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Drodi---4.1.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : SEU195+2 : TPTP v9.3.1. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n005.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 02:19:37 PM UTC 2026

% Result   : Theorem 0.13s 0.68s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   78
% Syntax   : Number of formulae    :  344 (  46 unt;  53 def)
%            Number of atoms       : 1333 ( 303 equ)
%            Maximal formula atoms :   20 (   3 avg)
%            Number of connectives : 1618 ( 629   ~; 700   |; 162   &)
%                                         ( 100 <=>;  27  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   5 avg)
%            Maximal term depth    :    6 (   1 avg)
%            Number of predicates  :   60 (  58 usr;  54 prp; 0-2 aty)
%            Number of functors    :   41 (  41 usr;   3 con; 0-5 aty)
%            Number of variables   :  640 ( 578   !;  62   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B] :
      ( in(A,B)
     => ~ in(B,A) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [A,B] : unordered_pair(A,B) = unordered_pair(B,A),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [A,B] :
      ( relation(B)
     => ( B = identity_relation(A)
      <=> ! [C,D] :
            ( in(ordered_pair(C,D),B)
          <=> ( C = D
              & in(C,A) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [A] :
      ( relation(A)
     => ! [B,C] :
          ( relation(C)
         => ( C = relation_dom_restriction(A,B)
          <=> ! [D,E] :
                ( in(ordered_pair(D,E),C)
              <=> ( in(ordered_pair(D,E),A)
                  & in(D,B) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f11,axiom,
    ! [A,B] :
      ( ( A = empty_set
       => ( B = set_meet(A)
        <=> B = empty_set ) )
      & ( A != empty_set
       => ( B = set_meet(A)
        <=> ! [C] :
              ( in(C,B)
            <=> ! [D] :
                  ( in(D,A)
                 => in(C,D) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [A,B] :
      ( B = singleton(A)
    <=> ! [C] :
          ( in(C,B)
        <=> C = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f13,axiom,
    ! [A] :
      ( A = empty_set
    <=> ! [B] : ~ in(B,A) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f15,axiom,
    ! [A] :
      ( relation(A)
     => ! [B] :
          ( relation(B)
         => ( A = B
          <=> ! [C,D] :
                ( in(ordered_pair(C,D),A)
              <=> in(ordered_pair(C,D),B) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f16,axiom,
    ! [A,B] :
      ( ( empty(A)
       => ( element(B,A)
        <=> empty(B) ) )
      & ( ~ empty(A)
       => ( element(B,A)
        <=> in(B,A) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f17,axiom,
    ! [A,B,C] :
      ( C = unordered_pair(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( D = B
            | D = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f20,axiom,
    ! [A] :
      ( relation(A)
     => ! [B] :
          ( relation(B)
         => ( subset(A,B)
          <=> ! [C,D] :
                ( in(ordered_pair(C,D),A)
               => in(ordered_pair(C,D),B) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f23,axiom,
    ! [A] :
      ( relation(A)
     => ! [B] :
          ( B = relation_dom(A)
        <=> ! [C] :
              ( in(C,B)
            <=> ? [D] : in(ordered_pair(C,D),A) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f27,axiom,
    ! [A] :
      ( relation(A)
     => ! [B] :
          ( B = relation_rng(A)
        <=> ! [C] :
              ( in(C,B)
            <=> ? [D] : in(ordered_pair(D,C),A) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f31,axiom,
    ! [A] :
      ( relation(A)
     => ! [B] :
          ( relation(B)
         => ( B = relation_inverse(A)
          <=> ! [C,D] :
                ( in(ordered_pair(C,D),B)
              <=> in(ordered_pair(D,C),A) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f33,axiom,
    ! [A] :
      ( relation(A)
     => ! [B] :
          ( relation(B)
         => ! [C] :
              ( relation(C)
             => ( C = relation_composition(A,B)
              <=> ! [D,E] :
                    ( in(ordered_pair(D,E),C)
                  <=> ? [F] :
                        ( in(ordered_pair(F,E),B)
                        & in(ordered_pair(D,F),A) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f53,axiom,
    ! [A,B] :
      ( ( relation(B)
        & relation(A) )
     => relation(relation_composition(A,B)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f55,axiom,
    ! [A] : relation(identity_relation(A)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f66,axiom,
    ! [A,B] : ~ empty(ordered_pair(A,B)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f68,axiom,
    ! [A] : ~ empty(singleton(A)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f72,axiom,
    ( relation(empty_set)
    & empty(empty_set) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f109,lemma,
    ! [A,B,C,D] :
      ~ ( A != D
        & A != C
        & unordered_pair(A,B) = unordered_pair(C,D) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f160,lemma,
    ! [A] :
      ( relation(A)
     => ( ! [B,C] : ~ in(ordered_pair(B,C),A)
       => A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f168,lemma,
    ! [A] : unordered_pair(A,A) = singleton(A),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f172,lemma,
    ! [A,B,C,D] :
      ( relation(D)
     => ( in(ordered_pair(A,B),relation_composition(identity_relation(C),D))
      <=> ( in(ordered_pair(A,B),D)
          & in(A,C) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f183,conjecture,
    ! [A,B] :
      ( relation(B)
     => relation_dom_restriction(B,A) = relation_composition(identity_relation(A),B) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f184,negated_conjecture,
    ~ ! [A,B] :
        ( relation(B)
       => relation_dom_restriction(B,A) = relation_composition(identity_relation(A),B) ),
    inference(negated_conjecture,[status(cth)],[f183]) ).

fof(f188,plain,
    ! [A,B] :
      ( ~ in(B,A)
      | ~ in(A,B) ),
    inference(pre_NNF_transformation,[status(thm)],[f1]) ).

fof(f189,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[status(thm)],[f188]) ).

fof(f194,plain,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[status(thm)],[f4]) ).

fof(f197,plain,
    ! [A,B] :
      ( ( B = identity_relation(A)
      <=> ! [C,D] :
            ( in(ordered_pair(C,D),B)
          <=> ( C = D
              & in(C,A) ) ) )
      | ~ relation(B) ),
    inference(pre_NNF_transformation,[status(thm)],[f7]) ).

fof(f198,plain,
    ! [A,B] :
      ( ( ( ? [C,D] :
              ( ( ( C = D
                  & in(C,A) )
                | in(ordered_pair(C,D),B) )
              & ( C != D
                | ~ in(C,A)
                | ~ in(ordered_pair(C,D),B) ) )
          | B = identity_relation(A) )
        & ( ! [C,D] :
              ( ( C != D
                | ~ in(C,A)
                | in(ordered_pair(C,D),B) )
              & ( ( C = D
                  & in(C,A) )
                | ~ in(ordered_pair(C,D),B) ) )
          | B != identity_relation(A) ) )
      | ~ relation(B) ),
    inference(NNF_transformation,[status(thm)],[f197]) ).

fof(f199,plain,
    ! [B] :
      ( ( ! [A] :
            ( ? [C,D] :
                ( ( ( C = D
                    & in(C,A) )
                  | in(ordered_pair(C,D),B) )
                & ( C != D
                  | ~ in(C,A)
                  | ~ in(ordered_pair(C,D),B) ) )
            | B = identity_relation(A) )
        & ! [A] :
            ( ( ! [C,D] :
                  ( C != D
                  | ~ in(C,A)
                  | in(ordered_pair(C,D),B) )
              & ! [C,D] :
                  ( ( C = D
                    & in(C,A) )
                  | ~ in(ordered_pair(C,D),B) ) )
            | B != identity_relation(A) ) )
      | ~ relation(B) ),
    inference(miniscoping,[status(thm)],[f198]) ).

fof(f200,plain,
    ! [B] :
      ( ( ! [A] :
            ( ( ( ( sK0_skl(A,B) = sK1_skl(A,B)
                  & in(sK0_skl(A,B),A) )
                | in(ordered_pair(sK0_skl(A,B),sK1_skl(A,B)),B) )
              & ( sK0_skl(A,B) != sK1_skl(A,B)
                | ~ in(sK0_skl(A,B),A)
                | ~ in(ordered_pair(sK0_skl(A,B),sK1_skl(A,B)),B) ) )
            | B = identity_relation(A) )
        & ! [A] :
            ( ( ! [C,D] :
                  ( C != D
                  | ~ in(C,A)
                  | in(ordered_pair(C,D),B) )
              & ! [C,D] :
                  ( ( C = D
                    & in(C,A) )
                  | ~ in(ordered_pair(C,D),B) ) )
            | B != identity_relation(A) ) )
      | ~ relation(B) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl,sK1_skl]),skolemize(C,sK0_skl(A,B)),skolemize(D,sK1_skl(A,B))],[f199]) ).

fof(f201,plain,
    ! [X0,X1,X2,X3] :
      ( in(X2,X1)
      | ~ in(ordered_pair(X2,X3),X0)
      | X0 != identity_relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f200]) ).

fof(f205,plain,
    ! [X0,X1] :
      ( in(sK0_skl(X1,X0),X1)
      | in(ordered_pair(sK0_skl(X1,X0),sK1_skl(X1,X0)),X0)
      | X0 = identity_relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f200]) ).

fof(f206,plain,
    ! [X0,X1] :
      ( sK0_skl(X1,X0) = sK1_skl(X1,X0)
      | in(ordered_pair(sK0_skl(X1,X0),sK1_skl(X1,X0)),X0)
      | X0 = identity_relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f200]) ).

fof(f212,plain,
    ! [A] :
      ( ! [B,C] :
          ( ( C = relation_dom_restriction(A,B)
          <=> ! [D,E] :
                ( in(ordered_pair(D,E),C)
              <=> ( in(ordered_pair(D,E),A)
                  & in(D,B) ) ) )
          | ~ relation(C) )
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f9]) ).

fof(f213,plain,
    ! [A] :
      ( ! [B,C] :
          ( ( ( ? [D,E] :
                  ( ( ( in(ordered_pair(D,E),A)
                      & in(D,B) )
                    | in(ordered_pair(D,E),C) )
                  & ( ~ in(ordered_pair(D,E),A)
                    | ~ in(D,B)
                    | ~ in(ordered_pair(D,E),C) ) )
              | C = relation_dom_restriction(A,B) )
            & ( ! [D,E] :
                  ( ( ~ in(ordered_pair(D,E),A)
                    | ~ in(D,B)
                    | in(ordered_pair(D,E),C) )
                  & ( ( in(ordered_pair(D,E),A)
                      & in(D,B) )
                    | ~ in(ordered_pair(D,E),C) ) )
              | C != relation_dom_restriction(A,B) ) )
          | ~ relation(C) )
      | ~ relation(A) ),
    inference(NNF_transformation,[status(thm)],[f212]) ).

fof(f214,plain,
    ! [A] :
      ( ! [C] :
          ( ( ! [B] :
                ( ? [D,E] :
                    ( ( ( in(ordered_pair(D,E),A)
                        & in(D,B) )
                      | in(ordered_pair(D,E),C) )
                    & ( ~ in(ordered_pair(D,E),A)
                      | ~ in(D,B)
                      | ~ in(ordered_pair(D,E),C) ) )
                | C = relation_dom_restriction(A,B) )
            & ! [B] :
                ( ( ! [D,E] :
                      ( ~ in(ordered_pair(D,E),A)
                      | ~ in(D,B)
                      | in(ordered_pair(D,E),C) )
                  & ! [D,E] :
                      ( ( in(ordered_pair(D,E),A)
                        & in(D,B) )
                      | ~ in(ordered_pair(D,E),C) ) )
                | C != relation_dom_restriction(A,B) ) )
          | ~ relation(C) )
      | ~ relation(A) ),
    inference(miniscoping,[status(thm)],[f213]) ).

fof(f215,plain,
    ! [A] :
      ( ! [C] :
          ( ( ! [B] :
                ( ( ( ( in(ordered_pair(sK2_skl(B,C,A),sK3_skl(B,C,A)),A)
                      & in(sK2_skl(B,C,A),B) )
                    | in(ordered_pair(sK2_skl(B,C,A),sK3_skl(B,C,A)),C) )
                  & ( ~ in(ordered_pair(sK2_skl(B,C,A),sK3_skl(B,C,A)),A)
                    | ~ in(sK2_skl(B,C,A),B)
                    | ~ in(ordered_pair(sK2_skl(B,C,A),sK3_skl(B,C,A)),C) ) )
                | C = relation_dom_restriction(A,B) )
            & ! [B] :
                ( ( ! [D,E] :
                      ( ~ in(ordered_pair(D,E),A)
                      | ~ in(D,B)
                      | in(ordered_pair(D,E),C) )
                  & ! [D,E] :
                      ( ( in(ordered_pair(D,E),A)
                        & in(D,B) )
                      | ~ in(ordered_pair(D,E),C) ) )
                | C != relation_dom_restriction(A,B) ) )
          | ~ relation(C) )
      | ~ relation(A) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK2_skl,sK3_skl]),skolemize(D,sK2_skl(B,C,A)),skolemize(E,sK3_skl(B,C,A))],[f214]) ).

fof(f219,plain,
    ! [X0,X1,X2] :
      ( ~ in(ordered_pair(sK2_skl(X2,X1,X0),sK3_skl(X2,X1,X0)),X0)
      | ~ in(sK2_skl(X2,X1,X0),X2)
      | ~ in(ordered_pair(sK2_skl(X2,X1,X0),sK3_skl(X2,X1,X0)),X1)
      | X1 = relation_dom_restriction(X0,X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f215]) ).

fof(f220,plain,
    ! [X0,X1,X2] :
      ( in(sK2_skl(X2,X1,X0),X2)
      | in(ordered_pair(sK2_skl(X2,X1,X0),sK3_skl(X2,X1,X0)),X1)
      | X1 = relation_dom_restriction(X0,X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f215]) ).

fof(f221,plain,
    ! [X0,X1,X2] :
      ( in(ordered_pair(sK2_skl(X2,X1,X0),sK3_skl(X2,X1,X0)),X0)
      | in(ordered_pair(sK2_skl(X2,X1,X0),sK3_skl(X2,X1,X0)),X1)
      | X1 = relation_dom_restriction(X0,X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f215]) ).

fof(f229,plain,
    ! [A,B] :
      ( ( ( B = set_meet(A)
        <=> B = empty_set )
        | A != empty_set )
      & ( ( B = set_meet(A)
        <=> ! [C] :
              ( in(C,B)
            <=> ! [D] :
                  ( in(C,D)
                  | ~ in(D,A) ) ) )
        | A = empty_set ) ),
    inference(pre_NNF_transformation,[status(thm)],[f11]) ).

fof(f230,plain,
    ! [A,B] :
      ( ( ( ( B != empty_set
            | B = set_meet(A) )
          & ( B = empty_set
            | B != set_meet(A) ) )
        | A != empty_set )
      & ( ( ( ? [C] :
                ( ( ! [D] :
                      ( in(C,D)
                      | ~ in(D,A) )
                  | in(C,B) )
                & ( ? [D] :
                      ( ~ in(C,D)
                      & in(D,A) )
                  | ~ in(C,B) ) )
            | B = set_meet(A) )
          & ( ! [C] :
                ( ( ? [D] :
                      ( ~ in(C,D)
                      & in(D,A) )
                  | in(C,B) )
                & ( ! [D] :
                      ( in(C,D)
                      | ~ in(D,A) )
                  | ~ in(C,B) ) )
            | B != set_meet(A) ) )
        | A = empty_set ) ),
    inference(NNF_transformation,[status(thm)],[f229]) ).

fof(f231,plain,
    ( ! [A] :
        ( ( ! [B] :
              ( B != empty_set
              | B = set_meet(A) )
          & ! [B] :
              ( B = empty_set
              | B != set_meet(A) ) )
        | A != empty_set )
    & ! [A] :
        ( ( ! [B] :
              ( ? [C] :
                  ( ( ! [D] :
                        ( in(C,D)
                        | ~ in(D,A) )
                    | in(C,B) )
                  & ( ? [D] :
                        ( ~ in(C,D)
                        & in(D,A) )
                    | ~ in(C,B) ) )
              | B = set_meet(A) )
          & ! [B] :
              ( ( ! [C] :
                    ( ? [D] :
                        ( ~ in(C,D)
                        & in(D,A) )
                    | in(C,B) )
                & ! [C] :
                    ( ! [D] :
                        ( in(C,D)
                        | ~ in(D,A) )
                    | ~ in(C,B) ) )
              | B != set_meet(A) ) )
        | A = empty_set ) ),
    inference(miniscoping,[status(thm)],[f230]) ).

fof(f232,plain,
    ( ! [A] :
        ( ( ! [B] :
              ( B != empty_set
              | B = set_meet(A) )
          & ! [B] :
              ( B = empty_set
              | B != set_meet(A) ) )
        | A != empty_set )
    & ! [A] :
        ( ( ! [B] :
              ( ( ( ! [D] :
                      ( in(sK8_skl(B,A),D)
                      | ~ in(D,A) )
                  | in(sK8_skl(B,A),B) )
                & ( ( ~ in(sK8_skl(B,A),sK9_skl(B,A))
                    & in(sK9_skl(B,A),A) )
                  | ~ in(sK8_skl(B,A),B) ) )
              | B = set_meet(A) )
          & ! [B] :
              ( ( ! [C] :
                    ( ( ~ in(C,sK7_skl(C,B,A))
                      & in(sK7_skl(C,B,A),A) )
                    | in(C,B) )
                & ! [C] :
                    ( ! [D] :
                        ( in(C,D)
                        | ~ in(D,A) )
                    | ~ in(C,B) ) )
              | B != set_meet(A) ) )
        | A = empty_set ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK7_skl,sK8_skl,sK9_skl]),skolemize(D,sK7_skl(C,B,A)),skolemize(C,sK8_skl(B,A)),skolemize(D,sK9_skl(B,A))],[f231]) ).

fof(f239,plain,
    ! [X0,X1] :
      ( X1 = empty_set
      | X1 != set_meet(X0)
      | X0 != empty_set ),
    inference(cnf_transformation,[status(thm)],[f232]) ).

fof(f241,plain,
    ! [A,B] :
      ( ( ? [C] :
            ( ( C = A
              | in(C,B) )
            & ( C != A
              | ~ in(C,B) ) )
        | B = singleton(A) )
      & ( ! [C] :
            ( ( C != A
              | in(C,B) )
            & ( C = A
              | ~ in(C,B) ) )
        | B != singleton(A) ) ),
    inference(NNF_transformation,[status(thm)],[f12]) ).

fof(f242,plain,
    ( ! [A,B] :
        ( ? [C] :
            ( ( C = A
              | in(C,B) )
            & ( C != A
              | ~ in(C,B) ) )
        | B = singleton(A) )
    & ! [A,B] :
        ( ( ! [C] :
              ( C != A
              | in(C,B) )
          & ! [C] :
              ( C = A
              | ~ in(C,B) ) )
        | B != singleton(A) ) ),
    inference(miniscoping,[status(thm)],[f241]) ).

fof(f243,plain,
    ( ! [A,B] :
        ( ( ( sK10_skl(B,A) = A
            | in(sK10_skl(B,A),B) )
          & ( sK10_skl(B,A) != A
            | ~ in(sK10_skl(B,A),B) ) )
        | B = singleton(A) )
    & ! [A,B] :
        ( ( ! [C] :
              ( C != A
              | in(C,B) )
          & ! [C] :
              ( C = A
              | ~ in(C,B) ) )
        | B != singleton(A) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK10_skl]),skolemize(C,sK10_skl(B,A))],[f242]) ).

fof(f244,plain,
    ! [X0,X1,X2] :
      ( X2 = X1
      | ~ in(X2,X0)
      | X0 != singleton(X1) ),
    inference(cnf_transformation,[status(thm)],[f243]) ).

fof(f248,plain,
    ! [A] :
      ( ( ? [B] : in(B,A)
        | A = empty_set )
      & ( ! [B] : ~ in(B,A)
        | A != empty_set ) ),
    inference(NNF_transformation,[status(thm)],[f13]) ).

fof(f249,plain,
    ( ! [A] :
        ( ? [B] : in(B,A)
        | A = empty_set )
    & ! [A] :
        ( ! [B] : ~ in(B,A)
        | A != empty_set ) ),
    inference(miniscoping,[status(thm)],[f248]) ).

fof(f250,plain,
    ( ! [A] :
        ( in(sK11_skl(A),A)
        | A = empty_set )
    & ! [A] :
        ( ! [B] : ~ in(B,A)
        | A != empty_set ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK11_skl]),skolemize(B,sK11_skl(A))],[f249]) ).

fof(f251,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | X0 != empty_set ),
    inference(cnf_transformation,[status(thm)],[f250]) ).

fof(f260,plain,
    ! [A] :
      ( ! [B] :
          ( ( A = B
          <=> ! [C,D] :
                ( in(ordered_pair(C,D),A)
              <=> in(ordered_pair(C,D),B) ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f15]) ).

fof(f261,plain,
    ! [A] :
      ( ! [B] :
          ( ( ( ? [C,D] :
                  ( ( in(ordered_pair(C,D),B)
                    | in(ordered_pair(C,D),A) )
                  & ( ~ in(ordered_pair(C,D),B)
                    | ~ in(ordered_pair(C,D),A) ) )
              | A = B )
            & ( ! [C,D] :
                  ( ( ~ in(ordered_pair(C,D),B)
                    | in(ordered_pair(C,D),A) )
                  & ( in(ordered_pair(C,D),B)
                    | ~ in(ordered_pair(C,D),A) ) )
              | A != B ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(NNF_transformation,[status(thm)],[f260]) ).

fof(f262,plain,
    ! [A] :
      ( ! [B] :
          ( ( ( ? [C,D] :
                  ( ( in(ordered_pair(C,D),B)
                    | in(ordered_pair(C,D),A) )
                  & ( ~ in(ordered_pair(C,D),B)
                    | ~ in(ordered_pair(C,D),A) ) )
              | A = B )
            & ( ( ! [C,D] :
                    ( ~ in(ordered_pair(C,D),B)
                    | in(ordered_pair(C,D),A) )
                & ! [C,D] :
                    ( in(ordered_pair(C,D),B)
                    | ~ in(ordered_pair(C,D),A) ) )
              | A != B ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(miniscoping,[status(thm)],[f261]) ).

fof(f263,plain,
    ! [A] :
      ( ! [B] :
          ( ( ( ( ( in(ordered_pair(sK13_skl(B,A),sK14_skl(B,A)),B)
                  | in(ordered_pair(sK13_skl(B,A),sK14_skl(B,A)),A) )
                & ( ~ in(ordered_pair(sK13_skl(B,A),sK14_skl(B,A)),B)
                  | ~ in(ordered_pair(sK13_skl(B,A),sK14_skl(B,A)),A) ) )
              | A = B )
            & ( ( ! [C,D] :
                    ( ~ in(ordered_pair(C,D),B)
                    | in(ordered_pair(C,D),A) )
                & ! [C,D] :
                    ( in(ordered_pair(C,D),B)
                    | ~ in(ordered_pair(C,D),A) ) )
              | A != B ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK13_skl,sK14_skl]),skolemize(C,sK13_skl(B,A)),skolemize(D,sK14_skl(B,A))],[f262]) ).

fof(f267,plain,
    ! [X0,X1] :
      ( in(ordered_pair(sK13_skl(X1,X0),sK14_skl(X1,X0)),X1)
      | in(ordered_pair(sK13_skl(X1,X0),sK14_skl(X1,X0)),X0)
      | X0 = X1
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f263]) ).

fof(f268,plain,
    ! [A,B] :
      ( ( ( element(B,A)
        <=> empty(B) )
        | ~ empty(A) )
      & ( ( element(B,A)
        <=> in(B,A) )
        | empty(A) ) ),
    inference(pre_NNF_transformation,[status(thm)],[f16]) ).

fof(f269,plain,
    ! [A,B] :
      ( ( ( ( ~ empty(B)
            | element(B,A) )
          & ( empty(B)
            | ~ element(B,A) ) )
        | ~ empty(A) )
      & ( ( ( ~ in(B,A)
            | element(B,A) )
          & ( in(B,A)
            | ~ element(B,A) ) )
        | empty(A) ) ),
    inference(NNF_transformation,[status(thm)],[f268]) ).

fof(f270,plain,
    ( ! [A] :
        ( ( ! [B] :
              ( ~ empty(B)
              | element(B,A) )
          & ! [B] :
              ( empty(B)
              | ~ element(B,A) ) )
        | ~ empty(A) )
    & ! [A] :
        ( ( ! [B] :
              ( ~ in(B,A)
              | element(B,A) )
          & ! [B] :
              ( in(B,A)
              | ~ element(B,A) ) )
        | empty(A) ) ),
    inference(miniscoping,[status(thm)],[f269]) ).

fof(f271,plain,
    ! [X0,X1] :
      ( in(X1,X0)
      | ~ element(X1,X0)
      | empty(X0) ),
    inference(cnf_transformation,[status(thm)],[f270]) ).

fof(f275,plain,
    ! [A,B,C] :
      ( ( ? [D] :
            ( ( D = B
              | D = A
              | in(D,C) )
            & ( ( D != B
                & D != A )
              | ~ in(D,C) ) )
        | C = unordered_pair(A,B) )
      & ( ! [D] :
            ( ( ( D != B
                & D != A )
              | in(D,C) )
            & ( D = B
              | D = A
              | ~ in(D,C) ) )
        | C != unordered_pair(A,B) ) ),
    inference(NNF_transformation,[status(thm)],[f17]) ).

fof(f276,plain,
    ( ! [A,B,C] :
        ( ? [D] :
            ( ( D = B
              | D = A
              | in(D,C) )
            & ( ( D != B
                & D != A )
              | ~ in(D,C) ) )
        | C = unordered_pair(A,B) )
    & ! [A,B,C] :
        ( ( ! [D] :
              ( ( D != B
                & D != A )
              | in(D,C) )
          & ! [D] :
              ( D = B
              | D = A
              | ~ in(D,C) ) )
        | C != unordered_pair(A,B) ) ),
    inference(miniscoping,[status(thm)],[f275]) ).

fof(f277,plain,
    ( ! [A,B,C] :
        ( ( ( sK15_skl(C,B,A) = B
            | sK15_skl(C,B,A) = A
            | in(sK15_skl(C,B,A),C) )
          & ( ( sK15_skl(C,B,A) != B
              & sK15_skl(C,B,A) != A )
            | ~ in(sK15_skl(C,B,A),C) ) )
        | C = unordered_pair(A,B) )
    & ! [A,B,C] :
        ( ( ! [D] :
              ( ( D != B
                & D != A )
              | in(D,C) )
          & ! [D] :
              ( D = B
              | D = A
              | ~ in(D,C) ) )
        | C != unordered_pair(A,B) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK15_skl]),skolemize(D,sK15_skl(C,B,A))],[f276]) ).

fof(f278,plain,
    ! [X0,X1,X2,X3] :
      ( X3 = X2
      | X3 = X1
      | ~ in(X3,X0)
      | X0 != unordered_pair(X1,X2) ),
    inference(cnf_transformation,[status(thm)],[f277]) ).

fof(f302,plain,
    ! [A] :
      ( ! [B] :
          ( ( subset(A,B)
          <=> ! [C,D] :
                ( in(ordered_pair(C,D),B)
                | ~ in(ordered_pair(C,D),A) ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f20]) ).

fof(f303,plain,
    ! [A] :
      ( ! [B] :
          ( ( ( ? [C,D] :
                  ( ~ in(ordered_pair(C,D),B)
                  & in(ordered_pair(C,D),A) )
              | subset(A,B) )
            & ( ! [C,D] :
                  ( in(ordered_pair(C,D),B)
                  | ~ in(ordered_pair(C,D),A) )
              | ~ subset(A,B) ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(NNF_transformation,[status(thm)],[f302]) ).

fof(f304,plain,
    ! [A] :
      ( ! [B] :
          ( ( ( ( ~ in(ordered_pair(sK22_skl(B,A),sK23_skl(B,A)),B)
                & in(ordered_pair(sK22_skl(B,A),sK23_skl(B,A)),A) )
              | subset(A,B) )
            & ( ! [C,D] :
                  ( in(ordered_pair(C,D),B)
                  | ~ in(ordered_pair(C,D),A) )
              | ~ subset(A,B) ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK22_skl,sK23_skl]),skolemize(C,sK22_skl(B,A)),skolemize(D,sK23_skl(B,A))],[f303]) ).

fof(f306,plain,
    ! [X0,X1] :
      ( in(ordered_pair(sK22_skl(X1,X0),sK23_skl(X1,X0)),X0)
      | subset(X0,X1)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f304]) ).

fof(f324,plain,
    ! [A] :
      ( ! [B] :
          ( B = relation_dom(A)
        <=> ! [C] :
              ( in(C,B)
            <=> ? [D] : in(ordered_pair(C,D),A) ) )
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f23]) ).

fof(f325,plain,
    ! [A] :
      ( ! [B] :
          ( ( ? [C] :
                ( ( ? [D] : in(ordered_pair(C,D),A)
                  | in(C,B) )
                & ( ! [D] : ~ in(ordered_pair(C,D),A)
                  | ~ in(C,B) ) )
            | B = relation_dom(A) )
          & ( ! [C] :
                ( ( ! [D] : ~ in(ordered_pair(C,D),A)
                  | in(C,B) )
                & ( ? [D] : in(ordered_pair(C,D),A)
                  | ~ in(C,B) ) )
            | B != relation_dom(A) ) )
      | ~ relation(A) ),
    inference(NNF_transformation,[status(thm)],[f324]) ).

fof(f326,plain,
    ! [A] :
      ( ( ! [B] :
            ( ? [C] :
                ( ( ? [D] : in(ordered_pair(C,D),A)
                  | in(C,B) )
                & ( ! [D] : ~ in(ordered_pair(C,D),A)
                  | ~ in(C,B) ) )
            | B = relation_dom(A) )
        & ! [B] :
            ( ( ! [C] :
                  ( ! [D] : ~ in(ordered_pair(C,D),A)
                  | in(C,B) )
              & ! [C] :
                  ( ? [D] : in(ordered_pair(C,D),A)
                  | ~ in(C,B) ) )
            | B != relation_dom(A) ) )
      | ~ relation(A) ),
    inference(miniscoping,[status(thm)],[f325]) ).

fof(f327,plain,
    ! [A] :
      ( ( ! [B] :
            ( ( ( in(ordered_pair(sK27_skl(B,A),sK28_skl(B,A)),A)
                | in(sK27_skl(B,A),B) )
              & ( ! [D] : ~ in(ordered_pair(sK27_skl(B,A),D),A)
                | ~ in(sK27_skl(B,A),B) ) )
            | B = relation_dom(A) )
        & ! [B] :
            ( ( ! [C] :
                  ( ! [D] : ~ in(ordered_pair(C,D),A)
                  | in(C,B) )
              & ! [C] :
                  ( in(ordered_pair(C,sK26_skl(C,B,A)),A)
                  | ~ in(C,B) ) )
            | B != relation_dom(A) ) )
      | ~ relation(A) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK26_skl,sK27_skl,sK28_skl]),skolemize(D,sK26_skl(C,B,A)),skolemize(C,sK27_skl(B,A)),skolemize(D,sK28_skl(B,A))],[f326]) ).

fof(f331,plain,
    ! [X0,X1] :
      ( in(ordered_pair(sK27_skl(X1,X0),sK28_skl(X1,X0)),X0)
      | in(sK27_skl(X1,X0),X1)
      | X1 = relation_dom(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f327]) ).

fof(f351,plain,
    ! [A] :
      ( ! [B] :
          ( B = relation_rng(A)
        <=> ! [C] :
              ( in(C,B)
            <=> ? [D] : in(ordered_pair(D,C),A) ) )
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f27]) ).

fof(f352,plain,
    ! [A] :
      ( ! [B] :
          ( ( ? [C] :
                ( ( ? [D] : in(ordered_pair(D,C),A)
                  | in(C,B) )
                & ( ! [D] : ~ in(ordered_pair(D,C),A)
                  | ~ in(C,B) ) )
            | B = relation_rng(A) )
          & ( ! [C] :
                ( ( ! [D] : ~ in(ordered_pair(D,C),A)
                  | in(C,B) )
                & ( ? [D] : in(ordered_pair(D,C),A)
                  | ~ in(C,B) ) )
            | B != relation_rng(A) ) )
      | ~ relation(A) ),
    inference(NNF_transformation,[status(thm)],[f351]) ).

fof(f353,plain,
    ! [A] :
      ( ( ! [B] :
            ( ? [C] :
                ( ( ? [D] : in(ordered_pair(D,C),A)
                  | in(C,B) )
                & ( ! [D] : ~ in(ordered_pair(D,C),A)
                  | ~ in(C,B) ) )
            | B = relation_rng(A) )
        & ! [B] :
            ( ( ! [C] :
                  ( ! [D] : ~ in(ordered_pair(D,C),A)
                  | in(C,B) )
              & ! [C] :
                  ( ? [D] : in(ordered_pair(D,C),A)
                  | ~ in(C,B) ) )
            | B != relation_rng(A) ) )
      | ~ relation(A) ),
    inference(miniscoping,[status(thm)],[f352]) ).

fof(f354,plain,
    ! [A] :
      ( ( ! [B] :
            ( ( ( in(ordered_pair(sK35_skl(B,A),sK34_skl(B,A)),A)
                | in(sK34_skl(B,A),B) )
              & ( ! [D] : ~ in(ordered_pair(D,sK34_skl(B,A)),A)
                | ~ in(sK34_skl(B,A),B) ) )
            | B = relation_rng(A) )
        & ! [B] :
            ( ( ! [C] :
                  ( ! [D] : ~ in(ordered_pair(D,C),A)
                  | in(C,B) )
              & ! [C] :
                  ( in(ordered_pair(sK33_skl(C,B,A),C),A)
                  | ~ in(C,B) ) )
            | B != relation_rng(A) ) )
      | ~ relation(A) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK33_skl,sK34_skl,sK35_skl]),skolemize(D,sK33_skl(C,B,A)),skolemize(C,sK34_skl(B,A)),skolemize(D,sK35_skl(B,A))],[f353]) ).

fof(f358,plain,
    ! [X0,X1] :
      ( in(ordered_pair(sK35_skl(X1,X0),sK34_skl(X1,X0)),X0)
      | in(sK34_skl(X1,X0),X1)
      | X1 = relation_rng(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f354]) ).

fof(f364,plain,
    ! [A] :
      ( ! [B] :
          ( ( B = relation_inverse(A)
          <=> ! [C,D] :
                ( in(ordered_pair(C,D),B)
              <=> in(ordered_pair(D,C),A) ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f31]) ).

fof(f365,plain,
    ! [A] :
      ( ! [B] :
          ( ( ( ? [C,D] :
                  ( ( in(ordered_pair(D,C),A)
                    | in(ordered_pair(C,D),B) )
                  & ( ~ in(ordered_pair(D,C),A)
                    | ~ in(ordered_pair(C,D),B) ) )
              | B = relation_inverse(A) )
            & ( ! [C,D] :
                  ( ( ~ in(ordered_pair(D,C),A)
                    | in(ordered_pair(C,D),B) )
                  & ( in(ordered_pair(D,C),A)
                    | ~ in(ordered_pair(C,D),B) ) )
              | B != relation_inverse(A) ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(NNF_transformation,[status(thm)],[f364]) ).

fof(f366,plain,
    ! [A] :
      ( ! [B] :
          ( ( ( ? [C,D] :
                  ( ( in(ordered_pair(D,C),A)
                    | in(ordered_pair(C,D),B) )
                  & ( ~ in(ordered_pair(D,C),A)
                    | ~ in(ordered_pair(C,D),B) ) )
              | B = relation_inverse(A) )
            & ( ( ! [C,D] :
                    ( ~ in(ordered_pair(D,C),A)
                    | in(ordered_pair(C,D),B) )
                & ! [C,D] :
                    ( in(ordered_pair(D,C),A)
                    | ~ in(ordered_pair(C,D),B) ) )
              | B != relation_inverse(A) ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(miniscoping,[status(thm)],[f365]) ).

fof(f367,plain,
    ! [A] :
      ( ! [B] :
          ( ( ( ( ( in(ordered_pair(sK37_skl(B,A),sK36_skl(B,A)),A)
                  | in(ordered_pair(sK36_skl(B,A),sK37_skl(B,A)),B) )
                & ( ~ in(ordered_pair(sK37_skl(B,A),sK36_skl(B,A)),A)
                  | ~ in(ordered_pair(sK36_skl(B,A),sK37_skl(B,A)),B) ) )
              | B = relation_inverse(A) )
            & ( ( ! [C,D] :
                    ( ~ in(ordered_pair(D,C),A)
                    | in(ordered_pair(C,D),B) )
                & ! [C,D] :
                    ( in(ordered_pair(D,C),A)
                    | ~ in(ordered_pair(C,D),B) ) )
              | B != relation_inverse(A) ) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK36_skl,sK37_skl]),skolemize(C,sK36_skl(B,A)),skolemize(D,sK37_skl(B,A))],[f366]) ).

fof(f371,plain,
    ! [X0,X1] :
      ( in(ordered_pair(sK37_skl(X1,X0),sK36_skl(X1,X0)),X0)
      | in(ordered_pair(sK36_skl(X1,X0),sK37_skl(X1,X0)),X1)
      | X1 = relation_inverse(X0)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f367]) ).

fof(f376,plain,
    ! [A] :
      ( ! [B] :
          ( ! [C] :
              ( ( C = relation_composition(A,B)
              <=> ! [D,E] :
                    ( in(ordered_pair(D,E),C)
                  <=> ? [F] :
                        ( in(ordered_pair(F,E),B)
                        & in(ordered_pair(D,F),A) ) ) )
              | ~ relation(C) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f33]) ).

fof(f377,plain,
    ! [A] :
      ( ! [B] :
          ( ! [C] :
              ( ( ( ? [D,E] :
                      ( ( ? [F] :
                            ( in(ordered_pair(F,E),B)
                            & in(ordered_pair(D,F),A) )
                        | in(ordered_pair(D,E),C) )
                      & ( ! [F] :
                            ( ~ in(ordered_pair(F,E),B)
                            | ~ in(ordered_pair(D,F),A) )
                        | ~ in(ordered_pair(D,E),C) ) )
                  | C = relation_composition(A,B) )
                & ( ! [D,E] :
                      ( ( ! [F] :
                            ( ~ in(ordered_pair(F,E),B)
                            | ~ in(ordered_pair(D,F),A) )
                        | in(ordered_pair(D,E),C) )
                      & ( ? [F] :
                            ( in(ordered_pair(F,E),B)
                            & in(ordered_pair(D,F),A) )
                        | ~ in(ordered_pair(D,E),C) ) )
                  | C != relation_composition(A,B) ) )
              | ~ relation(C) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(NNF_transformation,[status(thm)],[f376]) ).

fof(f378,plain,
    ! [A] :
      ( ! [B] :
          ( ! [C] :
              ( ( ( ? [D,E] :
                      ( ( ? [F] :
                            ( in(ordered_pair(F,E),B)
                            & in(ordered_pair(D,F),A) )
                        | in(ordered_pair(D,E),C) )
                      & ( ! [F] :
                            ( ~ in(ordered_pair(F,E),B)
                            | ~ in(ordered_pair(D,F),A) )
                        | ~ in(ordered_pair(D,E),C) ) )
                  | C = relation_composition(A,B) )
                & ( ( ! [D,E] :
                        ( ! [F] :
                            ( ~ in(ordered_pair(F,E),B)
                            | ~ in(ordered_pair(D,F),A) )
                        | in(ordered_pair(D,E),C) )
                    & ! [D,E] :
                        ( ? [F] :
                            ( in(ordered_pair(F,E),B)
                            & in(ordered_pair(D,F),A) )
                        | ~ in(ordered_pair(D,E),C) ) )
                  | C != relation_composition(A,B) ) )
              | ~ relation(C) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(miniscoping,[status(thm)],[f377]) ).

fof(f379,plain,
    ! [A] :
      ( ! [B] :
          ( ! [C] :
              ( ( ( ( ( ( in(ordered_pair(sK41_skl(C,B,A),sK40_skl(C,B,A)),B)
                        & in(ordered_pair(sK39_skl(C,B,A),sK41_skl(C,B,A)),A) )
                      | in(ordered_pair(sK39_skl(C,B,A),sK40_skl(C,B,A)),C) )
                    & ( ! [F] :
                          ( ~ in(ordered_pair(F,sK40_skl(C,B,A)),B)
                          | ~ in(ordered_pair(sK39_skl(C,B,A),F),A) )
                      | ~ in(ordered_pair(sK39_skl(C,B,A),sK40_skl(C,B,A)),C) ) )
                  | C = relation_composition(A,B) )
                & ( ( ! [D,E] :
                        ( ! [F] :
                            ( ~ in(ordered_pair(F,E),B)
                            | ~ in(ordered_pair(D,F),A) )
                        | in(ordered_pair(D,E),C) )
                    & ! [D,E] :
                        ( ( in(ordered_pair(sK38_skl(E,D,C,B,A),E),B)
                          & in(ordered_pair(D,sK38_skl(E,D,C,B,A)),A) )
                        | ~ in(ordered_pair(D,E),C) ) )
                  | C != relation_composition(A,B) ) )
              | ~ relation(C) )
          | ~ relation(B) )
      | ~ relation(A) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK38_skl,sK39_skl,sK40_skl,sK41_skl]),skolemize(F,sK38_skl(E,D,C,B,A)),skolemize(D,sK39_skl(C,B,A)),skolemize(E,sK40_skl(C,B,A)),skolemize(F,sK41_skl(C,B,A))],[f378]) ).

fof(f384,plain,
    ! [X0,X1,X2] :
      ( in(ordered_pair(sK39_skl(X2,X1,X0),sK41_skl(X2,X1,X0)),X0)
      | in(ordered_pair(sK39_skl(X2,X1,X0),sK40_skl(X2,X1,X0)),X2)
      | X2 = relation_composition(X0,X1)
      | ~ relation(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f379]) ).

fof(f385,plain,
    ! [X0,X1,X2] :
      ( in(ordered_pair(sK41_skl(X2,X1,X0),sK40_skl(X2,X1,X0)),X1)
      | in(ordered_pair(sK39_skl(X2,X1,X0),sK40_skl(X2,X1,X0)),X2)
      | X2 = relation_composition(X0,X1)
      | ~ relation(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f379]) ).

fof(f404,plain,
    ! [A,B] :
      ( relation(relation_composition(A,B))
      | ~ relation(B)
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f53]) ).

fof(f405,plain,
    ! [X0,X1] :
      ( relation(relation_composition(X0,X1))
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f404]) ).

fof(f408,plain,
    ! [X0] : relation(identity_relation(X0)),
    inference(cnf_transformation,[status(thm)],[f55]) ).

fof(f427,plain,
    ! [X0,X1] : ~ empty(ordered_pair(X0,X1)),
    inference(cnf_transformation,[status(thm)],[f66]) ).

fof(f430,plain,
    ! [X0] : ~ empty(singleton(X0)),
    inference(cnf_transformation,[status(thm)],[f68]) ).

fof(f439,plain,
    relation(empty_set),
    inference(cnf_transformation,[status(thm)],[f72]) ).

fof(f535,plain,
    ! [A,B,C,D] :
      ( A = D
      | A = C
      | unordered_pair(A,B) != unordered_pair(C,D) ),
    inference(pre_NNF_transformation,[status(thm)],[f109]) ).

fof(f536,plain,
    ! [A,D] :
      ( A = D
      | ! [C] :
          ( A = C
          | ! [B] : unordered_pair(A,B) != unordered_pair(C,D) ) ),
    inference(miniscoping,[status(thm)],[f535]) ).

fof(f537,plain,
    ! [X0,X1,X2,X3] :
      ( X0 = X3
      | X0 = X2
      | unordered_pair(X0,X1) != unordered_pair(X2,X3) ),
    inference(cnf_transformation,[status(thm)],[f536]) ).

fof(f670,plain,
    ! [A] :
      ( A = empty_set
      | ? [B,C] : in(ordered_pair(B,C),A)
      | ~ relation(A) ),
    inference(pre_NNF_transformation,[status(thm)],[f160]) ).

fof(f671,plain,
    ! [A] :
      ( A = empty_set
      | in(ordered_pair(sK55_skl(A),sK56_skl(A)),A)
      | ~ relation(A) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK55_skl,sK56_skl]),skolemize(B,sK55_skl(A)),skolemize(C,sK56_skl(A))],[f670]) ).

fof(f672,plain,
    ! [X0] :
      ( X0 = empty_set
      | in(ordered_pair(sK55_skl(X0),sK56_skl(X0)),X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f671]) ).

fof(f694,plain,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    inference(cnf_transformation,[status(thm)],[f168]) ).

fof(f702,plain,
    ! [A,B,C,D] :
      ( ( in(ordered_pair(A,B),relation_composition(identity_relation(C),D))
      <=> ( in(ordered_pair(A,B),D)
          & in(A,C) ) )
      | ~ relation(D) ),
    inference(pre_NNF_transformation,[status(thm)],[f172]) ).

fof(f703,plain,
    ! [A,B,C,D] :
      ( ( ( ~ in(ordered_pair(A,B),D)
          | ~ in(A,C)
          | in(ordered_pair(A,B),relation_composition(identity_relation(C),D)) )
        & ( ( in(ordered_pair(A,B),D)
            & in(A,C) )
          | ~ in(ordered_pair(A,B),relation_composition(identity_relation(C),D)) ) )
      | ~ relation(D) ),
    inference(NNF_transformation,[status(thm)],[f702]) ).

fof(f704,plain,
    ! [D] :
      ( ( ! [A,B,C] :
            ( ~ in(ordered_pair(A,B),D)
            | ~ in(A,C)
            | in(ordered_pair(A,B),relation_composition(identity_relation(C),D)) )
        & ! [A,B,C] :
            ( ( in(ordered_pair(A,B),D)
              & in(A,C) )
            | ~ in(ordered_pair(A,B),relation_composition(identity_relation(C),D)) ) )
      | ~ relation(D) ),
    inference(miniscoping,[status(thm)],[f703]) ).

fof(f705,plain,
    ! [X0,X1,X2,X3] :
      ( in(X1,X3)
      | ~ in(ordered_pair(X1,X2),relation_composition(identity_relation(X3),X0))
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f704]) ).

fof(f706,plain,
    ! [X0,X1,X2,X3] :
      ( in(ordered_pair(X1,X2),X0)
      | ~ in(ordered_pair(X1,X2),relation_composition(identity_relation(X3),X0))
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f704]) ).

fof(f707,plain,
    ! [X0,X1,X2,X3] :
      ( ~ in(ordered_pair(X1,X2),X0)
      | ~ in(X1,X3)
      | in(ordered_pair(X1,X2),relation_composition(identity_relation(X3),X0))
      | ~ relation(X0) ),
    inference(cnf_transformation,[status(thm)],[f704]) ).

fof(f738,plain,
    ? [A,B] :
      ( relation_dom_restriction(B,A) != relation_composition(identity_relation(A),B)
      & relation(B) ),
    inference(pre_NNF_transformation,[status(thm)],[f184]) ).

fof(f739,plain,
    ? [B] :
      ( ? [A] : relation_dom_restriction(B,A) != relation_composition(identity_relation(A),B)
      & relation(B) ),
    inference(miniscoping,[status(thm)],[f738]) ).

fof(f740,plain,
    ( relation_dom_restriction(sK57_skl,sK58_skl) != relation_composition(identity_relation(sK58_skl),sK57_skl)
    & relation(sK57_skl) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK57_skl,sK58_skl]),skolemize(B,sK57_skl),skolemize(A,sK58_skl)],[f739]) ).

fof(f741,plain,
    relation(sK57_skl),
    inference(cnf_transformation,[status(thm)],[f740]) ).

fof(f742,plain,
    relation_dom_restriction(sK57_skl,sK58_skl) != relation_composition(identity_relation(sK58_skl),sK57_skl),
    inference(cnf_transformation,[status(thm)],[f740]) ).

fof(f761,plain,
    ! [X0,X1,X2] :
      ( in(X1,X0)
      | ~ in(ordered_pair(X1,X2),identity_relation(X0))
      | ~ relation(identity_relation(X0)) ),
    inference(destructive_equality_resolution,[status(thm)],[f201]) ).

fof(f772,plain,
    set_meet(empty_set) = empty_set,
    inference(destructive_equality_resolution,[status(thm)],[f239]) ).

fof(f774,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ in(X0,singleton(X1)) ),
    inference(destructive_equality_resolution,[status(thm)],[f244]) ).

fof(f776,plain,
    ! [X0] : ~ in(X0,empty_set),
    inference(destructive_equality_resolution,[status(thm)],[f251]) ).

fof(f779,plain,
    ! [X0,X1,X2] :
      ( X0 = X2
      | X0 = X1
      | ~ in(X0,unordered_pair(X1,X2)) ),
    inference(destructive_equality_resolution,[status(thm)],[f278]) ).

fof(f816,plain,
    ! [X0,X1,X2] :
      ( in(X0,X2)
      | ~ in(ordered_pair(X0,X1),identity_relation(X2)) ),
    inference(backward_subsumption_resolution,[status(thm)],[f761,f408]) ).

fof(f841,plain,
    ! [X0,X1] :
      ( ~ in(X0,ordered_pair(sK0_skl(X1,X0),sK1_skl(X1,X0)))
      | sK0_skl(X1,X0) = sK1_skl(X1,X0)
      | X0 = identity_relation(X1)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f206,f189]) ).

fof(f845,plain,
    ! [X0,X1,X2] :
      ( ~ in(X1,ordered_pair(sK2_skl(X2,X1,X0),sK3_skl(X2,X1,X0)))
      | in(ordered_pair(sK2_skl(X2,X1,X0),sK3_skl(X2,X1,X0)),X0)
      | X1 = relation_dom_restriction(X0,X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f221,f189]) ).

fof(f851,plain,
    ! [X0] :
      ( relation_dom_restriction(sK57_skl,sK58_skl) = X0
      | ~ in(relation_dom_restriction(sK57_skl,sK58_skl),unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0)) ),
    inference(resolution,[status(thm)],[f779,f742]) ).

fof(f852,plain,
    ! [X0] :
      ( relation_composition(identity_relation(sK58_skl),sK57_skl) = X0
      | ~ in(relation_composition(identity_relation(sK58_skl),sK57_skl),unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0)) ),
    inference(resolution,[status(thm)],[f779,f742]) ).

fof(f887,plain,
    ! [X0,X1] :
      ( relation_dom_restriction(sK57_skl,sK58_skl) = X1
      | unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0) != unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X1) ),
    inference(resolution,[status(thm)],[f537,f742]) ).

fof(f888,plain,
    ! [X0,X1] :
      ( relation_composition(identity_relation(sK58_skl),sK57_skl) = X1
      | unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0) != unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X1) ),
    inference(resolution,[status(thm)],[f537,f742]) ).

fof(f916,plain,
    ! [X0,X1] :
      ( ~ in(X0,ordered_pair(sK13_skl(X1,X0),sK14_skl(X1,X0)))
      | in(ordered_pair(sK13_skl(X1,X0),sK14_skl(X1,X0)),X1)
      | X0 = X1
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f267,f189]) ).

fof(f938,plain,
    ~ in(relation_dom_restriction(sK57_skl,sK58_skl),unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),relation_composition(identity_relation(sK58_skl),sK57_skl))),
    inference(resolution,[status(thm)],[f851,f742]) ).

fof(f939,plain,
    ~ in(relation_dom_restriction(sK57_skl,sK58_skl),singleton(relation_composition(identity_relation(sK58_skl),sK57_skl))),
    inference(forward_demodulation,[status(thm)],[f694,f938]) ).

fof(f940,plain,
    ~ in(relation_composition(identity_relation(sK58_skl),sK57_skl),unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),relation_dom_restriction(sK57_skl,sK58_skl))),
    inference(resolution,[status(thm)],[f852,f742]) ).

fof(f941,plain,
    ~ in(relation_composition(identity_relation(sK58_skl),sK57_skl),singleton(relation_dom_restriction(sK57_skl,sK58_skl))),
    inference(forward_demodulation,[status(thm)],[f694,f940]) ).

fof(f962,plain,
    ! [X0,X1] :
      ( ~ in(X1,ordered_pair(sK36_skl(X1,X0),sK37_skl(X1,X0)))
      | in(ordered_pair(sK37_skl(X1,X0),sK36_skl(X1,X0)),X0)
      | X1 = relation_inverse(X0)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f371,f189]) ).

fof(f964,plain,
    ! [X0,X1,X2] :
      ( ~ in(X2,ordered_pair(sK39_skl(X2,X1,X0),sK40_skl(X2,X1,X0)))
      | in(ordered_pair(sK39_skl(X2,X1,X0),sK41_skl(X2,X1,X0)),X0)
      | X2 = relation_composition(X0,X1)
      | ~ relation(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f384,f189]) ).

fof(f966,plain,
    ! [X0,X1,X2] :
      ( ~ in(X2,ordered_pair(sK39_skl(X2,X1,X0),sK40_skl(X2,X1,X0)))
      | in(ordered_pair(sK41_skl(X2,X1,X0),sK40_skl(X2,X1,X0)),X1)
      | X2 = relation_composition(X0,X1)
      | ~ relation(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f385,f189]) ).

fof(f1024,plain,
    ! [X0] : unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0) != unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),relation_composition(identity_relation(sK58_skl),sK57_skl)),
    inference(resolution,[status(thm)],[f887,f742]) ).

fof(f1025,plain,
    ! [X0] : unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0) != singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)),
    inference(forward_demodulation,[status(thm)],[f694,f1024]) ).

fof(f1026,plain,
    ! [X0] : unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0) != unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),relation_dom_restriction(sK57_skl,sK58_skl)),
    inference(resolution,[status(thm)],[f888,f742]) ).

fof(f1027,plain,
    ! [X0] : unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0) != singleton(relation_dom_restriction(sK57_skl,sK58_skl)),
    inference(forward_demodulation,[status(thm)],[f694,f1026]) ).

fof(f1032,plain,
    ( ~ element(relation_dom_restriction(sK57_skl,sK58_skl),singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))
    | empty(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl))) ),
    inference(resolution,[status(thm)],[f939,f271]) ).

fof(f1033,definition,
    ( sQ0_spl
  <=> empty(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl))) ),
    introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition]) ).

fof(f1034,plain,
    ( ~ sQ0_spl
    | empty(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl))) ),
    inference(component_clause,[status(thm)],[f1033]) ).

fof(f1036,definition,
    ( sQ1_spl
  <=> element(relation_dom_restriction(sK57_skl,sK58_skl),singleton(relation_composition(identity_relation(sK58_skl),sK57_skl))) ),
    introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition]) ).

fof(f1039,plain,
    ( ~ sQ1_spl
    | sQ0_spl ),
    inference(split_clause,[status(thm)],[f1032,f1033,f1036]) ).

fof(f1040,plain,
    ( ~ sQ0_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1034,f430]) ).

fof(f1041,plain,
    ~ sQ0_spl,
    inference(contradiction_clause,[status(thm)],[f1040]) ).

fof(f1046,plain,
    ( ~ element(relation_composition(identity_relation(sK58_skl),sK57_skl),singleton(relation_dom_restriction(sK57_skl,sK58_skl)))
    | empty(singleton(relation_dom_restriction(sK57_skl,sK58_skl))) ),
    inference(resolution,[status(thm)],[f941,f271]) ).

fof(f1047,definition,
    ( sQ2_spl
  <=> empty(singleton(relation_dom_restriction(sK57_skl,sK58_skl))) ),
    introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).

fof(f1048,plain,
    ( ~ sQ2_spl
    | empty(singleton(relation_dom_restriction(sK57_skl,sK58_skl))) ),
    inference(component_clause,[status(thm)],[f1047]) ).

fof(f1050,definition,
    ( sQ3_spl
  <=> element(relation_composition(identity_relation(sK58_skl),sK57_skl),singleton(relation_dom_restriction(sK57_skl,sK58_skl))) ),
    introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition]) ).

fof(f1053,plain,
    ( ~ sQ3_spl
    | sQ2_spl ),
    inference(split_clause,[status(thm)],[f1046,f1047,f1050]) ).

fof(f1054,plain,
    ( ~ sQ2_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1048,f430]) ).

fof(f1055,plain,
    ~ sQ2_spl,
    inference(contradiction_clause,[status(thm)],[f1054]) ).

fof(f1061,plain,
    ! [X0] : unordered_pair(X0,relation_dom_restriction(sK57_skl,sK58_skl)) != singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)),
    inference(paramodulation,[status(thm)],[f194,f1025]) ).

fof(f1068,plain,
    ! [X0] : unordered_pair(X0,relation_composition(identity_relation(sK58_skl),sK57_skl)) != singleton(relation_dom_restriction(sK57_skl,sK58_skl)),
    inference(paramodulation,[status(thm)],[f194,f1027]) ).

fof(f1099,plain,
    ( ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),sK57_skl)
    | ~ in(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK58_skl)
    | ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),relation_composition(identity_relation(sK58_skl),sK57_skl))
    | ~ relation(relation_composition(identity_relation(sK58_skl),sK57_skl))
    | ~ relation(sK57_skl) ),
    inference(resolution,[status(thm)],[f219,f742]) ).

fof(f1100,definition,
    ( sQ6_spl
  <=> relation(sK57_skl) ),
    introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).

fof(f1102,plain,
    ( sQ6_spl
    | ~ relation(sK57_skl) ),
    inference(component_clause,[status(thm)],[f1100]) ).

fof(f1103,definition,
    ( sQ7_spl
  <=> relation(relation_composition(identity_relation(sK58_skl),sK57_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition]) ).

fof(f1105,plain,
    ( sQ7_spl
    | ~ relation(relation_composition(identity_relation(sK58_skl),sK57_skl)) ),
    inference(component_clause,[status(thm)],[f1103]) ).

fof(f1106,definition,
    ( sQ8_spl
  <=> in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),relation_composition(identity_relation(sK58_skl),sK57_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).

fof(f1107,plain,
    ( ~ sQ8_spl
    | in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),relation_composition(identity_relation(sK58_skl),sK57_skl)) ),
    inference(component_clause,[status(thm)],[f1106]) ).

fof(f1108,plain,
    ( sQ8_spl
    | ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),relation_composition(identity_relation(sK58_skl),sK57_skl)) ),
    inference(component_clause,[status(thm)],[f1106]) ).

fof(f1109,definition,
    ( sQ9_spl
  <=> in(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK58_skl) ),
    introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition]) ).

fof(f1110,plain,
    ( ~ sQ9_spl
    | in(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK58_skl) ),
    inference(component_clause,[status(thm)],[f1109]) ).

fof(f1111,plain,
    ( sQ9_spl
    | ~ in(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK58_skl) ),
    inference(component_clause,[status(thm)],[f1109]) ).

fof(f1112,definition,
    ( sQ10_spl
  <=> in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),sK57_skl) ),
    introduced(definition,[new_symbols(definition,[sQ10_spl])],[split_symbol_definition]) ).

fof(f1114,plain,
    ( sQ10_spl
    | ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),sK57_skl) ),
    inference(component_clause,[status(thm)],[f1112]) ).

fof(f1115,plain,
    ( ~ sQ10_spl
    | ~ sQ9_spl
    | ~ sQ8_spl
    | ~ sQ7_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f1099,f1100,f1103,f1106,f1109,f1112]) ).

fof(f1154,definition,
    ( sQ11_spl
  <=> relation_composition(identity_relation(sK58_skl),sK57_skl) = relation_dom_restriction(sK57_skl,sK58_skl) ),
    introduced(definition,[new_symbols(definition,[sQ11_spl])],[split_symbol_definition]) ).

fof(f1155,plain,
    ( ~ sQ11_spl
    | relation_composition(identity_relation(sK58_skl),sK57_skl) = relation_dom_restriction(sK57_skl,sK58_skl) ),
    inference(component_clause,[status(thm)],[f1154]) ).

fof(f1168,plain,
    ( sQ6_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1102,f741]) ).

fof(f1169,plain,
    sQ6_spl,
    inference(contradiction_clause,[status(thm)],[f1168]) ).

fof(f1172,plain,
    ( sQ7_spl
    | ~ relation(sK57_skl)
    | ~ relation(identity_relation(sK58_skl)) ),
    inference(resolution,[status(thm)],[f1105,f405]) ).

fof(f1178,definition,
    ( sQ16_spl
  <=> relation(identity_relation(sK58_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ16_spl])],[split_symbol_definition]) ).

fof(f1180,plain,
    ( sQ16_spl
    | ~ relation(identity_relation(sK58_skl)) ),
    inference(component_clause,[status(thm)],[f1178]) ).

fof(f1182,plain,
    ( sQ7_spl
    | ~ sQ6_spl
    | ~ sQ16_spl ),
    inference(split_clause,[status(thm)],[f1172,f1178,f1100,f1103]) ).

fof(f1183,plain,
    ( sQ16_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1180,f408]) ).

fof(f1184,plain,
    sQ16_spl,
    inference(contradiction_clause,[status(thm)],[f1183]) ).

fof(f1185,plain,
    ( ~ sQ11_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1155,f742]) ).

fof(f1186,plain,
    ~ sQ11_spl,
    inference(contradiction_clause,[status(thm)],[f1185]) ).

fof(f1218,plain,
    ( sQ8_spl
    | in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),sK57_skl)
    | relation_composition(identity_relation(sK58_skl),sK57_skl) = relation_dom_restriction(sK57_skl,sK58_skl)
    | ~ relation(relation_composition(identity_relation(sK58_skl),sK57_skl))
    | ~ relation(sK57_skl) ),
    inference(resolution,[status(thm)],[f1108,f221]) ).

fof(f1225,plain,
    ( sQ8_spl
    | sQ10_spl
    | sQ11_spl
    | ~ sQ7_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f1218,f1100,f1103,f1154,f1112,f1106]) ).

fof(f1236,plain,
    ( ~ sQ9_spl
    | ~ in(sK58_skl,sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)) ),
    inference(resolution,[status(thm)],[f1110,f189]) ).

fof(f1328,definition,
    ( sQ25_spl
  <=> empty(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl))) ),
    introduced(definition,[new_symbols(definition,[sQ25_spl])],[split_symbol_definition]) ).

fof(f1329,plain,
    ( ~ sQ25_spl
    | empty(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl))) ),
    inference(component_clause,[status(thm)],[f1328]) ).

fof(f1352,plain,
    ( ~ sQ25_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1329,f427]) ).

fof(f1353,plain,
    ~ sQ25_spl,
    inference(contradiction_clause,[status(thm)],[f1352]) ).

fof(f1400,plain,
    ! [X0,X1] :
      ( ~ in(X1,ordered_pair(sK39_skl(X1,empty_set,X0),sK40_skl(X1,empty_set,X0)))
      | X1 = relation_composition(X0,empty_set)
      | ~ relation(X1)
      | ~ relation(empty_set)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f776,f966]) ).

fof(f1401,plain,
    ! [X0] :
      ( ~ in(X0,ordered_pair(sK36_skl(X0,empty_set),sK37_skl(X0,empty_set)))
      | X0 = relation_inverse(empty_set)
      | ~ relation(X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f962]) ).

fof(f1402,plain,
    ! [X0,X1] :
      ( ~ in(X1,ordered_pair(sK39_skl(X1,X0,empty_set),sK40_skl(X1,X0,empty_set)))
      | X1 = relation_composition(empty_set,X0)
      | ~ relation(X1)
      | ~ relation(X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f964]) ).

fof(f1403,plain,
    ! [X0,X1] :
      ( in(ordered_pair(sK41_skl(empty_set,X1,X0),sK40_skl(empty_set,X1,X0)),X1)
      | empty_set = relation_composition(X0,X1)
      | ~ relation(empty_set)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f776,f385]) ).

fof(f1404,plain,
    ! [X0,X1] :
      ( in(ordered_pair(sK39_skl(empty_set,X1,X0),sK41_skl(empty_set,X1,X0)),X0)
      | empty_set = relation_composition(X0,X1)
      | ~ relation(empty_set)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f776,f384]) ).

fof(f1405,plain,
    ! [X0] :
      ( in(ordered_pair(sK37_skl(empty_set,X0),sK36_skl(empty_set,X0)),X0)
      | empty_set = relation_inverse(X0)
      | ~ relation(empty_set)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f776,f371]) ).

fof(f1406,plain,
    ! [X0] :
      ( in(sK34_skl(X0,empty_set),X0)
      | X0 = relation_rng(empty_set)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f358]) ).

fof(f1407,plain,
    ! [X0] :
      ( in(sK27_skl(X0,empty_set),X0)
      | X0 = relation_dom(empty_set)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f331]) ).

fof(f1408,plain,
    ! [X0] :
      ( subset(empty_set,X0)
      | ~ relation(X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f306]) ).

fof(f1409,plain,
    ! [X0] :
      ( ~ in(X0,ordered_pair(sK13_skl(empty_set,X0),sK14_skl(empty_set,X0)))
      | X0 = empty_set
      | ~ relation(empty_set)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f776,f916]) ).

fof(f1410,plain,
    ! [X0] :
      ( in(ordered_pair(sK13_skl(X0,empty_set),sK14_skl(X0,empty_set)),X0)
      | empty_set = X0
      | ~ relation(X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f267]) ).

fof(f1411,plain,
    ( empty_set = empty_set
    | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f672]) ).

fof(f1412,plain,
    ! [X0,X1] :
      ( ~ in(X0,ordered_pair(sK2_skl(X1,X0,empty_set),sK3_skl(X1,X0,empty_set)))
      | X0 = relation_dom_restriction(empty_set,X1)
      | ~ relation(X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f845]) ).

fof(f1413,plain,
    ! [X0,X1] :
      ( in(ordered_pair(sK2_skl(X1,empty_set,X0),sK3_skl(X1,empty_set,X0)),X0)
      | empty_set = relation_dom_restriction(X0,X1)
      | ~ relation(empty_set)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f776,f221]) ).

fof(f1414,plain,
    ! [X0,X1] :
      ( in(sK2_skl(X1,empty_set,X0),X1)
      | empty_set = relation_dom_restriction(X0,X1)
      | ~ relation(empty_set)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f776,f220]) ).

fof(f1415,plain,
    ! [X0] :
      ( sK0_skl(X0,empty_set) = sK1_skl(X0,empty_set)
      | empty_set = identity_relation(X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f206]) ).

fof(f1416,plain,
    ! [X0] :
      ( in(sK0_skl(X0,empty_set),X0)
      | empty_set = identity_relation(X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f776,f205]) ).

fof(f1433,definition,
    ( sQ28_spl
  <=> empty_set = empty_set ),
    introduced(definition,[new_symbols(definition,[sQ28_spl])],[split_symbol_definition]) ).

fof(f1440,definition,
    ! [X0] :
      ( sQ30_spl
    <=> in(X0,set_meet(empty_set)) ),
    introduced(definition,[new_symbols(definition,[sQ30_spl])],[split_symbol_definition]) ).

fof(f1441,plain,
    ! [X0] :
      ( ~ sQ30_spl
      | in(X0,set_meet(empty_set)) ),
    inference(component_clause,[status(thm)],[f1440]) ).

fof(f1446,definition,
    ! [X0,X1] :
      ( sQ31_spl
    <=> ( ~ in(X1,ordered_pair(sK39_skl(X1,empty_set,X0),sK40_skl(X1,empty_set,X0)))
        | X1 = relation_composition(X0,empty_set)
        | ~ relation(X1)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ31_spl])],[split_symbol_definition]) ).

fof(f1449,definition,
    ( sQ32_spl
  <=> relation(empty_set) ),
    introduced(definition,[new_symbols(definition,[sQ32_spl])],[split_symbol_definition]) ).

fof(f1451,plain,
    ( sQ32_spl
    | ~ relation(empty_set) ),
    inference(component_clause,[status(thm)],[f1449]) ).

fof(f1452,plain,
    ( ~ sQ32_spl
    | sQ31_spl ),
    inference(split_clause,[status(thm)],[f1400,f1446,f1449]) ).

fof(f1453,definition,
    ! [X0] :
      ( sQ33_spl
    <=> ( ~ in(X0,ordered_pair(sK36_skl(X0,empty_set),sK37_skl(X0,empty_set)))
        | X0 = relation_inverse(empty_set)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ33_spl])],[split_symbol_definition]) ).

fof(f1456,plain,
    ( sQ33_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1401,f1449,f1453]) ).

fof(f1457,definition,
    ! [X0,X1] :
      ( sQ34_spl
    <=> ( ~ in(X1,ordered_pair(sK39_skl(X1,X0,empty_set),sK40_skl(X1,X0,empty_set)))
        | X1 = relation_composition(empty_set,X0)
        | ~ relation(X1)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ34_spl])],[split_symbol_definition]) ).

fof(f1460,plain,
    ( sQ34_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1402,f1449,f1457]) ).

fof(f1461,definition,
    ! [X0,X1] :
      ( sQ35_spl
    <=> ( in(ordered_pair(sK41_skl(empty_set,X1,X0),sK40_skl(empty_set,X1,X0)),X1)
        | empty_set = relation_composition(X0,X1)
        | ~ relation(X1)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ35_spl])],[split_symbol_definition]) ).

fof(f1462,plain,
    ! [X0,X1] :
      ( ~ sQ35_spl
      | in(ordered_pair(sK41_skl(empty_set,X1,X0),sK40_skl(empty_set,X1,X0)),X1)
      | empty_set = relation_composition(X0,X1)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(component_clause,[status(thm)],[f1461]) ).

fof(f1464,plain,
    ( ~ sQ32_spl
    | sQ35_spl ),
    inference(split_clause,[status(thm)],[f1403,f1461,f1449]) ).

fof(f1465,definition,
    ! [X0,X1] :
      ( sQ36_spl
    <=> ( in(ordered_pair(sK39_skl(empty_set,X1,X0),sK41_skl(empty_set,X1,X0)),X0)
        | empty_set = relation_composition(X0,X1)
        | ~ relation(X1)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ36_spl])],[split_symbol_definition]) ).

fof(f1466,plain,
    ! [X0,X1] :
      ( ~ sQ36_spl
      | in(ordered_pair(sK39_skl(empty_set,X1,X0),sK41_skl(empty_set,X1,X0)),X0)
      | empty_set = relation_composition(X0,X1)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(component_clause,[status(thm)],[f1465]) ).

fof(f1468,plain,
    ( ~ sQ32_spl
    | sQ36_spl ),
    inference(split_clause,[status(thm)],[f1404,f1465,f1449]) ).

fof(f1469,definition,
    ! [X0] :
      ( sQ37_spl
    <=> ( in(ordered_pair(sK37_skl(empty_set,X0),sK36_skl(empty_set,X0)),X0)
        | empty_set = relation_inverse(X0)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ37_spl])],[split_symbol_definition]) ).

fof(f1470,plain,
    ! [X0] :
      ( ~ sQ37_spl
      | in(ordered_pair(sK37_skl(empty_set,X0),sK36_skl(empty_set,X0)),X0)
      | empty_set = relation_inverse(X0)
      | ~ relation(X0) ),
    inference(component_clause,[status(thm)],[f1469]) ).

fof(f1472,plain,
    ( ~ sQ32_spl
    | sQ37_spl ),
    inference(split_clause,[status(thm)],[f1405,f1469,f1449]) ).

fof(f1473,definition,
    ! [X0] :
      ( sQ38_spl
    <=> ( in(sK34_skl(X0,empty_set),X0)
        | X0 = relation_rng(empty_set) ) ),
    introduced(definition,[new_symbols(definition,[sQ38_spl])],[split_symbol_definition]) ).

fof(f1476,plain,
    ( sQ38_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1406,f1449,f1473]) ).

fof(f1477,definition,
    ! [X0] :
      ( sQ39_spl
    <=> ( in(sK27_skl(X0,empty_set),X0)
        | X0 = relation_dom(empty_set) ) ),
    introduced(definition,[new_symbols(definition,[sQ39_spl])],[split_symbol_definition]) ).

fof(f1480,plain,
    ( sQ39_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1407,f1449,f1477]) ).

fof(f1481,definition,
    ! [X0] :
      ( sQ40_spl
    <=> ( subset(empty_set,X0)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ40_spl])],[split_symbol_definition]) ).

fof(f1484,plain,
    ( sQ40_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1408,f1449,f1481]) ).

fof(f1485,definition,
    ! [X0] :
      ( sQ41_spl
    <=> ( ~ in(X0,ordered_pair(sK13_skl(empty_set,X0),sK14_skl(empty_set,X0)))
        | X0 = empty_set
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ41_spl])],[split_symbol_definition]) ).

fof(f1488,plain,
    ( ~ sQ32_spl
    | sQ41_spl ),
    inference(split_clause,[status(thm)],[f1409,f1485,f1449]) ).

fof(f1489,definition,
    ! [X0] :
      ( sQ42_spl
    <=> ( in(ordered_pair(sK13_skl(X0,empty_set),sK14_skl(X0,empty_set)),X0)
        | empty_set = X0
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ42_spl])],[split_symbol_definition]) ).

fof(f1492,plain,
    ( sQ42_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1410,f1449,f1489]) ).

fof(f1493,plain,
    ( sQ28_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1411,f1449,f1433]) ).

fof(f1494,definition,
    ! [X0,X1] :
      ( sQ43_spl
    <=> ( ~ in(X0,ordered_pair(sK2_skl(X1,X0,empty_set),sK3_skl(X1,X0,empty_set)))
        | X0 = relation_dom_restriction(empty_set,X1)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ43_spl])],[split_symbol_definition]) ).

fof(f1497,plain,
    ( sQ43_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1412,f1449,f1494]) ).

fof(f1498,definition,
    ! [X0,X1] :
      ( sQ44_spl
    <=> ( in(ordered_pair(sK2_skl(X1,empty_set,X0),sK3_skl(X1,empty_set,X0)),X0)
        | empty_set = relation_dom_restriction(X0,X1)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ44_spl])],[split_symbol_definition]) ).

fof(f1499,plain,
    ! [X0,X1] :
      ( ~ sQ44_spl
      | in(ordered_pair(sK2_skl(X1,empty_set,X0),sK3_skl(X1,empty_set,X0)),X0)
      | empty_set = relation_dom_restriction(X0,X1)
      | ~ relation(X0) ),
    inference(component_clause,[status(thm)],[f1498]) ).

fof(f1501,plain,
    ( ~ sQ32_spl
    | sQ44_spl ),
    inference(split_clause,[status(thm)],[f1413,f1498,f1449]) ).

fof(f1502,definition,
    ! [X0,X1] :
      ( sQ45_spl
    <=> ( in(sK2_skl(X1,empty_set,X0),X1)
        | empty_set = relation_dom_restriction(X0,X1)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ45_spl])],[split_symbol_definition]) ).

fof(f1505,plain,
    ( ~ sQ32_spl
    | sQ45_spl ),
    inference(split_clause,[status(thm)],[f1414,f1502,f1449]) ).

fof(f1506,definition,
    ! [X0] :
      ( sQ46_spl
    <=> ( sK0_skl(X0,empty_set) = sK1_skl(X0,empty_set)
        | empty_set = identity_relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ46_spl])],[split_symbol_definition]) ).

fof(f1507,plain,
    ! [X0] :
      ( ~ sQ46_spl
      | sK0_skl(X0,empty_set) = sK1_skl(X0,empty_set)
      | empty_set = identity_relation(X0) ),
    inference(component_clause,[status(thm)],[f1506]) ).

fof(f1509,plain,
    ( sQ46_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1415,f1449,f1506]) ).

fof(f1510,definition,
    ! [X0] :
      ( sQ47_spl
    <=> ( in(sK0_skl(X0,empty_set),X0)
        | empty_set = identity_relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ47_spl])],[split_symbol_definition]) ).

fof(f1513,plain,
    ( sQ47_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1416,f1449,f1510]) ).

fof(f1522,plain,
    ( sQ32_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1451,f439]) ).

fof(f1523,plain,
    sQ32_spl,
    inference(contradiction_clause,[status(thm)],[f1522]) ).

fof(f1526,plain,
    ! [X0] :
      ( ~ sQ30_spl
      | in(X0,empty_set) ),
    inference(forward_demodulation,[status(thm)],[f772,f1441]) ).

fof(f1527,plain,
    ( ~ sQ30_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1526,f776]) ).

fof(f1528,plain,
    ~ sQ30_spl,
    inference(contradiction_clause,[status(thm)],[f1527]) ).

fof(f1601,plain,
    ! [X0] :
      ( ~ sQ46_spl
      | empty_set = identity_relation(X0)
      | ~ in(empty_set,ordered_pair(sK0_skl(X0,empty_set),sK1_skl(X0,empty_set)))
      | sK0_skl(X0,empty_set) = sK0_skl(X0,empty_set)
      | empty_set = identity_relation(X0)
      | ~ relation(empty_set) ),
    inference(paramodulation,[status(thm)],[f1507,f841]) ).

fof(f1602,plain,
    ! [X0] :
      ( ~ sQ46_spl
      | empty_set = identity_relation(X0)
      | sK0_skl(X0,empty_set) = sK1_skl(X0,empty_set)
      | in(ordered_pair(sK0_skl(X0,empty_set),sK0_skl(X0,empty_set)),empty_set)
      | empty_set = identity_relation(X0)
      | ~ relation(empty_set) ),
    inference(paramodulation,[status(thm)],[f1507,f206]) ).

fof(f1603,plain,
    ! [X0] :
      ( ~ sQ46_spl
      | empty_set = identity_relation(X0)
      | in(sK0_skl(X0,empty_set),X0)
      | in(ordered_pair(sK0_skl(X0,empty_set),sK0_skl(X0,empty_set)),empty_set)
      | empty_set = identity_relation(X0)
      | ~ relation(empty_set) ),
    inference(paramodulation,[status(thm)],[f1507,f205]) ).

fof(f1604,definition,
    ! [X0] :
      ( sQ57_spl
    <=> ( empty_set = identity_relation(X0)
        | ~ in(empty_set,ordered_pair(sK0_skl(X0,empty_set),sK1_skl(X0,empty_set)))
        | sK0_skl(X0,empty_set) = sK0_skl(X0,empty_set)
        | empty_set = identity_relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ57_spl])],[split_symbol_definition]) ).

fof(f1607,plain,
    ( ~ sQ46_spl
    | sQ57_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1601,f1449,f1604,f1506]) ).

fof(f1608,definition,
    ! [X0] :
      ( sQ58_spl
    <=> ( empty_set = identity_relation(X0)
        | sK0_skl(X0,empty_set) = sK1_skl(X0,empty_set)
        | in(ordered_pair(sK0_skl(X0,empty_set),sK0_skl(X0,empty_set)),empty_set)
        | empty_set = identity_relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ58_spl])],[split_symbol_definition]) ).

fof(f1611,plain,
    ( ~ sQ46_spl
    | sQ58_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1602,f1449,f1608,f1506]) ).

fof(f1612,definition,
    ! [X0] :
      ( sQ59_spl
    <=> ( empty_set = identity_relation(X0)
        | in(sK0_skl(X0,empty_set),X0)
        | in(ordered_pair(sK0_skl(X0,empty_set),sK0_skl(X0,empty_set)),empty_set)
        | empty_set = identity_relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ59_spl])],[split_symbol_definition]) ).

fof(f1615,plain,
    ( ~ sQ46_spl
    | sQ59_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1603,f1449,f1612,f1506]) ).

fof(f1657,plain,
    ! [X0] :
      ( ~ sQ44_spl
      | empty_set = relation_dom_restriction(empty_set,X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f1499,f776]) ).

fof(f1660,definition,
    ! [X0] :
      ( sQ62_spl
    <=> empty_set = relation_dom_restriction(empty_set,X0) ),
    introduced(definition,[new_symbols(definition,[sQ62_spl])],[split_symbol_definition]) ).

fof(f1663,plain,
    ( ~ sQ44_spl
    | sQ62_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1657,f1449,f1660,f1498]) ).

fof(f1669,plain,
    ( ~ sQ37_spl
    | empty_set = relation_inverse(empty_set)
    | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f1470,f776]) ).

fof(f1672,definition,
    ( sQ63_spl
  <=> empty_set = relation_inverse(empty_set) ),
    introduced(definition,[new_symbols(definition,[sQ63_spl])],[split_symbol_definition]) ).

fof(f1675,plain,
    ( ~ sQ37_spl
    | sQ63_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1669,f1449,f1672,f1469]) ).

fof(f1677,plain,
    ! [X0] :
      ( ~ sQ36_spl
      | empty_set = relation_composition(empty_set,X0)
      | ~ relation(X0)
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f1466,f776]) ).

fof(f1680,definition,
    ! [X0] :
      ( sQ64_spl
    <=> ( empty_set = relation_composition(empty_set,X0)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ64_spl])],[split_symbol_definition]) ).

fof(f1683,plain,
    ( ~ sQ36_spl
    | sQ64_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f1677,f1449,f1680,f1465]) ).

fof(f1684,plain,
    ! [X0] :
      ( ~ sQ35_spl
      | empty_set = relation_composition(X0,empty_set)
      | ~ relation(empty_set)
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f1462,f776]) ).

fof(f1687,definition,
    ! [X0] :
      ( sQ65_spl
    <=> ( empty_set = relation_composition(X0,empty_set)
        | ~ relation(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ65_spl])],[split_symbol_definition]) ).

fof(f1690,plain,
    ( ~ sQ35_spl
    | ~ sQ32_spl
    | sQ65_spl ),
    inference(split_clause,[status(thm)],[f1684,f1687,f1449,f1461]) ).

fof(f1791,plain,
    ! [X0] : ~ in(ordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0),identity_relation(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))),
    inference(resolution,[status(thm)],[f816,f941]) ).

fof(f1793,plain,
    ! [X0] : ~ in(ordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0),identity_relation(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))),
    inference(resolution,[status(thm)],[f816,f939]) ).

fof(f1800,plain,
    ! [X0,X1] :
      ( sQ9_spl
      | ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),X1),relation_composition(identity_relation(sK58_skl),X0))
      | ~ relation(X0) ),
    inference(resolution,[status(thm)],[f705,f1111]) ).

fof(f1825,plain,
    ! [X0] : ~ in(unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0),singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))),
    inference(resolution,[status(thm)],[f774,f1027]) ).

fof(f1826,plain,
    ! [X0] : ~ in(unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0),singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))),
    inference(resolution,[status(thm)],[f774,f1025]) ).

fof(f1827,plain,
    ! [X0] : ~ in(unordered_pair(X0,relation_composition(identity_relation(sK58_skl),sK57_skl)),singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))),
    inference(resolution,[status(thm)],[f774,f1068]) ).

fof(f1828,plain,
    ! [X0] : ~ in(unordered_pair(X0,relation_dom_restriction(sK57_skl,sK58_skl)),singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))),
    inference(resolution,[status(thm)],[f774,f1061]) ).

fof(f1883,plain,
    ( sQ9_spl
    | in(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK58_skl)
    | relation_composition(identity_relation(sK58_skl),sK57_skl) = relation_dom_restriction(sK57_skl,sK58_skl)
    | ~ relation(relation_composition(identity_relation(sK58_skl),sK57_skl))
    | ~ relation(sK57_skl)
    | ~ relation(sK57_skl) ),
    inference(resolution,[status(thm)],[f1800,f220]) ).

fof(f1893,plain,
    ( sQ9_spl
    | sQ11_spl
    | ~ sQ7_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f1883,f1100,f1103,f1154,f1109]) ).

fof(f1897,plain,
    ! [X0] :
      ( ~ sQ9_spl
      | ~ in(ordered_pair(sK58_skl,X0),identity_relation(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl))) ),
    inference(resolution,[status(thm)],[f1236,f816]) ).

fof(f1942,plain,
    ! [X0] :
      ( ~ element(unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0),singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl))))
      | empty(singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    inference(resolution,[status(thm)],[f1825,f271]) ).

fof(f1945,definition,
    ( sQ73_spl
  <=> empty(singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ73_spl])],[split_symbol_definition]) ).

fof(f1946,plain,
    ( ~ sQ73_spl
    | empty(singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    inference(component_clause,[status(thm)],[f1945]) ).

fof(f1948,definition,
    ! [X0] :
      ( sQ74_spl
    <=> ~ element(unordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0),singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ74_spl])],[split_symbol_definition]) ).

fof(f1951,plain,
    ( sQ74_spl
    | sQ73_spl ),
    inference(split_clause,[status(thm)],[f1942,f1945,f1948]) ).

fof(f1952,plain,
    ( ~ sQ73_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1946,f430]) ).

fof(f1953,plain,
    ~ sQ73_spl,
    inference(contradiction_clause,[status(thm)],[f1952]) ).

fof(f1960,plain,
    ! [X0] :
      ( ~ element(unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0),singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl))))
      | empty(singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    inference(resolution,[status(thm)],[f1826,f271]) ).

fof(f1963,definition,
    ( sQ75_spl
  <=> empty(singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ75_spl])],[split_symbol_definition]) ).

fof(f1964,plain,
    ( ~ sQ75_spl
    | empty(singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    inference(component_clause,[status(thm)],[f1963]) ).

fof(f1966,definition,
    ! [X0] :
      ( sQ76_spl
    <=> ~ element(unordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0),singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ76_spl])],[split_symbol_definition]) ).

fof(f1969,plain,
    ( sQ76_spl
    | sQ75_spl ),
    inference(split_clause,[status(thm)],[f1960,f1963,f1966]) ).

fof(f1970,plain,
    ( ~ sQ75_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1964,f430]) ).

fof(f1971,plain,
    ~ sQ75_spl,
    inference(contradiction_clause,[status(thm)],[f1970]) ).

fof(f2019,plain,
    ! [X0] :
      ( ~ element(unordered_pair(X0,relation_composition(identity_relation(sK58_skl),sK57_skl)),singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl))))
      | empty(singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    inference(resolution,[status(thm)],[f1827,f271]) ).

fof(f2022,definition,
    ! [X0] :
      ( sQ77_spl
    <=> ~ element(unordered_pair(X0,relation_composition(identity_relation(sK58_skl),sK57_skl)),singleton(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ77_spl])],[split_symbol_definition]) ).

fof(f2025,plain,
    ( sQ77_spl
    | sQ73_spl ),
    inference(split_clause,[status(thm)],[f2019,f1945,f2022]) ).

fof(f2032,plain,
    ! [X0] :
      ( ~ element(unordered_pair(X0,relation_dom_restriction(sK57_skl,sK58_skl)),singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl))))
      | empty(singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    inference(resolution,[status(thm)],[f1828,f271]) ).

fof(f2035,definition,
    ! [X0] :
      ( sQ78_spl
    <=> ~ element(unordered_pair(X0,relation_dom_restriction(sK57_skl,sK58_skl)),singleton(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ78_spl])],[split_symbol_definition]) ).

fof(f2038,plain,
    ( sQ78_spl
    | sQ75_spl ),
    inference(split_clause,[status(thm)],[f2032,f1963,f2035]) ).

fof(f2194,plain,
    ! [X0,X1] :
      ( ~ sQ9_spl
      | ~ in(ordered_pair(sK58_skl,X0),relation_composition(identity_relation(X1),identity_relation(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl))))
      | ~ relation(identity_relation(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl))) ),
    inference(resolution,[status(thm)],[f706,f1897]) ).

fof(f2195,plain,
    ! [X0] :
      ( sQ10_spl
      | ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),relation_composition(identity_relation(X0),sK57_skl))
      | ~ relation(sK57_skl) ),
    inference(resolution,[status(thm)],[f706,f1114]) ).

fof(f2209,plain,
    ! [X0,X1] :
      ( ~ in(ordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0),relation_composition(identity_relation(X1),identity_relation(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))))
      | ~ relation(identity_relation(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    inference(resolution,[status(thm)],[f706,f1791]) ).

fof(f2211,plain,
    ! [X0,X1] :
      ( ~ in(ordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0),relation_composition(identity_relation(X1),identity_relation(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))))
      | ~ relation(identity_relation(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    inference(resolution,[status(thm)],[f706,f1793]) ).

fof(f2213,plain,
    ! [X0,X1,X2] :
      ( ~ in(ordered_pair(X0,X1),relation_composition(identity_relation(X2),empty_set))
      | ~ relation(empty_set) ),
    inference(resolution,[status(thm)],[f706,f776]) ).

fof(f2219,definition,
    ( sQ83_spl
  <=> relation(identity_relation(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl))) ),
    introduced(definition,[new_symbols(definition,[sQ83_spl])],[split_symbol_definition]) ).

fof(f2221,plain,
    ( sQ83_spl
    | ~ relation(identity_relation(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl))) ),
    inference(component_clause,[status(thm)],[f2219]) ).

fof(f2222,definition,
    ! [X0,X1] :
      ( sQ84_spl
    <=> ~ in(ordered_pair(sK58_skl,X0),relation_composition(identity_relation(X1),identity_relation(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ84_spl])],[split_symbol_definition]) ).

fof(f2225,plain,
    ( ~ sQ9_spl
    | sQ84_spl
    | ~ sQ83_spl ),
    inference(split_clause,[status(thm)],[f2194,f2219,f2222,f1109]) ).

fof(f2226,definition,
    ! [X0] :
      ( sQ85_spl
    <=> ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),relation_composition(identity_relation(X0),sK57_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ85_spl])],[split_symbol_definition]) ).

fof(f2227,plain,
    ! [X0] :
      ( ~ sQ85_spl
      | ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),relation_composition(identity_relation(X0),sK57_skl)) ),
    inference(component_clause,[status(thm)],[f2226]) ).

fof(f2229,plain,
    ( sQ10_spl
    | sQ85_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f2195,f1100,f2226,f1112]) ).

fof(f2230,definition,
    ( sQ86_spl
  <=> relation(identity_relation(sK57_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ86_spl])],[split_symbol_definition]) ).

fof(f2232,plain,
    ( sQ86_spl
    | ~ relation(identity_relation(sK57_skl)) ),
    inference(component_clause,[status(thm)],[f2230]) ).

fof(f2246,definition,
    ( sQ88_spl
  <=> relation(identity_relation(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ88_spl])],[split_symbol_definition]) ).

fof(f2248,plain,
    ( sQ88_spl
    | ~ relation(identity_relation(singleton(relation_dom_restriction(sK57_skl,sK58_skl)))) ),
    inference(component_clause,[status(thm)],[f2246]) ).

fof(f2249,definition,
    ! [X0,X1] :
      ( sQ89_spl
    <=> ~ in(ordered_pair(relation_composition(identity_relation(sK58_skl),sK57_skl),X0),relation_composition(identity_relation(X1),identity_relation(singleton(relation_dom_restriction(sK57_skl,sK58_skl))))) ),
    introduced(definition,[new_symbols(definition,[sQ89_spl])],[split_symbol_definition]) ).

fof(f2252,plain,
    ( sQ89_spl
    | ~ sQ88_spl ),
    inference(split_clause,[status(thm)],[f2209,f2246,f2249]) ).

fof(f2254,definition,
    ( sQ90_spl
  <=> relation(identity_relation(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    introduced(definition,[new_symbols(definition,[sQ90_spl])],[split_symbol_definition]) ).

fof(f2256,plain,
    ( sQ90_spl
    | ~ relation(identity_relation(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl)))) ),
    inference(component_clause,[status(thm)],[f2254]) ).

fof(f2257,definition,
    ! [X0,X1] :
      ( sQ91_spl
    <=> ~ in(ordered_pair(relation_dom_restriction(sK57_skl,sK58_skl),X0),relation_composition(identity_relation(X1),identity_relation(singleton(relation_composition(identity_relation(sK58_skl),sK57_skl))))) ),
    introduced(definition,[new_symbols(definition,[sQ91_spl])],[split_symbol_definition]) ).

fof(f2260,plain,
    ( sQ91_spl
    | ~ sQ90_spl ),
    inference(split_clause,[status(thm)],[f2211,f2254,f2257]) ).

fof(f2262,definition,
    ! [X0,X1,X2] :
      ( sQ92_spl
    <=> ~ in(ordered_pair(X0,X1),relation_composition(identity_relation(X2),empty_set)) ),
    introduced(definition,[new_symbols(definition,[sQ92_spl])],[split_symbol_definition]) ).

fof(f2265,plain,
    ( sQ92_spl
    | ~ sQ32_spl ),
    inference(split_clause,[status(thm)],[f2213,f1449,f2262]) ).

fof(f2266,plain,
    ( ~ sQ8_spl
    | ~ sQ85_spl
    | $false ),
    inference(backward_subsumption_resolution,[status(thm)],[f1107,f2227]) ).

fof(f2267,plain,
    ( sQ86_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f2232,f408]) ).

fof(f2268,plain,
    sQ86_spl,
    inference(contradiction_clause,[status(thm)],[f2267]) ).

fof(f2269,plain,
    ( sQ83_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f2221,f408]) ).

fof(f2270,plain,
    sQ83_spl,
    inference(contradiction_clause,[status(thm)],[f2269]) ).

fof(f2271,plain,
    ( sQ90_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f2256,f408]) ).

fof(f2272,plain,
    sQ90_spl,
    inference(contradiction_clause,[status(thm)],[f2271]) ).

fof(f2273,plain,
    ( sQ88_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f2248,f408]) ).

fof(f2274,plain,
    sQ88_spl,
    inference(contradiction_clause,[status(thm)],[f2273]) ).

fof(f2275,plain,
    ( ~ sQ8_spl
    | ~ sQ85_spl ),
    inference(contradiction_clause,[status(thm)],[f2266]) ).

fof(f2362,plain,
    ( sQ8_spl
    | ~ in(ordered_pair(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK3_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl)),sK57_skl)
    | ~ in(sK2_skl(sK58_skl,relation_composition(identity_relation(sK58_skl),sK57_skl),sK57_skl),sK58_skl)
    | ~ relation(sK57_skl) ),
    inference(resolution,[status(thm)],[f1108,f707]) ).

fof(f2373,plain,
    ( sQ8_spl
    | ~ sQ10_spl
    | ~ sQ9_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f2362,f1100,f1109,f1112,f1106]) ).

fof(f2379,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f1039,f1041,f1053,f1055,f1115,f1169,f1182,f1184,f1186,f1225,f1353,f1452,f1456,f1460,f1464,f1468,f1472,f1476,f1480,f1484,f1488,f1492,f1493,f1497,f1501,f1505,f1509,f1513,f1523,f1528,f1607,f1611,f1615,f1663,f1675,f1683,f1690,f1893,f1951,f1953,f1969,f1971,f2025,f2038,f2225,f2229,f2252,f2260,f2265,f2268,f2270,f2272,f2274,f2275,f2373]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SEU195+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.04  % Command  : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.36  % Computer : n005.cluster.edu
% 0.11/0.36  % Model    : x86_64 x86_64
% 0.11/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.36  % Memory   : 8046.5625MB
% 0.11/0.36  % OS       : Linux 6.8.0-71-generic
% 0.11/0.36  % CPULimit : 300
% 0.11/0.36  % WCLimit  : 300
% 0.11/0.36  % DateTime : Mon Sep 21 05:56:19 UTC 2026
% 0.11/0.37  % CPUTime  : 
% 0.11/0.40  % Drodi V4.1.1
% 0.13/0.68  % Refutation found
% 0.13/0.68  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.13/0.68  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.74  % Elapsed time: 0.353367 seconds
% 0.13/0.74  % CPU time: 2.327648 seconds
% 0.13/0.74  % Total memory used: 136.434 MB
% 0.13/0.74  % Net memory used: 133.182 MB
%------------------------------------------------------------------------------