TSTP Solution File: SET125-6 by Faust---1.0

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%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SET125-6 : TPTP v3.4.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art04.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory   : 1003MB
% OS       : Linux 2.6.17-1.2142_FC4
% CPULimit : 600s
% DateTime : Wed May  6 15:28:58 EDT 2009

% Result   : Unsatisfiable 7.5s
% Output   : Refutation 7.5s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   26 (  17 unt;   0 def)
%            Number of atoms       :   39 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   31 (  18   ~;  13   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   4 con; 0-2 aty)
%            Number of variables   :   35 (   6 sgn  15   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(subclass_members,plain,
    ! [A,B,C] :
      ( ~ subclass(A,B)
      | ~ member(C,A)
      | member(C,B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(145548344,plain,
    ( ~ subclass(A,B)
    | ~ member(C,A)
    | member(C,B) ),
    inference(rewrite,[status(thm)],[subclass_members]),
    [] ).

fof(class_elements_are_sets,plain,
    ! [A] : subclass(A,universal_class),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(145578704,plain,
    subclass(A,universal_class),
    inference(rewrite,[status(thm)],[class_elements_are_sets]),
    [] ).

cnf(157493344,plain,
    ( ~ member(B,A)
    | member(B,universal_class) ),
    inference(resolution,[status(thm)],[145548344,145578704]),
    [] ).

fof(prove_set_builder_alternate_defn3_1,plain,
    member(x,z),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(146510216,plain,
    member(x,z),
    inference(rewrite,[status(thm)],[prove_set_builder_alternate_defn3_1]),
    [] ).

cnf(176312608,plain,
    member(x,universal_class),
    inference(resolution,[status(thm)],[157493344,146510216]),
    [] ).

fof(complement2,plain,
    ! [A,B] :
      ( ~ member(A,universal_class)
      | member(A,complement(B))
      | member(A,B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(145761696,plain,
    ( ~ member(A,universal_class)
    | member(A,complement(B))
    | member(A,B) ),
    inference(rewrite,[status(thm)],[complement2]),
    [] ).

fof(intersection2,plain,
    ! [A,B,C] :
      ( ~ member(A,intersection(B,C))
      | member(A,C) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(145740568,plain,
    ( ~ member(A,intersection(B,C))
    | member(A,C) ),
    inference(rewrite,[status(thm)],[intersection2]),
    [] ).

fof(complement1,plain,
    ! [A,B] :
      ( ~ member(A,complement(B))
      | ~ member(A,B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(145750656,plain,
    ( ~ member(A,complement(B))
    | ~ member(A,B) ),
    inference(rewrite,[status(thm)],[complement1]),
    [] ).

cnf(157914232,plain,
    ~ member(x,complement(z)),
    inference(resolution,[status(thm)],[145750656,146510216]),
    [] ).

cnf(172000320,plain,
    ~ member(x,intersection(A,complement(z))),
    inference(resolution,[status(thm)],[145740568,157914232]),
    [] ).

cnf(201231776,plain,
    member(x,complement(intersection(A,complement(z)))),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[176312608,145761696,172000320]),
    [] ).

fof(union,plain,
    ! [A,B] : $equal(complement(intersection(complement(A),complement(B))),union(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(145766824,plain,
    $equal(complement(intersection(complement(A),complement(B))),union(A,B)),
    inference(rewrite,[status(thm)],[union]),
    [] ).

cnf(304285448,plain,
    member(x,union(A,z)),
    inference(paramodulation,[status(thm)],[201231776,145766824,theory(equality)]),
    [] ).

fof(prove_set_builder_alternate_defn3_2,plain,
    ~ member(x,set_builder(y,z)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(146514200,plain,
    ~ member(x,set_builder(y,z)),
    inference(rewrite,[status(thm)],[prove_set_builder_alternate_defn3_2]),
    [] ).

fof(definition_of_set_builder,plain,
    ! [A,B] : $equal(union(singleton(A),B),set_builder(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),
    [] ).

cnf(146506328,plain,
    $equal(union(singleton(A),B),set_builder(A,B)),
    inference(rewrite,[status(thm)],[definition_of_set_builder]),
    [] ).

cnf(160108712,plain,
    ~ member(x,union(singleton(y),z)),
    inference(paramodulation,[status(thm)],[146514200,146506328,theory(equality)]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[304285448,160108712]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 7 seconds
% START OF PROOF SEQUENCE
% fof(subclass_members,plain,(~subclass(A,B)|~member(C,A)|member(C,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(145548344,plain,(~subclass(A,B)|~member(C,A)|member(C,B)),inference(rewrite,[status(thm)],[subclass_members]),[]).
% 
% fof(class_elements_are_sets,plain,(subclass(A,universal_class)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(145578704,plain,(subclass(A,universal_class)),inference(rewrite,[status(thm)],[class_elements_are_sets]),[]).
% 
% cnf(157493344,plain,(~member(B,A)|member(B,universal_class)),inference(resolution,[status(thm)],[145548344,145578704]),[]).
% 
% fof(prove_set_builder_alternate_defn3_1,plain,(member(x,z)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(146510216,plain,(member(x,z)),inference(rewrite,[status(thm)],[prove_set_builder_alternate_defn3_1]),[]).
% 
% cnf(176312608,plain,(member(x,universal_class)),inference(resolution,[status(thm)],[157493344,146510216]),[]).
% 
% fof(complement2,plain,(~member(A,universal_class)|member(A,complement(B))|member(A,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(145761696,plain,(~member(A,universal_class)|member(A,complement(B))|member(A,B)),inference(rewrite,[status(thm)],[complement2]),[]).
% 
% fof(intersection2,plain,(~member(A,intersection(B,C))|member(A,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(145740568,plain,(~member(A,intersection(B,C))|member(A,C)),inference(rewrite,[status(thm)],[intersection2]),[]).
% 
% fof(complement1,plain,(~member(A,complement(B))|~member(A,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(145750656,plain,(~member(A,complement(B))|~member(A,B)),inference(rewrite,[status(thm)],[complement1]),[]).
% 
% cnf(157914232,plain,(~member(x,complement(z))),inference(resolution,[status(thm)],[145750656,146510216]),[]).
% 
% cnf(172000320,plain,(~member(x,intersection(A,complement(z)))),inference(resolution,[status(thm)],[145740568,157914232]),[]).
% 
% cnf(201231776,plain,(member(x,complement(intersection(A,complement(z))))),inference(forward_subsumption_resolution__resolution,[status(thm)],[176312608,145761696,172000320]),[]).
% 
% fof(union,plain,($equal(complement(intersection(complement(A),complement(B))),union(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(145766824,plain,($equal(complement(intersection(complement(A),complement(B))),union(A,B))),inference(rewrite,[status(thm)],[union]),[]).
% 
% cnf(304285448,plain,(member(x,union(A,z))),inference(paramodulation,[status(thm)],[201231776,145766824,theory(equality)]),[]).
% 
% fof(prove_set_builder_alternate_defn3_2,plain,(~member(x,set_builder(y,z))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(146514200,plain,(~member(x,set_builder(y,z))),inference(rewrite,[status(thm)],[prove_set_builder_alternate_defn3_2]),[]).
% 
% fof(definition_of_set_builder,plain,($equal(union(singleton(A),B),set_builder(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET125-6.tptp',unknown),[]).
% 
% cnf(146506328,plain,($equal(union(singleton(A),B),set_builder(A,B))),inference(rewrite,[status(thm)],[definition_of_set_builder]),[]).
% 
% cnf(160108712,plain,(~member(x,union(singleton(y),z))),inference(paramodulation,[status(thm)],[146514200,146506328,theory(equality)]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[304285448,160108712]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------