TSTP Solution File: SET027+1 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET027+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n011.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 12:33:38 EDT 2023

% Result   : Theorem 0.10s 0.36s
% Output   : CNFRefutation 0.10s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   23 (   5 unt;   0 def)
%            Number of atoms       :   67 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   72 (  28   ~;  25   |;  14   &)
%                                         (   2 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   54 (;  46   !;   8   ?)

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

fof(f44,conjecture,
    ! [X,Y,Z] :
      ( ( subclass(X,Y)
        & subclass(Y,Z) )
     => subclass(X,Z) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f45,negated_conjecture,
    ~ ! [X,Y,Z] :
        ( ( subclass(X,Y)
          & subclass(Y,Z) )
       => subclass(X,Z) ),
    inference(negated_conjecture,[status(cth)],[f44]) ).

fof(f46,plain,
    ! [X,Y] :
      ( subclass(X,Y)
    <=> ! [U] :
          ( ~ member(U,X)
          | member(U,Y) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f1]) ).

fof(f47,plain,
    ! [X,Y] :
      ( ( ~ subclass(X,Y)
        | ! [U] :
            ( ~ member(U,X)
            | member(U,Y) ) )
      & ( subclass(X,Y)
        | ? [U] :
            ( member(U,X)
            & ~ member(U,Y) ) ) ),
    inference(NNF_transformation,[status(esa)],[f46]) ).

fof(f48,plain,
    ( ! [X,Y] :
        ( ~ subclass(X,Y)
        | ! [U] :
            ( ~ member(U,X)
            | member(U,Y) ) )
    & ! [X,Y] :
        ( subclass(X,Y)
        | ? [U] :
            ( member(U,X)
            & ~ member(U,Y) ) ) ),
    inference(miniscoping,[status(esa)],[f47]) ).

fof(f49,plain,
    ( ! [X,Y] :
        ( ~ subclass(X,Y)
        | ! [U] :
            ( ~ member(U,X)
            | member(U,Y) ) )
    & ! [X,Y] :
        ( subclass(X,Y)
        | ( member(sk0_0(Y,X),X)
          & ~ member(sk0_0(Y,X),Y) ) ) ),
    inference(skolemization,[status(esa)],[f48]) ).

fof(f50,plain,
    ! [X0,X1,X2] :
      ( ~ subclass(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f49]) ).

fof(f51,plain,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | member(sk0_0(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f49]) ).

fof(f52,plain,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(sk0_0(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f49]) ).

fof(f191,plain,
    ? [X,Y,Z] :
      ( subclass(X,Y)
      & subclass(Y,Z)
      & ~ subclass(X,Z) ),
    inference(pre_NNF_transformation,[status(esa)],[f45]) ).

fof(f192,plain,
    ? [X,Z] :
      ( ? [Y] :
          ( subclass(X,Y)
          & subclass(Y,Z) )
      & ~ subclass(X,Z) ),
    inference(miniscoping,[status(esa)],[f191]) ).

fof(f193,plain,
    ( subclass(sk0_7,sk0_9)
    & subclass(sk0_9,sk0_8)
    & ~ subclass(sk0_7,sk0_8) ),
    inference(skolemization,[status(esa)],[f192]) ).

fof(f194,plain,
    subclass(sk0_7,sk0_9),
    inference(cnf_transformation,[status(esa)],[f193]) ).

fof(f195,plain,
    subclass(sk0_9,sk0_8),
    inference(cnf_transformation,[status(esa)],[f193]) ).

fof(f196,plain,
    ~ subclass(sk0_7,sk0_8),
    inference(cnf_transformation,[status(esa)],[f193]) ).

fof(f226,plain,
    ! [X0,X1,X2] :
      ( subclass(X0,X1)
      | ~ subclass(X2,X1)
      | ~ member(sk0_0(X1,X0),X2) ),
    inference(resolution,[status(thm)],[f52,f50]) ).

fof(f266,plain,
    ! [X0,X1,X2,X3] :
      ( subclass(X0,X1)
      | ~ subclass(X2,X1)
      | ~ subclass(X3,X2)
      | ~ member(sk0_0(X1,X0),X3) ),
    inference(resolution,[status(thm)],[f226,f50]) ).

fof(f405,plain,
    ! [X0,X1,X2] :
      ( subclass(X0,X1)
      | ~ subclass(X2,X1)
      | ~ subclass(X0,X2)
      | subclass(X0,X1) ),
    inference(resolution,[status(thm)],[f266,f51]) ).

fof(f406,plain,
    ! [X0,X1,X2] :
      ( subclass(X0,X1)
      | ~ subclass(X2,X1)
      | ~ subclass(X0,X2) ),
    inference(duplicate_literals_removal,[status(esa)],[f405]) ).

fof(f420,plain,
    ! [X0] :
      ( subclass(X0,sk0_8)
      | ~ subclass(X0,sk0_9) ),
    inference(resolution,[status(thm)],[f406,f195]) ).

fof(f429,plain,
    subclass(sk0_7,sk0_8),
    inference(resolution,[status(thm)],[f420,f194]) ).

fof(f430,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[f429,f196]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SET027+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.09/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.31  % Computer : n011.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit : 300
% 0.10/0.31  % WCLimit  : 300
% 0.10/0.31  % DateTime : Tue May 30 10:18:27 EDT 2023
% 0.10/0.31  % CPUTime  : 
% 0.10/0.32  % Drodi V3.5.1
% 0.10/0.36  % Refutation found
% 0.10/0.36  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.10/0.36  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.16/0.57  % Elapsed time: 0.043289 seconds
% 0.16/0.57  % CPU time: 0.023827 seconds
% 0.16/0.57  % Memory used: 4.002 MB
%------------------------------------------------------------------------------