TSTP Solution File: SET143+3 by Leo-III---1.7.7

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SET143+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n022.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 11:52:46 EDT 2023

% Result   : Theorem 16.15s 4.23s
% Output   : Refutation 16.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   16
% Syntax   : Number of formulae    :  111 (  19 unt;   9 typ;   0 def)
%            Number of atoms       :  305 (  92 equ;   0 cnn)
%            Maximal formula atoms :   10 (   2 avg)
%            Number of connectives : 1080 ( 133   ~; 133   |;  22   &; 758   @)
%                                         (   5 <=>;  29  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   12 (  12   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   12 (   9 usr;   5 con; 0-2 aty)
%            Number of variables   :  249 (   0   ^; 249   !;   0   ?; 249   :)

% Comments : 
%------------------------------------------------------------------------------
thf(intersection_type,type,
    intersection: $i > $i > $i ).

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

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

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

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

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ! [C: $i] :
          ( ( member @ C @ A )
        <=> ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_member_defn) ).

thf(41,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = B )
       => ! [C: $i] :
            ( ( ( member @ C @ A )
             => ( member @ C @ B ) )
            & ( ( member @ C @ B )
             => ( member @ C @ A ) ) ) )
      & ( ! [C: $i] :
            ( ( ( member @ C @ A )
             => ( member @ C @ B ) )
            & ( ( member @ C @ B )
             => ( member @ C @ A ) ) )
       => ( A = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(42,plain,
    ( ! [A: $i,B: $i] :
        ( ( A = B )
       => ( ! [C: $i] :
              ( ( member @ C @ A )
             => ( member @ C @ B ) )
          & ! [C: $i] :
              ( ( member @ C @ B )
             => ( member @ C @ A ) ) ) )
    & ! [A: $i,B: $i] :
        ( ( ! [C: $i] :
              ( ( member @ C @ A )
             => ( member @ C @ B ) )
          & ! [C: $i] :
              ( ( member @ C @ B )
             => ( member @ C @ A ) ) )
       => ( A = B ) ) ),
    inference(miniscope,[status(thm)],[41]) ).

thf(48,plain,
    ! [B: $i,A: $i] :
      ( ( member @ ( sk5 @ B @ A ) @ A )
      | ( member @ ( sk6 @ B @ A ) @ B )
      | ( A = B ) ),
    inference(cnf,[status(esa)],[42]) ).

thf(55,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ( member @ ( sk5 @ B @ A ) @ A )
      | ( member @ ( sk6 @ B @ A ) @ B ) ),
    inference(lifteq,[status(thm)],[48]) ).

thf(56,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ( member @ ( sk5 @ B @ A ) @ A )
      | ( member @ ( sk6 @ B @ A ) @ B ) ),
    inference(simp,[status(thm)],[55]) ).

thf(5,axiom,
    ! [A: $i,B: $i] :
      ( ( intersection @ A @ B )
      = ( intersection @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_intersection) ).

thf(29,plain,
    ! [A: $i,B: $i] :
      ( ( intersection @ A @ B )
      = ( intersection @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(30,plain,
    ! [B: $i,A: $i] :
      ( ( intersection @ A @ B )
      = ( intersection @ B @ A ) ),
    inference(cnf,[status(esa)],[29]) ).

thf(31,plain,
    ! [B: $i,A: $i] :
      ( ( intersection @ A @ B )
      = ( intersection @ B @ A ) ),
    inference(lifteq,[status(thm)],[30]) ).

thf(6,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( member @ C @ A )
         => ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_defn) ).

thf(32,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ A @ B )
       => ! [C: $i] :
            ( ( member @ C @ A )
           => ( member @ C @ B ) ) )
      & ( ! [C: $i] :
            ( ( member @ C @ A )
           => ( member @ C @ B ) )
       => ( subset @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(33,plain,
    ( ! [A: $i,B: $i] :
        ( ( subset @ A @ B )
       => ! [C: $i] :
            ( ( member @ C @ A )
           => ( member @ C @ B ) ) )
    & ! [A: $i,B: $i] :
        ( ! [C: $i] :
            ( ( member @ C @ A )
           => ( member @ C @ B ) )
       => ( subset @ A @ B ) ) ),
    inference(miniscope,[status(thm)],[32]) ).

thf(34,plain,
    ! [B: $i,A: $i] :
      ( ( member @ ( sk4 @ B @ A ) @ A )
      | ( subset @ A @ B ) ),
    inference(cnf,[status(esa)],[33]) ).

thf(37,plain,
    ! [B: $i,A: $i] :
      ( ( member @ ( sk4 @ B @ A ) @ A )
      | ( subset @ A @ B ) ),
    inference(simp,[status(thm)],[34]) ).

thf(3,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ C @ ( intersection @ A @ B ) )
    <=> ( ( member @ C @ A )
        & ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection_defn) ).

thf(12,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ C @ ( intersection @ A @ B ) )
       => ( ( member @ C @ A )
          & ( member @ C @ B ) ) )
      & ( ( ( member @ C @ A )
          & ( member @ C @ B ) )
       => ( member @ C @ ( intersection @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(13,plain,
    ( ! [A: $i,B: $i,C: $i] :
        ( ( member @ C @ ( intersection @ A @ B ) )
       => ( ( member @ C @ A )
          & ( member @ C @ B ) ) )
    & ! [A: $i,B: $i,C: $i] :
        ( ( ( member @ C @ A )
          & ( member @ C @ B ) )
       => ( member @ C @ ( intersection @ A @ B ) ) ) ),
    inference(miniscope,[status(thm)],[12]) ).

thf(16,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ C @ ( intersection @ A @ B ) )
      | ( member @ C @ B ) ),
    inference(cnf,[status(esa)],[13]) ).

thf(239,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ A @ B )
      | ( member @ E @ D )
      | ( ( member @ ( sk4 @ B @ A ) @ A )
       != ( member @ E @ ( intersection @ C @ D ) ) ) ),
    inference(paramod_ordered,[status(thm)],[37,16]) ).

thf(240,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ C ) @ A )
      | ( member @ ( sk4 @ A @ ( intersection @ B @ C ) ) @ C ) ),
    inference(pattern_uni,[status(thm)],[239:[bind(A,$thf( intersection @ H @ I )),bind(B,$thf( F )),bind(C,$thf( H )),bind(D,$thf( I )),bind(E,$thf( sk4 @ F @ ( intersection @ H @ I ) ))]]) ).

thf(241,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ C ) @ A )
      | ( member @ ( sk4 @ A @ ( intersection @ B @ C ) ) @ C ) ),
    inference(simp,[status(thm)],[240]) ).

thf(35,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( sk4 @ B @ A ) @ B )
      | ( subset @ A @ B ) ),
    inference(cnf,[status(esa)],[33]) ).

thf(38,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( sk4 @ B @ A ) @ B )
      | ( subset @ A @ B ) ),
    inference(simp,[status(thm)],[35]) ).

thf(328,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ C ) @ A )
      | ( subset @ D @ E )
      | ( ( member @ ( sk4 @ A @ ( intersection @ B @ C ) ) @ C )
       != ( member @ ( sk4 @ E @ D ) @ E ) ) ),
    inference(paramod_ordered,[status(thm)],[241,38]) ).

thf(329,plain,
    ! [B: $i,A: $i] :
      ( ( subset @ ( intersection @ A @ B ) @ B )
      | ( subset @ ( intersection @ A @ B ) @ B ) ),
    inference(pattern_uni,[status(thm)],[328:[bind(A,$thf( G )),bind(B,$thf( F )),bind(C,$thf( G )),bind(D,$thf( intersection @ F @ G )),bind(E,$thf( G ))]]) ).

thf(362,plain,
    ! [B: $i,A: $i] : ( subset @ ( intersection @ A @ B ) @ B ),
    inference(simp,[status(thm)],[329]) ).

thf(420,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ A ) @ D )
      | ( ( intersection @ A @ B )
       != ( intersection @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[31,362]) ).

thf(421,plain,
    ! [B: $i,A: $i] : ( subset @ ( intersection @ B @ A ) @ B ),
    inference(pattern_uni,[status(thm)],[420:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(442,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ A ) @ D )
      | ( ( intersection @ A @ B )
       != ( intersection @ D @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[31,421]) ).

thf(443,plain,
    ! [B: $i,A: $i] : ( subset @ ( intersection @ B @ A ) @ A ),
    inference(pattern_uni,[status(thm)],[442:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(1,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( intersection @ ( intersection @ A @ B ) @ C )
      = ( intersection @ A @ ( intersection @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_associativity_of_intersection) ).

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

thf(9,plain,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( intersection @ ( intersection @ A @ B ) @ C )
        = ( intersection @ A @ ( intersection @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(10,plain,
    ( ( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 )
   != ( intersection @ sk1 @ ( intersection @ sk2 @ sk3 ) ) ),
    inference(cnf,[status(esa)],[9]) ).

thf(11,plain,
    ( ( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 )
   != ( intersection @ sk1 @ ( intersection @ sk2 @ sk3 ) ) ),
    inference(lifteq,[status(thm)],[10]) ).

thf(61,plain,
    ( ( ( intersection @ sk1 @ sk2 )
     != sk1 )
    | ( ( intersection @ sk2 @ sk3 )
     != sk3 ) ),
    inference(simp,[status(thm)],[11]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_defn) ).

thf(18,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(19,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)],[18]) ).

thf(20,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( A = B ) ),
    inference(cnf,[status(esa)],[19]) ).

thf(23,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A ) ),
    inference(lifteq,[status(thm)],[20]) ).

thf(24,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A ) ),
    inference(simp,[status(thm)],[23]) ).

thf(140,plain,
    ! [B: $i,A: $i] :
      ( ( ( intersection @ B @ A )
       != ( intersection @ sk1 @ ( intersection @ sk2 @ sk3 ) ) )
      | ( ( intersection @ A @ B )
       != ( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 ) ) ),
    inference(paramod_ordered,[status(thm)],[31,11]) ).

thf(141,plain,
    ( ( intersection @ sk3 @ ( intersection @ sk1 @ sk2 ) )
   != ( intersection @ sk1 @ ( intersection @ sk2 @ sk3 ) ) ),
    inference(pattern_uni,[status(thm)],[140:[bind(A,$thf( intersection @ sk1 @ sk2 )),bind(B,$thf( sk3 ))]]) ).

thf(149,plain,
    ( ( sk3 != sk1 )
    | ( ( intersection @ sk2 @ sk3 )
     != ( intersection @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[141]) ).

thf(180,plain,
    ( ( sk3 != sk1 )
    | ( sk2 != sk1 )
    | ( sk3 != sk2 ) ),
    inference(simp,[status(thm)],[149]) ).

thf(258,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( B != sk1 )
      | ( sk2 != sk1 )
      | ( sk3 != sk2 )
      | ( A != sk3 ) ),
    inference(paramod_ordered,[status(thm)],[24,180]) ).

thf(259,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk3 @ A )
      | ~ ( subset @ A @ sk3 )
      | ( A != sk1 )
      | ( sk2 != sk1 )
      | ( sk3 != sk2 ) ),
    inference(pattern_uni,[status(thm)],[258:[bind(A,$thf( sk3 ))]]) ).

thf(270,plain,
    ( ~ ( subset @ sk3 @ sk1 )
    | ~ ( subset @ sk1 @ sk3 )
    | ( sk2 != sk1 )
    | ( sk3 != sk2 ) ),
    inference(simp,[status(thm)],[259]) ).

thf(422,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ A @ B ) @ D )
      | ( ( intersection @ B @ A )
       != ( intersection @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[31,362]) ).

thf(423,plain,
    ! [B: $i,A: $i] : ( subset @ ( intersection @ A @ B ) @ A ),
    inference(pattern_uni,[status(thm)],[422:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( A ))]]) ).

thf(36,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( member @ C @ A )
      | ( member @ C @ B ) ),
    inference(cnf,[status(esa)],[33]) ).

thf(15,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ C @ ( intersection @ A @ B ) )
      | ( member @ C @ A ) ),
    inference(cnf,[status(esa)],[13]) ).

thf(229,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ A @ B )
      | ( member @ E @ C )
      | ( ( member @ ( sk4 @ B @ A ) @ A )
       != ( member @ E @ ( intersection @ C @ D ) ) ) ),
    inference(paramod_ordered,[status(thm)],[37,15]) ).

thf(230,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ C ) @ A )
      | ( member @ ( sk4 @ A @ ( intersection @ B @ C ) ) @ B ) ),
    inference(pattern_uni,[status(thm)],[229:[bind(A,$thf( intersection @ H @ I )),bind(B,$thf( F )),bind(C,$thf( H )),bind(D,$thf( I )),bind(E,$thf( sk4 @ F @ ( intersection @ H @ I ) ))]]) ).

thf(242,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ C ) @ A )
      | ( member @ ( sk4 @ A @ ( intersection @ B @ C ) ) @ B ) ),
    inference(simp,[status(thm)],[230]) ).

thf(221,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ E @ ( intersection @ B @ A ) )
      | ( member @ E @ D )
      | ( ( intersection @ A @ B )
       != ( intersection @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[31,16]) ).

thf(222,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ C @ ( intersection @ B @ A ) )
      | ( member @ C @ B ) ),
    inference(pattern_uni,[status(thm)],[221:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(228,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ C @ ( intersection @ B @ A ) )
      | ( member @ C @ B ) ),
    inference(simp,[status(thm)],[222]) ).

thf(350,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ A ) @ C )
      | ( member @ ( sk4 @ C @ ( intersection @ D @ E ) ) @ E )
      | ( ( intersection @ A @ B )
       != ( intersection @ D @ E ) ) ),
    inference(paramod_ordered,[status(thm)],[31,241]) ).

thf(351,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ A ) @ C )
      | ( member @ ( sk4 @ C @ ( intersection @ A @ B ) ) @ B ) ),
    inference(pattern_uni,[status(thm)],[350:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( C )),bind(D,$thf( A )),bind(E,$thf( B ))]]) ).

thf(1284,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ A ) @ C )
      | ( subset @ D @ E )
      | ( ( member @ ( sk4 @ C @ ( intersection @ A @ B ) ) @ B )
       != ( member @ ( sk4 @ E @ D ) @ E ) ) ),
    inference(paramod_ordered,[status(thm)],[351,38]) ).

thf(1285,plain,
    ! [B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ A ) @ B )
      | ( subset @ ( intersection @ A @ B ) @ B ) ),
    inference(pattern_uni,[status(thm)],[1284:[bind(A,$thf( F )),bind(B,$thf( G )),bind(C,$thf( G )),bind(D,$thf( intersection @ F @ G )),bind(E,$thf( G ))]]) ).

thf(1358,plain,
    ! [B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ A ) @ B )
      | ( subset @ ( intersection @ A @ B ) @ B ) ),
    inference(simp,[status(thm)],[1285]) ).

thf(2486,plain,
    ! [B: $i,A: $i] :
      ( ( subset @ ( intersection @ B @ A ) @ B )
      | ( ( subset @ ( intersection @ A @ B ) @ B )
       != ( subset @ ( intersection @ B @ A ) @ B ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[1358]) ).

thf(2505,plain,
    ! [A: $i] : ( subset @ ( intersection @ A @ A ) @ A ),
    inference(pattern_uni,[status(thm)],[2486:[bind(A,$thf( A )),bind(B,$thf( A ))]]) ).

thf(14,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ C @ A )
      | ~ ( member @ C @ B )
      | ( member @ C @ ( intersection @ A @ B ) ) ),
    inference(cnf,[status(esa)],[13]) ).

thf(17,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ C @ A )
      | ~ ( member @ C @ B )
      | ( member @ C @ ( intersection @ A @ B ) ) ),
    inference(simp,[status(thm)],[14]) ).

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

thf(39,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(260,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( sk3 != sk1 )
      | ( B != sk1 )
      | ( sk3 != sk2 )
      | ( A != sk2 ) ),
    inference(paramod_ordered,[status(thm)],[24,180]) ).

thf(261,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk2 @ A )
      | ~ ( subset @ A @ sk2 )
      | ( sk3 != sk1 )
      | ( A != sk1 )
      | ( sk3 != sk2 ) ),
    inference(pattern_uni,[status(thm)],[260:[bind(A,$thf( sk2 ))]]) ).

thf(271,plain,
    ( ~ ( subset @ sk2 @ sk1 )
    | ~ ( subset @ sk1 @ sk2 )
    | ( sk3 != sk1 )
    | ( sk3 != sk2 ) ),
    inference(simp,[status(thm)],[261]) ).

thf(46,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( sk5 @ B @ A ) @ B )
      | ~ ( member @ ( sk6 @ B @ A ) @ A )
      | ( A = B ) ),
    inference(cnf,[status(esa)],[42]) ).

thf(49,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( member @ ( sk5 @ B @ A ) @ B )
      | ~ ( member @ ( sk6 @ B @ A ) @ A ) ),
    inference(lifteq,[status(thm)],[46]) ).

thf(50,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( member @ ( sk5 @ B @ A ) @ B )
      | ~ ( member @ ( sk6 @ B @ A ) @ A ) ),
    inference(simp,[status(thm)],[49]) ).

thf(578,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ E @ C )
      | ( member @ E @ D )
      | ( ( subset @ ( intersection @ B @ A ) @ B )
       != ( subset @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[421,36]) ).

thf(579,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( intersection @ B @ C ) )
      | ( member @ A @ B ) ),
    inference(pattern_uni,[status(thm)],[578:[bind(A,$thf( G )),bind(B,$thf( F )),bind(C,$thf( intersection @ F @ G )),bind(D,$thf( F ))]]) ).

thf(613,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( intersection @ B @ C ) )
      | ( member @ A @ B ) ),
    inference(simp,[status(thm)],[579]) ).

thf(608,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ E @ C )
      | ( member @ E @ D )
      | ( ( subset @ ( intersection @ A @ B ) @ B )
       != ( subset @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[362,36]) ).

thf(609,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( intersection @ B @ C ) )
      | ( member @ A @ C ) ),
    inference(pattern_uni,[status(thm)],[608:[bind(A,$thf( F )),bind(B,$thf( G )),bind(C,$thf( intersection @ F @ G )),bind(D,$thf( G ))]]) ).

thf(612,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( intersection @ B @ C ) )
      | ( member @ A @ C ) ),
    inference(simp,[status(thm)],[609]) ).

thf(21,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( subset @ A @ B ) ),
    inference(cnf,[status(esa)],[19]) ).

thf(25,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( subset @ A @ B ) ),
    inference(lifteq,[status(thm)],[21]) ).

thf(26,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(simp,[status(thm)],[25]) ).

thf(262,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( sk3 != sk1 )
      | ( sk2 != sk1 )
      | ( B != sk2 )
      | ( A != sk3 ) ),
    inference(paramod_ordered,[status(thm)],[24,180]) ).

thf(263,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk3 @ A )
      | ~ ( subset @ A @ sk3 )
      | ( sk3 != sk1 )
      | ( sk2 != sk1 )
      | ( A != sk2 ) ),
    inference(pattern_uni,[status(thm)],[262:[bind(A,$thf( sk3 ))]]) ).

thf(272,plain,
    ( ~ ( subset @ sk3 @ sk2 )
    | ~ ( subset @ sk2 @ sk3 )
    | ( sk3 != sk1 )
    | ( sk2 != sk1 ) ),
    inference(simp,[status(thm)],[263]) ).

thf(209,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ E @ ( intersection @ B @ A ) )
      | ( member @ E @ C )
      | ( ( intersection @ A @ B )
       != ( intersection @ C @ D ) ) ),
    inference(paramod_ordered,[status(thm)],[31,15]) ).

thf(210,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ C @ ( intersection @ B @ A ) )
      | ( member @ C @ A ) ),
    inference(pattern_uni,[status(thm)],[209:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( A )),bind(D,$thf( B ))]]) ).

thf(214,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ C @ ( intersection @ B @ A ) )
      | ( member @ C @ A ) ),
    inference(simp,[status(thm)],[210]) ).

thf(74,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( B
       != ( intersection @ sk1 @ ( intersection @ sk2 @ sk3 ) ) )
      | ( A
       != ( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 ) ) ),
    inference(paramod_ordered,[status(thm)],[24,11]) ).

thf(75,plain,
    ! [A: $i] :
      ( ~ ( subset @ ( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 ) @ A )
      | ~ ( subset @ A @ ( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 ) )
      | ( A
       != ( intersection @ sk1 @ ( intersection @ sk2 @ sk3 ) ) ) ),
    inference(pattern_uni,[status(thm)],[74:[bind(A,$thf( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 )),bind(B,$thf( B ))]]) ).

thf(119,plain,
    ( ~ ( subset @ ( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 ) @ ( intersection @ sk1 @ ( intersection @ sk2 @ sk3 ) ) )
    | ~ ( subset @ ( intersection @ sk1 @ ( intersection @ sk2 @ sk3 ) ) @ ( intersection @ ( intersection @ sk1 @ sk2 ) @ sk3 ) ) ),
    inference(simp,[status(thm)],[75]) ).

thf(43,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( sk5 @ B @ A ) @ B )
      | ( member @ ( sk6 @ B @ A ) @ B )
      | ( A = B ) ),
    inference(cnf,[status(esa)],[42]) ).

thf(57,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( member @ ( sk5 @ B @ A ) @ B )
      | ( member @ ( sk6 @ B @ A ) @ B ) ),
    inference(lifteq,[status(thm)],[43]) ).

thf(58,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( member @ ( sk5 @ B @ A ) @ B )
      | ( member @ ( sk6 @ B @ A ) @ B ) ),
    inference(simp,[status(thm)],[57]) ).

thf(181,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subset @ A @ B )
      | ~ ( subset @ B @ A )
      | ( B != sk1 )
      | ( ( intersection @ sk2 @ sk3 )
       != ( intersection @ sk1 @ sk2 ) )
      | ( A != sk3 ) ),
    inference(paramod_ordered,[status(thm)],[24,149]) ).

thf(182,plain,
    ! [A: $i] :
      ( ~ ( subset @ sk3 @ A )
      | ~ ( subset @ A @ sk3 )
      | ( A != sk1 )
      | ( ( intersection @ sk2 @ sk3 )
       != ( intersection @ sk1 @ sk2 ) ) ),
    inference(pattern_uni,[status(thm)],[181:[bind(A,$thf( sk3 ))]]) ).

thf(200,plain,
    ( ~ ( subset @ sk3 @ sk1 )
    | ~ ( subset @ sk1 @ sk3 )
    | ( ( intersection @ sk2 @ sk3 )
     != ( intersection @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[182]) ).

thf(3754,plain,
    $false,
    inference(cvc4,[status(thm)],[56,443,61,270,38,423,12,241,18,36,242,24,37,421,228,29,9,141,2505,41,32,180,17,149,362,39,271,50,16,31,1358,613,11,612,26,351,272,214,119,58,15,200]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SET143+3 : TPTP v8.1.2. Released v2.2.0.
% 0.12/0.16  % Command  : run_Leo-III %s %d
% 0.16/0.38  % Computer : n022.cluster.edu
% 0.16/0.38  % Model    : x86_64 x86_64
% 0.16/0.38  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.38  % Memory   : 8042.1875MB
% 0.16/0.38  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.38  % CPULimit : 300
% 0.16/0.38  % WCLimit  : 300
% 0.16/0.38  % DateTime : Thu May 18 19:14:48 EDT 2023
% 0.16/0.38  % CPUTime  : 
% 0.90/0.89  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.21/1.03  % [INFO] 	 Parsing done (139ms). 
% 1.21/1.04  % [INFO] 	 Running in sequential loop mode. 
% 1.57/1.29  % [INFO] 	 eprover registered as external prover. 
% 1.57/1.29  % [INFO] 	 cvc4 registered as external prover. 
% 1.57/1.29  % [INFO] 	 Scanning for conjecture ... 
% 1.72/1.35  % [INFO] 	 Found a conjecture and 6 axioms. Running axiom selection ... 
% 1.84/1.37  % [INFO] 	 Axiom selection finished. Selected 6 axioms (removed 0 axioms). 
% 1.84/1.38  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 1.84/1.39  % [INFO] 	 Type checking passed. 
% 1.84/1.39  % [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 ... 
% 16.15/4.22  % External prover 'cvc4' found a proof!
% 16.15/4.23  % [INFO] 	 Killing All external provers ... 
% 16.15/4.23  % Time passed: 3702ms (effective reasoning time: 3183ms)
% 16.15/4.23  % 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)>
% 16.15/4.23  % Axioms used in derivation (6): reflexivity_of_subset, equal_member_defn, commutativity_of_intersection, equal_defn, subset_defn, intersection_defn
% 16.15/4.23  % No. of inferences in proof: 102
% 16.15/4.23  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 3702 ms resp. 3183 ms w/o parsing
% 16.26/4.27  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 16.26/4.27  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------