TSTP Solution File: SET002+3 by Faust---1.0
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%------------------------------------------------------------------------------
% File : Faust---1.0
% Problem : SET002+3 : TPTP v3.4.2. Released v2.2.0.
% Transfm : none
% Format : tptp
% Command : faust %s
% Computer : art01.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 15:22:31 EDT 2009
% Result : Theorem 0.0s
% Output : Refutation 0.0s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 6 unt; 0 def)
% Number of atoms : 10 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 6 ( 4 ~; 2 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 2 ( 2 usr; 1 con; 0-2 aty)
% Number of variables : 7 ( 0 sgn 3 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(subset_union,plain,
! [A,B] :
( ~ subset(A,B)
| $equal(union(A,B),B) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET002+3.tptp',unknown),
[] ).
cnf(145784904,plain,
( ~ subset(A,B)
| $equal(union(A,B),B) ),
inference(rewrite,[status(thm)],[subset_union]),
[] ).
fof(reflexivity_of_subset,plain,
! [A] : subset(A,A),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET002+3.tptp',unknown),
[] ).
cnf(145888464,plain,
subset(A,A),
inference(rewrite,[status(thm)],[reflexivity_of_subset]),
[] ).
cnf(153722112,plain,
$equal(union(A,A),A),
inference(resolution,[status(thm)],[145784904,145888464]),
[] ).
fof(prove_idempotency_of_union,plain,
~ $equal(union(b,b),b),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET002+3.tptp',unknown),
[] ).
cnf(145949224,plain,
~ $equal(union(b,b),b),
inference(rewrite,[status(thm)],[prove_idempotency_of_union]),
[] ).
cnf(contradiction,plain,
$false,
inference(resolution,[status(thm)],[153722112,145949224]),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(subset_union,plain,(~subset(A,B)|$equal(union(A,B),B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET002+3.tptp',unknown),[]).
%
% cnf(145784904,plain,(~subset(A,B)|$equal(union(A,B),B)),inference(rewrite,[status(thm)],[subset_union]),[]).
%
% fof(reflexivity_of_subset,plain,(subset(A,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET002+3.tptp',unknown),[]).
%
% cnf(145888464,plain,(subset(A,A)),inference(rewrite,[status(thm)],[reflexivity_of_subset]),[]).
%
% cnf(153722112,plain,($equal(union(A,A),A)),inference(resolution,[status(thm)],[145784904,145888464]),[]).
%
% fof(prove_idempotency_of_union,plain,(~$equal(union(b,b),b)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET002+3.tptp',unknown),[]).
%
% cnf(145949224,plain,(~$equal(union(b,b),b)),inference(rewrite,[status(thm)],[prove_idempotency_of_union]),[]).
%
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[153722112,145949224]),[]).
%
% END OF PROOF SEQUENCE
% faust: ../JJParser/Signature.c:39: void FreeSignatureList(SymbolNodeType**): Assertion `(*Symbols)->NumberOfUses == 0' failed.
%
%------------------------------------------------------------------------------