TSTP Solution File: SET957+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET957+1 : TPTP v8.1.2. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n029.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 12:35:36 EDT 2023

% Result   : Theorem 0.19s 0.45s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   64 (   5 unt;   0 def)
%            Number of atoms       :  191 (  36 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  196 (  69   ~;  81   |;  31   &)
%                                         (  11 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :   15 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   11 (   9 usr;   8 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-3 aty)
%            Number of variables   :   94 (;  70   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f8,axiom,
    ! [A,B,C,D] :
      ~ ( subset(A,cartesian_product2(B,C))
        & in(D,A)
        & ! [E,F] :
            ~ ( in(E,B)
              & in(F,C)
              & D = ordered_pair(E,F) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f9,conjecture,
    ! [A,B,C,D,E,F] :
      ( ( subset(A,cartesian_product2(B,C))
        & subset(D,cartesian_product2(E,F))
        & ! [G,H] :
            ( in(ordered_pair(G,H),A)
          <=> in(ordered_pair(G,H),D) ) )
     => A = D ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f10,negated_conjecture,
    ~ ! [A,B,C,D,E,F] :
        ( ( subset(A,cartesian_product2(B,C))
          & subset(D,cartesian_product2(E,F))
          & ! [G,H] :
              ( in(ordered_pair(G,H),A)
            <=> in(ordered_pair(G,H),D) ) )
       => A = D ),
    inference(negated_conjecture,[status(cth)],[f9]) ).

fof(f11,axiom,
    ! [A,B] :
      ( ! [C] :
          ( in(C,A)
        <=> in(C,B) )
     => A = B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f23,plain,
    ! [A,B,C,D] :
      ( ~ subset(A,cartesian_product2(B,C))
      | ~ in(D,A)
      | ? [E,F] :
          ( in(E,B)
          & in(F,C)
          & D = ordered_pair(E,F) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f8]) ).

fof(f24,plain,
    ! [B,C,D] :
      ( ! [A] :
          ( ~ subset(A,cartesian_product2(B,C))
          | ~ in(D,A) )
      | ? [E,F] :
          ( in(E,B)
          & in(F,C)
          & D = ordered_pair(E,F) ) ),
    inference(miniscoping,[status(esa)],[f23]) ).

fof(f25,plain,
    ! [B,C,D] :
      ( ! [A] :
          ( ~ subset(A,cartesian_product2(B,C))
          | ~ in(D,A) )
      | ( in(sk0_2(D,C,B),B)
        & in(sk0_3(D,C,B),C)
        & D = ordered_pair(sk0_2(D,C,B),sk0_3(D,C,B)) ) ),
    inference(skolemization,[status(esa)],[f24]) ).

fof(f28,plain,
    ! [X0,X1,X2,X3] :
      ( ~ subset(X0,cartesian_product2(X1,X2))
      | ~ in(X3,X0)
      | X3 = ordered_pair(sk0_2(X3,X2,X1),sk0_3(X3,X2,X1)) ),
    inference(cnf_transformation,[status(esa)],[f25]) ).

fof(f29,plain,
    ? [A,B,C,D,E,F] :
      ( subset(A,cartesian_product2(B,C))
      & subset(D,cartesian_product2(E,F))
      & ! [G,H] :
          ( in(ordered_pair(G,H),A)
        <=> in(ordered_pair(G,H),D) )
      & A != D ),
    inference(pre_NNF_transformation,[status(esa)],[f10]) ).

fof(f30,plain,
    ? [A,B,C,D,E,F] :
      ( subset(A,cartesian_product2(B,C))
      & subset(D,cartesian_product2(E,F))
      & ! [G,H] :
          ( ( ~ in(ordered_pair(G,H),A)
            | in(ordered_pair(G,H),D) )
          & ( in(ordered_pair(G,H),A)
            | ~ in(ordered_pair(G,H),D) ) )
      & A != D ),
    inference(NNF_transformation,[status(esa)],[f29]) ).

fof(f31,plain,
    ? [A,D] :
      ( ? [B,C] : subset(A,cartesian_product2(B,C))
      & ? [E,F] : subset(D,cartesian_product2(E,F))
      & ! [G,H] :
          ( ~ in(ordered_pair(G,H),A)
          | in(ordered_pair(G,H),D) )
      & ! [G,H] :
          ( in(ordered_pair(G,H),A)
          | ~ in(ordered_pair(G,H),D) )
      & A != D ),
    inference(miniscoping,[status(esa)],[f30]) ).

fof(f32,plain,
    ( subset(sk0_4,cartesian_product2(sk0_6,sk0_7))
    & subset(sk0_5,cartesian_product2(sk0_8,sk0_9))
    & ! [G,H] :
        ( ~ in(ordered_pair(G,H),sk0_4)
        | in(ordered_pair(G,H),sk0_5) )
    & ! [G,H] :
        ( in(ordered_pair(G,H),sk0_4)
        | ~ in(ordered_pair(G,H),sk0_5) )
    & sk0_4 != sk0_5 ),
    inference(skolemization,[status(esa)],[f31]) ).

fof(f33,plain,
    subset(sk0_4,cartesian_product2(sk0_6,sk0_7)),
    inference(cnf_transformation,[status(esa)],[f32]) ).

fof(f34,plain,
    subset(sk0_5,cartesian_product2(sk0_8,sk0_9)),
    inference(cnf_transformation,[status(esa)],[f32]) ).

fof(f35,plain,
    ! [X0,X1] :
      ( ~ in(ordered_pair(X0,X1),sk0_4)
      | in(ordered_pair(X0,X1),sk0_5) ),
    inference(cnf_transformation,[status(esa)],[f32]) ).

fof(f36,plain,
    ! [X0,X1] :
      ( in(ordered_pair(X0,X1),sk0_4)
      | ~ in(ordered_pair(X0,X1),sk0_5) ),
    inference(cnf_transformation,[status(esa)],[f32]) ).

fof(f37,plain,
    sk0_4 != sk0_5,
    inference(cnf_transformation,[status(esa)],[f32]) ).

fof(f38,plain,
    ! [A,B] :
      ( ? [C] :
          ( in(C,A)
        <~> in(C,B) )
      | A = B ),
    inference(pre_NNF_transformation,[status(esa)],[f11]) ).

fof(f39,plain,
    ! [A,B] :
      ( ? [C] :
          ( ( in(C,A)
            | in(C,B) )
          & ( ~ in(C,A)
            | ~ in(C,B) ) )
      | A = B ),
    inference(NNF_transformation,[status(esa)],[f38]) ).

fof(f40,plain,
    ! [A,B] :
      ( ( ( in(sk0_10(B,A),A)
          | in(sk0_10(B,A),B) )
        & ( ~ in(sk0_10(B,A),A)
          | ~ in(sk0_10(B,A),B) ) )
      | A = B ),
    inference(skolemization,[status(esa)],[f39]) ).

fof(f41,plain,
    ! [X0,X1] :
      ( in(sk0_10(X0,X1),X1)
      | in(sk0_10(X0,X1),X0)
      | X1 = X0 ),
    inference(cnf_transformation,[status(esa)],[f40]) ).

fof(f42,plain,
    ! [X0,X1] :
      ( ~ in(sk0_10(X0,X1),X1)
      | ~ in(sk0_10(X0,X1),X0)
      | X1 = X0 ),
    inference(cnf_transformation,[status(esa)],[f40]) ).

fof(f166,plain,
    ! [X0] :
      ( ~ in(X0,sk0_5)
      | X0 = ordered_pair(sk0_2(X0,sk0_9,sk0_8),sk0_3(X0,sk0_9,sk0_8)) ),
    inference(resolution,[status(thm)],[f28,f34]) ).

fof(f167,plain,
    ! [X0] :
      ( ~ in(X0,sk0_4)
      | X0 = ordered_pair(sk0_2(X0,sk0_7,sk0_6),sk0_3(X0,sk0_7,sk0_6)) ),
    inference(resolution,[status(thm)],[f28,f33]) ).

fof(f171,plain,
    ! [X0] :
      ( sk0_10(X0,sk0_5) = ordered_pair(sk0_2(sk0_10(X0,sk0_5),sk0_9,sk0_8),sk0_3(sk0_10(X0,sk0_5),sk0_9,sk0_8))
      | in(sk0_10(X0,sk0_5),X0)
      | sk0_5 = X0 ),
    inference(resolution,[status(thm)],[f166,f41]) ).

fof(f194,plain,
    ( spl0_3
  <=> sk0_10(sk0_4,sk0_5) = ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8),sk0_3(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8)) ),
    introduced(split_symbol_definition) ).

fof(f195,plain,
    ( sk0_10(sk0_4,sk0_5) = ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8),sk0_3(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8))
    | ~ spl0_3 ),
    inference(component_clause,[status(thm)],[f194]) ).

fof(f197,plain,
    ( spl0_4
  <=> sk0_5 = sk0_4 ),
    introduced(split_symbol_definition) ).

fof(f198,plain,
    ( sk0_5 = sk0_4
    | ~ spl0_4 ),
    inference(component_clause,[status(thm)],[f197]) ).

fof(f200,plain,
    ( spl0_5
  <=> sk0_10(sk0_4,sk0_5) = ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6),sk0_3(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6)) ),
    introduced(split_symbol_definition) ).

fof(f201,plain,
    ( sk0_10(sk0_4,sk0_5) = ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6),sk0_3(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6))
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f200]) ).

fof(f203,plain,
    ( sk0_10(sk0_4,sk0_5) = ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8),sk0_3(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8))
    | sk0_5 = sk0_4
    | sk0_10(sk0_4,sk0_5) = ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6),sk0_3(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6)) ),
    inference(resolution,[status(thm)],[f171,f167]) ).

fof(f204,plain,
    ( spl0_3
    | spl0_4
    | spl0_5 ),
    inference(split_clause,[status(thm)],[f203,f194,f197,f200]) ).

fof(f261,plain,
    ( spl0_14
  <=> in(sk0_10(sk0_4,sk0_5),sk0_5) ),
    introduced(split_symbol_definition) ).

fof(f262,plain,
    ( in(sk0_10(sk0_4,sk0_5),sk0_5)
    | ~ spl0_14 ),
    inference(component_clause,[status(thm)],[f261]) ).

fof(f263,plain,
    ( ~ in(sk0_10(sk0_4,sk0_5),sk0_5)
    | spl0_14 ),
    inference(component_clause,[status(thm)],[f261]) ).

fof(f269,plain,
    ( spl0_16
  <=> in(sk0_10(sk0_4,sk0_5),sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f270,plain,
    ( in(sk0_10(sk0_4,sk0_5),sk0_4)
    | ~ spl0_16 ),
    inference(component_clause,[status(thm)],[f269]) ).

fof(f271,plain,
    ( ~ in(sk0_10(sk0_4,sk0_5),sk0_4)
    | spl0_16 ),
    inference(component_clause,[status(thm)],[f269]) ).

fof(f278,plain,
    ( spl0_18
  <=> in(ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6),sk0_3(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6)),sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f280,plain,
    ( ~ in(ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6),sk0_3(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6)),sk0_4)
    | spl0_18 ),
    inference(component_clause,[status(thm)],[f278]) ).

fof(f293,plain,
    ( ~ in(ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6),sk0_3(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6)),sk0_4)
    | in(sk0_10(sk0_4,sk0_5),sk0_5)
    | ~ spl0_5 ),
    inference(paramodulation,[status(thm)],[f201,f35]) ).

fof(f294,plain,
    ( ~ spl0_18
    | spl0_14
    | ~ spl0_5 ),
    inference(split_clause,[status(thm)],[f293,f278,f261,f200]) ).

fof(f295,plain,
    ( $false
    | ~ spl0_4 ),
    inference(forward_subsumption_resolution,[status(thm)],[f198,f37]) ).

fof(f296,plain,
    ~ spl0_4,
    inference(contradiction_clause,[status(thm)],[f295]) ).

fof(f304,plain,
    ( ~ in(sk0_10(sk0_4,sk0_5),sk0_4)
    | ~ spl0_5
    | spl0_18 ),
    inference(backward_demodulation,[status(thm)],[f201,f280]) ).

fof(f307,plain,
    ( $false
    | ~ spl0_5
    | spl0_18
    | ~ spl0_16 ),
    inference(forward_subsumption_resolution,[status(thm)],[f270,f304]) ).

fof(f308,plain,
    ( ~ spl0_5
    | spl0_18
    | ~ spl0_16 ),
    inference(contradiction_clause,[status(thm)],[f307]) ).

fof(f311,plain,
    ( sk0_10(sk0_4,sk0_5) = ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6),sk0_3(sk0_10(sk0_4,sk0_5),sk0_7,sk0_6))
    | ~ spl0_16 ),
    inference(resolution,[status(thm)],[f270,f167]) ).

fof(f312,plain,
    ( ~ in(sk0_10(sk0_4,sk0_5),sk0_4)
    | sk0_5 = sk0_4
    | ~ spl0_14 ),
    inference(resolution,[status(thm)],[f262,f42]) ).

fof(f313,plain,
    ( ~ spl0_16
    | spl0_4
    | ~ spl0_14 ),
    inference(split_clause,[status(thm)],[f312,f269,f197,f261]) ).

fof(f315,plain,
    ( sk0_10(sk0_4,sk0_5) = ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8),sk0_3(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8))
    | sk0_5 = sk0_4
    | spl0_16 ),
    inference(resolution,[status(thm)],[f271,f171]) ).

fof(f316,plain,
    ( spl0_3
    | spl0_4
    | spl0_16 ),
    inference(split_clause,[status(thm)],[f315,f194,f197,f269]) ).

fof(f317,plain,
    ( in(sk0_10(sk0_4,sk0_5),sk0_4)
    | sk0_5 = sk0_4
    | spl0_14 ),
    inference(resolution,[status(thm)],[f263,f41]) ).

fof(f318,plain,
    ( spl0_16
    | spl0_4
    | spl0_14 ),
    inference(split_clause,[status(thm)],[f317,f269,f197,f261]) ).

fof(f320,plain,
    ( spl0_5
    | ~ spl0_16 ),
    inference(split_clause,[status(thm)],[f311,f200,f269]) ).

fof(f383,plain,
    ( spl0_28
  <=> in(ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8),sk0_3(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8)),sk0_5) ),
    introduced(split_symbol_definition) ).

fof(f385,plain,
    ( ~ in(ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8),sk0_3(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8)),sk0_5)
    | spl0_28 ),
    inference(component_clause,[status(thm)],[f383]) ).

fof(f388,plain,
    ( in(sk0_10(sk0_4,sk0_5),sk0_4)
    | ~ in(ordered_pair(sk0_2(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8),sk0_3(sk0_10(sk0_4,sk0_5),sk0_9,sk0_8)),sk0_5)
    | ~ spl0_3 ),
    inference(paramodulation,[status(thm)],[f195,f36]) ).

fof(f389,plain,
    ( spl0_16
    | ~ spl0_28
    | ~ spl0_3 ),
    inference(split_clause,[status(thm)],[f388,f269,f383,f194]) ).

fof(f392,plain,
    ( ~ in(sk0_10(sk0_4,sk0_5),sk0_5)
    | ~ spl0_3
    | spl0_28 ),
    inference(forward_demodulation,[status(thm)],[f195,f385]) ).

fof(f393,plain,
    ( $false
    | ~ spl0_14
    | ~ spl0_3
    | spl0_28 ),
    inference(forward_subsumption_resolution,[status(thm)],[f392,f262]) ).

fof(f394,plain,
    ( ~ spl0_14
    | ~ spl0_3
    | spl0_28 ),
    inference(contradiction_clause,[status(thm)],[f393]) ).

fof(f395,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f204,f294,f296,f308,f313,f316,f318,f320,f389,f394]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET957+1 : TPTP v8.1.2. Bugfixed v4.0.0.
% 0.06/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n029.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 10:31:07 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  % Drodi V3.5.1
% 0.19/0.45  % Refutation found
% 0.19/0.45  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.19/0.45  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.19/0.49  % Elapsed time: 0.144291 seconds
% 0.19/0.49  % CPU time: 0.349342 seconds
% 0.19/0.49  % Memory used: 32.331 MB
%------------------------------------------------------------------------------