TSTP Solution File: SET159+3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET159+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n005.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 : Wed May 31 12:34:09 EDT 2023

% Result   : Theorem 23.62s 3.42s
% Output   : CNFRefutation 23.62s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   15
% Syntax   : Number of formulae    :  105 (  16 unt;   0 def)
%            Number of atoms       :  266 (  33 equ)
%            Maximal formula atoms :   10 (   2 avg)
%            Number of connectives :  265 ( 104   ~; 126   |;  19   &)
%                                         (  15 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   14 (  12 usr;  11 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :  135 (; 128   !;   7   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [B,C,D] :
      ( member(D,union(B,C))
    <=> ( member(D,B)
        | member(D,C) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [B,C] : union(B,C) = union(C,B),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [B,C] :
      ( subset(B,C)
    <=> ! [D] :
          ( member(D,B)
         => member(D,C) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [B,C] :
      ( B = C
    <=> ! [D] :
          ( member(D,B)
        <=> member(D,C) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f7,conjecture,
    ! [B,C,D] : union(union(B,C),D) = union(B,union(C,D)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f8,negated_conjecture,
    ~ ! [B,C,D] : union(union(B,C),D) = union(B,union(C,D)),
    inference(negated_conjecture,[status(cth)],[f7]) ).

fof(f9,plain,
    ! [B,C,D] :
      ( ( ~ member(D,union(B,C))
        | member(D,B)
        | member(D,C) )
      & ( member(D,union(B,C))
        | ( ~ member(D,B)
          & ~ member(D,C) ) ) ),
    inference(NNF_transformation,[status(esa)],[f1]) ).

fof(f10,plain,
    ( ! [B,C,D] :
        ( ~ member(D,union(B,C))
        | member(D,B)
        | member(D,C) )
    & ! [B,C,D] :
        ( member(D,union(B,C))
        | ( ~ member(D,B)
          & ~ member(D,C) ) ) ),
    inference(miniscoping,[status(esa)],[f9]) ).

fof(f11,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,union(X1,X2))
      | member(X0,X1)
      | member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f12,plain,
    ! [X0,X1,X2] :
      ( member(X0,union(X1,X2))
      | ~ member(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f13,plain,
    ! [X0,X1,X2] :
      ( member(X0,union(X1,X2))
      | ~ member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f19,plain,
    ! [X0,X1] : union(X0,X1) = union(X1,X0),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f20,plain,
    ! [B,C] :
      ( subset(B,C)
    <=> ! [D] :
          ( ~ member(D,B)
          | member(D,C) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f4]) ).

fof(f21,plain,
    ! [B,C] :
      ( ( ~ subset(B,C)
        | ! [D] :
            ( ~ member(D,B)
            | member(D,C) ) )
      & ( subset(B,C)
        | ? [D] :
            ( member(D,B)
            & ~ member(D,C) ) ) ),
    inference(NNF_transformation,[status(esa)],[f20]) ).

fof(f22,plain,
    ( ! [B,C] :
        ( ~ subset(B,C)
        | ! [D] :
            ( ~ member(D,B)
            | member(D,C) ) )
    & ! [B,C] :
        ( subset(B,C)
        | ? [D] :
            ( member(D,B)
            & ~ member(D,C) ) ) ),
    inference(miniscoping,[status(esa)],[f21]) ).

fof(f23,plain,
    ( ! [B,C] :
        ( ~ subset(B,C)
        | ! [D] :
            ( ~ member(D,B)
            | member(D,C) ) )
    & ! [B,C] :
        ( subset(B,C)
        | ( member(sk0_0(C,B),B)
          & ~ member(sk0_0(C,B),C) ) ) ),
    inference(skolemization,[status(esa)],[f22]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sk0_0(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f23]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sk0_0(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f23]) ).

fof(f28,plain,
    ! [B,C] :
      ( ( B != C
        | ! [D] :
            ( ( ~ member(D,B)
              | member(D,C) )
            & ( member(D,B)
              | ~ member(D,C) ) ) )
      & ( B = C
        | ? [D] :
            ( ( ~ member(D,B)
              | ~ member(D,C) )
            & ( member(D,B)
              | member(D,C) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f6]) ).

fof(f29,plain,
    ( ! [B,C] :
        ( B != C
        | ( ! [D] :
              ( ~ member(D,B)
              | member(D,C) )
          & ! [D] :
              ( member(D,B)
              | ~ member(D,C) ) ) )
    & ! [B,C] :
        ( B = C
        | ? [D] :
            ( ( ~ member(D,B)
              | ~ member(D,C) )
            & ( member(D,B)
              | member(D,C) ) ) ) ),
    inference(miniscoping,[status(esa)],[f28]) ).

fof(f30,plain,
    ( ! [B,C] :
        ( B != C
        | ( ! [D] :
              ( ~ member(D,B)
              | member(D,C) )
          & ! [D] :
              ( member(D,B)
              | ~ member(D,C) ) ) )
    & ! [B,C] :
        ( B = C
        | ( ( ~ member(sk0_1(C,B),B)
            | ~ member(sk0_1(C,B),C) )
          & ( member(sk0_1(C,B),B)
            | member(sk0_1(C,B),C) ) ) ) ),
    inference(skolemization,[status(esa)],[f29]) ).

fof(f31,plain,
    ! [X0,X1,X2] :
      ( X0 != X1
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f30]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ member(sk0_1(X1,X0),X0)
      | ~ member(sk0_1(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f30]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( X0 = X1
      | member(sk0_1(X1,X0),X0)
      | member(sk0_1(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f30]) ).

fof(f35,plain,
    ? [B,C,D] : union(union(B,C),D) != union(B,union(C,D)),
    inference(pre_NNF_transformation,[status(esa)],[f8]) ).

fof(f36,plain,
    union(union(sk0_2,sk0_3),sk0_4) != union(sk0_2,union(sk0_3,sk0_4)),
    inference(skolemization,[status(esa)],[f35]) ).

fof(f37,plain,
    union(union(sk0_2,sk0_3),sk0_4) != union(sk0_2,union(sk0_3,sk0_4)),
    inference(cnf_transformation,[status(esa)],[f36]) ).

fof(f38,plain,
    union(sk0_4,union(sk0_2,sk0_3)) != union(sk0_2,union(sk0_3,sk0_4)),
    inference(paramodulation,[status(thm)],[f19,f37]) ).

fof(f40,plain,
    ! [X0,X1,X2,X3] :
      ( ~ member(X0,X1)
      | member(X0,union(union(X1,X2),X3)) ),
    inference(resolution,[status(thm)],[f12,f12]) ).

fof(f45,plain,
    ! [X0,X1,X2,X3] :
      ( member(X0,X1)
      | member(X0,X2)
      | ~ member(X0,union(X3,union(X1,X2)))
      | member(X0,X3) ),
    inference(resolution,[status(thm)],[f11,f11]) ).

fof(f50,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,union(X1,X1))
      | member(X0,union(X1,X2)) ),
    inference(resolution,[status(thm)],[f11,f12]) ).

fof(f56,plain,
    ! [X0,X1,X2,X3] :
      ( ~ member(X0,X1)
      | member(X0,union(X2,union(X3,X1))) ),
    inference(resolution,[status(thm)],[f13,f13]) ).

fof(f57,plain,
    ! [X0,X1,X2,X3] :
      ( ~ member(X0,X1)
      | member(X0,union(union(X2,X1),X3)) ),
    inference(resolution,[status(thm)],[f13,f12]) ).

fof(f59,plain,
    ! [X0,X1,X2,X3] :
      ( member(X0,union(X1,union(X2,X3)))
      | ~ member(X0,X2) ),
    inference(resolution,[status(thm)],[f13,f12]) ).

fof(f374,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sk0_0(X1,X0),union(X1,X1)) ),
    inference(resolution,[status(thm)],[f26,f11]) ).

fof(f389,plain,
    ! [X0,X1,X2] :
      ( subset(X0,X1)
      | X2 != union(X1,X1)
      | ~ member(sk0_0(X1,X0),X2) ),
    inference(resolution,[status(thm)],[f374,f31]) ).

fof(f482,plain,
    ( spl0_10
  <=> member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(sk0_2,union(sk0_3,sk0_4))) ),
    introduced(split_symbol_definition) ).

fof(f483,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(sk0_2,union(sk0_3,sk0_4)))
    | ~ spl0_10 ),
    inference(component_clause,[status(thm)],[f482]) ).

fof(f484,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(sk0_2,union(sk0_3,sk0_4)))
    | spl0_10 ),
    inference(component_clause,[status(thm)],[f482]) ).

fof(f485,plain,
    ( spl0_11
  <=> member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(union(sk0_2,sk0_3),sk0_4)) ),
    introduced(split_symbol_definition) ).

fof(f486,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(union(sk0_2,sk0_3),sk0_4))
    | ~ spl0_11 ),
    inference(component_clause,[status(thm)],[f485]) ).

fof(f487,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(union(sk0_2,sk0_3),sk0_4))
    | spl0_11 ),
    inference(component_clause,[status(thm)],[f485]) ).

fof(f488,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(sk0_2,union(sk0_3,sk0_4)))
    | ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(union(sk0_2,sk0_3),sk0_4)) ),
    inference(resolution,[status(thm)],[f33,f37]) ).

fof(f489,plain,
    ( ~ spl0_10
    | ~ spl0_11 ),
    inference(split_clause,[status(thm)],[f488,f482,f485]) ).

fof(f527,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ member(sk0_1(X1,X0),X0)
      | ~ member(sk0_1(X1,X0),union(X1,X1)) ),
    inference(resolution,[status(thm)],[f33,f11]) ).

fof(f539,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(sk0_2,union(sk0_3,sk0_4)))
    | member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(union(sk0_2,sk0_3),sk0_4)) ),
    inference(resolution,[status(thm)],[f34,f37]) ).

fof(f540,plain,
    ( spl0_10
    | spl0_11 ),
    inference(split_clause,[status(thm)],[f539,f482,f485]) ).

fof(f621,plain,
    ( spl0_12
  <=> union(sk0_2,union(sk0_3,sk0_4)) = union(union(sk0_2,sk0_3),sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f622,plain,
    ( union(sk0_2,union(sk0_3,sk0_4)) = union(union(sk0_2,sk0_3),sk0_4)
    | ~ spl0_12 ),
    inference(component_clause,[status(thm)],[f621]) ).

fof(f626,plain,
    ( spl0_13
  <=> member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_3) ),
    introduced(split_symbol_definition) ).

fof(f627,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_3)
    | ~ spl0_13 ),
    inference(component_clause,[status(thm)],[f626]) ).

fof(f629,plain,
    ( spl0_14
  <=> member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f630,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_4)
    | ~ spl0_14 ),
    inference(component_clause,[status(thm)],[f629]) ).

fof(f632,plain,
    ( spl0_15
  <=> member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_2) ),
    introduced(split_symbol_definition) ).

fof(f633,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_2)
    | ~ spl0_15 ),
    inference(component_clause,[status(thm)],[f632]) ).

fof(f635,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_3)
    | member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_4)
    | member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_2)
    | ~ spl0_10 ),
    inference(resolution,[status(thm)],[f483,f45]) ).

fof(f636,plain,
    ( spl0_13
    | spl0_14
    | spl0_15
    | ~ spl0_10 ),
    inference(split_clause,[status(thm)],[f635,f626,f629,f632,f482]) ).

fof(f686,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_3)
    | spl0_11 ),
    inference(resolution,[status(thm)],[f487,f57]) ).

fof(f687,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_2)
    | spl0_11 ),
    inference(resolution,[status(thm)],[f487,f40]) ).

fof(f689,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_4)
    | spl0_11 ),
    inference(resolution,[status(thm)],[f487,f13]) ).

fof(f1278,plain,
    ( $false
    | ~ spl0_12 ),
    inference(forward_subsumption_resolution,[status(thm)],[f622,f37]) ).

fof(f1279,plain,
    ~ spl0_12,
    inference(contradiction_clause,[status(thm)],[f1278]) ).

fof(f1464,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_3)
    | spl0_10 ),
    inference(resolution,[status(thm)],[f484,f59]) ).

fof(f1465,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_4)
    | spl0_10 ),
    inference(resolution,[status(thm)],[f484,f56]) ).

fof(f1468,plain,
    ( ~ member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_2)
    | spl0_10 ),
    inference(resolution,[status(thm)],[f484,f12]) ).

fof(f1521,plain,
    ( spl0_41
  <=> member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(sk0_2,sk0_3)) ),
    introduced(split_symbol_definition) ).

fof(f1522,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(sk0_2,sk0_3))
    | ~ spl0_41 ),
    inference(component_clause,[status(thm)],[f1521]) ).

fof(f1524,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),union(sk0_2,sk0_3))
    | member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_4)
    | ~ spl0_11 ),
    inference(resolution,[status(thm)],[f486,f11]) ).

fof(f1525,plain,
    ( spl0_41
    | spl0_14
    | ~ spl0_11 ),
    inference(split_clause,[status(thm)],[f1524,f1521,f629,f485]) ).

fof(f1625,plain,
    ! [X0,X1,X2,X3] :
      ( subset(X0,X1)
      | union(X2,X3) != union(X1,X1)
      | ~ member(sk0_0(X1,X0),X3) ),
    inference(resolution,[status(thm)],[f389,f13]) ).

fof(f1879,plain,
    ! [X0] :
      ( union(X0,X0) = X0
      | ~ member(sk0_1(X0,union(X0,X0)),union(X0,X0)) ),
    inference(resolution,[status(thm)],[f527,f50]) ).

fof(f1881,plain,
    ! [X0] :
      ( union(X0,X0) = X0
      | ~ member(sk0_1(X0,union(X0,X0)),X0) ),
    inference(resolution,[status(thm)],[f527,f13]) ).

fof(f1982,plain,
    ! [X0] :
      ( union(X0,X0) = X0
      | union(X0,X0) = X0
      | member(sk0_1(X0,union(X0,X0)),X0) ),
    inference(resolution,[status(thm)],[f1879,f34]) ).

fof(f1983,plain,
    ! [X0] :
      ( union(X0,X0) = X0
      | member(sk0_1(X0,union(X0,X0)),X0) ),
    inference(duplicate_literals_removal,[status(esa)],[f1982]) ).

fof(f1984,plain,
    ! [X0] : union(X0,X0) = X0,
    inference(forward_subsumption_resolution,[status(thm)],[f1983,f1881]) ).

fof(f3557,plain,
    ( spl0_79
  <=> union(sk0_4,union(sk0_2,sk0_3)) = union(sk0_2,union(sk0_3,sk0_4)) ),
    introduced(split_symbol_definition) ).

fof(f3558,plain,
    ( union(sk0_4,union(sk0_2,sk0_3)) = union(sk0_2,union(sk0_3,sk0_4))
    | ~ spl0_79 ),
    inference(component_clause,[status(thm)],[f3557]) ).

fof(f3625,plain,
    ( $false
    | ~ spl0_79 ),
    inference(forward_subsumption_resolution,[status(thm)],[f3558,f38]) ).

fof(f3626,plain,
    ~ spl0_79,
    inference(contradiction_clause,[status(thm)],[f3625]) ).

fof(f3650,plain,
    ! [X0,X1,X2] :
      ( subset(X0,X1)
      | union(X2,X0) != union(X1,X1)
      | subset(X0,X1) ),
    inference(resolution,[status(thm)],[f1625,f25]) ).

fof(f3651,plain,
    ! [X0,X1,X2] :
      ( subset(X0,X1)
      | union(X2,X0) != union(X1,X1) ),
    inference(duplicate_literals_removal,[status(esa)],[f3650]) ).

fof(f3715,plain,
    ! [X0,X1] : subset(X0,union(X1,X0)),
    inference(resolution,[status(thm)],[f3651,f1984]) ).

fof(f3742,plain,
    ! [X0,X1] : subset(X0,union(X0,X1)),
    inference(paramodulation,[status(thm)],[f19,f3715]) ).

fof(f5932,plain,
    ( spl0_100
  <=> subset(sk0_3,union(union(sk0_4,union(sk0_2,sk0_3)),sk0_3)) ),
    introduced(split_symbol_definition) ).

fof(f5934,plain,
    ( ~ subset(sk0_3,union(union(sk0_4,union(sk0_2,sk0_3)),sk0_3))
    | spl0_100 ),
    inference(component_clause,[status(thm)],[f5932]) ).

fof(f5964,plain,
    ( $false
    | spl0_100 ),
    inference(forward_subsumption_resolution,[status(thm)],[f5934,f3715]) ).

fof(f5965,plain,
    spl0_100,
    inference(contradiction_clause,[status(thm)],[f5964]) ).

fof(f5987,plain,
    ( spl0_106
  <=> subset(sk0_3,union(sk0_3,union(sk0_4,union(sk0_2,sk0_3)))) ),
    introduced(split_symbol_definition) ).

fof(f5989,plain,
    ( ~ subset(sk0_3,union(sk0_3,union(sk0_4,union(sk0_2,sk0_3))))
    | spl0_106 ),
    inference(component_clause,[status(thm)],[f5987]) ).

fof(f6023,plain,
    ( $false
    | spl0_106 ),
    inference(forward_subsumption_resolution,[status(thm)],[f5989,f3742]) ).

fof(f6024,plain,
    spl0_106,
    inference(contradiction_clause,[status(thm)],[f6023]) ).

fof(f9522,plain,
    ( member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_2)
    | member(sk0_1(union(union(sk0_2,sk0_3),sk0_4),union(sk0_2,union(sk0_3,sk0_4))),sk0_3)
    | ~ spl0_41 ),
    inference(resolution,[status(thm)],[f1522,f11]) ).

fof(f9523,plain,
    ( spl0_15
    | spl0_13
    | ~ spl0_41 ),
    inference(split_clause,[status(thm)],[f9522,f632,f626,f1521]) ).

fof(f9566,plain,
    ( $false
    | ~ spl0_13
    | spl0_11 ),
    inference(forward_subsumption_resolution,[status(thm)],[f686,f627]) ).

fof(f9567,plain,
    ( ~ spl0_13
    | spl0_11 ),
    inference(contradiction_clause,[status(thm)],[f9566]) ).

fof(f9568,plain,
    ( $false
    | ~ spl0_13
    | spl0_10 ),
    inference(forward_subsumption_resolution,[status(thm)],[f1464,f627]) ).

fof(f9569,plain,
    ( ~ spl0_13
    | spl0_10 ),
    inference(contradiction_clause,[status(thm)],[f9568]) ).

fof(f9570,plain,
    ( $false
    | ~ spl0_14
    | spl0_10 ),
    inference(forward_subsumption_resolution,[status(thm)],[f1465,f630]) ).

fof(f9571,plain,
    ( ~ spl0_14
    | spl0_10 ),
    inference(contradiction_clause,[status(thm)],[f9570]) ).

fof(f9572,plain,
    ( $false
    | ~ spl0_15
    | spl0_10 ),
    inference(forward_subsumption_resolution,[status(thm)],[f1468,f633]) ).

fof(f9573,plain,
    ( ~ spl0_15
    | spl0_10 ),
    inference(contradiction_clause,[status(thm)],[f9572]) ).

fof(f9574,plain,
    ( $false
    | ~ spl0_15
    | spl0_11 ),
    inference(forward_subsumption_resolution,[status(thm)],[f687,f633]) ).

fof(f9575,plain,
    ( ~ spl0_15
    | spl0_11 ),
    inference(contradiction_clause,[status(thm)],[f9574]) ).

fof(f9576,plain,
    ( ~ spl0_14
    | spl0_11 ),
    inference(split_clause,[status(thm)],[f689,f629,f485]) ).

fof(f9578,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f489,f540,f636,f1279,f1525,f3626,f5965,f6024,f9523,f9567,f9569,f9571,f9573,f9575,f9576]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : SET159+3 : TPTP v8.1.2. Released v2.2.0.
% 0.09/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.31  % Computer : n005.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit : 300
% 0.10/0.31  % WCLimit  : 300
% 0.10/0.31  % DateTime : Tue May 30 10:18:06 EDT 2023
% 0.10/0.31  % CPUTime  : 
% 0.15/0.31  % Drodi V3.5.1
% 23.62/3.42  % Refutation found
% 23.62/3.42  % SZS status Theorem for theBenchmark: Theorem is valid
% 23.62/3.42  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 23.62/3.47  % Elapsed time: 3.142854 seconds
% 23.62/3.47  % CPU time: 24.013648 seconds
% 23.62/3.47  % Memory used: 177.266 MB
%------------------------------------------------------------------------------