TSTP Solution File: GRP028-4 by Faust---1.0
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- Process Solution
%------------------------------------------------------------------------------
% File : Faust---1.0
% Problem : GRP028-4 : TPTP v3.4.2. Released v2.6.0.
% Transfm : none
% Format : tptp
% Command : faust %s
% Computer : art06.cs.miami.edu
% Model : i686 i686
% CPU : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2794MHz
% Memory : 1003MB
% OS : Linux 2.6.11-1.1369_FC4
% CPULimit : 600s
% DateTime : Wed May 6 12:18:39 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 : 19 ( 0 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 18 ( 10 ~; 8 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 3 ( 3 usr; 0 con; 1-2 aty)
% Number of variables : 29 ( 0 sgn 11 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(associativity1,plain,
! [A,B,C,D,E,F] :
( ~ product(A,B,C)
| ~ product(B,D,E)
| ~ product(A,E,F)
| product(C,D,F) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP028-4.tptp',unknown),
[] ).
cnf(153165368,plain,
( ~ product(A,B,C)
| ~ product(B,D,E)
| ~ product(A,E,F)
| product(C,D,F) ),
inference(rewrite,[status(thm)],[associativity1]),
[] ).
fof(right_soln,plain,
! [A,B] : product(A,right_solution(A,B),B),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP028-4.tptp',unknown),
[] ).
cnf(153177608,plain,
product(A,right_solution(A,B),B),
inference(rewrite,[status(thm)],[right_soln]),
[] ).
cnf(161028320,plain,
( ~ product(A,B,C)
| ~ product(A,D,E)
| product(C,right_solution(B,D),E) ),
inference(resolution,[status(thm)],[153165368,153177608]),
[] ).
fof(left_soln,plain,
! [A,B] : product(left_solution(A,B),A,B),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP028-4.tptp',unknown),
[] ).
cnf(153173776,plain,
product(left_solution(A,B),A,B),
inference(rewrite,[status(thm)],[left_soln]),
[] ).
cnf(161096224,plain,
product(B,right_solution(A,A),B),
inference(resolution,[status(thm)],[161028320,153173776]),
[] ).
fof(prove_there_is_a_right_identity,plain,
! [A] : ~ product(not_identity(A),A,not_identity(A)),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP028-4.tptp',unknown),
[] ).
cnf(153181376,plain,
~ product(not_identity(A),A,not_identity(A)),
inference(rewrite,[status(thm)],[prove_there_is_a_right_identity]),
[] ).
cnf(contradiction,plain,
$false,
inference(resolution,[status(thm)],[161096224,153181376]),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(associativity1,plain,(~product(A,B,C)|~product(B,D,E)|~product(A,E,F)|product(C,D,F)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP028-4.tptp',unknown),[]).
%
% cnf(153165368,plain,(~product(A,B,C)|~product(B,D,E)|~product(A,E,F)|product(C,D,F)),inference(rewrite,[status(thm)],[associativity1]),[]).
%
% fof(right_soln,plain,(product(A,right_solution(A,B),B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP028-4.tptp',unknown),[]).
%
% cnf(153177608,plain,(product(A,right_solution(A,B),B)),inference(rewrite,[status(thm)],[right_soln]),[]).
%
% cnf(161028320,plain,(~product(A,B,C)|~product(A,D,E)|product(C,right_solution(B,D),E)),inference(resolution,[status(thm)],[153165368,153177608]),[]).
%
% fof(left_soln,plain,(product(left_solution(A,B),A,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP028-4.tptp',unknown),[]).
%
% cnf(153173776,plain,(product(left_solution(A,B),A,B)),inference(rewrite,[status(thm)],[left_soln]),[]).
%
% cnf(161096224,plain,(product(B,right_solution(A,A),B)),inference(resolution,[status(thm)],[161028320,153173776]),[]).
%
% fof(prove_there_is_a_right_identity,plain,(~product(not_identity(A),A,not_identity(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP028-4.tptp',unknown),[]).
%
% cnf(153181376,plain,(~product(not_identity(A),A,not_identity(A))),inference(rewrite,[status(thm)],[prove_there_is_a_right_identity]),[]).
%
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[161096224,153181376]),[]).
%
% END OF PROOF SEQUENCE
%
%------------------------------------------------------------------------------