TSTP Solution File: SEU121+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SEU121+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n008.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 0.13s 0.35s
% Output   : CNFRefutation 0.13s
% 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 :   66 (  25   ~;  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(f2,axiom,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [C] :
          ( in(C,A)
         => in(C,B) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f8,conjecture,
    ! [A,B,C] :
      ( ( subset(A,B)
        & subset(B,C) )
     => subset(A,C) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f9,negated_conjecture,
    ~ ! [A,B,C] :
        ( ( subset(A,B)
          & subset(B,C) )
       => subset(A,C) ),
    inference(negated_conjecture,[status(cth)],[f8]) ).

fof(f15,plain,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [C] :
          ( ~ in(C,A)
          | in(C,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f2]) ).

fof(f16,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)],[f15]) ).

fof(f17,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)],[f16]) ).

fof(f18,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [C] :
            ( ~ in(C,A)
            | in(C,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ( in(sk0_0(B,A),A)
          & ~ in(sk0_0(B,A),B) ) ) ),
    inference(skolemization,[status(esa)],[f17]) ).

fof(f19,plain,
    ! [X0,X1,X2] :
      ( ~ subset(X0,X1)
      | ~ in(X2,X0)
      | in(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f18]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | in(sk0_0(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f18]) ).

fof(f21,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ in(sk0_0(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f18]) ).

fof(f29,plain,
    ? [A,B,C] :
      ( subset(A,B)
      & subset(B,C)
      & ~ subset(A,C) ),
    inference(pre_NNF_transformation,[status(esa)],[f9]) ).

fof(f30,plain,
    ? [A,C] :
      ( ? [B] :
          ( subset(A,B)
          & subset(B,C) )
      & ~ subset(A,C) ),
    inference(miniscoping,[status(esa)],[f29]) ).

fof(f31,plain,
    ( subset(sk0_3,sk0_5)
    & subset(sk0_5,sk0_4)
    & ~ subset(sk0_3,sk0_4) ),
    inference(skolemization,[status(esa)],[f30]) ).

fof(f32,plain,
    subset(sk0_3,sk0_5),
    inference(cnf_transformation,[status(esa)],[f31]) ).

fof(f33,plain,
    subset(sk0_5,sk0_4),
    inference(cnf_transformation,[status(esa)],[f31]) ).

fof(f34,plain,
    ~ subset(sk0_3,sk0_4),
    inference(cnf_transformation,[status(esa)],[f31]) ).

fof(f43,plain,
    ! [X0] :
      ( ~ in(X0,sk0_5)
      | in(X0,sk0_4) ),
    inference(resolution,[status(thm)],[f19,f33]) ).

fof(f44,plain,
    ! [X0] :
      ( ~ in(X0,sk0_3)
      | in(X0,sk0_5) ),
    inference(resolution,[status(thm)],[f19,f32]) ).

fof(f45,plain,
    ! [X0] :
      ( ~ in(X0,sk0_3)
      | in(X0,sk0_4) ),
    inference(resolution,[status(thm)],[f44,f43]) ).

fof(f79,plain,
    ! [X0] :
      ( subset(X0,sk0_4)
      | ~ in(sk0_0(sk0_4,X0),sk0_3) ),
    inference(resolution,[status(thm)],[f21,f45]) ).

fof(f87,plain,
    ( spl0_3
  <=> subset(sk0_3,sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f88,plain,
    ( subset(sk0_3,sk0_4)
    | ~ spl0_3 ),
    inference(component_clause,[status(thm)],[f87]) ).

fof(f90,plain,
    ( subset(sk0_3,sk0_4)
    | subset(sk0_3,sk0_4) ),
    inference(resolution,[status(thm)],[f79,f20]) ).

fof(f91,plain,
    spl0_3,
    inference(split_clause,[status(thm)],[f90,f87]) ).

fof(f92,plain,
    ( $false
    | ~ spl0_3 ),
    inference(forward_subsumption_resolution,[status(thm)],[f88,f34]) ).

fof(f93,plain,
    ~ spl0_3,
    inference(contradiction_clause,[status(thm)],[f92]) ).

fof(f94,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f91,f93]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : SEU121+1 : TPTP v8.1.2. Released v3.3.0.
% 0.11/0.12  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.33  % Computer : n008.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Tue May 30 09:19:53 EDT 2023
% 0.13/0.33  % CPUTime  : 
% 0.13/0.34  % Drodi V3.5.1
% 0.13/0.35  % Refutation found
% 0.13/0.35  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.13/0.35  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.19/0.56  % Elapsed time: 0.012643 seconds
% 0.19/0.56  % CPU time: 0.027699 seconds
% 0.19/0.56  % Memory used: 11.420 MB
%------------------------------------------------------------------------------