TSTP Solution File: SET067-6 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET067-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 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 12:33:50 EDT 2023

% Result   : Unsatisfiable 0.12s 0.35s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   41 (   9 unt;   0 def)
%            Number of atoms       :   82 (  13 equ)
%            Maximal formula atoms :    3 (   2 avg)
%            Number of connectives :   72 (  31   ~;  38   |;   0   &)
%                                         (   3 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   4 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   44 (;  44   !;   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(f4,axiom,
    ! [X] : subclass(X,universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [U,X,Y] :
      ( ~ member(U,unordered_pair(X,Y))
      | U = X
      | U = Y ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [X,Y] :
      ( ~ member(X,universal_class)
      | member(X,unordered_pair(X,Y)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [X] : unordered_pair(X,X) = singleton(X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f92,negated_conjecture,
    ~ subclass(singleton(x),unordered_pair(x,y)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f93,plain,
    ! [Y,U] :
      ( ! [X] :
          ( ~ subclass(X,Y)
          | ~ member(U,X) )
      | member(U,Y) ),
    inference(miniscoping,[status(esa)],[f1]) ).

fof(f94,plain,
    ! [X0,X1,X2] :
      ( ~ subclass(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f93]) ).

fof(f95,plain,
    ! [X0,X1] :
      ( member(not_subclass_element(X0,X1),X0)
      | subclass(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f96,plain,
    ! [X0,X1] :
      ( ~ member(not_subclass_element(X0,X1),X1)
      | subclass(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f97,plain,
    ! [X0] : subclass(X0,universal_class),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f101,plain,
    ! [U,Y] :
      ( ! [X] :
          ( ~ member(U,unordered_pair(X,Y))
          | U = X )
      | U = Y ),
    inference(miniscoping,[status(esa)],[f8]) ).

fof(f102,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,unordered_pair(X1,X2))
      | X0 = X1
      | X0 = X2 ),
    inference(cnf_transformation,[status(esa)],[f101]) ).

fof(f103,plain,
    ! [X] :
      ( ~ member(X,universal_class)
      | ! [Y] : member(X,unordered_pair(X,Y)) ),
    inference(miniscoping,[status(esa)],[f9]) ).

fof(f104,plain,
    ! [X0,X1] :
      ( ~ member(X0,universal_class)
      | member(X0,unordered_pair(X0,X1)) ),
    inference(cnf_transformation,[status(esa)],[f103]) ).

fof(f108,plain,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    inference(cnf_transformation,[status(esa)],[f12]) ).

fof(f198,plain,
    ~ subclass(singleton(x),unordered_pair(x,y)),
    inference(cnf_transformation,[status(esa)],[f92]) ).

fof(f205,plain,
    ! [X0,X1] :
      ( ~ member(X0,singleton(X1))
      | X0 = X1
      | X0 = X1 ),
    inference(paramodulation,[status(thm)],[f108,f102]) ).

fof(f206,plain,
    ! [X0,X1] :
      ( ~ member(X0,singleton(X1))
      | X0 = X1 ),
    inference(duplicate_literals_removal,[status(esa)],[f205]) ).

fof(f225,plain,
    ! [X0,X1] :
      ( subclass(singleton(X0),X1)
      | not_subclass_element(singleton(X0),X1) = X0 ),
    inference(resolution,[status(thm)],[f95,f206]) ).

fof(f237,plain,
    not_subclass_element(singleton(x),unordered_pair(x,y)) = x,
    inference(resolution,[status(thm)],[f225,f198]) ).

fof(f241,plain,
    ( spl0_0
  <=> member(x,unordered_pair(x,y)) ),
    introduced(split_symbol_definition) ).

fof(f243,plain,
    ( ~ member(x,unordered_pair(x,y))
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f241]) ).

fof(f244,plain,
    ( spl0_1
  <=> subclass(singleton(x),unordered_pair(x,y)) ),
    introduced(split_symbol_definition) ).

fof(f245,plain,
    ( subclass(singleton(x),unordered_pair(x,y))
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f244]) ).

fof(f247,plain,
    ( ~ member(x,unordered_pair(x,y))
    | subclass(singleton(x),unordered_pair(x,y)) ),
    inference(paramodulation,[status(thm)],[f237,f96]) ).

fof(f248,plain,
    ( ~ spl0_0
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f247,f241,f244]) ).

fof(f249,plain,
    ( spl0_2
  <=> member(x,singleton(x)) ),
    introduced(split_symbol_definition) ).

fof(f250,plain,
    ( member(x,singleton(x))
    | ~ spl0_2 ),
    inference(component_clause,[status(thm)],[f249]) ).

fof(f252,plain,
    ( member(x,singleton(x))
    | subclass(singleton(x),unordered_pair(x,y)) ),
    inference(paramodulation,[status(thm)],[f237,f95]) ).

fof(f253,plain,
    ( spl0_2
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f252,f249,f244]) ).

fof(f254,plain,
    ( $false
    | ~ spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f245,f198]) ).

fof(f255,plain,
    ~ spl0_1,
    inference(contradiction_clause,[status(thm)],[f254]) ).

fof(f256,plain,
    ( ~ member(x,universal_class)
    | spl0_0 ),
    inference(resolution,[status(thm)],[f243,f104]) ).

fof(f258,plain,
    ! [X0] :
      ( ~ subclass(X0,universal_class)
      | ~ member(x,X0)
      | spl0_0 ),
    inference(resolution,[status(thm)],[f256,f94]) ).

fof(f259,plain,
    ! [X0] :
      ( ~ member(x,X0)
      | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f258,f97]) ).

fof(f264,plain,
    ( $false
    | spl0_0
    | ~ spl0_2 ),
    inference(forward_subsumption_resolution,[status(thm)],[f250,f259]) ).

fof(f265,plain,
    ( spl0_0
    | ~ spl0_2 ),
    inference(contradiction_clause,[status(thm)],[f264]) ).

fof(f266,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f248,f253,f255,f265]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET067-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.06/0.12  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.33  % Computer : n012.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Tue May 30 10:11:25 EDT 2023
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  % Drodi V3.5.1
% 0.12/0.35  % Refutation found
% 0.12/0.35  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.12/0.35  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.12/0.37  % Elapsed time: 0.026541 seconds
% 0.12/0.37  % CPU time: 0.043067 seconds
% 0.12/0.37  % Memory used: 15.136 MB
%------------------------------------------------------------------------------