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Drodi---4.1.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : SET686+3 : TPTP v9.3.1. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n014.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 : Thu Sep 24 02:10:27 PM UTC 2026

% Result   : Theorem 0.13s 0.39s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   35
% Syntax   : Number of formulae    :  159 (  12 unt;  23 def)
%            Number of atoms       :  598 (  27 equ)
%            Maximal formula atoms :   16 (   3 avg)
%            Number of connectives :  744 ( 305   ~; 298   |;  64   &)
%                                         (  33 <=>;  43  =>;   0  <=;   1 <~>)
%            Maximal formula depth :   20 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   29 (  27 usr;  24 prp; 0-2 aty)
%            Number of functors    :   18 (  18 usr;   8 con; 0-4 aty)
%            Number of variables   :  243 ( 226   !;  17   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,binary_relation_type)
             => ( member(C,inverse2(D,B))
              <=> ? [E] :
                    ( member(E,B)
                    & member(ordered_pair(C,E),D)
                    & ilf_type(E,set_type) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,set_type)
             => ! [E] :
                  ( ilf_type(E,set_type)
                 => ! [F] :
                      ( ilf_type(F,relation_type(B,C))
                     => ( member(ordered_pair(D,E),F)
                       => ( member(E,C)
                          & member(D,B) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,set_type)
             => ! [E] :
                  ( ilf_type(E,set_type)
                 => ! [F] :
                      ( ilf_type(F,set_type)
                     => ( F = ordered_pair(D,E)
                      <=> F = unordered_pair(unordered_pair(D,E),singleton(D)) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( ! [E] :
                ( ilf_type(E,relation_type(B,C))
               => ilf_type(E,subset_type(cross_product(B,C))) )
            & ! [D] :
                ( ilf_type(D,subset_type(cross_product(B,C)))
               => ilf_type(D,relation_type(B,C)) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ( ilf_type(C,set_type)
            & ~ empty(C) )
         => ( ilf_type(B,member_type(C))
          <=> member(B,C) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f14,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] : ilf_type(C,set_type) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f15,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ( ilf_type(B,binary_relation_type)
      <=> ( ilf_type(B,set_type)
          & relation_like(B) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f24,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,subset_type(cross_product(B,C)))
             => relation_like(D) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f25,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,relation_type(B,C))
             => ! [E] :
                  ( ilf_type(E,set_type)
                 => inverse4(B,C,D,E) = inverse2(D,E) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f26,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,relation_type(B,C))
             => ! [E] :
                  ( ilf_type(E,set_type)
                 => ilf_type(inverse4(B,C,D,E),subset_type(B)) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f27,axiom,
    ! [B] : ilf_type(B,set_type),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f28,conjecture,
    ! [B] :
      ( ( ilf_type(B,set_type)
        & ~ empty(B) )
     => ! [C] :
          ( ( ilf_type(C,set_type)
            & ~ empty(C) )
         => ! [D] :
              ( ( ilf_type(D,set_type)
                & ~ empty(D) )
             => ! [E] :
                  ( ilf_type(E,relation_type(B,D))
                 => ! [F] :
                      ( ilf_type(F,member_type(B))
                     => ( member(F,inverse4(B,D,E,C))
                      <=> ? [G] :
                            ( member(G,C)
                            & member(ordered_pair(F,G),E)
                            & ilf_type(G,member_type(D)) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f29,negated_conjecture,
    ~ ! [B] :
        ( ( ilf_type(B,set_type)
          & ~ empty(B) )
       => ! [C] :
            ( ( ilf_type(C,set_type)
              & ~ empty(C) )
           => ! [D] :
                ( ( ilf_type(D,set_type)
                  & ~ empty(D) )
               => ! [E] :
                    ( ilf_type(E,relation_type(B,D))
                   => ! [F] :
                        ( ilf_type(F,member_type(B))
                       => ( member(F,inverse4(B,D,E,C))
                        <=> ? [G] :
                              ( member(G,C)
                              & member(ordered_pair(F,G),E)
                              & ilf_type(G,member_type(D)) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f28]) ).

fof(f30,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( ( member(C,inverse2(D,B))
              <=> ? [E] :
                    ( member(E,B)
                    & member(ordered_pair(C,E),D)
                    & ilf_type(E,set_type) ) )
              | ~ ilf_type(D,binary_relation_type) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f1]) ).

fof(f31,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( ( ( ! [E] :
                      ( ~ member(E,B)
                      | ~ member(ordered_pair(C,E),D)
                      | ~ ilf_type(E,set_type) )
                  | member(C,inverse2(D,B)) )
                & ( ? [E] :
                      ( member(E,B)
                      & member(ordered_pair(C,E),D)
                      & ilf_type(E,set_type) )
                  | ~ member(C,inverse2(D,B)) ) )
              | ~ ilf_type(D,binary_relation_type) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(NNF_transformation,[status(thm)],[f30]) ).

fof(f32,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( ( ( ! [E] :
                      ( ~ member(E,B)
                      | ~ member(ordered_pair(C,E),D)
                      | ~ ilf_type(E,set_type) )
                  | member(C,inverse2(D,B)) )
                & ( ( member(sK0_skl(D,C,B),B)
                    & member(ordered_pair(C,sK0_skl(D,C,B)),D)
                    & ilf_type(sK0_skl(D,C,B),set_type) )
                  | ~ member(C,inverse2(D,B)) ) )
              | ~ ilf_type(D,binary_relation_type) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl]),skolemize(E,sK0_skl(D,C,B))],[f31]) ).

fof(f34,plain,
    ! [X0,X1,X2] :
      ( member(ordered_pair(X1,sK0_skl(X2,X1,X0)),X2)
      | ~ member(X1,inverse2(X2,X0))
      | ~ ilf_type(X2,binary_relation_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f32]) ).

fof(f35,plain,
    ! [X0,X1,X2] :
      ( member(sK0_skl(X2,X1,X0),X0)
      | ~ member(X1,inverse2(X2,X0))
      | ~ ilf_type(X2,binary_relation_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f32]) ).

fof(f36,plain,
    ! [X0,X1,X2,X3] :
      ( ~ member(X3,X0)
      | ~ member(ordered_pair(X1,X3),X2)
      | ~ ilf_type(X3,set_type)
      | member(X1,inverse2(X2,X0))
      | ~ ilf_type(X2,binary_relation_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f32]) ).

fof(f37,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( ! [E] :
                  ( ! [F] :
                      ( ( member(E,C)
                        & member(D,B) )
                      | ~ member(ordered_pair(D,E),F)
                      | ~ ilf_type(F,relation_type(B,C)) )
                  | ~ ilf_type(E,set_type) )
              | ~ ilf_type(D,set_type) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f2]) ).

fof(f39,plain,
    ! [X0,X1,X2,X3,X4] :
      ( member(X3,X1)
      | ~ member(ordered_pair(X2,X3),X4)
      | ~ ilf_type(X4,relation_type(X0,X1))
      | ~ ilf_type(X3,set_type)
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f37]) ).

fof(f40,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( ! [E] :
                  ( ! [F] :
                      ( ( F = ordered_pair(D,E)
                      <=> F = unordered_pair(unordered_pair(D,E),singleton(D)) )
                      | ~ ilf_type(F,set_type) )
                  | ~ ilf_type(E,set_type) )
              | ~ ilf_type(D,set_type) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f3]) ).

fof(f41,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( ! [E] :
                  ( ! [F] :
                      ( ( ( F != unordered_pair(unordered_pair(D,E),singleton(D))
                          | F = ordered_pair(D,E) )
                        & ( F = unordered_pair(unordered_pair(D,E),singleton(D))
                          | F != ordered_pair(D,E) ) )
                      | ~ ilf_type(F,set_type) )
                  | ~ ilf_type(E,set_type) )
              | ~ ilf_type(D,set_type) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(NNF_transformation,[status(thm)],[f40]) ).

fof(f42,plain,
    ( ! [D] :
        ( ! [E] :
            ( ! [F] :
                ( ( ( F != unordered_pair(unordered_pair(D,E),singleton(D))
                    | F = ordered_pair(D,E) )
                  & ( F = unordered_pair(unordered_pair(D,E),singleton(D))
                    | F != ordered_pair(D,E) ) )
                | ~ ilf_type(F,set_type) )
            | ~ ilf_type(E,set_type) )
        | ~ ilf_type(D,set_type) )
    | ! [C] : ~ ilf_type(C,set_type)
    | ! [B] : ~ ilf_type(B,set_type) ),
    inference(miniscoping,[status(thm)],[f41]) ).

fof(f43,plain,
    ! [X0,X1,X2,X3,X4] :
      ( X4 = unordered_pair(unordered_pair(X2,X3),singleton(X2))
      | X4 != ordered_pair(X2,X3)
      | ~ ilf_type(X4,set_type)
      | ~ ilf_type(X3,set_type)
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f42]) ).

fof(f44,plain,
    ! [X0,X1,X2,X3,X4] :
      ( X4 != unordered_pair(unordered_pair(X2,X3),singleton(X2))
      | X4 = ordered_pair(X2,X3)
      | ~ ilf_type(X4,set_type)
      | ~ ilf_type(X3,set_type)
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f42]) ).

fof(f47,plain,
    ! [B] :
      ( ! [C] :
          ( ( ! [E] :
                ( ilf_type(E,subset_type(cross_product(B,C)))
                | ~ ilf_type(E,relation_type(B,C)) )
            & ! [D] :
                ( ilf_type(D,relation_type(B,C))
                | ~ ilf_type(D,subset_type(cross_product(B,C))) ) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f5]) ).

fof(f48,plain,
    ! [X0,X1,X2] :
      ( ilf_type(X2,relation_type(X0,X1))
      | ~ ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f47]) ).

fof(f49,plain,
    ! [X0,X1,X2] :
      ( ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ~ ilf_type(X2,relation_type(X0,X1))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f47]) ).

fof(f53,plain,
    ! [B] :
      ( ! [C] :
          ( ( ilf_type(B,member_type(C))
          <=> member(B,C) )
          | ~ ilf_type(C,set_type)
          | empty(C) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f7]) ).

fof(f54,plain,
    ! [B] :
      ( ! [C] :
          ( ( ( ~ member(B,C)
              | ilf_type(B,member_type(C)) )
            & ( member(B,C)
              | ~ ilf_type(B,member_type(C)) ) )
          | ~ ilf_type(C,set_type)
          | empty(C) )
      | ~ ilf_type(B,set_type) ),
    inference(NNF_transformation,[status(thm)],[f53]) ).

fof(f56,plain,
    ! [X0,X1] :
      ( ~ member(X0,X1)
      | ilf_type(X0,member_type(X1))
      | ~ ilf_type(X1,set_type)
      | empty(X1)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f54]) ).

fof(f74,plain,
    ! [B] :
      ( ! [C] : ilf_type(C,set_type)
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f14]) ).

fof(f75,plain,
    ( ! [C] : ilf_type(C,set_type)
    | ! [B] : ~ ilf_type(B,set_type) ),
    inference(miniscoping,[status(thm)],[f74]) ).

fof(f76,plain,
    ! [X0,X1] :
      ( ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f75]) ).

fof(f77,plain,
    ! [B] :
      ( ( ilf_type(B,binary_relation_type)
      <=> ( ilf_type(B,set_type)
          & relation_like(B) ) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f15]) ).

fof(f78,plain,
    ! [B] :
      ( ( ( ~ ilf_type(B,set_type)
          | ~ relation_like(B)
          | ilf_type(B,binary_relation_type) )
        & ( ( ilf_type(B,set_type)
            & relation_like(B) )
          | ~ ilf_type(B,binary_relation_type) ) )
      | ~ ilf_type(B,set_type) ),
    inference(NNF_transformation,[status(thm)],[f77]) ).

fof(f81,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ~ relation_like(X0)
      | ilf_type(X0,binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f78]) ).

fof(f120,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( relation_like(D)
              | ~ ilf_type(D,subset_type(cross_product(B,C))) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f24]) ).

fof(f121,plain,
    ! [X0,X1,X2] :
      ( relation_like(X2)
      | ~ ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f120]) ).

fof(f122,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( ! [E] :
                  ( inverse4(B,C,D,E) = inverse2(D,E)
                  | ~ ilf_type(E,set_type) )
              | ~ ilf_type(D,relation_type(B,C)) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f25]) ).

fof(f123,plain,
    ! [X0,X1,X2,X3] :
      ( inverse4(X0,X1,X2,X3) = inverse2(X2,X3)
      | ~ ilf_type(X3,set_type)
      | ~ ilf_type(X2,relation_type(X0,X1))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f122]) ).

fof(f124,plain,
    ! [B] :
      ( ! [C] :
          ( ! [D] :
              ( ! [E] :
                  ( ilf_type(inverse4(B,C,D,E),subset_type(B))
                  | ~ ilf_type(E,set_type) )
              | ~ ilf_type(D,relation_type(B,C)) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f26]) ).

fof(f125,plain,
    ! [X0,X1,X2,X3] :
      ( ilf_type(inverse4(X0,X1,X2,X3),subset_type(X0))
      | ~ ilf_type(X3,set_type)
      | ~ ilf_type(X2,relation_type(X0,X1))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f124]) ).

fof(f126,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[status(thm)],[f27]) ).

fof(f127,plain,
    ? [B] :
      ( ? [C] :
          ( ? [D] :
              ( ? [E] :
                  ( ? [F] :
                      ( ( member(F,inverse4(B,D,E,C))
                      <~> ? [G] :
                            ( member(G,C)
                            & member(ordered_pair(F,G),E)
                            & ilf_type(G,member_type(D)) ) )
                      & ilf_type(F,member_type(B)) )
                  & ilf_type(E,relation_type(B,D)) )
              & ilf_type(D,set_type)
              & ~ empty(D) )
          & ilf_type(C,set_type)
          & ~ empty(C) )
      & ilf_type(B,set_type)
      & ~ empty(B) ),
    inference(pre_NNF_transformation,[status(thm)],[f29]) ).

fof(f128,plain,
    ? [B] :
      ( ? [C] :
          ( ? [D] :
              ( ? [E] :
                  ( ? [F] :
                      ( ( ! [G] :
                            ( ~ member(G,C)
                            | ~ member(ordered_pair(F,G),E)
                            | ~ ilf_type(G,member_type(D)) )
                        | ~ member(F,inverse4(B,D,E,C)) )
                      & ( ? [G] :
                            ( member(G,C)
                            & member(ordered_pair(F,G),E)
                            & ilf_type(G,member_type(D)) )
                        | member(F,inverse4(B,D,E,C)) )
                      & ilf_type(F,member_type(B)) )
                  & ilf_type(E,relation_type(B,D)) )
              & ilf_type(D,set_type)
              & ~ empty(D) )
          & ilf_type(C,set_type)
          & ~ empty(C) )
      & ilf_type(B,set_type)
      & ~ empty(B) ),
    inference(NNF_transformation,[status(thm)],[f127]) ).

fof(f129,plain,
    ( ( ! [G] :
          ( ~ member(G,sK12_skl)
          | ~ member(ordered_pair(sK15_skl,G),sK14_skl)
          | ~ ilf_type(G,member_type(sK13_skl)) )
      | ~ member(sK15_skl,inverse4(sK11_skl,sK13_skl,sK14_skl,sK12_skl)) )
    & ( ( member(sK16_skl,sK12_skl)
        & member(ordered_pair(sK15_skl,sK16_skl),sK14_skl)
        & ilf_type(sK16_skl,member_type(sK13_skl)) )
      | member(sK15_skl,inverse4(sK11_skl,sK13_skl,sK14_skl,sK12_skl)) )
    & ilf_type(sK15_skl,member_type(sK11_skl))
    & ilf_type(sK14_skl,relation_type(sK11_skl,sK13_skl))
    & ilf_type(sK13_skl,set_type)
    & ~ empty(sK13_skl)
    & ilf_type(sK12_skl,set_type)
    & ~ empty(sK12_skl)
    & ilf_type(sK11_skl,set_type)
    & ~ empty(sK11_skl) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK11_skl,sK12_skl,sK13_skl,sK14_skl,sK15_skl,sK16_skl]),skolemize(B,sK11_skl),skolemize(C,sK12_skl),skolemize(D,sK13_skl),skolemize(E,sK14_skl),skolemize(F,sK15_skl),skolemize(G,sK16_skl)],[f128]) ).

fof(f134,plain,
    ~ empty(sK13_skl),
    inference(cnf_transformation,[status(thm)],[f129]) ).

fof(f136,plain,
    ilf_type(sK14_skl,relation_type(sK11_skl,sK13_skl)),
    inference(cnf_transformation,[status(thm)],[f129]) ).

fof(f139,plain,
    ( member(ordered_pair(sK15_skl,sK16_skl),sK14_skl)
    | member(sK15_skl,inverse4(sK11_skl,sK13_skl,sK14_skl,sK12_skl)) ),
    inference(cnf_transformation,[status(thm)],[f129]) ).

fof(f140,plain,
    ( member(sK16_skl,sK12_skl)
    | member(sK15_skl,inverse4(sK11_skl,sK13_skl,sK14_skl,sK12_skl)) ),
    inference(cnf_transformation,[status(thm)],[f129]) ).

fof(f141,plain,
    ! [X0] :
      ( ~ member(X0,sK12_skl)
      | ~ member(ordered_pair(sK15_skl,X0),sK14_skl)
      | ~ ilf_type(X0,member_type(sK13_skl))
      | ~ member(sK15_skl,inverse4(sK11_skl,sK13_skl,sK14_skl,sK12_skl)) ),
    inference(cnf_transformation,[status(thm)],[f129]) ).

fof(f142,definition,
    ! [X0] :
      ( sQ0_spl
    <=> ~ ilf_type(X0,set_type) ),
    introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition]) ).

fof(f143,plain,
    ! [X0] :
      ( ~ sQ0_spl
      | ~ ilf_type(X0,set_type) ),
    inference(component_clause,[status(thm)],[f142]) ).

fof(f145,definition,
    ! [X2,X3,X4] :
      ( sQ1_spl
    <=> ( X4 = unordered_pair(unordered_pair(X2,X3),singleton(X2))
        | X4 != ordered_pair(X2,X3)
        | ~ ilf_type(X4,set_type)
        | ~ ilf_type(X3,set_type)
        | ~ ilf_type(X2,set_type) ) ),
    introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition]) ).

fof(f148,plain,
    ( sQ1_spl
    | sQ0_spl ),
    inference(split_clause,[status(thm)],[f43,f142,f145]) ).

fof(f149,definition,
    ! [X2,X3,X4] :
      ( sQ2_spl
    <=> ( X4 != unordered_pair(unordered_pair(X2,X3),singleton(X2))
        | X4 = ordered_pair(X2,X3)
        | ~ ilf_type(X4,set_type)
        | ~ ilf_type(X3,set_type)
        | ~ ilf_type(X2,set_type) ) ),
    introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).

fof(f152,plain,
    ( sQ2_spl
    | sQ0_spl ),
    inference(split_clause,[status(thm)],[f44,f142,f149]) ).

fof(f153,definition,
    ! [X1] :
      ( sQ3_spl
    <=> ilf_type(X1,set_type) ),
    introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition]) ).

fof(f156,plain,
    ( sQ3_spl
    | sQ0_spl ),
    inference(split_clause,[status(thm)],[f76,f142,f153]) ).

fof(f157,definition,
    ( sQ4_spl
  <=> member(sK15_skl,inverse4(sK11_skl,sK13_skl,sK14_skl,sK12_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition]) ).

fof(f158,plain,
    ( ~ sQ4_spl
    | member(sK15_skl,inverse4(sK11_skl,sK13_skl,sK14_skl,sK12_skl)) ),
    inference(component_clause,[status(thm)],[f157]) ).

fof(f159,plain,
    ( sQ4_spl
    | ~ member(sK15_skl,inverse4(sK11_skl,sK13_skl,sK14_skl,sK12_skl)) ),
    inference(component_clause,[status(thm)],[f157]) ).

fof(f164,definition,
    ( sQ6_spl
  <=> member(ordered_pair(sK15_skl,sK16_skl),sK14_skl) ),
    introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).

fof(f165,plain,
    ( ~ sQ6_spl
    | member(ordered_pair(sK15_skl,sK16_skl),sK14_skl) ),
    inference(component_clause,[status(thm)],[f164]) ).

fof(f167,plain,
    ( sQ6_spl
    | sQ4_spl ),
    inference(split_clause,[status(thm)],[f139,f157,f164]) ).

fof(f168,definition,
    ( sQ7_spl
  <=> member(sK16_skl,sK12_skl) ),
    introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition]) ).

fof(f171,plain,
    ( sQ7_spl
    | sQ4_spl ),
    inference(split_clause,[status(thm)],[f140,f157,f168]) ).

fof(f172,definition,
    ! [X0] :
      ( sQ8_spl
    <=> ( ~ member(X0,sK12_skl)
        | ~ member(ordered_pair(sK15_skl,X0),sK14_skl)
        | ~ ilf_type(X0,member_type(sK13_skl)) ) ),
    introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).

fof(f173,plain,
    ! [X0] :
      ( ~ sQ8_spl
      | ~ member(X0,sK12_skl)
      | ~ member(ordered_pair(sK15_skl,X0),sK14_skl)
      | ~ ilf_type(X0,member_type(sK13_skl)) ),
    inference(component_clause,[status(thm)],[f172]) ).

fof(f175,plain,
    ( sQ8_spl
    | ~ sQ4_spl ),
    inference(split_clause,[status(thm)],[f141,f157,f172]) ).

fof(f176,plain,
    ! [X0] :
      ( ~ relation_like(X0)
      | ilf_type(X0,binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(duplicate_literals_removal,[status(thm)],[f81]) ).

fof(f178,plain,
    ! [X0,X1,X2,X3,X4] :
      ( member(X2,X0)
      | ~ member(ordered_pair(X1,X2),X3)
      | ~ ilf_type(X3,relation_type(X4,X0))
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f39,f126]) ).

fof(f180,plain,
    ( ~ sQ0_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f143,f126]) ).

fof(f181,plain,
    ~ sQ0_spl,
    inference(contradiction_clause,[status(thm)],[f180]) ).

fof(f184,plain,
    ! [X0,X1,X2] :
      ( member(ordered_pair(X0,sK0_skl(X1,X0,X2)),X1)
      | ~ member(X0,inverse2(X1,X2))
      | ~ ilf_type(X1,binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f34,f126]) ).

fof(f185,plain,
    ! [X0,X1,X2] :
      ( member(sK0_skl(X1,X0,X2),X2)
      | ~ member(X0,inverse2(X1,X2))
      | ~ ilf_type(X1,binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f35,f126]) ).

fof(f186,plain,
    ! [X0,X1,X2,X3] :
      ( ~ member(X3,X2)
      | ~ member(ordered_pair(X0,X3),X1)
      | ~ ilf_type(X3,set_type)
      | member(X0,inverse2(X1,X2))
      | ~ ilf_type(X1,binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f36,f126]) ).

fof(f187,plain,
    ! [X0,X1,X2] :
      ( ilf_type(X1,relation_type(X2,X0))
      | ~ ilf_type(X1,subset_type(cross_product(X2,X0)))
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f48,f126]) ).

fof(f188,plain,
    ! [X0,X1,X2] :
      ( ilf_type(X1,subset_type(cross_product(X2,X0)))
      | ~ ilf_type(X1,relation_type(X2,X0))
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f49,f126]) ).

fof(f189,plain,
    ( ilf_type(sK14_skl,subset_type(cross_product(sK11_skl,sK13_skl)))
    | ~ ilf_type(sK13_skl,set_type) ),
    inference(resolution,[status(thm)],[f136,f188]) ).

fof(f190,definition,
    ( sQ9_spl
  <=> ilf_type(sK13_skl,set_type) ),
    introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition]) ).

fof(f192,plain,
    ( sQ9_spl
    | ~ ilf_type(sK13_skl,set_type) ),
    inference(component_clause,[status(thm)],[f190]) ).

fof(f193,definition,
    ( sQ10_spl
  <=> ilf_type(sK14_skl,subset_type(cross_product(sK11_skl,sK13_skl))) ),
    introduced(definition,[new_symbols(definition,[sQ10_spl])],[split_symbol_definition]) ).

fof(f194,plain,
    ( ~ sQ10_spl
    | ilf_type(sK14_skl,subset_type(cross_product(sK11_skl,sK13_skl))) ),
    inference(component_clause,[status(thm)],[f193]) ).

fof(f196,plain,
    ( sQ10_spl
    | ~ sQ9_spl ),
    inference(split_clause,[status(thm)],[f189,f190,f193]) ).

fof(f197,plain,
    ( sQ9_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f192,f126]) ).

fof(f198,plain,
    sQ9_spl,
    inference(contradiction_clause,[status(thm)],[f197]) ).

fof(f210,plain,
    ( ~ sQ10_spl
    | ilf_type(sK14_skl,relation_type(sK11_skl,sK13_skl))
    | ~ ilf_type(sK13_skl,set_type) ),
    inference(resolution,[status(thm)],[f194,f187]) ).

fof(f211,definition,
    ( sQ14_spl
  <=> ilf_type(sK14_skl,relation_type(sK11_skl,sK13_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ14_spl])],[split_symbol_definition]) ).

fof(f214,plain,
    ( ~ sQ10_spl
    | sQ14_spl
    | ~ sQ9_spl ),
    inference(split_clause,[status(thm)],[f210,f190,f211,f193]) ).

fof(f215,plain,
    ! [X0,X1] :
      ( ~ member(X1,X0)
      | ilf_type(X1,member_type(X0))
      | ~ ilf_type(X0,set_type)
      | empty(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f56,f126]) ).

fof(f216,plain,
    ! [X0,X1] :
      ( ~ member(X1,X0)
      | ilf_type(X1,member_type(X0))
      | empty(X0) ),
    inference(resolution,[status(thm)],[f215,f126]) ).

fof(f218,plain,
    ! [X0,X1,X2,X3] :
      ( inverse4(X2,X0,X1,X3) = inverse2(X1,X3)
      | ~ ilf_type(X3,set_type)
      | ~ ilf_type(X1,relation_type(X2,X0))
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f123,f126]) ).

fof(f219,plain,
    ! [X0,X1,X2,X3] :
      ( inverse4(X2,X0,X1,X3) = inverse2(X1,X3)
      | ~ ilf_type(X1,relation_type(X2,X0))
      | ~ ilf_type(X0,set_type) ),
    inference(resolution,[status(thm)],[f218,f126]) ).

fof(f220,plain,
    ! [X0,X1,X2,X3] :
      ( inverse4(X1,X2,X0,X3) = inverse2(X0,X3)
      | ~ ilf_type(X0,relation_type(X1,X2)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f219,f126]) ).

fof(f221,plain,
    ! [X0,X1,X2,X3] :
      ( ilf_type(inverse4(X2,X0,X1,X3),subset_type(X2))
      | ~ ilf_type(X3,set_type)
      | ~ ilf_type(X1,relation_type(X2,X0))
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f125,f126]) ).

fof(f248,plain,
    ! [X0] : inverse4(sK11_skl,sK13_skl,sK14_skl,X0) = inverse2(sK14_skl,X0),
    inference(resolution,[status(thm)],[f220,f136]) ).

fof(f258,plain,
    ! [X0] :
      ( ~ relation_like(X0)
      | ilf_type(X0,binary_relation_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f176,f126]) ).

fof(f266,plain,
    ( ~ sQ4_spl
    | member(sK15_skl,inverse2(sK14_skl,sK12_skl)) ),
    inference(backward_demodulation,[status(thm)],[f248,f158]) ).

fof(f267,plain,
    ! [X0] :
      ( ilf_type(inverse2(sK14_skl,X0),subset_type(sK11_skl))
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(sK14_skl,relation_type(sK11_skl,sK13_skl))
      | ~ ilf_type(sK13_skl,set_type) ),
    inference(paramodulation,[status(thm)],[f248,f221]) ).

fof(f268,definition,
    ! [X0] :
      ( sQ15_spl
    <=> ( ilf_type(inverse2(sK14_skl,X0),subset_type(sK11_skl))
        | ~ ilf_type(X0,set_type) ) ),
    introduced(definition,[new_symbols(definition,[sQ15_spl])],[split_symbol_definition]) ).

fof(f271,plain,
    ( sQ15_spl
    | ~ sQ14_spl
    | ~ sQ9_spl ),
    inference(split_clause,[status(thm)],[f267,f190,f211,f268]) ).

fof(f273,plain,
    ( ~ sQ4_spl
    | member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),sK12_skl)
    | ~ ilf_type(sK14_skl,binary_relation_type)
    | ~ ilf_type(sK15_skl,set_type) ),
    inference(resolution,[status(thm)],[f266,f185]) ).

fof(f274,plain,
    ( ~ sQ4_spl
    | member(ordered_pair(sK15_skl,sK0_skl(sK14_skl,sK15_skl,sK12_skl)),sK14_skl)
    | ~ ilf_type(sK14_skl,binary_relation_type)
    | ~ ilf_type(sK15_skl,set_type) ),
    inference(resolution,[status(thm)],[f266,f184]) ).

fof(f275,definition,
    ( sQ16_spl
  <=> ilf_type(sK15_skl,set_type) ),
    introduced(definition,[new_symbols(definition,[sQ16_spl])],[split_symbol_definition]) ).

fof(f277,plain,
    ( sQ16_spl
    | ~ ilf_type(sK15_skl,set_type) ),
    inference(component_clause,[status(thm)],[f275]) ).

fof(f278,definition,
    ( sQ17_spl
  <=> ilf_type(sK14_skl,binary_relation_type) ),
    introduced(definition,[new_symbols(definition,[sQ17_spl])],[split_symbol_definition]) ).

fof(f280,plain,
    ( sQ17_spl
    | ~ ilf_type(sK14_skl,binary_relation_type) ),
    inference(component_clause,[status(thm)],[f278]) ).

fof(f281,definition,
    ( sQ18_spl
  <=> member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),sK12_skl) ),
    introduced(definition,[new_symbols(definition,[sQ18_spl])],[split_symbol_definition]) ).

fof(f284,plain,
    ( ~ sQ4_spl
    | sQ18_spl
    | ~ sQ17_spl
    | ~ sQ16_spl ),
    inference(split_clause,[status(thm)],[f273,f275,f278,f281,f157]) ).

fof(f285,definition,
    ( sQ19_spl
  <=> member(ordered_pair(sK15_skl,sK0_skl(sK14_skl,sK15_skl,sK12_skl)),sK14_skl) ),
    introduced(definition,[new_symbols(definition,[sQ19_spl])],[split_symbol_definition]) ).

fof(f286,plain,
    ( ~ sQ19_spl
    | member(ordered_pair(sK15_skl,sK0_skl(sK14_skl,sK15_skl,sK12_skl)),sK14_skl) ),
    inference(component_clause,[status(thm)],[f285]) ).

fof(f288,plain,
    ( ~ sQ4_spl
    | sQ19_spl
    | ~ sQ17_spl
    | ~ sQ16_spl ),
    inference(split_clause,[status(thm)],[f274,f275,f278,f285,f157]) ).

fof(f289,plain,
    ( sQ16_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f277,f126]) ).

fof(f290,plain,
    sQ16_spl,
    inference(contradiction_clause,[status(thm)],[f289]) ).

fof(f292,definition,
    ( sQ20_spl
  <=> empty(sK13_skl) ),
    introduced(definition,[new_symbols(definition,[sQ20_spl])],[split_symbol_definition]) ).

fof(f293,plain,
    ( ~ sQ20_spl
    | empty(sK13_skl) ),
    inference(component_clause,[status(thm)],[f292]) ).

fof(f299,plain,
    ( ~ sQ20_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f293,f134]) ).

fof(f300,plain,
    ~ sQ20_spl,
    inference(contradiction_clause,[status(thm)],[f299]) ).

fof(f301,plain,
    ( sQ17_spl
    | ~ relation_like(sK14_skl) ),
    inference(resolution,[status(thm)],[f280,f258]) ).

fof(f305,plain,
    ! [X0] :
      ( ~ sQ6_spl
      | ~ member(sK16_skl,X0)
      | ~ ilf_type(sK16_skl,set_type)
      | member(sK15_skl,inverse2(sK14_skl,X0))
      | ~ ilf_type(sK14_skl,binary_relation_type)
      | ~ ilf_type(sK15_skl,set_type) ),
    inference(resolution,[status(thm)],[f165,f186]) ).

fof(f309,definition,
    ! [X0] :
      ( sQ22_spl
    <=> ( ~ member(sK16_skl,X0)
        | member(sK15_skl,inverse2(sK14_skl,X0)) ) ),
    introduced(definition,[new_symbols(definition,[sQ22_spl])],[split_symbol_definition]) ).

fof(f310,plain,
    ! [X0] :
      ( ~ sQ22_spl
      | ~ member(sK16_skl,X0)
      | member(sK15_skl,inverse2(sK14_skl,X0)) ),
    inference(component_clause,[status(thm)],[f309]) ).

fof(f312,definition,
    ( sQ23_spl
  <=> ilf_type(sK16_skl,set_type) ),
    introduced(definition,[new_symbols(definition,[sQ23_spl])],[split_symbol_definition]) ).

fof(f314,plain,
    ( sQ23_spl
    | ~ ilf_type(sK16_skl,set_type) ),
    inference(component_clause,[status(thm)],[f312]) ).

fof(f315,plain,
    ( ~ sQ6_spl
    | ~ sQ23_spl
    | sQ22_spl
    | ~ sQ17_spl
    | ~ sQ16_spl ),
    inference(split_clause,[status(thm)],[f305,f275,f278,f309,f312,f164]) ).

fof(f324,plain,
    ( sQ23_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f314,f126]) ).

fof(f325,plain,
    sQ23_spl,
    inference(contradiction_clause,[status(thm)],[f324]) ).

fof(f343,plain,
    ( ~ sQ8_spl
    | ~ sQ19_spl
    | ~ member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),sK12_skl)
    | ~ ilf_type(sK0_skl(sK14_skl,sK15_skl,sK12_skl),member_type(sK13_skl)) ),
    inference(resolution,[status(thm)],[f286,f173]) ).

fof(f345,plain,
    ! [X0,X1] :
      ( ~ sQ19_spl
      | member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),X0)
      | ~ ilf_type(sK14_skl,relation_type(X1,X0))
      | ~ ilf_type(sK0_skl(sK14_skl,sK15_skl,sK12_skl),set_type)
      | ~ ilf_type(sK15_skl,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(resolution,[status(thm)],[f286,f178]) ).

fof(f347,definition,
    ( sQ26_spl
  <=> ilf_type(sK0_skl(sK14_skl,sK15_skl,sK12_skl),member_type(sK13_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ26_spl])],[split_symbol_definition]) ).

fof(f349,plain,
    ( sQ26_spl
    | ~ ilf_type(sK0_skl(sK14_skl,sK15_skl,sK12_skl),member_type(sK13_skl)) ),
    inference(component_clause,[status(thm)],[f347]) ).

fof(f350,plain,
    ( ~ sQ8_spl
    | ~ sQ19_spl
    | ~ sQ18_spl
    | ~ sQ26_spl ),
    inference(split_clause,[status(thm)],[f343,f347,f281,f285,f172]) ).

fof(f354,definition,
    ( sQ28_spl
  <=> ilf_type(sK0_skl(sK14_skl,sK15_skl,sK12_skl),set_type) ),
    introduced(definition,[new_symbols(definition,[sQ28_spl])],[split_symbol_definition]) ).

fof(f356,plain,
    ( sQ28_spl
    | ~ ilf_type(sK0_skl(sK14_skl,sK15_skl,sK12_skl),set_type) ),
    inference(component_clause,[status(thm)],[f354]) ).

fof(f358,definition,
    ! [X0,X1] :
      ( sQ29_spl
    <=> ( member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),X0)
        | ~ ilf_type(sK14_skl,relation_type(X1,X0))
        | ~ ilf_type(X0,set_type) ) ),
    introduced(definition,[new_symbols(definition,[sQ29_spl])],[split_symbol_definition]) ).

fof(f359,plain,
    ! [X0,X1] :
      ( ~ sQ29_spl
      | member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),X0)
      | ~ ilf_type(sK14_skl,relation_type(X1,X0))
      | ~ ilf_type(X0,set_type) ),
    inference(component_clause,[status(thm)],[f358]) ).

fof(f361,plain,
    ( ~ sQ19_spl
    | ~ sQ28_spl
    | ~ sQ16_spl
    | sQ29_spl ),
    inference(split_clause,[status(thm)],[f345,f358,f275,f354,f285]) ).

fof(f363,plain,
    ( sQ28_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f356,f126]) ).

fof(f364,plain,
    sQ28_spl,
    inference(contradiction_clause,[status(thm)],[f363]) ).

fof(f365,plain,
    ! [X0,X1] :
      ( ~ sQ29_spl
      | member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),X1)
      | ~ ilf_type(sK14_skl,relation_type(X0,X1)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f359,f126]) ).

fof(f394,plain,
    ! [X0,X1,X2] :
      ( relation_like(X1)
      | ~ ilf_type(X1,subset_type(cross_product(X2,X0)))
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f121,f126]) ).

fof(f395,plain,
    ! [X0,X1] :
      ( sQ17_spl
      | ~ ilf_type(sK14_skl,subset_type(cross_product(X1,X0)))
      | ~ ilf_type(X0,set_type) ),
    inference(resolution,[status(thm)],[f394,f301]) ).

fof(f396,plain,
    ! [X0,X1] :
      ( sQ17_spl
      | ~ ilf_type(sK14_skl,subset_type(cross_product(X0,X1))) ),
    inference(forward_subsumption_resolution,[status(thm)],[f395,f126]) ).

fof(f407,plain,
    ( ~ sQ10_spl
    | sQ17_spl
    | $false ),
    inference(backward_subsumption_resolution,[status(thm)],[f194,f396]) ).

fof(f408,plain,
    ( ~ sQ10_spl
    | sQ17_spl ),
    inference(contradiction_clause,[status(thm)],[f407]) ).

fof(f456,plain,
    ( sQ26_spl
    | ~ member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),sK13_skl)
    | empty(sK13_skl) ),
    inference(resolution,[status(thm)],[f349,f216]) ).

fof(f457,definition,
    ( sQ32_spl
  <=> member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),sK13_skl) ),
    introduced(definition,[new_symbols(definition,[sQ32_spl])],[split_symbol_definition]) ).

fof(f459,plain,
    ( sQ32_spl
    | ~ member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),sK13_skl) ),
    inference(component_clause,[status(thm)],[f457]) ).

fof(f460,plain,
    ( sQ26_spl
    | ~ sQ32_spl
    | sQ20_spl ),
    inference(split_clause,[status(thm)],[f456,f292,f457,f347]) ).

fof(f461,plain,
    ( sQ4_spl
    | ~ member(sK15_skl,inverse2(sK14_skl,sK12_skl)) ),
    inference(forward_demodulation,[status(thm)],[f248,f159]) ).

fof(f470,plain,
    ( sQ4_spl
    | ~ sQ22_spl
    | ~ member(sK16_skl,sK12_skl) ),
    inference(resolution,[status(thm)],[f310,f461]) ).

fof(f473,plain,
    ( sQ4_spl
    | ~ sQ22_spl
    | ~ sQ7_spl ),
    inference(split_clause,[status(thm)],[f470,f168,f309,f157]) ).

fof(f488,plain,
    ( ~ sQ29_spl
    | member(sK0_skl(sK14_skl,sK15_skl,sK12_skl),sK13_skl) ),
    inference(resolution,[status(thm)],[f365,f136]) ).

fof(f489,plain,
    ( ~ sQ29_spl
    | sQ32_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f488,f459]) ).

fof(f490,plain,
    ( ~ sQ29_spl
    | sQ32_spl ),
    inference(contradiction_clause,[status(thm)],[f489]) ).

fof(f491,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f148,f152,f156,f167,f171,f175,f181,f196,f198,f214,f271,f284,f288,f290,f300,f315,f325,f350,f361,f364,f408,f460,f473,f490]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SET686+3 : TPTP v9.3.1. Released v2.2.0.
% 0.00/0.04  % Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.35  % Computer : n014.cluster.edu
% 0.09/0.35  % Model    : x86_64 x86_64
% 0.09/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35  % Memory   : 8046.5625MB
% 0.09/0.35  % OS       : Linux 6.8.0-71-generic
% 0.09/0.35  % CPULimit : 300
% 0.09/0.35  % WCLimit  : 300
% 0.09/0.35  % DateTime : Mon Sep 21 05:32:35 UTC 2026
% 0.09/0.35  % CPUTime  : 
% 0.09/0.37  % Drodi V4.1.1
% 0.13/0.39  % Refutation found
% 0.13/0.39  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.13/0.39  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.43  % Elapsed time: 0.060665 seconds
% 0.13/0.43  % CPU time: 0.198095 seconds
% 0.13/0.43  % Total memory used: 84.797 MB
% 0.13/0.43  % Net memory used: 84.578 MB
%------------------------------------------------------------------------------