TSTP Solution File: GRP021-1 by Faust---1.0
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- Process Solution
%------------------------------------------------------------------------------
% File : Faust---1.0
% Problem : GRP021-1 : TPTP v3.4.2. Released v1.0.0.
% 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 12:18:07 EDT 2009
% Result : Unsatisfiable 0.2s
% Output : Refutation 0.2s
% 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 : 12 ( 7 ~; 5 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 17 ( 0 sgn 7 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_X_times_inverse_X_is_id,plain,
~ $equal(multiply(a,inverse(a)),identity),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP021-1.tptp',unknown),
[] ).
cnf(157421472,plain,
~ $equal(multiply(a,inverse(a)),identity),
inference(rewrite,[status(thm)],[prove_X_times_inverse_X_is_id]),
[] ).
fof(total_function1,plain,
! [A,B] : product(A,B,multiply(A,B)),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP021-1.tptp',unknown),
[] ).
cnf(157391056,plain,
product(A,B,multiply(A,B)),
inference(rewrite,[status(thm)],[total_function1]),
[] ).
fof(total_function2,plain,
! [A,B,C,D] :
( ~ product(A,B,C)
| ~ product(A,B,D)
| $equal(D,C) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP021-1.tptp',unknown),
[] ).
cnf(157402360,plain,
( ~ product(A,B,C)
| ~ product(A,B,D)
| $equal(D,C) ),
inference(rewrite,[status(thm)],[total_function2]),
[] ).
fof(right_inverse,plain,
! [A] : product(A,inverse(A),identity),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP021-1.tptp',unknown),
[] ).
cnf(157387480,plain,
product(A,inverse(A),identity),
inference(rewrite,[status(thm)],[right_inverse]),
[] ).
cnf(165597984,plain,
( ~ product(A,inverse(A),B)
| $equal(B,identity) ),
inference(resolution,[status(thm)],[157402360,157387480]),
[] ).
cnf(171681392,plain,
$equal(multiply(A,inverse(A)),identity),
inference(resolution,[status(thm)],[157391056,165597984]),
[] ).
cnf(contradiction,plain,
$false,
inference(resolution,[status(thm)],[157421472,171681392]),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(prove_X_times_inverse_X_is_id,plain,(~$equal(multiply(a,inverse(a)),identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP021-1.tptp',unknown),[]).
%
% cnf(157421472,plain,(~$equal(multiply(a,inverse(a)),identity)),inference(rewrite,[status(thm)],[prove_X_times_inverse_X_is_id]),[]).
%
% fof(total_function1,plain,(product(A,B,multiply(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP021-1.tptp',unknown),[]).
%
% cnf(157391056,plain,(product(A,B,multiply(A,B))),inference(rewrite,[status(thm)],[total_function1]),[]).
%
% fof(total_function2,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP021-1.tptp',unknown),[]).
%
% cnf(157402360,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),inference(rewrite,[status(thm)],[total_function2]),[]).
%
% fof(right_inverse,plain,(product(A,inverse(A),identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP021-1.tptp',unknown),[]).
%
% cnf(157387480,plain,(product(A,inverse(A),identity)),inference(rewrite,[status(thm)],[right_inverse]),[]).
%
% cnf(165597984,plain,(~product(A,inverse(A),B)|$equal(B,identity)),inference(resolution,[status(thm)],[157402360,157387480]),[]).
%
% cnf(171681392,plain,($equal(multiply(A,inverse(A)),identity)),inference(resolution,[status(thm)],[157391056,165597984]),[]).
%
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[157421472,171681392]),[]).
%
% END OF PROOF SEQUENCE
%
%------------------------------------------------------------------------------