TSTP Solution File: SET695+4 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SET695+4 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n018.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 : Tue Apr 30 20:40:12 EDT 2024

% Result   : Theorem 0.15s 0.61s
% Output   : CNFRefutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   56 (   5 unt;   0 def)
%            Number of atoms       :  160 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  153 (  49   ~;  70   |;  21   &)
%                                         (   9 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   5 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :  100 (  92   !;   8   ?)

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

fof(f7,axiom,
    ! [B,A,E] :
      ( member(B,difference(E,A))
    <=> ( member(B,E)
        & ~ member(B,A) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f12,conjecture,
    ! [A,B,E] :
      ( ( subset(A,E)
        & subset(B,E) )
     => ( subset(A,B)
      <=> subset(difference(E,B),difference(E,A)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f13,negated_conjecture,
    ~ ! [A,B,E] :
        ( ( subset(A,E)
          & subset(B,E) )
       => ( subset(A,B)
        <=> subset(difference(E,B),difference(E,A)) ) ),
    inference(negated_conjecture,[status(cth)],[f12]) ).

fof(f14,plain,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [X] :
          ( ~ member(X,A)
          | member(X,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f1]) ).

fof(f15,plain,
    ! [A,B] :
      ( ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
      & ( subset(A,B)
        | ? [X] :
            ( member(X,A)
            & ~ member(X,B) ) ) ),
    inference(NNF_transformation,[status(esa)],[f14]) ).

fof(f16,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ? [X] :
            ( member(X,A)
            & ~ member(X,B) ) ) ),
    inference(miniscoping,[status(esa)],[f15]) ).

fof(f17,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ( member(sk0_0(B,A),A)
          & ~ member(sk0_0(B,A),B) ) ) ),
    inference(skolemization,[status(esa)],[f16]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( ~ subset(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sk0_0(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sk0_0(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f41,plain,
    ! [B,A,E] :
      ( ( ~ member(B,difference(E,A))
        | ( member(B,E)
          & ~ member(B,A) ) )
      & ( member(B,difference(E,A))
        | ~ member(B,E)
        | member(B,A) ) ),
    inference(NNF_transformation,[status(esa)],[f7]) ).

fof(f42,plain,
    ( ! [B,A,E] :
        ( ~ member(B,difference(E,A))
        | ( member(B,E)
          & ~ member(B,A) ) )
    & ! [B,A,E] :
        ( member(B,difference(E,A))
        | ~ member(B,E)
        | member(B,A) ) ),
    inference(miniscoping,[status(esa)],[f41]) ).

fof(f43,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,difference(X1,X2))
      | member(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f44,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,difference(X1,X2))
      | ~ member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f45,plain,
    ! [X0,X1,X2] :
      ( member(X0,difference(X1,X2))
      | ~ member(X0,X1)
      | member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f68,plain,
    ? [A,B,E] :
      ( subset(A,E)
      & subset(B,E)
      & ( subset(A,B)
      <~> subset(difference(E,B),difference(E,A)) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f13]) ).

fof(f69,plain,
    ? [A,B,E] :
      ( subset(A,E)
      & subset(B,E)
      & ( subset(A,B)
        | subset(difference(E,B),difference(E,A)) )
      & ( ~ subset(A,B)
        | ~ subset(difference(E,B),difference(E,A)) ) ),
    inference(NNF_transformation,[status(esa)],[f68]) ).

fof(f70,plain,
    ( subset(sk0_3,sk0_5)
    & subset(sk0_4,sk0_5)
    & ( subset(sk0_3,sk0_4)
      | subset(difference(sk0_5,sk0_4),difference(sk0_5,sk0_3)) )
    & ( ~ subset(sk0_3,sk0_4)
      | ~ subset(difference(sk0_5,sk0_4),difference(sk0_5,sk0_3)) ) ),
    inference(skolemization,[status(esa)],[f69]) ).

fof(f71,plain,
    subset(sk0_3,sk0_5),
    inference(cnf_transformation,[status(esa)],[f70]) ).

fof(f72,plain,
    subset(sk0_4,sk0_5),
    inference(cnf_transformation,[status(esa)],[f70]) ).

fof(f73,plain,
    ( subset(sk0_3,sk0_4)
    | subset(difference(sk0_5,sk0_4),difference(sk0_5,sk0_3)) ),
    inference(cnf_transformation,[status(esa)],[f70]) ).

fof(f74,plain,
    ( ~ subset(sk0_3,sk0_4)
    | ~ subset(difference(sk0_5,sk0_4),difference(sk0_5,sk0_3)) ),
    inference(cnf_transformation,[status(esa)],[f70]) ).

fof(f75,plain,
    ( spl0_0
  <=> subset(sk0_3,sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f78,plain,
    ( spl0_1
  <=> subset(difference(sk0_5,sk0_4),difference(sk0_5,sk0_3)) ),
    introduced(split_symbol_definition) ).

fof(f79,plain,
    ( subset(difference(sk0_5,sk0_4),difference(sk0_5,sk0_3))
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f78]) ).

fof(f80,plain,
    ( ~ subset(difference(sk0_5,sk0_4),difference(sk0_5,sk0_3))
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f78]) ).

fof(f81,plain,
    ( spl0_0
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f73,f75,f78]) ).

fof(f82,plain,
    ( ~ spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f74,f75,f78]) ).

fof(f83,plain,
    ! [X0,X1,X2] :
      ( subset(difference(X0,X1),X2)
      | ~ member(sk0_0(X2,difference(X0,X1)),X1) ),
    inference(resolution,[status(thm)],[f19,f44]) ).

fof(f84,plain,
    ! [X0,X1,X2] :
      ( subset(difference(X0,X1),X2)
      | member(sk0_0(X2,difference(X0,X1)),X0) ),
    inference(resolution,[status(thm)],[f19,f43]) ).

fof(f86,plain,
    ! [X0,X1,X2] :
      ( subset(X0,X1)
      | ~ subset(X0,X2)
      | member(sk0_0(X1,X0),X2) ),
    inference(resolution,[status(thm)],[f19,f18]) ).

fof(f88,plain,
    ! [X0] :
      ( subset(sk0_4,X0)
      | member(sk0_0(X0,sk0_4),sk0_5) ),
    inference(resolution,[status(thm)],[f86,f72]) ).

fof(f89,plain,
    ! [X0] :
      ( subset(sk0_3,X0)
      | member(sk0_0(X0,sk0_3),sk0_5) ),
    inference(resolution,[status(thm)],[f86,f71]) ).

fof(f92,plain,
    ! [X0,X1] :
      ( subset(sk0_3,X0)
      | member(sk0_0(X0,sk0_3),difference(sk0_5,X1))
      | member(sk0_0(X0,sk0_3),X1) ),
    inference(resolution,[status(thm)],[f89,f45]) ).

fof(f103,plain,
    ! [X0,X1,X2] :
      ( subset(sk0_3,X0)
      | member(sk0_0(X0,sk0_3),X1)
      | ~ subset(difference(sk0_5,X1),X2)
      | member(sk0_0(X0,sk0_3),X2) ),
    inference(resolution,[status(thm)],[f92,f18]) ).

fof(f105,plain,
    ! [X0] :
      ( subset(sk0_3,X0)
      | member(sk0_0(X0,sk0_3),sk0_4)
      | member(sk0_0(X0,sk0_3),difference(sk0_5,sk0_3))
      | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f103,f79]) ).

fof(f106,plain,
    ! [X0] :
      ( subset(sk0_3,X0)
      | member(sk0_0(X0,sk0_3),sk0_4)
      | ~ member(sk0_0(X0,sk0_3),sk0_3)
      | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f105,f44]) ).

fof(f107,plain,
    ! [X0] :
      ( subset(sk0_3,X0)
      | member(sk0_0(X0,sk0_3),sk0_4)
      | ~ spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f106,f19]) ).

fof(f172,plain,
    ! [X0,X1,X2,X3] :
      ( subset(difference(X0,X1),X2)
      | member(sk0_0(X2,difference(X0,X1)),difference(X0,X3))
      | member(sk0_0(X2,difference(X0,X1)),X3) ),
    inference(resolution,[status(thm)],[f84,f45]) ).

fof(f524,plain,
    ! [X0,X1,X2] :
      ( subset(difference(X0,X1),difference(X0,X2))
      | subset(difference(X0,X1),difference(X0,X2))
      | member(sk0_0(difference(X0,X2),difference(X0,X1)),X2) ),
    inference(resolution,[status(thm)],[f20,f172]) ).

fof(f525,plain,
    ! [X0,X1,X2] :
      ( subset(difference(X0,X1),difference(X0,X2))
      | member(sk0_0(difference(X0,X2),difference(X0,X1)),X2) ),
    inference(duplicate_literals_removal,[status(esa)],[f524]) ).

fof(f528,plain,
    ( subset(sk0_3,sk0_4)
    | subset(sk0_3,sk0_4)
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f20,f107]) ).

fof(f529,plain,
    ( spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f528,f75,f78]) ).

fof(f550,plain,
    ( spl0_2
  <=> subset(sk0_3,sk0_5) ),
    introduced(split_symbol_definition) ).

fof(f553,plain,
    ( subset(sk0_3,sk0_5)
    | subset(sk0_3,sk0_5) ),
    inference(resolution,[status(thm)],[f20,f89]) ).

fof(f554,plain,
    spl0_2,
    inference(split_clause,[status(thm)],[f553,f550]) ).

fof(f565,plain,
    ( spl0_3
  <=> subset(sk0_4,sk0_5) ),
    introduced(split_symbol_definition) ).

fof(f568,plain,
    ( subset(sk0_4,sk0_5)
    | subset(sk0_4,sk0_5) ),
    inference(resolution,[status(thm)],[f20,f88]) ).

fof(f569,plain,
    spl0_3,
    inference(split_clause,[status(thm)],[f568,f565]) ).

fof(f717,plain,
    ! [X0,X1,X2,X3] :
      ( subset(difference(X0,X1),difference(X0,X2))
      | ~ subset(X2,X3)
      | member(sk0_0(difference(X0,X2),difference(X0,X1)),X3) ),
    inference(resolution,[status(thm)],[f525,f18]) ).

fof(f927,plain,
    ! [X0,X1,X2] :
      ( subset(difference(X0,X1),difference(X0,X2))
      | ~ subset(X2,X1)
      | subset(difference(X0,X1),difference(X0,X2)) ),
    inference(resolution,[status(thm)],[f717,f83]) ).

fof(f928,plain,
    ! [X0,X1,X2] :
      ( subset(difference(X0,X1),difference(X0,X2))
      | ~ subset(X2,X1) ),
    inference(duplicate_literals_removal,[status(esa)],[f927]) ).

fof(f943,plain,
    ( ~ subset(sk0_3,sk0_4)
    | spl0_1 ),
    inference(resolution,[status(thm)],[f928,f80]) ).

fof(f944,plain,
    ( ~ spl0_0
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f943,f75,f78]) ).

fof(f950,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f81,f82,f529,f554,f569,f944]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : SET695+4 : TPTP v8.1.2. Released v2.2.0.
% 0.10/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.11/0.31  % Computer : n018.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 300
% 0.11/0.31  % DateTime : Mon Apr 29 21:43:28 EDT 2024
% 0.11/0.31  % CPUTime  : 
% 0.15/0.32  % Drodi V3.6.0
% 0.15/0.61  % Refutation found
% 0.15/0.61  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.15/0.61  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 2.22/0.64  % Elapsed time: 0.308512 seconds
% 2.22/0.64  % CPU time: 2.323302 seconds
% 2.22/0.64  % Total memory used: 73.733 MB
% 2.22/0.64  % Net memory used: 72.070 MB
%------------------------------------------------------------------------------