TSTP Solution File: SET676+3 by Metis---2.4

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%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET676+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n029.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 03:36:33 EDT 2022

% Result   : Theorem 0.20s 0.37s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   32 (  13 unt;   0 def)
%            Number of atoms       :   73 (   0 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   79 (  38   ~;  29   |;   2   &)
%                                         (   3 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   43 (   2 sgn  24   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(p1,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ilf_type(cross_product(B,C),relation_type(B,C)) ) ) ).

fof(p4,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( ilf_type(C,identity_relation_of_type(B))
          <=> ilf_type(C,relation_type(B,B)) ) ) ) ).

fof(p19,axiom,
    ! [B] : ilf_type(B,set_type) ).

fof(prove_relset_1_41,conjecture,
    ! [B] :
      ( ilf_type(B,set_type)
     => ilf_type(cross_product(B,B),identity_relation_of_type(B)) ) ).

fof(subgoal_0,plain,
    ! [B] :
      ( ilf_type(B,set_type)
     => ilf_type(cross_product(B,B),identity_relation_of_type(B)) ),
    inference(strip,[],[prove_relset_1_41]) ).

fof(negate_0_0,plain,
    ~ ! [B] :
        ( ilf_type(B,set_type)
       => ilf_type(cross_product(B,B),identity_relation_of_type(B)) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [B] :
      ( ~ ilf_type(cross_product(B,B),identity_relation_of_type(B))
      & ilf_type(B,set_type) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ! [B] : ilf_type(B,set_type),
    inference(canonicalize,[],[p19]) ).

fof(normalize_0_2,plain,
    ! [B] : ilf_type(B,set_type),
    inference(specialize,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ? [B] : ~ ilf_type(cross_product(B,B),identity_relation_of_type(B)),
    inference(simplify,[],[normalize_0_0,normalize_0_2]) ).

fof(normalize_0_4,plain,
    ~ ilf_type(cross_product(skolemFOFtoCNF_B,skolemFOFtoCNF_B),identity_relation_of_type(skolemFOFtoCNF_B)),
    inference(skolemize,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ilf_type(cross_product(B,C),relation_type(B,C)) ) ),
    inference(canonicalize,[],[p1]) ).

fof(normalize_0_6,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ilf_type(cross_product(B,C),relation_type(B,C)) ) ),
    inference(specialize,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [B,C] :
      ( ~ ilf_type(B,set_type)
      | ~ ilf_type(C,set_type)
      | ilf_type(cross_product(B,C),relation_type(B,C)) ),
    inference(clausify,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ~ ilf_type(C,identity_relation_of_type(B))
          <=> ~ ilf_type(C,relation_type(B,B)) ) ) ),
    inference(canonicalize,[],[p4]) ).

fof(normalize_0_9,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ~ ilf_type(C,identity_relation_of_type(B))
          <=> ~ ilf_type(C,relation_type(B,B)) ) ) ),
    inference(specialize,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [B,C] :
      ( ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,identity_relation_of_type(B))
        | ~ ilf_type(C,set_type)
        | ilf_type(C,relation_type(B,B)) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,relation_type(B,B))
        | ~ ilf_type(C,set_type)
        | ilf_type(C,identity_relation_of_type(B)) ) ),
    inference(clausify,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ! [B,C] :
      ( ~ ilf_type(B,set_type)
      | ~ ilf_type(C,relation_type(B,B))
      | ~ ilf_type(C,set_type)
      | ilf_type(C,identity_relation_of_type(B)) ),
    inference(conjunct,[],[normalize_0_10]) ).

cnf(refute_0_0,plain,
    ~ ilf_type(cross_product(skolemFOFtoCNF_B,skolemFOFtoCNF_B),identity_relation_of_type(skolemFOFtoCNF_B)),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_1,plain,
    ( ~ ilf_type(B,set_type)
    | ~ ilf_type(C,set_type)
    | ilf_type(cross_product(B,C),relation_type(B,C)) ),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_2,plain,
    ilf_type(B,set_type),
    inference(canonicalize,[],[normalize_0_2]) ).

cnf(refute_0_3,plain,
    ( ~ ilf_type(C,set_type)
    | ilf_type(cross_product(B,C),relation_type(B,C)) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_2,refute_0_1]) ).

cnf(refute_0_4,plain,
    ilf_type(C,set_type),
    inference(subst,[],[refute_0_2:[bind(B,$fot(C))]]) ).

cnf(refute_0_5,plain,
    ilf_type(cross_product(B,C),relation_type(B,C)),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_4,refute_0_3]) ).

cnf(refute_0_6,plain,
    ilf_type(cross_product(X_18,X_18),relation_type(X_18,X_18)),
    inference(subst,[],[refute_0_5:[bind(B,$fot(X_18)),bind(C,$fot(X_18))]]) ).

cnf(refute_0_7,plain,
    ( ~ ilf_type(B,set_type)
    | ~ ilf_type(C,relation_type(B,B))
    | ~ ilf_type(C,set_type)
    | ilf_type(C,identity_relation_of_type(B)) ),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_8,plain,
    ( ~ ilf_type(C,relation_type(B,B))
    | ~ ilf_type(C,set_type)
    | ilf_type(C,identity_relation_of_type(B)) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_2,refute_0_7]) ).

cnf(refute_0_9,plain,
    ( ~ ilf_type(C,relation_type(B,B))
    | ilf_type(C,identity_relation_of_type(B)) ),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_4,refute_0_8]) ).

cnf(refute_0_10,plain,
    ( ~ ilf_type(cross_product(X_18,X_18),relation_type(X_18,X_18))
    | ilf_type(cross_product(X_18,X_18),identity_relation_of_type(X_18)) ),
    inference(subst,[],[refute_0_9:[bind(B,$fot(X_18)),bind(C,$fot(cross_product(X_18,X_18)))]]) ).

cnf(refute_0_11,plain,
    ilf_type(cross_product(X_18,X_18),identity_relation_of_type(X_18)),
    inference(resolve,[$cnf( ilf_type(cross_product(X_18,X_18),relation_type(X_18,X_18)) )],[refute_0_6,refute_0_10]) ).

cnf(refute_0_12,plain,
    ilf_type(cross_product(skolemFOFtoCNF_B,skolemFOFtoCNF_B),identity_relation_of_type(skolemFOFtoCNF_B)),
    inference(subst,[],[refute_0_11:[bind(X_18,$fot(skolemFOFtoCNF_B))]]) ).

cnf(refute_0_13,plain,
    $false,
    inference(resolve,[$cnf( ilf_type(cross_product(skolemFOFtoCNF_B,skolemFOFtoCNF_B),identity_relation_of_type(skolemFOFtoCNF_B)) )],[refute_0_12,refute_0_0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SET676+3 : TPTP v8.1.0. Released v2.2.0.
% 0.04/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.34  % Computer : n029.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jul 10 12:31:46 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.35  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.20/0.37  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.37  
% 0.20/0.37  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.20/0.37  
%------------------------------------------------------------------------------