TSTP Solution File: SET664+3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET664+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n012.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed May 31 12:34:58 EDT 2023

% Result   : Theorem 0.09s 0.31s
% Output   : CNFRefutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   53 (  11 unt;   0 def)
%            Number of atoms       :  154 (  25 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  162 (  61   ~;  57   |;  17   &)
%                                         (   4 <=>;  23  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   3 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-2 aty)
%            Number of variables   :   74 (;  71   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ( subset(B,empty_set)
       => B = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [B] :
      ( ilf_type(B,binary_relation_type)
     => ( ( domain_of(B) = empty_set
          | range_of(B) = empty_set )
       => B = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,relation_type(B,C))
             => ( subset(domain_of(D),B)
                & subset(range_of(D),C) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( ! [D] :
                ( ilf_type(D,subset_type(cross_product(B,C)))
               => ilf_type(D,relation_type(B,C)) )
            & ! [E] :
                ( ilf_type(E,relation_type(B,C))
               => ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

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

fof(f29,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,subset_type(cross_product(B,C)))
             => relation_like(D) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f34,axiom,
    ! [B] : ilf_type(B,set_type),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f35,conjecture,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,relation_type(C,B))
             => ( ilf_type(D,relation_type(C,empty_set))
               => D = empty_set ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f36,negated_conjecture,
    ~ ! [B] :
        ( ilf_type(B,set_type)
       => ! [C] :
            ( ilf_type(C,set_type)
           => ! [D] :
                ( ilf_type(D,relation_type(C,B))
               => ( ilf_type(D,relation_type(C,empty_set))
                 => D = empty_set ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f35]) ).

fof(f37,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ~ subset(B,empty_set)
      | B = empty_set ),
    inference(pre_NNF_transformation,[status(esa)],[f1]) ).

fof(f38,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ~ subset(X0,empty_set)
      | X0 = empty_set ),
    inference(cnf_transformation,[status(esa)],[f37]) ).

fof(f39,plain,
    ! [B] :
      ( ~ ilf_type(B,binary_relation_type)
      | ( domain_of(B) != empty_set
        & range_of(B) != empty_set )
      | B = empty_set ),
    inference(pre_NNF_transformation,[status(esa)],[f2]) ).

fof(f41,plain,
    ! [X0] :
      ( ~ ilf_type(X0,binary_relation_type)
      | range_of(X0) != empty_set
      | X0 = empty_set ),
    inference(cnf_transformation,[status(esa)],[f39]) ).

fof(f42,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ! [D] :
              ( ~ ilf_type(D,relation_type(B,C))
              | ( subset(domain_of(D),B)
                & subset(range_of(D),C) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f3]) ).

fof(f44,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X2,relation_type(X0,X1))
      | subset(range_of(X2),X1) ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f49,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ! [D] :
                ( ~ ilf_type(D,subset_type(cross_product(B,C)))
                | ilf_type(D,relation_type(B,C)) )
            & ! [E] :
                ( ~ ilf_type(E,relation_type(B,C))
                | ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f7]) ).

fof(f51,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X2,relation_type(X0,X1))
      | ilf_type(X2,subset_type(cross_product(X0,X1))) ),
    inference(cnf_transformation,[status(esa)],[f49]) ).

fof(f72,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ( ilf_type(B,binary_relation_type)
      <=> ( relation_like(B)
          & ilf_type(B,set_type) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f14]) ).

fof(f73,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ( ( ~ ilf_type(B,binary_relation_type)
          | ( relation_like(B)
            & ilf_type(B,set_type) ) )
        & ( ilf_type(B,binary_relation_type)
          | ~ relation_like(B)
          | ~ ilf_type(B,set_type) ) ) ),
    inference(NNF_transformation,[status(esa)],[f72]) ).

fof(f76,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ilf_type(X0,binary_relation_type)
      | ~ relation_like(X0)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[status(esa)],[f73]) ).

fof(f133,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ! [D] :
              ( ~ ilf_type(D,subset_type(cross_product(B,C)))
              | relation_like(D) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f29]) ).

fof(f134,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X2,subset_type(cross_product(X0,X1)))
      | relation_like(X2) ),
    inference(cnf_transformation,[status(esa)],[f133]) ).

fof(f143,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[status(esa)],[f34]) ).

fof(f144,plain,
    ? [B] :
      ( ilf_type(B,set_type)
      & ? [C] :
          ( ilf_type(C,set_type)
          & ? [D] :
              ( ilf_type(D,relation_type(C,B))
              & ilf_type(D,relation_type(C,empty_set))
              & D != empty_set ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f36]) ).

fof(f145,plain,
    ( ilf_type(sk0_12,set_type)
    & ilf_type(sk0_13,set_type)
    & ilf_type(sk0_14,relation_type(sk0_13,sk0_12))
    & ilf_type(sk0_14,relation_type(sk0_13,empty_set))
    & sk0_14 != empty_set ),
    inference(skolemization,[status(esa)],[f144]) ).

fof(f149,plain,
    ilf_type(sk0_14,relation_type(sk0_13,empty_set)),
    inference(cnf_transformation,[status(esa)],[f145]) ).

fof(f150,plain,
    sk0_14 != empty_set,
    inference(cnf_transformation,[status(esa)],[f145]) ).

fof(f151,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ilf_type(X0,binary_relation_type)
      | ~ relation_like(X0) ),
    inference(duplicate_literals_removal,[status(esa)],[f76]) ).

fof(f156,plain,
    ! [X0] :
      ( ~ subset(X0,empty_set)
      | X0 = empty_set ),
    inference(forward_subsumption_resolution,[status(thm)],[f38,f143]) ).

fof(f172,plain,
    ! [X0] :
      ( ilf_type(X0,binary_relation_type)
      | ~ relation_like(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f151,f143]) ).

fof(f201,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,relation_type(X2,X0))
      | subset(range_of(X1),X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f44,f143]) ).

fof(f202,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,relation_type(X1,X2))
      | subset(range_of(X0),X2) ),
    inference(resolution,[status(thm)],[f201,f143]) ).

fof(f207,plain,
    subset(range_of(sk0_14),empty_set),
    inference(resolution,[status(thm)],[f202,f149]) ).

fof(f209,plain,
    range_of(sk0_14) = empty_set,
    inference(resolution,[status(thm)],[f207,f156]) ).

fof(f219,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,relation_type(X2,X0))
      | ilf_type(X1,subset_type(cross_product(X2,X0))) ),
    inference(forward_subsumption_resolution,[status(thm)],[f51,f143]) ).

fof(f220,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,relation_type(X1,X2))
      | ilf_type(X0,subset_type(cross_product(X1,X2))) ),
    inference(resolution,[status(thm)],[f219,f143]) ).

fof(f251,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,subset_type(cross_product(X2,X0)))
      | relation_like(X1) ),
    inference(forward_subsumption_resolution,[status(thm)],[f134,f143]) ).

fof(f252,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,subset_type(cross_product(X1,X2)))
      | relation_like(X0) ),
    inference(resolution,[status(thm)],[f251,f143]) ).

fof(f254,plain,
    ! [X0,X1,X2] :
      ( relation_like(X0)
      | ~ ilf_type(X0,relation_type(X1,X2)) ),
    inference(resolution,[status(thm)],[f252,f220]) ).

fof(f258,plain,
    relation_like(sk0_14),
    inference(resolution,[status(thm)],[f254,f149]) ).

fof(f260,plain,
    ilf_type(sk0_14,binary_relation_type),
    inference(resolution,[status(thm)],[f258,f172]) ).

fof(f264,plain,
    ( spl0_8
  <=> range_of(sk0_14) = empty_set ),
    introduced(split_symbol_definition) ).

fof(f266,plain,
    ( range_of(sk0_14) != empty_set
    | spl0_8 ),
    inference(component_clause,[status(thm)],[f264]) ).

fof(f267,plain,
    ( spl0_9
  <=> sk0_14 = empty_set ),
    introduced(split_symbol_definition) ).

fof(f268,plain,
    ( sk0_14 = empty_set
    | ~ spl0_9 ),
    inference(component_clause,[status(thm)],[f267]) ).

fof(f270,plain,
    ( range_of(sk0_14) != empty_set
    | sk0_14 = empty_set ),
    inference(resolution,[status(thm)],[f260,f41]) ).

fof(f271,plain,
    ( ~ spl0_8
    | spl0_9 ),
    inference(split_clause,[status(thm)],[f270,f264,f267]) ).

fof(f277,plain,
    ( empty_set != empty_set
    | spl0_8 ),
    inference(forward_demodulation,[status(thm)],[f209,f266]) ).

fof(f278,plain,
    ( $false
    | spl0_8 ),
    inference(trivial_equality_resolution,[status(esa)],[f277]) ).

fof(f279,plain,
    spl0_8,
    inference(contradiction_clause,[status(thm)],[f278]) ).

fof(f280,plain,
    ( $false
    | ~ spl0_9 ),
    inference(forward_subsumption_resolution,[status(thm)],[f268,f150]) ).

fof(f281,plain,
    ~ spl0_9,
    inference(contradiction_clause,[status(thm)],[f280]) ).

fof(f282,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f271,f279,f281]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.09  % Problem  : SET664+3 : TPTP v8.1.2. Released v2.2.0.
% 0.02/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.30  % Computer : n012.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit : 300
% 0.09/0.30  % WCLimit  : 300
% 0.09/0.30  % DateTime : Tue May 30 10:12:10 EDT 2023
% 0.09/0.30  % CPUTime  : 
% 0.09/0.31  % Drodi V3.5.1
% 0.09/0.31  % Refutation found
% 0.09/0.31  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.09/0.31  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.14/0.53  % Elapsed time: 0.013906 seconds
% 0.14/0.53  % CPU time: 0.014568 seconds
% 0.14/0.53  % Memory used: 3.055 MB
%------------------------------------------------------------------------------