TSTP Solution File: SEU121+2 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SEU121+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n015.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 12:35:52 EDT 2023

% Result   : Theorem 0.11s 0.35s
% Output   : CNFRefutation 0.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   27 (   6 unt;   0 def)
%            Number of atoms       :   68 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   64 (  23   ~;  21   |;  14   &)
%                                         (   3 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   2 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   44 (;  36   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [C] :
          ( in(C,A)
         => in(C,B) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f15,conjecture,
    ! [A,B,C] :
      ( ( subset(A,B)
        & subset(B,C) )
     => subset(A,C) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f16,negated_conjecture,
    ~ ! [A,B,C] :
        ( ( subset(A,B)
          & subset(B,C) )
       => subset(A,C) ),
    inference(negated_conjecture,[status(cth)],[f15]) ).

fof(f30,plain,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [C] :
          ( ~ in(C,A)
          | in(C,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f4]) ).

fof(f31,plain,
    ! [A,B] :
      ( ( ~ subset(A,B)
        | ! [C] :
            ( ~ in(C,A)
            | in(C,B) ) )
      & ( subset(A,B)
        | ? [C] :
            ( in(C,A)
            & ~ in(C,B) ) ) ),
    inference(NNF_transformation,[status(esa)],[f30]) ).

fof(f32,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [C] :
            ( ~ in(C,A)
            | in(C,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ? [C] :
            ( in(C,A)
            & ~ in(C,B) ) ) ),
    inference(miniscoping,[status(esa)],[f31]) ).

fof(f33,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [C] :
            ( ~ in(C,A)
            | in(C,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ( in(sk0_1(B,A),A)
          & ~ in(sk0_1(B,A),B) ) ) ),
    inference(skolemization,[status(esa)],[f32]) ).

fof(f34,plain,
    ! [X0,X1,X2] :
      ( ~ subset(X0,X1)
      | ~ in(X2,X0)
      | in(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f33]) ).

fof(f35,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | in(sk0_1(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f33]) ).

fof(f36,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ in(sk0_1(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f33]) ).

fof(f61,plain,
    ? [A,B,C] :
      ( subset(A,B)
      & subset(B,C)
      & ~ subset(A,C) ),
    inference(pre_NNF_transformation,[status(esa)],[f16]) ).

fof(f62,plain,
    ? [A,C] :
      ( ? [B] :
          ( subset(A,B)
          & subset(B,C) )
      & ~ subset(A,C) ),
    inference(miniscoping,[status(esa)],[f61]) ).

fof(f63,plain,
    ( subset(sk0_5,sk0_7)
    & subset(sk0_7,sk0_6)
    & ~ subset(sk0_5,sk0_6) ),
    inference(skolemization,[status(esa)],[f62]) ).

fof(f64,plain,
    subset(sk0_5,sk0_7),
    inference(cnf_transformation,[status(esa)],[f63]) ).

fof(f65,plain,
    subset(sk0_7,sk0_6),
    inference(cnf_transformation,[status(esa)],[f63]) ).

fof(f66,plain,
    ~ subset(sk0_5,sk0_6),
    inference(cnf_transformation,[status(esa)],[f63]) ).

fof(f90,plain,
    ! [X0] :
      ( ~ in(X0,sk0_7)
      | in(X0,sk0_6) ),
    inference(resolution,[status(thm)],[f34,f65]) ).

fof(f91,plain,
    ! [X0] :
      ( ~ in(X0,sk0_5)
      | in(X0,sk0_7) ),
    inference(resolution,[status(thm)],[f34,f64]) ).

fof(f133,plain,
    ! [X0] :
      ( subset(sk0_5,X0)
      | in(sk0_1(X0,sk0_5),sk0_7) ),
    inference(resolution,[status(thm)],[f35,f91]) ).

fof(f181,plain,
    ! [X0] :
      ( subset(sk0_5,X0)
      | in(sk0_1(X0,sk0_5),sk0_6) ),
    inference(resolution,[status(thm)],[f133,f90]) ).

fof(f205,plain,
    ( spl0_10
  <=> subset(sk0_5,sk0_6) ),
    introduced(split_symbol_definition) ).

fof(f206,plain,
    ( subset(sk0_5,sk0_6)
    | ~ spl0_10 ),
    inference(component_clause,[status(thm)],[f205]) ).

fof(f208,plain,
    ( subset(sk0_5,sk0_6)
    | subset(sk0_5,sk0_6) ),
    inference(resolution,[status(thm)],[f181,f36]) ).

fof(f209,plain,
    spl0_10,
    inference(split_clause,[status(thm)],[f208,f205]) ).

fof(f213,plain,
    ( $false
    | ~ spl0_10 ),
    inference(forward_subsumption_resolution,[status(thm)],[f206,f66]) ).

fof(f214,plain,
    ~ spl0_10,
    inference(contradiction_clause,[status(thm)],[f213]) ).

fof(f215,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f209,f214]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.10  % Problem  : SEU121+2 : TPTP v8.1.2. Released v3.3.0.
% 0.06/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.11/0.32  % Computer : n015.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Tue May 30 09:27:04 EDT 2023
% 0.11/0.32  % CPUTime  : 
% 0.11/0.33  % Drodi V3.5.1
% 0.11/0.35  % Refutation found
% 0.11/0.35  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.11/0.35  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.11/0.35  % Elapsed time: 0.024087 seconds
% 0.11/0.35  % CPU time: 0.039278 seconds
% 0.11/0.35  % Memory used: 14.497 MB
%------------------------------------------------------------------------------