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Drodi---4.1.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : SET650+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 : n012.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 02:10:21 PM UTC 2026

% Result   : Theorem 0.02s 0.34s
% Output   : CNFRefutation 0.02s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   16
% Syntax   : Number of formulae    :   93 (   8 unt;   7 def)
%            Number of atoms       :  373 (   0 equ)
%            Maximal formula atoms :   10 (   4 avg)
%            Number of connectives :  477 ( 197   ~; 203   |;  34   &)
%                                         (  15 <=>;  28  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   12 (  11 usr;   8 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;   5 con; 0-2 aty)
%            Number of variables   :  176 ( 166   !;  10   ?)

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

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

fof(f8,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(f10,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( subset(B,C)
          <=> ! [D] :
                ( ilf_type(D,set_type)
               => ( member(D,B)
                 => member(D,C) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f13,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(f23,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(f26,axiom,
    ! [B] : ilf_type(B,set_type),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f27,conjecture,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,relation_type(B,C))
             => ( subset(range_of(D),C)
                & subset(domain_of(D),B) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f28,negated_conjecture,
    ~ ! [B] :
        ( ilf_type(B,set_type)
       => ! [C] :
            ( ilf_type(C,set_type)
           => ! [D] :
                ( ilf_type(D,relation_type(B,C))
               => ( subset(range_of(D),C)
                  & subset(domain_of(D),B) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f27]) ).

fof(f29,plain,
    ! [B] :
      ( ! [C] :
          ( ( member(B,domain_of(C))
          <=> ? [D] :
                ( member(ordered_pair(B,D),C)
                & ilf_type(D,set_type) ) )
          | ~ ilf_type(C,binary_relation_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f1]) ).

fof(f30,plain,
    ! [B] :
      ( ! [C] :
          ( ( ( ! [D] :
                  ( ~ member(ordered_pair(B,D),C)
                  | ~ ilf_type(D,set_type) )
              | member(B,domain_of(C)) )
            & ( ? [D] :
                  ( member(ordered_pair(B,D),C)
                  & ilf_type(D,set_type) )
              | ~ member(B,domain_of(C)) ) )
          | ~ ilf_type(C,binary_relation_type) )
      | ~ ilf_type(B,set_type) ),
    inference(NNF_transformation,[status(thm)],[f29]) ).

fof(f31,plain,
    ! [B] :
      ( ! [C] :
          ( ( ( ! [D] :
                  ( ~ member(ordered_pair(B,D),C)
                  | ~ ilf_type(D,set_type) )
              | member(B,domain_of(C)) )
            & ( ( member(ordered_pair(B,sK0_skl(C,B)),C)
                & ilf_type(sK0_skl(C,B),set_type) )
              | ~ member(B,domain_of(C)) ) )
          | ~ ilf_type(C,binary_relation_type) )
      | ~ ilf_type(B,set_type) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl]),skolemize(D,sK0_skl(C,B))],[f30]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( member(ordered_pair(X0,sK0_skl(X1,X0)),X1)
      | ~ member(X0,domain_of(X1))
      | ~ ilf_type(X1,binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f31]) ).

fof(f35,plain,
    ! [B] :
      ( ! [C] :
          ( ( member(B,range_of(C))
          <=> ? [D] :
                ( member(ordered_pair(D,B),C)
                & ilf_type(D,set_type) ) )
          | ~ ilf_type(C,binary_relation_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f2]) ).

fof(f36,plain,
    ! [B] :
      ( ! [C] :
          ( ( ( ! [D] :
                  ( ~ member(ordered_pair(D,B),C)
                  | ~ ilf_type(D,set_type) )
              | member(B,range_of(C)) )
            & ( ? [D] :
                  ( member(ordered_pair(D,B),C)
                  & ilf_type(D,set_type) )
              | ~ member(B,range_of(C)) ) )
          | ~ ilf_type(C,binary_relation_type) )
      | ~ ilf_type(B,set_type) ),
    inference(NNF_transformation,[status(thm)],[f35]) ).

fof(f37,plain,
    ! [B] :
      ( ! [C] :
          ( ( ( ! [D] :
                  ( ~ member(ordered_pair(D,B),C)
                  | ~ ilf_type(D,set_type) )
              | member(B,range_of(C)) )
            & ( ( member(ordered_pair(sK1_skl(C,B),B),C)
                & ilf_type(sK1_skl(C,B),set_type) )
              | ~ member(B,range_of(C)) ) )
          | ~ ilf_type(C,binary_relation_type) )
      | ~ ilf_type(B,set_type) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK1_skl]),skolemize(D,sK1_skl(C,B))],[f36]) ).

fof(f39,plain,
    ! [X0,X1] :
      ( member(ordered_pair(sK1_skl(X1,X0),X0),X1)
      | ~ member(X0,range_of(X1))
      | ~ ilf_type(X1,binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f37]) ).

fof(f41,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)],[f3]) ).

fof(f42,plain,
    ! [X0,X1,X2,X3,X4] :
      ( member(X2,X0)
      | ~ 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)],[f41]) ).

fof(f43,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)],[f41]) ).

fof(f60,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)],[f8]) ).

fof(f62,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)],[f60]) ).

fof(f66,plain,
    ! [B] :
      ( ! [C] :
          ( ( subset(B,C)
          <=> ! [D] :
                ( member(D,C)
                | ~ member(D,B)
                | ~ ilf_type(D,set_type) ) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f10]) ).

fof(f67,plain,
    ! [B] :
      ( ! [C] :
          ( ( ( ? [D] :
                  ( ~ member(D,C)
                  & member(D,B)
                  & ilf_type(D,set_type) )
              | subset(B,C) )
            & ( ! [D] :
                  ( member(D,C)
                  | ~ member(D,B)
                  | ~ ilf_type(D,set_type) )
              | ~ subset(B,C) ) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(NNF_transformation,[status(thm)],[f66]) ).

fof(f68,plain,
    ! [B] :
      ( ! [C] :
          ( ( ( ( ~ member(sK5_skl(C,B),C)
                & member(sK5_skl(C,B),B)
                & ilf_type(sK5_skl(C,B),set_type) )
              | subset(B,C) )
            & ( ! [D] :
                  ( member(D,C)
                  | ~ member(D,B)
                  | ~ ilf_type(D,set_type) )
              | ~ subset(B,C) ) )
          | ~ ilf_type(C,set_type) )
      | ~ ilf_type(B,set_type) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK5_skl]),skolemize(D,sK5_skl(C,B))],[f67]) ).

fof(f71,plain,
    ! [X0,X1] :
      ( member(sK5_skl(X1,X0),X0)
      | subset(X0,X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f68]) ).

fof(f72,plain,
    ! [X0,X1] :
      ( ~ member(sK5_skl(X1,X0),X1)
      | subset(X0,X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(thm)],[f68]) ).

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)],[f13]) ).

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(f119,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)],[f23]) ).

fof(f120,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)],[f119]) ).

fof(f129,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[status(thm)],[f26]) ).

fof(f130,plain,
    ? [B] :
      ( ? [C] :
          ( ? [D] :
              ( ( ~ subset(range_of(D),C)
                | ~ subset(domain_of(D),B) )
              & ilf_type(D,relation_type(B,C)) )
          & ilf_type(C,set_type) )
      & ilf_type(B,set_type) ),
    inference(pre_NNF_transformation,[status(thm)],[f28]) ).

fof(f131,plain,
    ( ( ~ subset(range_of(sK16_skl),sK15_skl)
      | ~ subset(domain_of(sK16_skl),sK14_skl) )
    & ilf_type(sK16_skl,relation_type(sK14_skl,sK15_skl))
    & ilf_type(sK15_skl,set_type)
    & ilf_type(sK14_skl,set_type) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK14_skl,sK15_skl,sK16_skl]),skolemize(B,sK14_skl),skolemize(C,sK15_skl),skolemize(D,sK16_skl)],[f130]) ).

fof(f134,plain,
    ilf_type(sK16_skl,relation_type(sK14_skl,sK15_skl)),
    inference(cnf_transformation,[status(thm)],[f131]) ).

fof(f135,plain,
    ( ~ subset(range_of(sK16_skl),sK15_skl)
    | ~ subset(domain_of(sK16_skl),sK14_skl) ),
    inference(cnf_transformation,[status(thm)],[f131]) ).

fof(f136,definition,
    ( sQ0_spl
  <=> subset(domain_of(sK16_skl),sK14_skl) ),
    introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition]) ).

fof(f139,definition,
    ( sQ1_spl
  <=> subset(range_of(sK16_skl),sK15_skl) ),
    introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition]) ).

fof(f142,plain,
    ( ~ sQ1_spl
    | ~ sQ0_spl ),
    inference(split_clause,[status(thm)],[f135,f136,f139]) ).

fof(f143,plain,
    ! [X0] :
      ( ~ relation_like(X0)
      | ilf_type(X0,binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(duplicate_literals_removal,[status(thm)],[f81]) ).

fof(f152,plain,
    ! [X0,X1,X2,X3,X4] :
      ( member(X1,X4)
      | ~ 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)],[f42,f129]) ).

fof(f153,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)],[f43,f129]) ).

fof(f156,plain,
    ! [X0,X1] :
      ( member(ordered_pair(X1,sK0_skl(X0,X1)),X0)
      | ~ member(X1,domain_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f33,f129]) ).

fof(f158,plain,
    ! [X0,X1,X2,X3] :
      ( member(X1,X3)
      | ~ ilf_type(X0,relation_type(X3,X2))
      | ~ ilf_type(sK0_skl(X0,X1),set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X2,set_type)
      | ~ member(X1,domain_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(resolution,[status(thm)],[f156,f152]) ).

fof(f162,plain,
    ! [X0,X1,X2,X3] :
      ( member(X1,X2)
      | ~ ilf_type(X0,relation_type(X2,X3))
      | ~ ilf_type(sK0_skl(X0,X1),set_type)
      | ~ ilf_type(X1,set_type)
      | ~ member(X1,domain_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f158,f129]) ).

fof(f167,plain,
    ! [X0] :
      ( ~ relation_like(X0)
      | ilf_type(X0,binary_relation_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f143,f129]) ).

fof(f192,plain,
    ! [X0,X1] :
      ( member(ordered_pair(sK1_skl(X0,X1),X1),X0)
      | ~ member(X1,range_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f39,f129]) ).

fof(f193,plain,
    ! [X0,X1,X2,X3] :
      ( member(X1,X2)
      | ~ ilf_type(X0,relation_type(X3,X2))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(sK1_skl(X0,X1),set_type)
      | ~ ilf_type(X2,set_type)
      | ~ member(X1,range_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(resolution,[status(thm)],[f192,f153]) ).

fof(f199,plain,
    ! [X0,X1,X2,X3] :
      ( member(X1,X3)
      | ~ ilf_type(X0,relation_type(X2,X3))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(sK1_skl(X0,X1),set_type)
      | ~ member(X1,range_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f193,f129]) ).

fof(f265,plain,
    ! [X0,X1,X2,X3] :
      ( member(X1,X2)
      | ~ ilf_type(X0,relation_type(X2,X3))
      | ~ ilf_type(sK0_skl(X0,X1),set_type)
      | ~ member(X1,domain_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f162,f129]) ).

fof(f266,plain,
    ! [X0,X1,X2,X3] :
      ( member(X1,X2)
      | ~ ilf_type(X0,relation_type(X2,X3))
      | ~ member(X1,domain_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(resolution,[status(thm)],[f265,f129]) ).

fof(f267,plain,
    ! [X0,X1,X2,X3] :
      ( member(X1,X3)
      | ~ ilf_type(X0,relation_type(X2,X3))
      | ~ ilf_type(X1,set_type)
      | ~ member(X1,range_of(X0))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f199,f129]) ).

fof(f268,plain,
    ! [X0] :
      ( member(X0,sK15_skl)
      | ~ ilf_type(X0,set_type)
      | ~ member(X0,range_of(sK16_skl))
      | ~ ilf_type(sK16_skl,binary_relation_type) ),
    inference(resolution,[status(thm)],[f267,f134]) ).

fof(f269,definition,
    ( sQ5_spl
  <=> ilf_type(sK16_skl,binary_relation_type) ),
    introduced(definition,[new_symbols(definition,[sQ5_spl])],[split_symbol_definition]) ).

fof(f271,plain,
    ( sQ5_spl
    | ~ ilf_type(sK16_skl,binary_relation_type) ),
    inference(component_clause,[status(thm)],[f269]) ).

fof(f272,definition,
    ! [X0] :
      ( sQ6_spl
    <=> ( member(X0,sK15_skl)
        | ~ ilf_type(X0,set_type)
        | ~ member(X0,range_of(sK16_skl)) ) ),
    introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).

fof(f273,plain,
    ! [X0] :
      ( ~ sQ6_spl
      | member(X0,sK15_skl)
      | ~ ilf_type(X0,set_type)
      | ~ member(X0,range_of(sK16_skl)) ),
    inference(component_clause,[status(thm)],[f272]) ).

fof(f275,plain,
    ( sQ6_spl
    | ~ sQ5_spl ),
    inference(split_clause,[status(thm)],[f268,f269,f272]) ).

fof(f276,plain,
    ( sQ5_spl
    | ~ relation_like(sK16_skl) ),
    inference(resolution,[status(thm)],[f271,f167]) ).

fof(f280,plain,
    ! [X0,X1] :
      ( member(sK5_skl(X0,X1),X1)
      | subset(X1,X0)
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f71,f129]) ).

fof(f395,plain,
    ! [X0] :
      ( member(X0,sK14_skl)
      | ~ member(X0,domain_of(sK16_skl))
      | ~ ilf_type(sK16_skl,binary_relation_type) ),
    inference(resolution,[status(thm)],[f266,f134]) ).

fof(f397,definition,
    ! [X0] :
      ( sQ10_spl
    <=> ( member(X0,sK14_skl)
        | ~ member(X0,domain_of(sK16_skl)) ) ),
    introduced(definition,[new_symbols(definition,[sQ10_spl])],[split_symbol_definition]) ).

fof(f398,plain,
    ! [X0] :
      ( ~ sQ10_spl
      | member(X0,sK14_skl)
      | ~ member(X0,domain_of(sK16_skl)) ),
    inference(component_clause,[status(thm)],[f397]) ).

fof(f400,plain,
    ( sQ10_spl
    | ~ sQ5_spl ),
    inference(split_clause,[status(thm)],[f395,f269,f397]) ).

fof(f451,plain,
    ! [X0,X1] :
      ( ~ member(sK5_skl(X0,X1),X0)
      | subset(X1,X0)
      | ~ ilf_type(X0,set_type) ),
    inference(forward_subsumption_resolution,[status(thm)],[f72,f129]) ).

fof(f454,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)],[f120,f129]) ).

fof(f561,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)],[f62,f129]) ).

fof(f563,plain,
    ! [X0,X1,X2] :
      ( relation_like(X1)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,relation_type(X2,X0))
      | ~ ilf_type(X0,set_type) ),
    inference(resolution,[status(thm)],[f561,f454]) ).

fof(f564,plain,
    ! [X0,X1,X2] :
      ( relation_like(X1)
      | ~ ilf_type(X1,relation_type(X2,X0))
      | ~ ilf_type(X0,set_type) ),
    inference(duplicate_literals_removal,[status(thm)],[f563]) ).

fof(f565,plain,
    ! [X0,X1,X2] :
      ( relation_like(X0)
      | ~ ilf_type(X0,relation_type(X1,X2)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f564,f129]) ).

fof(f568,plain,
    relation_like(sK16_skl),
    inference(resolution,[status(thm)],[f565,f134]) ).

fof(f570,plain,
    ( sQ5_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f568,f276]) ).

fof(f571,plain,
    sQ5_spl,
    inference(contradiction_clause,[status(thm)],[f570]) ).

fof(f572,plain,
    ! [X0] :
      ( ~ sQ6_spl
      | member(X0,sK15_skl)
      | ~ member(X0,range_of(sK16_skl)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f273,f129]) ).

fof(f578,plain,
    ! [X0] :
      ( ~ sQ6_spl
      | subset(range_of(sK16_skl),X0)
      | ~ ilf_type(X0,set_type)
      | member(sK5_skl(X0,range_of(sK16_skl)),sK15_skl) ),
    inference(resolution,[status(thm)],[f572,f280]) ).

fof(f590,plain,
    ! [X0] :
      ( ~ sQ6_spl
      | subset(range_of(sK16_skl),X0)
      | member(sK5_skl(X0,range_of(sK16_skl)),sK15_skl) ),
    inference(forward_subsumption_resolution,[status(thm)],[f578,f129]) ).

fof(f631,plain,
    ! [X0] :
      ( ~ sQ10_spl
      | subset(domain_of(sK16_skl),X0)
      | ~ ilf_type(X0,set_type)
      | member(sK5_skl(X0,domain_of(sK16_skl)),sK14_skl) ),
    inference(resolution,[status(thm)],[f398,f280]) ).

fof(f643,plain,
    ! [X0] :
      ( ~ sQ10_spl
      | subset(domain_of(sK16_skl),X0)
      | member(sK5_skl(X0,domain_of(sK16_skl)),sK14_skl) ),
    inference(forward_subsumption_resolution,[status(thm)],[f631,f129]) ).

fof(f685,plain,
    ( ~ sQ6_spl
    | subset(range_of(sK16_skl),sK15_skl)
    | ~ ilf_type(sK15_skl,set_type)
    | subset(range_of(sK16_skl),sK15_skl) ),
    inference(resolution,[status(thm)],[f590,f451]) ).

fof(f686,definition,
    ( sQ44_spl
  <=> ilf_type(sK15_skl,set_type) ),
    introduced(definition,[new_symbols(definition,[sQ44_spl])],[split_symbol_definition]) ).

fof(f688,plain,
    ( sQ44_spl
    | ~ ilf_type(sK15_skl,set_type) ),
    inference(component_clause,[status(thm)],[f686]) ).

fof(f689,plain,
    ( ~ sQ6_spl
    | ~ sQ44_spl
    | sQ1_spl ),
    inference(split_clause,[status(thm)],[f685,f139,f686,f272]) ).

fof(f691,plain,
    ( ~ sQ10_spl
    | subset(domain_of(sK16_skl),sK14_skl)
    | ~ ilf_type(sK14_skl,set_type)
    | subset(domain_of(sK16_skl),sK14_skl) ),
    inference(resolution,[status(thm)],[f643,f451]) ).

fof(f692,definition,
    ( sQ45_spl
  <=> ilf_type(sK14_skl,set_type) ),
    introduced(definition,[new_symbols(definition,[sQ45_spl])],[split_symbol_definition]) ).

fof(f694,plain,
    ( sQ45_spl
    | ~ ilf_type(sK14_skl,set_type) ),
    inference(component_clause,[status(thm)],[f692]) ).

fof(f695,plain,
    ( ~ sQ10_spl
    | ~ sQ45_spl
    | sQ0_spl ),
    inference(split_clause,[status(thm)],[f691,f136,f692,f397]) ).

fof(f696,plain,
    ( sQ44_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f688,f129]) ).

fof(f697,plain,
    sQ44_spl,
    inference(contradiction_clause,[status(thm)],[f696]) ).

fof(f698,plain,
    ( sQ45_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f694,f129]) ).

fof(f699,plain,
    sQ45_spl,
    inference(contradiction_clause,[status(thm)],[f698]) ).

fof(f700,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f142,f275,f400,f571,f689,f695,f697,f699]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01  % Problem  : SET650+3 : TPTP v9.3.1. Released v2.2.0.
% 0.00/0.02  % Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.02/0.30  % Computer : n012.cluster.edu
% 0.02/0.30  % Model    : x86_64 x86_64
% 0.02/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.02/0.30  % Memory   : 8046.5625MB
% 0.02/0.30  % OS       : Linux 6.8.0-71-generic
% 0.02/0.30  % CPULimit : 300
% 0.02/0.30  % WCLimit  : 300
% 0.02/0.30  % DateTime : Mon Sep 21 05:31:23 UTC 2026
% 0.02/0.30  % CPUTime  : 
% 0.02/0.31  % Drodi V4.1.1
% 0.02/0.34  % Refutation found
% 0.02/0.34  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.02/0.34  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.09/0.36  % Elapsed time: 0.055120 seconds
% 0.09/0.36  % CPU time: 0.190191 seconds
% 0.09/0.36  % Total memory used: 79.822 MB
% 0.09/0.36  % Net memory used: 79.626 MB
%------------------------------------------------------------------------------