TSTP Solution File: LCL360-1 by Faust---1.0
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%------------------------------------------------------------------------------
% File : Faust---1.0
% Problem : LCL360-1 : TPTP v3.4.2. Released v2.3.0.
% 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 13:48:28 EDT 2009
% Result : Unsatisfiable 0.1s
% Output : Refutation 0.1s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of formulae : 11 ( 8 unt; 0 def)
% Number of atoms : 16 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 13 ( 8 ~; 5 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-1 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 17 ( 1 sgn 7 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(condensed_detachment,plain,
! [A,B] :
( ~ is_a_theorem(implies(A,B))
| ~ is_a_theorem(A)
| is_a_theorem(B) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL360-1.tptp',unknown),
[] ).
cnf(163440312,plain,
( ~ is_a_theorem(implies(A,B))
| ~ is_a_theorem(A)
| is_a_theorem(B) ),
inference(rewrite,[status(thm)],[condensed_detachment]),
[] ).
fof(cn_1,plain,
! [A,B,C] : is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL360-1.tptp',unknown),
[] ).
cnf(163445200,plain,
is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))),
inference(rewrite,[status(thm)],[cn_1]),
[] ).
cnf(171361528,plain,
( ~ is_a_theorem(implies(A,B))
| is_a_theorem(implies(implies(B,C),implies(A,C))) ),
inference(resolution,[status(thm)],[163440312,163445200]),
[] ).
fof(prove_cn_09,plain,
~ is_a_theorem(implies(implies(implies(not(x),y),z),implies(x,z))),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL360-1.tptp',unknown),
[] ).
cnf(163461128,plain,
~ is_a_theorem(implies(implies(implies(not(x),y),z),implies(x,z))),
inference(rewrite,[status(thm)],[prove_cn_09]),
[] ).
cnf(173190160,plain,
~ is_a_theorem(implies(x,implies(not(x),y))),
inference(resolution,[status(thm)],[171361528,163461128]),
[] ).
fof(cn_3,plain,
! [A,B] : is_a_theorem(implies(A,implies(not(A),B))),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL360-1.tptp',unknown),
[] ).
cnf(163453232,plain,
is_a_theorem(implies(A,implies(not(A),B))),
inference(rewrite,[status(thm)],[cn_3]),
[] ).
cnf(contradiction,plain,
$false,
inference(resolution,[status(thm)],[173190160,163453232]),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(condensed_detachment,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL360-1.tptp',unknown),[]).
%
% cnf(163440312,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),inference(rewrite,[status(thm)],[condensed_detachment]),[]).
%
% fof(cn_1,plain,(is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL360-1.tptp',unknown),[]).
%
% cnf(163445200,plain,(is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C))))),inference(rewrite,[status(thm)],[cn_1]),[]).
%
% cnf(171361528,plain,(~is_a_theorem(implies(A,B))|is_a_theorem(implies(implies(B,C),implies(A,C)))),inference(resolution,[status(thm)],[163440312,163445200]),[]).
%
% fof(prove_cn_09,plain,(~is_a_theorem(implies(implies(implies(not(x),y),z),implies(x,z)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL360-1.tptp',unknown),[]).
%
% cnf(163461128,plain,(~is_a_theorem(implies(implies(implies(not(x),y),z),implies(x,z)))),inference(rewrite,[status(thm)],[prove_cn_09]),[]).
%
% cnf(173190160,plain,(~is_a_theorem(implies(x,implies(not(x),y)))),inference(resolution,[status(thm)],[171361528,163461128]),[]).
%
% fof(cn_3,plain,(is_a_theorem(implies(A,implies(not(A),B)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL360-1.tptp',unknown),[]).
%
% cnf(163453232,plain,(is_a_theorem(implies(A,implies(not(A),B)))),inference(rewrite,[status(thm)],[cn_3]),[]).
%
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[173190160,163453232]),[]).
%
% END OF PROOF SEQUENCE
%
%------------------------------------------------------------------------------