TSTP Solution File: SET016-1 by Faust---1.0

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%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SET016-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art02.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 15:23:46 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   22 (  14 unt;   0 def)
%            Number of atoms       :   35 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   23 (  10   ~;  13   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   25 (   1 sgn  10   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(unordered_pair_1,plain,
    ! [A,B] : member(A,unordered_pair(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),
    [] ).

cnf(166069304,plain,
    member(A,unordered_pair(A,B)),
    inference(rewrite,[status(thm)],[unordered_pair_1]),
    [] ).

fof(unordered_pair_3,plain,
    ! [A,B,C] :
      ( ~ member(A,unordered_pair(B,C))
      | $equal(B,A)
      | $equal(C,A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),
    [] ).

cnf(166080208,plain,
    ( ~ member(A,unordered_pair(B,C))
    | $equal(B,A)
    | $equal(C,A) ),
    inference(rewrite,[status(thm)],[unordered_pair_3]),
    [] ).

fof(ordered_pair,plain,
    ! [A,B] : $equal(unordered_pair(singleton_set(A),unordered_pair(A,B)),ordered_pair(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),
    [] ).

cnf(166089192,plain,
    $equal(unordered_pair(singleton_set(A),unordered_pair(A,B)),ordered_pair(A,B)),
    inference(rewrite,[status(thm)],[ordered_pair]),
    [] ).

cnf(174007632,plain,
    ( ~ member(A,ordered_pair(B,C))
    | $equal(singleton_set(B),A)
    | $equal(unordered_pair(B,C),A) ),
    inference(paramodulation,[status(thm)],[166080208,166089192,theory(equality)]),
    [] ).

fof(equal_ordered_pairs,plain,
    $equal(ordered_pair(m2,r2),ordered_pair(m1,r1)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),
    [] ).

cnf(166093168,plain,
    $equal(ordered_pair(m2,r2),ordered_pair(m1,r1)),
    inference(rewrite,[status(thm)],[equal_ordered_pairs]),
    [] ).

cnf(174076576,plain,
    ( ~ member(A,ordered_pair(m2,r2))
    | $equal(singleton_set(m1),A)
    | $equal(unordered_pair(m1,r1),A) ),
    inference(paramodulation,[status(thm)],[174007632,166093168,theory(equality)]),
    [] ).

cnf(174162232,plain,
    ( ~ member(A,unordered_pair(singleton_set(m2),unordered_pair(m2,r2)))
    | $equal(singleton_set(m1),A)
    | $equal(unordered_pair(m1,r1),A) ),
    inference(paramodulation,[status(thm)],[174076576,166089192,theory(equality)]),
    [] ).

cnf(174183168,plain,
    ( $equal(singleton_set(m1),singleton_set(m2))
    | $equal(unordered_pair(m1,r1),singleton_set(m2)) ),
    inference(resolution,[status(thm)],[174162232,166069304]),
    [] ).

fof(singleton_2,plain,
    ! [A,B] :
      ( ~ member(A,singleton_set(B))
      | $equal(B,A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),
    [] ).

cnf(166065184,plain,
    ( ~ member(A,singleton_set(B))
    | $equal(B,A) ),
    inference(rewrite,[status(thm)],[singleton_2]),
    [] ).

fof(prove_first_components_equal,plain,
    ~ $equal(m2,m1),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),
    [] ).

cnf(166097952,plain,
    ~ $equal(m2,m1),
    inference(rewrite,[status(thm)],[prove_first_components_equal]),
    [] ).

cnf(173902232,plain,
    ~ member(m1,singleton_set(m2)),
    inference(resolution,[status(thm)],[166065184,166097952]),
    [] ).

cnf(174252880,plain,
    $equal(singleton_set(m1),singleton_set(m2)),
    inference(forward_subsumption_resolution__paramodulation,[status(thm)],[166069304,174183168,173902232,theory(equality)]),
    [] ).

fof(singleton_1,plain,
    ! [A] : member(A,singleton_set(A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),
    [] ).

cnf(166055280,plain,
    member(A,singleton_set(A)),
    inference(rewrite,[status(thm)],[singleton_1]),
    [] ).

cnf(174369664,plain,
    member(m1,singleton_set(m2)),
    inference(paramodulation,[status(thm)],[174252880,166055280,theory(equality)]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[174369664,173902232]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(unordered_pair_1,plain,(member(A,unordered_pair(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),[]).
% 
% cnf(166069304,plain,(member(A,unordered_pair(A,B))),inference(rewrite,[status(thm)],[unordered_pair_1]),[]).
% 
% fof(unordered_pair_3,plain,(~member(A,unordered_pair(B,C))|$equal(B,A)|$equal(C,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),[]).
% 
% cnf(166080208,plain,(~member(A,unordered_pair(B,C))|$equal(B,A)|$equal(C,A)),inference(rewrite,[status(thm)],[unordered_pair_3]),[]).
% 
% fof(ordered_pair,plain,($equal(unordered_pair(singleton_set(A),unordered_pair(A,B)),ordered_pair(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),[]).
% 
% cnf(166089192,plain,($equal(unordered_pair(singleton_set(A),unordered_pair(A,B)),ordered_pair(A,B))),inference(rewrite,[status(thm)],[ordered_pair]),[]).
% 
% cnf(174007632,plain,(~member(A,ordered_pair(B,C))|$equal(singleton_set(B),A)|$equal(unordered_pair(B,C),A)),inference(paramodulation,[status(thm)],[166080208,166089192,theory(equality)]),[]).
% 
% fof(equal_ordered_pairs,plain,($equal(ordered_pair(m2,r2),ordered_pair(m1,r1))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),[]).
% 
% cnf(166093168,plain,($equal(ordered_pair(m2,r2),ordered_pair(m1,r1))),inference(rewrite,[status(thm)],[equal_ordered_pairs]),[]).
% 
% cnf(174076576,plain,(~member(A,ordered_pair(m2,r2))|$equal(singleton_set(m1),A)|$equal(unordered_pair(m1,r1),A)),inference(paramodulation,[status(thm)],[174007632,166093168,theory(equality)]),[]).
% 
% cnf(174162232,plain,(~member(A,unordered_pair(singleton_set(m2),unordered_pair(m2,r2)))|$equal(singleton_set(m1),A)|$equal(unordered_pair(m1,r1),A)),inference(paramodulation,[status(thm)],[174076576,166089192,theory(equality)]),[]).
% 
% cnf(174183168,plain,($equal(singleton_set(m1),singleton_set(m2))|$equal(unordered_pair(m1,r1),singleton_set(m2))),inference(resolution,[status(thm)],[174162232,166069304]),[]).
% 
% fof(singleton_2,plain,(~member(A,singleton_set(B))|$equal(B,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),[]).
% 
% cnf(166065184,plain,(~member(A,singleton_set(B))|$equal(B,A)),inference(rewrite,[status(thm)],[singleton_2]),[]).
% 
% fof(prove_first_components_equal,plain,(~$equal(m2,m1)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),[]).
% 
% cnf(166097952,plain,(~$equal(m2,m1)),inference(rewrite,[status(thm)],[prove_first_components_equal]),[]).
% 
% cnf(173902232,plain,(~member(m1,singleton_set(m2))),inference(resolution,[status(thm)],[166065184,166097952]),[]).
% 
% cnf(174252880,plain,($equal(singleton_set(m1),singleton_set(m2))),inference(forward_subsumption_resolution__paramodulation,[status(thm)],[166069304,174183168,173902232,theory(equality)]),[]).
% 
% fof(singleton_1,plain,(member(A,singleton_set(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET016-1.tptp',unknown),[]).
% 
% cnf(166055280,plain,(member(A,singleton_set(A))),inference(rewrite,[status(thm)],[singleton_1]),[]).
% 
% cnf(174369664,plain,(member(m1,singleton_set(m2))),inference(paramodulation,[status(thm)],[174252880,166055280,theory(equality)]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[174369664,173902232]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------