TSTP Solution File: SET454-6 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET454-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n004.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 12:34:33 EDT 2023

% Result   : Unsatisfiable 15.37s 2.37s
% Output   : CNFRefutation 15.37s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   35 (  12 unt;   0 def)
%            Number of atoms       :   64 (   6 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   54 (  25   ~;  29   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    6 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   4 con; 0-2 aty)
%            Number of variables   :   70 (;  70   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X,Y,U] :
      ( ~ subclass(X,Y)
      | ~ member(U,X)
      | member(U,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [X,Y] :
      ( member(not_subclass_element(X,Y),X)
      | subclass(X,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X,Y] :
      ( ~ member(not_subclass_element(X,Y),Y)
      | subclass(X,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [X,Y] :
      ( X != Y
      | subclass(X,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f21,axiom,
    ! [Z,X,Y] :
      ( ~ member(Z,intersection(X,Y))
      | member(Z,X) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f22,axiom,
    ! [Z,X,Y] :
      ( ~ member(Z,intersection(X,Y))
      | member(Z,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f74,axiom,
    intersection(cross_product(universal_class,universal_class),intersection(cross_product(universal_class,universal_class),complement(compose(complement(element_relation),inverse(element_relation))))) = subset_relation,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f75,axiom,
    intersection(inverse(subset_relation),subset_relation) = identity_relation,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f113,negated_conjecture,
    ~ subclass(identity_relation,cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f114,plain,
    ! [Y,U] :
      ( ! [X] :
          ( ~ subclass(X,Y)
          | ~ member(U,X) )
      | member(U,Y) ),
    inference(miniscoping,[status(esa)],[f1]) ).

fof(f115,plain,
    ! [X0,X1,X2] :
      ( ~ subclass(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f114]) ).

fof(f116,plain,
    ! [X0,X1] :
      ( member(not_subclass_element(X0,X1),X0)
      | subclass(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f117,plain,
    ! [X0,X1] :
      ( ~ member(not_subclass_element(X0,X1),X1)
      | subclass(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f119,plain,
    ! [X0,X1] :
      ( X0 != X1
      | subclass(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f141,plain,
    ! [Z,X] :
      ( ! [Y] : ~ member(Z,intersection(X,Y))
      | member(Z,X) ),
    inference(miniscoping,[status(esa)],[f21]) ).

fof(f142,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,intersection(X1,X2))
      | member(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f141]) ).

fof(f143,plain,
    ! [Z,Y] :
      ( ! [X] : ~ member(Z,intersection(X,Y))
      | member(Z,Y) ),
    inference(miniscoping,[status(esa)],[f22]) ).

fof(f144,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,intersection(X1,X2))
      | member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f143]) ).

fof(f196,plain,
    intersection(cross_product(universal_class,universal_class),intersection(cross_product(universal_class,universal_class),complement(compose(complement(element_relation),inverse(element_relation))))) = subset_relation,
    inference(cnf_transformation,[status(esa)],[f74]) ).

fof(f197,plain,
    intersection(inverse(subset_relation),subset_relation) = identity_relation,
    inference(cnf_transformation,[status(esa)],[f75]) ).

fof(f245,plain,
    ~ subclass(identity_relation,cross_product(universal_class,universal_class)),
    inference(cnf_transformation,[status(esa)],[f113]) ).

fof(f246,plain,
    ! [X0] : subclass(X0,X0),
    inference(destructive_equality_resolution,[status(esa)],[f119]) ).

fof(f278,plain,
    ! [X0,X1,X2] :
      ( subclass(X0,X1)
      | ~ subclass(X2,X1)
      | ~ member(not_subclass_element(X0,X1),X2) ),
    inference(resolution,[status(thm)],[f117,f115]) ).

fof(f279,plain,
    ! [X0,X1,X2] :
      ( member(not_subclass_element(intersection(X0,X1),X2),X0)
      | subclass(intersection(X0,X1),X2) ),
    inference(resolution,[status(thm)],[f142,f116]) ).

fof(f284,plain,
    ! [X0,X1,X2,X3] :
      ( member(X0,X1)
      | ~ subclass(X2,intersection(X3,X1))
      | ~ member(X0,X2) ),
    inference(resolution,[status(thm)],[f144,f115]) ).

fof(f564,plain,
    ! [X0,X1,X2] :
      ( member(X0,X1)
      | ~ member(X0,intersection(X2,X1)) ),
    inference(resolution,[status(thm)],[f284,f246]) ).

fof(f605,plain,
    ! [X0,X1,X2] :
      ( subclass(intersection(X0,X1),X2)
      | member(not_subclass_element(intersection(X0,X1),X2),X1) ),
    inference(resolution,[status(thm)],[f116,f564]) ).

fof(f996,plain,
    ! [X0,X1,X2] :
      ( subclass(intersection(X0,X1),X2)
      | subclass(intersection(X0,X1),X2)
      | ~ subclass(X1,X2) ),
    inference(resolution,[status(thm)],[f605,f278]) ).

fof(f997,plain,
    ! [X0,X1,X2] :
      ( subclass(intersection(X0,X1),X2)
      | ~ subclass(X1,X2) ),
    inference(duplicate_literals_removal,[status(esa)],[f996]) ).

fof(f1342,plain,
    ! [X0,X1] :
      ( subclass(intersection(X0,X1),X0)
      | subclass(intersection(X0,X1),X0) ),
    inference(resolution,[status(thm)],[f279,f117]) ).

fof(f1343,plain,
    ! [X0,X1] : subclass(intersection(X0,X1),X0),
    inference(duplicate_literals_removal,[status(esa)],[f1342]) ).

fof(f1368,plain,
    ! [X0,X1,X2] : subclass(intersection(X0,intersection(X1,X2)),X1),
    inference(resolution,[status(thm)],[f1343,f997]) ).

fof(f6156,plain,
    ! [X0] : subclass(intersection(X0,subset_relation),cross_product(universal_class,universal_class)),
    inference(paramodulation,[status(thm)],[f196,f1368]) ).

fof(f6881,plain,
    subclass(identity_relation,cross_product(universal_class,universal_class)),
    inference(paramodulation,[status(thm)],[f197,f6156]) ).

fof(f6882,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[f6881,f245]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SET454-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.12/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n004.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Tue May 30 10:12:52 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.36  % Drodi V3.5.1
% 15.37/2.37  % Refutation found
% 15.37/2.37  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 15.37/2.37  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 16.18/2.42  % Elapsed time: 2.054498 seconds
% 16.18/2.42  % CPU time: 16.085643 seconds
% 16.18/2.42  % Memory used: 144.070 MB
%------------------------------------------------------------------------------