TSTP Solution File: SET098+1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SET098+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n004.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 20:39:07 EDT 2024

% Result   : Theorem 14.21s 2.19s
% Output   : CNFRefutation 14.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   70 (  10 unt;   0 def)
%            Number of atoms       :  223 (  42 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :  254 ( 101   ~; 101   |;  42   &)
%                                         (   8 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   3 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   3 con; 0-2 aty)
%            Number of variables   :  144 ( 133   !;  11   ?)

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

fof(f2,axiom,
    ! [X] : subclass(X,universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X,Y] :
      ( X = Y
    <=> ( subclass(X,Y)
        & subclass(Y,X) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [U,X,Y] :
      ( member(U,unordered_pair(X,Y))
    <=> ( member(U,universal_class)
        & ( U = X
          | U = Y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [X] : singleton(X) = unordered_pair(X,X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f13,axiom,
    ! [X,Y,Z] :
      ( member(Z,intersection(X,Y))
    <=> ( member(Z,X)
        & member(Z,Y) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f14,axiom,
    ! [X,Z] :
      ( member(Z,complement(X))
    <=> ( member(Z,universal_class)
        & ~ member(Z,X) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f41,axiom,
    ! [X] :
      ( X != null_class
     => ? [U] :
          ( member(U,universal_class)
          & member(U,X)
          & disjoint(U,X) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f44,conjecture,
    ! [X] :
      ( X = null_class
      | ? [Y] : singleton(Y) = X
      | ? [V] :
          ( member(V,X)
          & ? [W] :
              ( member(W,intersection(complement(singleton(V)),X))
              & member(W,X) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f45,negated_conjecture,
    ~ ! [X] :
        ( X = null_class
        | ? [Y] : singleton(Y) = X
        | ? [V] :
            ( member(V,X)
            & ? [W] :
                ( member(W,intersection(complement(singleton(V)),X))
                & member(W,X) ) ) ),
    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(f53,plain,
    ! [X0] : subclass(X0,universal_class),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f54,plain,
    ! [X,Y] :
      ( ( X != Y
        | ( subclass(X,Y)
          & subclass(Y,X) ) )
      & ( X = Y
        | ~ subclass(X,Y)
        | ~ subclass(Y,X) ) ),
    inference(NNF_transformation,[status(esa)],[f3]) ).

fof(f55,plain,
    ( ! [X,Y] :
        ( X != Y
        | ( subclass(X,Y)
          & subclass(Y,X) ) )
    & ! [X,Y] :
        ( X = Y
        | ~ subclass(X,Y)
        | ~ subclass(Y,X) ) ),
    inference(miniscoping,[status(esa)],[f54]) ).

fof(f58,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ subclass(X0,X1)
      | ~ subclass(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f55]) ).

fof(f59,plain,
    ! [U,X,Y] :
      ( ( ~ member(U,unordered_pair(X,Y))
        | ( member(U,universal_class)
          & ( U = X
            | U = Y ) ) )
      & ( member(U,unordered_pair(X,Y))
        | ~ member(U,universal_class)
        | ( U != X
          & U != Y ) ) ),
    inference(NNF_transformation,[status(esa)],[f4]) ).

fof(f60,plain,
    ( ! [U,X,Y] :
        ( ~ member(U,unordered_pair(X,Y))
        | ( member(U,universal_class)
          & ( U = X
            | U = Y ) ) )
    & ! [U,X,Y] :
        ( member(U,unordered_pair(X,Y))
        | ~ member(U,universal_class)
        | ( U != X
          & U != Y ) ) ),
    inference(miniscoping,[status(esa)],[f59]) ).

fof(f62,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,unordered_pair(X1,X2))
      | X0 = X1
      | X0 = X2 ),
    inference(cnf_transformation,[status(esa)],[f60]) ).

fof(f66,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f85,plain,
    ! [X,Y,Z] :
      ( ( ~ member(Z,intersection(X,Y))
        | ( member(Z,X)
          & member(Z,Y) ) )
      & ( member(Z,intersection(X,Y))
        | ~ member(Z,X)
        | ~ member(Z,Y) ) ),
    inference(NNF_transformation,[status(esa)],[f13]) ).

fof(f86,plain,
    ( ! [X,Y,Z] :
        ( ~ member(Z,intersection(X,Y))
        | ( member(Z,X)
          & member(Z,Y) ) )
    & ! [X,Y,Z] :
        ( member(Z,intersection(X,Y))
        | ~ member(Z,X)
        | ~ member(Z,Y) ) ),
    inference(miniscoping,[status(esa)],[f85]) ).

fof(f88,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,intersection(X1,X2))
      | member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f86]) ).

fof(f89,plain,
    ! [X0,X1,X2] :
      ( member(X0,intersection(X1,X2))
      | ~ member(X0,X1)
      | ~ member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f86]) ).

fof(f90,plain,
    ! [X,Z] :
      ( ( ~ member(Z,complement(X))
        | ( member(Z,universal_class)
          & ~ member(Z,X) ) )
      & ( member(Z,complement(X))
        | ~ member(Z,universal_class)
        | member(Z,X) ) ),
    inference(NNF_transformation,[status(esa)],[f14]) ).

fof(f91,plain,
    ( ! [X,Z] :
        ( ~ member(Z,complement(X))
        | ( member(Z,universal_class)
          & ~ member(Z,X) ) )
    & ! [X,Z] :
        ( member(Z,complement(X))
        | ~ member(Z,universal_class)
        | member(Z,X) ) ),
    inference(miniscoping,[status(esa)],[f90]) ).

fof(f94,plain,
    ! [X0,X1] :
      ( member(X0,complement(X1))
      | ~ member(X0,universal_class)
      | member(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f91]) ).

fof(f181,plain,
    ! [X] :
      ( X = null_class
      | ? [U] :
          ( member(U,universal_class)
          & member(U,X)
          & disjoint(U,X) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f41]) ).

fof(f182,plain,
    ! [X] :
      ( X = null_class
      | ( member(sk0_5(X),universal_class)
        & member(sk0_5(X),X)
        & disjoint(sk0_5(X),X) ) ),
    inference(skolemization,[status(esa)],[f181]) ).

fof(f184,plain,
    ! [X0] :
      ( X0 = null_class
      | member(sk0_5(X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f182]) ).

fof(f191,plain,
    ? [X] :
      ( X != null_class
      & ! [Y] : singleton(Y) != X
      & ! [V] :
          ( ~ member(V,X)
          | ! [W] :
              ( ~ member(W,intersection(complement(singleton(V)),X))
              | ~ member(W,X) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f45]) ).

fof(f192,plain,
    ( sk0_7 != null_class
    & ! [Y] : singleton(Y) != sk0_7
    & ! [V] :
        ( ~ member(V,sk0_7)
        | ! [W] :
            ( ~ member(W,intersection(complement(singleton(V)),sk0_7))
            | ~ member(W,sk0_7) ) ) ),
    inference(skolemization,[status(esa)],[f191]) ).

fof(f193,plain,
    sk0_7 != null_class,
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f194,plain,
    ! [X0] : singleton(X0) != sk0_7,
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f195,plain,
    ! [X0,X1] :
      ( ~ member(X0,sk0_7)
      | ~ member(X1,intersection(complement(singleton(X0)),sk0_7))
      | ~ member(X1,sk0_7) ),
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f202,plain,
    ! [X0,X1] :
      ( ~ member(X0,sk0_7)
      | ~ member(X1,intersection(complement(singleton(X0)),sk0_7)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f195,f88]) ).

fof(f203,plain,
    ! [X0,X1] :
      ( ~ member(X0,complement(singleton(X1)))
      | ~ member(X0,sk0_7)
      | ~ member(X1,sk0_7) ),
    inference(resolution,[status(thm)],[f89,f202]) ).

fof(f204,plain,
    ! [X0,X1] :
      ( ~ member(X0,sk0_7)
      | ~ member(X1,sk0_7)
      | ~ member(X0,universal_class)
      | member(X0,singleton(X1)) ),
    inference(resolution,[status(thm)],[f203,f94]) ).

fof(f207,plain,
    ! [X0,X1,X2,X3] :
      ( ~ subclass(intersection(X0,X1),X2)
      | member(X3,X2)
      | ~ member(X3,X0)
      | ~ member(X3,X1) ),
    inference(resolution,[status(thm)],[f50,f89]) ).

fof(f270,plain,
    ! [X0,X1] :
      ( subclass(X0,singleton(X1))
      | ~ member(sk0_0(singleton(X1),X0),sk0_7)
      | ~ member(X1,sk0_7)
      | ~ member(sk0_0(singleton(X1),X0),universal_class) ),
    inference(resolution,[status(thm)],[f52,f204]) ).

fof(f300,plain,
    ! [X0,X1,X2] :
      ( member(X0,universal_class)
      | ~ member(X0,X1)
      | ~ member(X0,X2) ),
    inference(resolution,[status(thm)],[f207,f53]) ).

fof(f317,plain,
    ! [X0,X1,X2] :
      ( member(sk0_0(X0,X1),universal_class)
      | ~ member(sk0_0(X0,X1),X2)
      | subclass(X1,X0) ),
    inference(resolution,[status(thm)],[f300,f51]) ).

fof(f345,plain,
    ! [X0,X1] :
      ( subclass(X0,singleton(X1))
      | ~ member(sk0_0(singleton(X1),X0),sk0_7)
      | ~ member(X1,sk0_7) ),
    inference(backward_subsumption_resolution,[status(thm)],[f270,f317]) ).

fof(f368,plain,
    ! [X0] :
      ( subclass(sk0_7,singleton(X0))
      | ~ member(X0,sk0_7)
      | subclass(sk0_7,singleton(X0)) ),
    inference(resolution,[status(thm)],[f345,f51]) ).

fof(f369,plain,
    ! [X0] :
      ( subclass(sk0_7,singleton(X0))
      | ~ member(X0,sk0_7) ),
    inference(duplicate_literals_removal,[status(esa)],[f368]) ).

fof(f373,plain,
    ! [X0] :
      ( ~ member(X0,sk0_7)
      | singleton(X0) = sk0_7
      | ~ subclass(singleton(X0),sk0_7) ),
    inference(resolution,[status(thm)],[f369,f58]) ).

fof(f374,plain,
    ! [X0] :
      ( ~ member(X0,sk0_7)
      | ~ subclass(singleton(X0),sk0_7) ),
    inference(forward_subsumption_resolution,[status(thm)],[f373,f194]) ).

fof(f554,plain,
    ! [X0,X1] :
      ( ~ member(X0,singleton(X1))
      | X0 = X1
      | X0 = X1 ),
    inference(paramodulation,[status(thm)],[f66,f62]) ).

fof(f555,plain,
    ! [X0,X1] :
      ( ~ member(X0,singleton(X1))
      | X0 = X1 ),
    inference(duplicate_literals_removal,[status(esa)],[f554]) ).

fof(f558,plain,
    ! [X0,X1] :
      ( sk0_0(X0,singleton(X1)) = X1
      | subclass(singleton(X1),X0) ),
    inference(resolution,[status(thm)],[f555,f51]) ).

fof(f654,plain,
    ( spl0_31
  <=> sk0_7 = null_class ),
    introduced(split_symbol_definition) ).

fof(f655,plain,
    ( sk0_7 = null_class
    | ~ spl0_31 ),
    inference(component_clause,[status(thm)],[f654]) ).

fof(f727,plain,
    ( $false
    | ~ spl0_31 ),
    inference(forward_subsumption_resolution,[status(thm)],[f655,f193]) ).

fof(f728,plain,
    ~ spl0_31,
    inference(contradiction_clause,[status(thm)],[f727]) ).

fof(f729,plain,
    ( spl0_43
  <=> member(sk0_5(sk0_7),sk0_7) ),
    introduced(split_symbol_definition) ).

fof(f730,plain,
    ( member(sk0_5(sk0_7),sk0_7)
    | ~ spl0_43 ),
    inference(component_clause,[status(thm)],[f729]) ).

fof(f731,plain,
    ( ~ member(sk0_5(sk0_7),sk0_7)
    | spl0_43 ),
    inference(component_clause,[status(thm)],[f729]) ).

fof(f740,plain,
    ( sk0_7 = null_class
    | spl0_43 ),
    inference(resolution,[status(thm)],[f731,f184]) ).

fof(f741,plain,
    ( spl0_31
    | spl0_43 ),
    inference(split_clause,[status(thm)],[f740,f654,f729]) ).

fof(f9321,plain,
    ! [X0,X1] :
      ( subclass(singleton(X0),X1)
      | ~ member(X0,X1)
      | subclass(singleton(X0),X1) ),
    inference(paramodulation,[status(thm)],[f558,f52]) ).

fof(f9322,plain,
    ! [X0,X1] :
      ( subclass(singleton(X0),X1)
      | ~ member(X0,X1) ),
    inference(duplicate_literals_removal,[status(esa)],[f9321]) ).

fof(f9323,plain,
    ! [X0] : ~ member(X0,sk0_7),
    inference(backward_subsumption_resolution,[status(thm)],[f374,f9322]) ).

fof(f9324,plain,
    ( $false
    | ~ spl0_43 ),
    inference(backward_subsumption_resolution,[status(thm)],[f730,f9323]) ).

fof(f9325,plain,
    ~ spl0_43,
    inference(contradiction_clause,[status(thm)],[f9324]) ).

fof(f9326,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f728,f741,f9325]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SET098+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.07/0.14  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.35  % Computer : n004.cluster.edu
% 0.12/0.35  % Model    : x86_64 x86_64
% 0.12/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.35  % Memory   : 8042.1875MB
% 0.12/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.35  % CPULimit : 300
% 0.12/0.35  % WCLimit  : 300
% 0.12/0.35  % DateTime : Mon Apr 29 21:31:03 EDT 2024
% 0.12/0.35  % CPUTime  : 
% 0.12/0.36  % Drodi V3.6.0
% 14.21/2.19  % Refutation found
% 14.21/2.19  % SZS status Theorem for theBenchmark: Theorem is valid
% 14.21/2.19  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 14.61/2.21  % Elapsed time: 1.842071 seconds
% 14.61/2.21  % CPU time: 14.433911 seconds
% 14.61/2.21  % Total memory used: 174.454 MB
% 14.61/2.21  % Net memory used: 164.917 MB
%------------------------------------------------------------------------------