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FindProof---0.1.THM-Prf.s

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%------------------------------------------------------------------------------
% File     : FindProof---0.1
% Problem  : SET945+1 : TPTP v9.3.1. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300

% Computer : n013.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 : Fri Sep 25 02:44:21 PM UTC 2026

% Result   : Theorem 39.04s 5.79s
% Output   : Proof 39.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   30
%            Number of leaves      :   12
% Syntax   : Number of formulae    :  112 (  87 unt;   0 def)
%            Number of atoms       :  205 (  96 equ)
%            Maximal formula atoms :   14 (   1 avg)
%            Number of connectives :  162 (  69   ~;  51   |;  33   &)
%                                         (   4 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   2 avg)
%            Maximal term depth    :    7 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   15 (  15 usr;   5 con; 0-4 aty)
%            Number of variables   :  198 (  24 sgn  53   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ! [A,B,C] :
      ( C = set_intersection2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( in(D,B)
            & in(D,A) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_xboole_0) ).

fof(f2_nnf,plain,
    ! [A,B,C] :
      ( ( ? [D] :
            ( ( in(D,B)
              & in(D,A)
              & ~ in(D,C) )
            | ( ( ~ in(D,B)
                | ~ in(D,A) )
              & in(D,C) ) )
        | C = set_intersection2(A,B) )
      & ( ! [D] :
            ( ( ~ in(D,B)
              | ~ in(D,A)
              | in(D,C) )
            & ( ( in(D,B)
                & in(D,A) )
              | ~ in(D,C) ) )
        | C != set_intersection2(A,B) ) ),
    inference(nnf_transformation,[status(thm)],[f2]) ).

fof(f2_sk,plain,
    ! [C,A,B,D] :
      ( ( ( in(sk0(A,B,C),B)
          & in(sk0(A,B,C),A)
          & ~ in(sk0(A,B,C),C) )
        | ( ( ~ in(sk0(A,B,C),B)
            | ~ in(sk0(A,B,C),A) )
          & in(sk0(A,B,C),C) )
        | C = set_intersection2(A,B) )
      & ( ( ( ~ in(D,B)
            | ~ in(D,A)
            | in(D,C) )
          & ( ( in(D,B)
              & in(D,A) )
            | ~ in(D,C) ) )
        | C != set_intersection2(A,B) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk0])],[f2_nnf]) ).

cnf(c4,plain,
    ( ~ in(X3,X1)
    | ~ in(X3,X0)
    | in(X3,X2)
    | X2 != set_intersection2(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(t33,plain,
    ifeq(X1,set_intersection2(X2,X3),ifeq(in(X4,X2),true,ifeq(in(X4,X3),true,in(X4,X1),true),true),true) = true,
    inference(equality_encoding,[status(esa)],[c4]) ).

cnf(t43,plain,
    ifeq(X1,set_intersection2(X2,X3),ifeq(in(X4,X2),true,ifeq(in(X4,X3),true,in(X4,X1),true),true),true) = true,
    inference(orient,[status(thm)],[t33]) ).

cnf(t11,plain,
    ifeq(X1,X1,X2,X3) = X2,
    introduced(definition) ).

cnf(t38,plain,
    ifeq(X1,X1,X2,X3) = X2,
    inference(orient,[status(thm)],[t11]) ).

cnf(t44,plain,
    true = ifeq(in(X1,X2),true,ifeq(in(X1,X3),true,in(X1,set_intersection2(X2,X3)),true),true),
    inference(cp,[status(thm)],[t43,t38]) ).

cnf(t173,plain,
    ifeq(in(X1,X2),true,ifeq(in(X1,X3),true,in(X1,set_intersection2(X2,X3)),true),true) = true,
    inference(orient,[status(thm)],[t44]) ).

cnf(c2,plain,
    ( in(X3,X0)
    | ~ in(X3,X2)
    | X2 != set_intersection2(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(t23,plain,
    ifeq(X1,set_intersection2(X2,X3),ifeq(in(X4,X1),true,in(X4,X2),true),true) = true,
    inference(equality_encoding,[status(esa)],[c2]) ).

cnf(t49,plain,
    ifeq(X1,set_intersection2(X2,X3),ifeq(in(X4,X1),true,in(X4,X2),true),true) = true,
    inference(orient,[status(thm)],[t23]) ).

cnf(t50,plain,
    true = ifeq(in(X1,set_intersection2(X2,X3)),true,in(X1,X2),true),
    inference(cp,[status(thm)],[t49,t38]) ).

cnf(t406,plain,
    ifeq(in(X1,set_intersection2(X2,X3)),true,in(X1,X2),true) = true,
    inference(orient,[status(thm)],[t50]) ).

fof(f8,axiom,
    ! [A,B] :
      ( ~ ( disjoint(A,B)
          & ? [C] : in(C,set_intersection2(A,B)) )
      & ~ ( ! [C] : ~ in(C,set_intersection2(A,B))
          & ~ disjoint(A,B) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_0) ).

fof(f8_nnf,plain,
    ! [A,B] :
      ( ( ~ disjoint(A,B)
        | ! [C] : ~ in(C,set_intersection2(A,B)) )
      & ( ? [C] : in(C,set_intersection2(A,B))
        | disjoint(A,B) ) ),
    inference(nnf_transformation,[status(thm)],[f8]) ).

fof(f8_sk,plain,
    ! [A,B,C] :
      ( ( ~ disjoint(A,B)
        | ~ in(C,set_intersection2(A,B)) )
      & ( in(sk6(A,B),set_intersection2(A,B))
        | disjoint(A,B) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk6])],[f8_nnf]) ).

cnf(c24,plain,
    ( in(sk6(X0,X1),set_intersection2(X0,X1))
    | disjoint(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f8_sk]) ).

cnf(t20,plain,
    or(disjoint(X1,X2),in(sk6(X1,X2),set_intersection2(X1,X2))) = true,
    inference(equality_encoding,[status(esa)],[c24]) ).

cnf(t70,plain,
    or(disjoint(X1,X2),in(sk6(X1,X2),set_intersection2(X1,X2))) = true,
    inference(orient,[status(thm)],[t20]) ).

fof(f9,conjecture,
    ! [A,B] :
      ( ! [C] :
          ( in(C,A)
         => disjoint(C,B) )
     => disjoint(union(A),B) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t98_zfmisc_1) ).

fof(f9_neg,negated_conjecture,
    ~ ! [A,B] :
        ( ! [C] :
            ( in(C,A)
           => disjoint(C,B) )
       => disjoint(union(A),B) ),
    inference(negated_conjecture,[status(cth)],[f9]) ).

fof(f9_nnf,plain,
    ? [A,B] :
      ( ~ disjoint(union(A),B)
      & ! [C] :
          ( disjoint(C,B)
          | ~ in(C,A) ) ),
    inference(nnf_transformation,[status(thm)],[f9_neg]) ).

fof(f9_sk,plain,
    ! [C] :
      ( ~ disjoint(union(sk7),sk8)
      & ( disjoint(C,sk8)
        | ~ in(C,sk7) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk7,sk8])],[f9_nnf]) ).

cnf(c27,plain,
    ~ disjoint(union(sk7),sk8),
    inference(cnf_transformation,[status(esa)],[f9_sk]) ).

cnf(t10,plain,
    disjoint(union(sk7),sk8) = false,
    inference(equality_encoding,[status(esa)],[c27]) ).

cnf(t102,plain,
    disjoint(union(sk7),sk8) = false,
    inference(orient,[status(thm)],[t10]) ).

cnf(t106,plain,
    true = or(false,in(sk6(union(sk7),sk8),set_intersection2(union(sk7),sk8))),
    inference(cp,[status(thm)],[t70,t102]) ).

cnf(t7,plain,
    or(false,X1) = X1,
    introduced(definition) ).

cnf(t41,plain,
    or(false,X1) = X1,
    inference(orient,[status(thm)],[t7]) ).

cnf(t7939,plain,
    true = in(sk6(union(sk7),sk8),set_intersection2(union(sk7),sk8)),
    inference(step,[status(thm)],[t106,t41]) ).

fof(f1,axiom,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

fof(f1_nnf,plain,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A),
    inference(nnf_transformation,[status(thm)],[f1]) ).

fof(f1_sk,plain,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A),
    inference(skolemisation,[status(esa)],[f1_nnf]) ).

cnf(c1,plain,
    set_intersection2(X0,X1) = set_intersection2(X1,X0),
    inference(cnf_transformation,[status(esa)],[f1_sk]) ).

cnf(t12,plain,
    set_intersection2(X1,X2) = set_intersection2(X2,X1),
    inference(equality_encoding,[status(esa)],[c1]) ).

cnf(t92,plain,
    set_intersection2(X1,X2) = set_intersection2(X2,X1),
    inference(orient,[status(thm)],[t12]) ).

cnf(t7940,plain,
    true = in(sk6(union(sk7),sk8),set_intersection2(sk8,union(sk7))),
    inference(step,[status(thm)],[t7939,t92]) ).

cnf(t123,plain,
    in(sk6(union(sk7),sk8),set_intersection2(sk8,union(sk7))) = true,
    inference(orient,[status(thm)],[t7940]) ).

cnf(t407,plain,
    true = ifeq(true,true,in(sk6(union(sk7),sk8),sk8),true),
    inference(cp,[status(thm)],[t406,t123]) ).

cnf(t7972,plain,
    true = in(sk6(union(sk7),sk8),sk8),
    inference(step,[status(thm)],[t407,t38]) ).

cnf(t421,plain,
    in(sk6(union(sk7),sk8),sk8) = true,
    inference(orient,[status(thm)],[t7972]) ).

cnf(t436,plain,
    true = ifeq(true,true,ifeq(in(sk6(union(sk7),sk8),X1),true,in(sk6(union(sk7),sk8),set_intersection2(sk8,X1)),true),true),
    inference(cp,[status(thm)],[t173,t421]) ).

cnf(t8715,plain,
    true = ifeq(in(sk6(union(sk7),sk8),X1),true,in(sk6(union(sk7),sk8),set_intersection2(sk8,X1)),true),
    inference(step,[status(thm)],[t436,t38]) ).

cnf(t7656,plain,
    ifeq(in(sk6(union(sk7),sk8),X1),true,in(sk6(union(sk7),sk8),set_intersection2(sk8,X1)),true) = true,
    inference(orient,[status(thm)],[t8715]) ).

fof(f3,axiom,
    ! [A,B] :
      ( B = union(A)
    <=> ! [C] :
          ( in(C,B)
        <=> ? [D] :
              ( in(D,A)
              & in(C,D) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_tarski) ).

fof(f3_nnf,plain,
    ! [A,B] :
      ( ( ? [C] :
            ( ( ? [D] :
                  ( in(D,A)
                  & in(C,D) )
              & ~ in(C,B) )
            | ( ! [D] :
                  ( ~ in(D,A)
                  | ~ in(C,D) )
              & in(C,B) ) )
        | B = union(A) )
      & ( ! [C] :
            ( ( ! [D] :
                  ( ~ in(D,A)
                  | ~ in(C,D) )
              | in(C,B) )
            & ( ? [D] :
                  ( in(D,A)
                  & in(C,D) )
              | ~ in(C,B) ) )
        | B != union(A) ) ),
    inference(nnf_transformation,[status(thm)],[f3]) ).

fof(f3_sk,plain,
    ! [B,A,C,D] :
      ( ( ( in(sk3(A,B),A)
          & in(sk2(A,B),sk3(A,B))
          & ~ in(sk2(A,B),B) )
        | ( ( ~ in(D,A)
            | ~ in(sk2(A,B),D) )
          & in(sk2(A,B),B) )
        | B = union(A) )
      & ( ( ( ~ in(D,A)
            | ~ in(C,D)
            | in(C,B) )
          & ( ( in(sk1(A,B,C),A)
              & in(C,sk1(A,B,C)) )
            | ~ in(C,B) ) )
        | B != union(A) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk1,sk2,sk3])],[f3_nnf]) ).

cnf(c11,plain,
    ( in(X2,sk1(X0,X1,X2))
    | ~ in(X2,X1)
    | X1 != union(X0) ),
    inference(cnf_transformation,[status(esa)],[f3_sk]) ).

cnf(t27,plain,
    ifeq(X1,union(X2),ifeq(in(X3,X1),true,in(X3,sk1(X2,X1,X3)),true),true) = true,
    inference(equality_encoding,[status(esa)],[c11]) ).

cnf(t54,plain,
    ifeq(X1,union(X2),ifeq(in(X3,X1),true,in(X3,sk1(X2,X1,X3)),true),true) = true,
    inference(orient,[status(thm)],[t27]) ).

cnf(t55,plain,
    true = ifeq(in(X1,union(X2)),true,in(X1,sk1(X2,union(X2),X1)),true),
    inference(cp,[status(thm)],[t54,t38]) ).

cnf(t891,plain,
    ifeq(in(X1,union(X2)),true,in(X1,sk1(X2,union(X2),X1)),true) = true,
    inference(orient,[status(thm)],[t55]) ).

cnf(c3,plain,
    ( in(X3,X1)
    | ~ in(X3,X2)
    | X2 != set_intersection2(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f2_sk]) ).

cnf(t24,plain,
    ifeq(X1,set_intersection2(X2,X3),ifeq(in(X4,X1),true,in(X4,X3),true),true) = true,
    inference(equality_encoding,[status(esa)],[c3]) ).

cnf(t46,plain,
    ifeq(X1,set_intersection2(X2,X3),ifeq(in(X4,X1),true,in(X4,X3),true),true) = true,
    inference(orient,[status(thm)],[t24]) ).

cnf(t47,plain,
    true = ifeq(in(X1,set_intersection2(X2,X3)),true,in(X1,X3),true),
    inference(cp,[status(thm)],[t46,t38]) ).

cnf(t233,plain,
    ifeq(in(X1,set_intersection2(X2,X3)),true,in(X1,X3),true) = true,
    inference(orient,[status(thm)],[t47]) ).

cnf(t234,plain,
    true = ifeq(true,true,in(sk6(union(sk7),sk8),union(sk7)),true),
    inference(cp,[status(thm)],[t233,t123]) ).

cnf(t7955,plain,
    true = in(sk6(union(sk7),sk8),union(sk7)),
    inference(step,[status(thm)],[t234,t38]) ).

cnf(t246,plain,
    in(sk6(union(sk7),sk8),union(sk7)) = true,
    inference(orient,[status(thm)],[t7955]) ).

cnf(t893,plain,
    true = ifeq(true,true,in(sk6(union(sk7),sk8),sk1(sk7,union(sk7),sk6(union(sk7),sk8))),true),
    inference(cp,[status(thm)],[t891,t246]) ).

cnf(t8059,plain,
    true = in(sk6(union(sk7),sk8),sk1(sk7,union(sk7),sk6(union(sk7),sk8))),
    inference(step,[status(thm)],[t893,t38]) ).

cnf(t918,plain,
    in(sk6(union(sk7),sk8),sk1(sk7,union(sk7),sk6(union(sk7),sk8))) = true,
    inference(orient,[status(thm)],[t8059]) ).

cnf(t7658,plain,
    true = ifeq(true,true,in(sk6(union(sk7),sk8),set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8)))),true),
    inference(cp,[status(thm)],[t7656,t918]) ).

cnf(t8716,plain,
    true = in(sk6(union(sk7),sk8),set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8)))),
    inference(step,[status(thm)],[t7658,t38]) ).

cnf(t14,plain,
    ifeq(not(X1),true,X1,false) = false,
    introduced(definition) ).

cnf(t91,plain,
    ifeq(not(X1),true,X1,false) = false,
    inference(orient,[status(thm)],[t14]) ).

cnf(c25,plain,
    ( ~ disjoint(X0,X1)
    | ~ in(X2,set_intersection2(X0,X1)) ),
    inference(cnf_transformation,[status(esa)],[f8_sk]) ).

cnf(t21,plain,
    or(not(in(X1,set_intersection2(X2,X3))),not(disjoint(X2,X3))) = true,
    inference(equality_encoding,[status(esa)],[c25]) ).

cnf(t79,plain,
    or(not(in(X1,set_intersection2(X2,X3))),not(disjoint(X2,X3))) = true,
    inference(orient,[status(thm)],[t21]) ).

cnf(t96,plain,
    true = or(not(in(X1,set_intersection2(X2,X3))),not(disjoint(X3,X2))),
    inference(cp,[status(thm)],[t79,t92]) ).

cnf(t573,plain,
    or(not(in(X1,set_intersection2(X2,X3))),not(disjoint(X3,X2))) = true,
    inference(orient,[status(thm)],[t96]) ).

cnf(c26,plain,
    ( disjoint(X2,sk8)
    | ~ in(X2,sk7) ),
    inference(cnf_transformation,[status(esa)],[f9_sk]) ).

cnf(t18,plain,
    ifeq(in(X1,sk7),true,disjoint(X1,sk8),true) = true,
    inference(equality_encoding,[status(esa)],[c26]) ).

cnf(t61,plain,
    ifeq(in(X1,sk7),true,disjoint(X1,sk8),true) = true,
    inference(orient,[status(thm)],[t18]) ).

cnf(c12,plain,
    ( in(sk1(X0,X1,X2),X0)
    | ~ in(X2,X1)
    | X1 != union(X0) ),
    inference(cnf_transformation,[status(esa)],[f3_sk]) ).

cnf(t28,plain,
    ifeq(X1,union(X2),ifeq(in(X3,X1),true,in(sk1(X2,X1,X3),X2),true),true) = true,
    inference(equality_encoding,[status(esa)],[c12]) ).

cnf(t56,plain,
    ifeq(X1,union(X2),ifeq(in(X3,X1),true,in(sk1(X2,X1,X3),X2),true),true) = true,
    inference(orient,[status(thm)],[t28]) ).

cnf(t57,plain,
    true = ifeq(in(X1,union(X2)),true,in(sk1(X2,union(X2),X1),X2),true),
    inference(cp,[status(thm)],[t56,t38]) ).

cnf(t992,plain,
    ifeq(in(X1,union(X2)),true,in(sk1(X2,union(X2),X1),X2),true) = true,
    inference(orient,[status(thm)],[t57]) ).

cnf(t994,plain,
    true = ifeq(true,true,in(sk1(sk7,union(sk7),sk6(union(sk7),sk8)),sk7),true),
    inference(cp,[status(thm)],[t992,t246]) ).

cnf(t8068,plain,
    true = in(sk1(sk7,union(sk7),sk6(union(sk7),sk8)),sk7),
    inference(step,[status(thm)],[t994,t38]) ).

cnf(t998,plain,
    in(sk1(sk7,union(sk7),sk6(union(sk7),sk8)),sk7) = true,
    inference(orient,[status(thm)],[t8068]) ).

cnf(t999,plain,
    true = ifeq(true,true,disjoint(sk1(sk7,union(sk7),sk6(union(sk7),sk8)),sk8),true),
    inference(cp,[status(thm)],[t61,t998]) ).

cnf(t8093,plain,
    true = disjoint(sk1(sk7,union(sk7),sk6(union(sk7),sk8)),sk8),
    inference(step,[status(thm)],[t999,t38]) ).

cnf(t1232,plain,
    disjoint(sk1(sk7,union(sk7),sk6(union(sk7),sk8)),sk8) = true,
    inference(orient,[status(thm)],[t8093]) ).

cnf(t1236,plain,
    true = or(not(in(X1,set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8))))),not(true)),
    inference(cp,[status(thm)],[t573,t1232]) ).

cnf(t3,plain,
    not(true) = false,
    introduced(definition) ).

cnf(t109,plain,
    not(true) = false,
    inference(orient,[status(thm)],[t3]) ).

cnf(t8121,plain,
    true = or(not(in(X1,set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8))))),false),
    inference(step,[status(thm)],[t1236,t109]) ).

cnf(t5,plain,
    or(X1,false) = X1,
    introduced(definition) ).

cnf(t40,plain,
    or(X1,false) = X1,
    inference(orient,[status(thm)],[t5]) ).

cnf(t8122,plain,
    true = not(in(X1,set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8))))),
    inference(step,[status(thm)],[t8121,t40]) ).

cnf(t1450,plain,
    not(in(X1,set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8))))) = true,
    inference(orient,[status(thm)],[t8122]) ).

cnf(t1451,plain,
    false = ifeq(true,true,in(X1,set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8)))),false),
    inference(cp,[status(thm)],[t91,t1450]) ).

cnf(t8126,plain,
    false = in(X1,set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8)))),
    inference(step,[status(thm)],[t1451,t38]) ).

cnf(t1456,plain,
    in(X1,set_intersection2(sk8,sk1(sk7,union(sk7),sk6(union(sk7),sk8)))) = false,
    inference(orient,[status(thm)],[t8126]) ).

cnf(t8717,plain,
    true = false,
    inference(step,[status(thm)],[t8716,t1456]) ).

cnf(t7676,plain,
    false = true,
    inference(orient,[status(thm)],[t8717]) ).

fof(f0,axiom,
    ! [A,B] :
      ( in(A,B)
     => ~ in(B,A) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

fof(f0_nnf,plain,
    ! [A,B] :
      ( ~ in(B,A)
      | ~ in(A,B) ),
    inference(nnf_transformation,[status(thm)],[f0]) ).

fof(f0_sk,plain,
    ! [A,B] :
      ( ~ in(B,A)
      | ~ in(A,B) ),
    inference(skolemisation,[status(esa)],[f0_nnf]) ).

cnf(c0,plain,
    ( ~ in(X1,X0)
    | ~ in(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f0_sk]) ).

fof(f6,axiom,
    ? [A] : ~ empty(A),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

fof(f6_nnf,plain,
    ? [A] : ~ empty(A),
    inference(nnf_transformation,[status(thm)],[f6]) ).

fof(f6_sk,plain,
    ~ empty(sk5),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk5])],[f6_nnf]) ).

cnf(c22,plain,
    ~ empty(sk5),
    inference(cnf_transformation,[status(esa)],[f6_sk]) ).

cnf(goal_0,negated_conjecture,
    true != false,
    inference(equality_encoding,[status(esa)],[c0,c22,c25,c27]) ).

cnf(g0_0,plain,
    true != true,
    inference(rw,[status(thm)],[goal_0,t7676]) ).

cnf(contradiction_0,plain,
    $false,
    inference(trivial_inequality_removal,[status(thm)],[g0_0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SET945+1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.04  % Command  : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.08/0.37  % Computer : n013.cluster.edu
% 0.08/0.37  % Model    : x86_64 x86_64
% 0.08/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.37  % Memory   : 8046.5625MB
% 0.08/0.37  % OS       : Linux 6.8.0-71-generic
% 0.08/0.37  % CPULimit : 300
% 0.08/0.37  % WCLimit  : 300
% 0.08/0.37  % DateTime : Thu Sep 24 12:25:06 UTC 2026
% 0.08/0.37  % CPUTime  : 
% 0.08/0.37  Running run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 39.04/5.79  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 39.04/5.79  % SZS output start Proof for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------