ( set_union2 @ C @ D ) )
      | ( ( in @ ( sk5 @ B @ A ) @ A )
       != ( in @ E @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[44,64]) ).

thf(1098,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ C @ B )
      | ( in @ ( sk5 @ B @ C ) @ ( set_union2 @ C @ A ) ) ),
    inference(pattern_uni,[status(thm)],[1097:[bind(A,$thf( G )),bind(B,$thf( F )),bind(C,$thf( G )),bind(D,$thf( D )),bind(E,$thf( sk5 @ F @ G ))]]) ).

thf(1118,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ C @ B )
      | ( in @ ( sk5 @ B @ C ) @ ( set_union2 @ C @ A ) ) ),
    inference(simp,[status(thm)],[1098]) ).

thf(1360,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ E @ D )
      | ( in @ ( sk5 @ D @ E ) @ ( set_union2 @ B @ A ) )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ E @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1118]) ).

thf(1361,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ A @ C )
      | ( in @ ( sk5 @ C @ A ) @ ( set_union2 @ B @ A ) ) ),
    inference(pattern_uni,[status(thm)],[1360:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( D )),bind(E,$thf( A ))]]) ).

thf(1412,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ A @ C )
      | ( in @ ( sk5 @ C @ A ) @ ( set_union2 @ B @ A ) ) ),
    inference(simp,[status(thm)],[1361]) ).

thf(1665,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ C @ E )
      | ( in @ ( sk5 @ E @ C ) @ ( set_union2 @ A @ B ) )
      | ( ( set_union2 @ B @ A )
       != ( set_union2 @ D @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1412]) ).

thf(1666,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ A @ C )
      | ( in @ ( sk5 @ C @ A ) @ ( set_union2 @ A @ B ) ) ),
    inference(pattern_uni,[status(thm)],[1665:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(1714,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ A @ C )
      | ( in @ ( sk5 @ C @ A ) @ ( set_union2 @ A @ B ) ) ),
    inference(simp,[status(thm)],[1666]) ).

thf(1132,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ B @ A ) @ C )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1115]) ).

thf(1133,plain,
    ! [B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ B @ A ) @ A ),
    inference(pattern_uni,[status(thm)],[1132:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(1183,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ C @ A )
      | ( ( in @ C @ ( set_union2 @ A @ B ) )
       != ( in @ ( set_union2 @ E @ D ) @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[64,1133]) ).

thf(1184,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ A @ ( set_union2 @ B @ C ) ) @ B ),
    inference(pattern_uni,[status(thm)],[1183:[bind(A,$thf( H )),bind(B,$thf( I )),bind(C,$thf( set_union2 @ F @ ( set_union2 @ H @ I ) )),bind(D,$thf( set_union2 @ H @ I )),bind(E,$thf( F ))]]) ).

thf(1203,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ A @ ( set_union2 @ B @ C ) ) @ B ),
    inference(simp,[status(thm)],[1184]) ).

thf(1597,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ C @ ( set_union2 @ B @ A ) ) @ D )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ D @ E ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1203]) ).

thf(1598,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ C @ ( set_union2 @ B @ A ) ) @ A ),
    inference(pattern_uni,[status(thm)],[1597:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( C )),bind(D,$thf( A )),bind(E,$thf( B ))]]) ).

thf(2801,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ B @ A ) @ C )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ E @ ( set_union2 @ D @ C ) ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1598]) ).

thf(2802,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ B @ C ) @ A ) @ C ),
    inference(pattern_uni,[status(thm)],[2801:[bind(A,$thf( A )),bind(B,$thf( set_union2 @ F @ G )),bind(C,$thf( G )),bind(D,$thf( F )),bind(E,$thf( A ))]]) ).

thf(2893,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ B @ C ) @ A ) @ C ),
    inference(simp,[status(thm)],[2802]) ).

thf(25,plain,
    ( ! [A: $i,B: $i] :
        ( ( A = B )
       => ( ( subset @ A @ B )
          & ( subset @ B @ A ) ) )
    & ! [A: $i,B: $i] :
        ( ( ( subset @ A @ B )
          & ( subset @ B @ A ) )
       => ( A = B ) ) ),
    inference(miniscope,[status(thm)],[24]) ).

thf(26,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( A = B ) ),
    inference(cnf,[status(esa)],[25]) ).

thf(29,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A ) ),
    inference(lifteq,[status(thm)],[26]) ).

thf(30,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A ) ),
    inference(simp,[status(thm)],[29]) ).

thf(350,plain,
    ( ( ( set_union2 @ sk1 @ sk2 )
     != sk1 )
    | ( sk2 != sk1 ) ),
    inference(simp,[status(thm)],[324]) ).

thf(378,plain,
    ! [A: $i] :
      ( ( A != sk1 )
      | ( sk2 != sk1 )
      | ( ( set_union2 @ A @ A )
       != ( set_union2 @ sk1 @ sk2 ) ) ),
    inference(paramod_ordered,[status(thm)],[50,350]) ).

thf(396,plain,
    ( ( sk2 != sk1 )
    | ( sk1 != sk1 )
    | ( sk2 != sk1 ) ),
    inference(simp,[status(thm)],[378]) ).

thf(402,plain,
    sk2 != sk1,
    inference(simp,[status(thm)],[396]) ).

thf(421,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( B != sk1 )
      | ( A != sk2 ) ),
    inference(paramod_ordered,[status(thm)],[30,402]) ).

thf(422,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk2 @ A )
      | ~ ( subset @ A @ sk2 )
      | ( A != sk1 ) ),
    inference(pattern_uni,[status(thm)],[421:[bind(A,$thf( sk2 ))]]) ).

thf(425,plain,
    ( ~ ( subset @ sk2 @ sk1 )
    | ~ ( subset @ sk1 @ sk2 ) ),
    inference(simp,[status(thm)],[422]) ).

thf(481,plain,
    ( ~ ( subset @ sk1 @ sk2 )
    | ( ( subset @ sk2 @ sk1 )
     != ( subset @ sk1 @ sk2 ) )
    | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[425]) ).

thf(485,plain,
    ( ~ ( subset @ sk1 @ sk2 )
    | ( ( subset @ sk2 @ sk1 )
     != ( subset @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[481]) ).

thf(13,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ B ) )
     => ( subset @ ( set_union2 @ A @ C ) @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t8_xboole_1) ).

thf(106,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ B ) )
     => ( subset @ ( set_union2 @ A @ C ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(348,plain,
    ( ( ( set_union2 @ sk1 @ sk2 )
     != sk1 )
    | ( ( union @ sk2 )
     != ( union @ sk1 ) ) ),
    inference(simp,[status(thm)],[324]) ).

thf(59,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( sk7 @ C @ B @ A ) @ B )
      | ~ ( sk6 @ A @ B @ C )
      | ( C
        = ( set_union2 @ A @ B ) ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(69,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ~ ( in @ ( sk7 @ C @ B @ A ) @ B )
      | ~ ( sk6 @ A @ B @ C ) ),
    inference(lifteq,[status(thm)],[59]) ).

thf(70,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ~ ( in @ ( sk7 @ C @ B @ A ) @ B )
      | ~ ( sk6 @ A @ B @ C ) ),
    inference(simp,[status(thm)],[69]) ).

thf(1173,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ B @ A ) @ C )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ D @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1133]) ).

thf(1174,plain,
    ! [B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ B @ A ) @ B ),
    inference(pattern_uni,[status(thm)],[1173:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(1601,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ C @ ( set_union2 @ A @ B ) ) @ D )
      | ( ( set_union2 @ B @ A )
       != ( set_union2 @ D @ E ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1203]) ).

thf(1602,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ C @ ( set_union2 @ A @ B ) ) @ B ),
    inference(pattern_uni,[status(thm)],[1601:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( C )),bind(D,$thf( B )),bind(E,$thf( A ))]]) ).

thf(285,plain,
    ( ( ( set_union2 @ sk1 @ sk2 )
     != sk1 )
    | ( ( set_union2 @ sk1 @ sk2 )
     != sk2 ) ),
    inference(simp,[status(thm)],[178]) ).

thf(1533,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ ( set_union2 @ A @ B ) @ C ) @ D )
      | ( ( set_union2 @ B @ A )
       != ( set_union2 @ D @ E ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1170]) ).

thf(1534,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ A @ B ) @ C ) @ B ),
    inference(pattern_uni,[status(thm)],[1533:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( C )),bind(D,$thf( B )),bind(E,$thf( A ))]]) ).

thf(4155,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ A @ B )
      | ( in @ E @ ( set_union2 @ C @ D ) )
      | ( ( in @ ( sk5 @ B @ A ) @ A )
       != ( in @ E @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[44,74]) ).

thf(4156,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ C @ B )
      | ( in @ ( sk5 @ B @ C ) @ ( set_union2 @ A @ C ) ) ),
    inference(pattern_uni,[status(thm)],[4155:[bind(A,$thf( G )),bind(B,$thf( F )),bind(C,$thf( C )),bind(D,$thf( G )),bind(E,$thf( sk5 @ F @ G ))]]) ).

thf(4248,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ C @ B )
      | ( in @ ( sk5 @ B @ C ) @ ( set_union2 @ A @ C ) ) ),
    inference(simp,[status(thm)],[4156]) ).

thf(14,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_xboole_1) ).

thf(108,plain,
    ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(109,plain,
    ! [B: $i,A: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    inference(cnf,[status(esa)],[108]) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc3_xboole_0) ).

thf(77,plain,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(1362,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ E @ D )
      | ( in @ ( sk5 @ D @ E ) @ ( set_union2 @ A @ B ) )
      | ( ( set_union2 @ B @ A )
       != ( set_union2 @ E @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1118]) ).

thf(1363,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ B @ C )
      | ( in @ ( sk5 @ C @ B ) @ ( set_union2 @ A @ B ) ) ),
    inference(pattern_uni,[status(thm)],[1362:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( D )),bind(E,$thf( B ))]]) ).

thf(1414,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ B @ C )
      | ( in @ ( sk5 @ C @ B ) @ ( set_union2 @ A @ B ) ) ),
    inference(simp,[status(thm)],[1363]) ).

thf(151,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( B != sk3 )
      | ( A != sk4 ) ),
    inference(paramod_ordered,[status(thm)],[30,119]) ).

thf(152,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk4 @ A )
      | ~ ( subset @ A @ sk4 )
      | ( A != sk3 ) ),
    inference(pattern_uni,[status(thm)],[151:[bind(A,$thf( sk4 ))]]) ).

thf(167,plain,
    ( ~ ( subset @ sk4 @ sk3 )
    | ~ ( subset @ sk3 @ sk4 ) ),
    inference(simp,[status(thm)],[152]) ).

thf(243,plain,
    ( ~ ( subset @ sk3 @ sk4 )
    | ( ( subset @ sk4 @ sk3 )
     != ( subset @ sk3 @ sk4 ) )
    | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[167]) ).

thf(244,plain,
    ( ~ ( subset @ sk3 @ sk4 )
    | ( ( subset @ sk4 @ sk3 )
     != ( subset @ sk3 @ sk4 ) ) ),
    inference(simp,[status(thm)],[243]) ).

thf(1134,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ A @ B ) @ C )
      | ( ( set_union2 @ B @ A )
       != ( set_union2 @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1115]) ).

thf(1135,plain,
    ! [B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ A @ B ) @ B ),
    inference(pattern_uni,[status(thm)],[1134:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(27,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( subset @ A @ B ) ),
    inference(cnf,[status(esa)],[25]) ).

thf(31,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( subset @ A @ B ) ),
    inference(lifteq,[status(thm)],[27]) ).

thf(32,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(simp,[status(thm)],[31]) ).

thf(42,plain,
    ! [B: $i,A: $i] :
      ( ~ ( in @ ( sk5 @ B @ A ) @ B )
      | ( subset @ A @ B ) ),
    inference(cnf,[status(esa)],[40]) ).

thf(45,plain,
    ! [B: $i,A: $i] :
      ( ~ ( in @ ( sk5 @ B @ A ) @ B )
      | ( subset @ A @ B ) ),
    inference(simp,[status(thm)],[42]) ).

thf(58,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( in @ ( sk7 @ C @ B @ A ) @ C )
      | ~ ( sk6 @ A @ B @ C )
      | ( C
        = ( set_union2 @ A @ B ) ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(75,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ( in @ ( sk7 @ C @ B @ A ) @ C )
      | ~ ( sk6 @ A @ B @ C ) ),
    inference(lifteq,[status(thm)],[58]) ).

thf(76,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ( in @ ( sk7 @ C @ B @ A ) @ C )
      | ~ ( sk6 @ A @ B @ C ) ),
    inference(simp,[status(thm)],[75]) ).

thf(2803,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ E @ ( set_union2 @ B @ A ) ) @ C )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ D @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1598]) ).

thf(2804,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ C @ ( set_union2 @ B @ A ) ) @ B ),
    inference(pattern_uni,[status(thm)],[2803:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(2896,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ C @ ( set_union2 @ B @ A ) ) @ B ),
    inference(simp,[status(thm)],[2804]) ).

thf(2102,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ ( set_union2 @ A @ B ) @ E ) @ C )
      | ( ( set_union2 @ B @ A )
       != ( set_union2 @ D @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1530]) ).

thf(2103,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ A @ B ) @ C ) @ A ),
    inference(pattern_uni,[status(thm)],[2102:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(2180,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ ( set_union2 @ A @ B ) @ C ) @ A ),
    inference(simp,[status(thm)],[2103]) ).

thf(198,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ C @ ( set_union2 @ B @ A ) )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[117,109]) ).

thf(199,plain,
    ! [B: $i,A: $i] : ( subset @ A @ ( set_union2 @ B @ A ) ),
    inference(pattern_uni,[status(thm)],[198:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(463,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ sk1 @ sk2 )
      | ( ( subset @ A @ ( set_union2 @ B @ A ) )
       != ( subset @ sk2 @ sk1 ) ) ),
    inference(paramod_ordered,[status(thm)],[199,425]) ).

thf(487,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ sk1 @ sk2 )
      | ( A != sk2 )
      | ( ( set_union2 @ B @ A )
       != sk1 ) ),
    inference(simp,[status(thm)],[463]) ).

thf(494,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk1 @ sk2 )
      | ( ( set_union2 @ A @ sk2 )
       != sk1 ) ),
    inference(simp,[status(thm)],[487]) ).

thf(82,plain,
    ! [B: $i,A: $i] :
      ( ( sk10 @ A @ B )
      | ( in @ ( sk13 @ B @ A ) @ A )
      | ( B
        = ( union @ A ) ) ),
    inference(cnf,[status(esa)],[81]) ).

thf(102,plain,
    ! [B: $i,A: $i] :
      ( ( B
        = ( union @ A ) )
      | ( sk10 @ A @ B )
      | ( in @ ( sk13 @ B @ A ) @ A ) ),
    inference(lifteq,[status(thm)],[82]) ).

thf(103,plain,
    ! [B: $i,A: $i] :
      ( ( B
        = ( union @ A ) )
      | ( sk10 @ A @ B )
      | ( in @ ( sk13 @ B @ A ) @ A ) ),
    inference(simp,[status(thm)],[102]) ).

thf(60,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( C
       != ( set_union2 @ A @ B ) )
      | ~ ( in @ D @ C )
      | ( in @ D @ A )
      | ( in @ D @ B ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(65,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( C
       != ( set_union2 @ A @ B ) )
      | ~ ( in @ D @ C )
      | ( in @ D @ A )
      | ( in @ D @ B ) ),
    inference(lifteq,[status(thm)],[60]) ).

thf(66,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( in @ C @ ( set_union2 @ A @ B ) )
      | ( in @ C @ A )
      | ( in @ C @ B ) ),
    inference(simp,[status(thm)],[65]) ).

thf(460,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ sk2 @ sk1 )
      | ( ( subset @ A @ ( set_union2 @ A @ B ) )
       != ( subset @ sk1 @ sk2 ) ) ),
    inference(paramod_ordered,[status(thm)],[109,425]) ).

thf(482,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ sk2 @ sk1 )
      | ( A != sk1 )
      | ( ( set_union2 @ A @ B )
       != sk2 ) ),
    inference(simp,[status(thm)],[460]) ).

thf(490,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk2 @ sk1 )
      | ( ( set_union2 @ sk1 @ A )
       != sk2 ) ),
    inference(simp,[status(thm)],[482]) ).

thf(16,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc2_xboole_0) ).

thf(112,plain,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(2807,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ E @ ( set_union2 @ A @ B ) ) @ C )
      | ( ( set_union2 @ B @ A )
       != ( set_union2 @ D @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1598]) ).

thf(2808,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ C @ ( set_union2 @ A @ B ) ) @ A ),
    inference(pattern_uni,[status(thm)],[2807:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(2899,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ C @ ( set_union2 @ A @ B ) ) @ A ),
    inference(simp,[status(thm)],[2808]) ).

thf(89,plain,
    ! [B: $i,A: $i] :
      ( ( in @ ( sk11 @ B @ A ) @ B )
      | ~ ( sk10 @ A @ B )
      | ( B
        = ( union @ A ) ) ),
    inference(cnf,[status(esa)],[81]) ).

thf(94,plain,
    ! [B: $i,A: $i] :
      ( ( B
        = ( union @ A ) )
      | ( in @ ( sk11 @ B @ A ) @ B )
      | ~ ( sk10 @ A @ B ) ),
    inference(lifteq,[status(thm)],[89]) ).

thf(95,plain,
    ! [B: $i,A: $i] :
      ( ( B
        = ( union @ A ) )
      | ( in @ ( sk11 @ B @ A ) @ B )
      | ~ ( sk10 @ A @ B ) ),
    inference(simp,[status(thm)],[94]) ).

thf(54,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( sk7 @ C @ B @ A ) @ A )
      | ~ ( sk6 @ A @ B @ C )
      | ( C
        = ( set_union2 @ A @ B ) ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(71,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ~ ( in @ ( sk7 @ C @ B @ A ) @ A )
      | ~ ( sk6 @ A @ B @ C ) ),
    inference(lifteq,[status(thm)],[54]) ).

thf(72,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ~ ( in @ ( sk7 @ C @ B @ A ) @ A )
      | ~ ( sk6 @ A @ B @ C ) ),
    inference(simp,[status(thm)],[71]) ).

thf(43,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( in @ C @ A )
      | ( in @ C @ B ) ),
    inference(cnf,[status(esa)],[40]) ).

thf(464,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ sk2 @ sk1 )
      | ( ( subset @ A @ ( set_union2 @ B @ A ) )
       != ( subset @ sk1 @ sk2 ) ) ),
    inference(paramod_ordered,[status(thm)],[199,425]) ).

thf(488,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ sk2 @ sk1 )
      | ( A != sk1 )
      | ( ( set_union2 @ B @ A )
       != sk2 ) ),
    inference(simp,[status(thm)],[464]) ).

thf(495,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk2 @ sk1 )
      | ( ( set_union2 @ A @ sk1 )
       != sk2 ) ),
    inference(simp,[status(thm)],[488]) ).

thf(78,plain,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ~ ? [B: $i] : ( empty @ ( set_union2 @ B @ A ) ) ),
    inference(miniscope,[status(thm)],[77]) ).

thf(79,plain,
    ! [B: $i,A: $i] :
      ( ( empty @ A )
      | ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    inference(cnf,[status(esa)],[78]) ).

thf(5437,plain,
    ( ( ( union @ sk2 )
     != ( union @ sk1 ) )
    | ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
     != ( union @ sk2 ) )
    | ( ( union @ sk1 )
     != ( union @ sk1 ) ) ),
    inference(eqfactor_ordered,[status(thm)],[347]) ).

thf(5441,plain,
    ( ( ( union @ sk2 )
     != ( union @ sk1 ) )
    | ( ( set_union2 @ sk1 @ sk2 )
     != sk2 ) ),
    inference(simp,[status(thm)],[5437]) ).

thf(283,plain,
    ( ( ( set_union2 @ sk1 @ sk2 )
     != sk1 )
    | ( ( union @ ( set_union2 @ sk1 @ sk2 ) )
     != ( union @ sk2 ) ) ),
    inference(simp,[status(thm)],[178]) ).

thf(1081,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( sk6 @ ( union @ sk1 ) @ ( union @ sk2 ) @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
      | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk1 ) )
      | ( in @ C @ ( set_union2 @ A @ B ) )
      | ( ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk2 ) )
       != ( in @ C @ A ) ) ),
    inference(paramod_ordered,[status(thm)],[779,64]) ).

thf(1082,plain,
    ! [A: $i] :
      ( ( sk6 @ ( union @ sk1 ) @ ( union @ sk2 ) @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
      | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk1 ) )
      | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( set_union2 @ ( union @ sk2 ) @ A ) ) ),
    inference(pattern_uni,[status(thm)],[1081:[bind(A,$thf( union @ sk2 )),bind(B,$thf( B )),bind(C,$thf( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ))]]) ).

thf(1129,plain,
    ! [A: $i] :
      ( ( sk6 @ ( union @ sk1 ) @ ( union @ sk2 ) @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) )
      | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( union @ sk1 ) )
      | ( in @ ( sk8 @ ( union @ ( set_union2 @ sk1 @ sk2 ) ) @ ( union @ sk2 ) @ ( union @ sk1 ) ) @ ( set_union2 @ ( union @ sk2 ) @ A ) ) ),
    inference(simp,[status(thm)],[1082]) ).

thf(1663,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ C @ E )
      | ( in @ ( sk5 @ E @ C ) @ ( set_union2 @ B @ A ) )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ D @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1412]) ).

thf(1664,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ B @ C )
      | ( in @ ( sk5 @ C @ B ) @ ( set_union2 @ B @ A ) ) ),
    inference(pattern_uni,[status(thm)],[1663:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(1713,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ B @ C )
      | ( in @ ( sk5 @ C @ B ) @ ( set_union2 @ B @ A ) ) ),
    inference(simp,[status(thm)],[1664]) ).

thf(53,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( sk6 @ A @ B @ C )
      | ~ ( in @ ( sk8 @ C @ B @ A ) @ C )
      | ( C
        = ( set_union2 @ A @ B ) ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(67,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ( sk6 @ A @ B @ C )
      | ~ ( in @ ( sk8 @ C @ B @ A ) @ C ) ),
    inference(lifteq,[status(thm)],[53]) ).

thf(68,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
      | ( sk6 @ A @ B @ C )
      | ~ ( in @ ( sk8 @ C @ B @ A ) @ C ) ),
    inference(simp,[status(thm)],[67]) ).

thf(459,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ sk1 @ sk2 )
      | ( ( subset @ A @ ( set_union2 @ A @ B ) )
       != ( subset @ sk2 @ sk1 ) ) ),
    inference(paramod_ordered,[status(thm)],[109,425]) ).

thf(489,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ sk1 @ sk2 )
      | ( A != sk2 )
      | ( ( set_union2 @ A @ B )
       != sk1 ) ),
    inference(simp,[status(thm)],[459]) ).

thf(496,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk1 @ sk2 )
      | ( ( set_union2 @ sk2 @ A )
       != sk1 ) ),
    inference(simp,[status(thm)],[489]) ).

thf(2096,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( in @ ( set_union2 @ B @ A ) @ C )
      | ( ( set_union2 @ A @ B )
       != ( set_union2 @ ( set_union2 @ D @ C ) @ E ) ) ),
    inference(paramod_ordered,[status(thm)],[117,1530]) ).

thf(2097,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ A @ ( set_union2 @ B @ C ) ) @ C ),
    inference(pattern_uni,[status(thm)],[2096:[bind(A,$thf( set_union2 @ F @ G )),bind(B,$thf( B )),bind(C,$thf( G )),bind(D,$thf( F )),bind(E,$thf( B ))]]) ).

thf(2177,plain,
    ! [C: $i,B: $i,A: $i] :
      ~ ( in @ ( set_union2 @ A @ ( set_union2 @ B @ C ) ) @ C ),
    inference(simp,[status(thm)],[2097]) ).

thf(68259,plain,
    $false,
    inference(cvc4,[status(thm)],[347,110,74,117,23,119,115,5842,24,37,20,46,93,284,1115,2178,1714,2893,485,106,348,70,21,1174,38,1602,285,1534,4248,1118,109,77,1414,1530,779,244,1170,1135,425,32,45,64,402,44,76,39,2896,2180,494,103,91,66,108,80,167,35,490,1203,112,2899,48,1598,18,95,50,199,72,43,495,1412,1133,36,30,51,79,5441,283,1129,62,178,1713,68,122,496,2177]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SET943+1 : TPTP v8.1.2. Released v3.2.0.
% 0.06/0.14  % Command  : run_Leo-III %s %d
% 0.14/0.35  % Computer : n027.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Thu May 18 19:25:06 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.91/0.82  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.23/0.95  % [INFO] 	 Parsing done (120ms). 
% 1.23/0.95  % [INFO] 	 Running in sequential loop mode. 
% 1.58/1.15  % [INFO] 	 eprover registered as external prover. 
% 1.58/1.15  % [INFO] 	 cvc4 registered as external prover. 
% 1.68/1.15  % [INFO] 	 Scanning for conjecture ... 
% 1.68/1.21  % [INFO] 	 Found a conjecture and 15 axioms. Running axiom selection ... 
% 1.87/1.24  % [INFO] 	 Axiom selection finished. Selected 15 axioms (removed 0 axioms). 
% 1.87/1.27  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 1.87/1.27  % [INFO] 	 Type checking passed. 
% 1.87/1.27  % [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 ... 
% 109.25/20.10  % External prover 'cvc4' found a proof!
% 109.28/20.10  % [INFO] 	 Killing All external provers ... 
% 109.28/20.10  % Time passed: 19592ms (effective reasoning time: 19141ms)
% 109.28/20.10  % 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)>
% 109.28/20.11  % Axioms used in derivation (15): t95_zfmisc_1, fc2_xboole_0, commutativity_k2_xboole_0, rc1_xboole_0, rc2_xboole_0, antisymmetry_r2_hidden, fc3_xboole_0, d2_xboole_0, d4_tarski, t8_xboole_1, d3_tarski, reflexivity_r1_tarski, idempotence_k2_xboole_0, d10_xboole_0, t7_xboole_1
% 109.28/20.11  % No. of inferences in proof: 208
% 109.28/20.11  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 19592 ms resp. 19141 ms w/o parsing
% 109.28/20.19  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 109.28/20.19  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------