TSTP Solution File: GRP029-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GRP029-1 : 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 12:18:41 EDT 2009

% Result   : Unsatisfiable 13.2s
% Output   : Refutation 13.2s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   26 (  14 unt;   0 def)
%            Number of atoms       :   50 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   50 (  26   ~;  24   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   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;   1 con; 0-2 aty)
%            Number of variables   :   66 (   0 sgn  21   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(associativity2,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/GRP029-1.tptp',unknown),
    [] ).

cnf(157199608,plain,
    ( ~ product(A,B,C)
    | ~ product(B,D,E)
    | ~ product(A,E,F)
    | product(C,D,F) ),
    inference(rewrite,[status(thm)],[associativity2]),
    [] ).

fof(left_inverse,plain,
    ! [A] : product(inverse(A),A,identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),
    [] ).

cnf(157206672,plain,
    product(inverse(A),A,identity),
    inference(rewrite,[status(thm)],[left_inverse]),
    [] ).

cnf(165211768,plain,
    ( ~ product(A,B,A)
    | product(identity,B,identity) ),
    inference(resolution,[status(thm)],[157199608,157206672]),
    [] ).

fof(associativity1,plain,
    ! [A,B,C,D,E,F] :
      ( ~ product(A,B,C)
      | ~ product(B,D,E)
      | ~ product(C,D,F)
      | product(A,E,F) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),
    [] ).

cnf(157195344,plain,
    ( ~ product(A,B,C)
    | ~ product(B,D,E)
    | ~ product(C,D,F)
    | product(A,E,F) ),
    inference(rewrite,[status(thm)],[associativity1]),
    [] ).

fof(total_function1,plain,
    ! [A,B] : product(A,B,multiply(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),
    [] ).

cnf(157177096,plain,
    product(A,B,multiply(A,B)),
    inference(rewrite,[status(thm)],[total_function1]),
    [] ).

cnf(165416608,plain,
    ( ~ product(A,B,C)
    | ~ product(C,D,E)
    | product(A,multiply(B,D),E) ),
    inference(resolution,[status(thm)],[157195344,157177096]),
    [] ).

cnf(165443512,plain,
    ( ~ product(identity,B,C)
    | product(inverse(A),multiply(A,B),C) ),
    inference(resolution,[status(thm)],[165416608,157206672]),
    [] ).

fof(left_identity,plain,
    ! [A] : product(identity,A,A),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),
    [] ).

cnf(157202872,plain,
    product(identity,A,A),
    inference(rewrite,[status(thm)],[left_identity]),
    [] ).

cnf(165491488,plain,
    product(inverse(A),multiply(A,B),B),
    inference(resolution,[status(thm)],[165443512,157202872]),
    [] ).

cnf(179863912,plain,
    product(identity,multiply(A,inverse(A)),identity),
    inference(resolution,[status(thm)],[165211768,165491488]),
    [] ).

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/GRP029-1.tptp',unknown),
    [] ).

cnf(157188608,plain,
    ( ~ product(A,B,C)
    | ~ product(A,B,D)
    | $equal(D,C) ),
    inference(rewrite,[status(thm)],[total_function2]),
    [] ).

cnf(164983864,plain,
    ( ~ product(identity,A,B)
    | $equal(B,A) ),
    inference(resolution,[status(thm)],[157188608,157202872]),
    [] ).

cnf(217530960,plain,
    $equal(identity,multiply(A,inverse(A))),
    inference(resolution,[status(thm)],[179863912,164983864]),
    [] ).

cnf(254229568,plain,
    product(A,inverse(A),identity),
    inference(paramodulation,[status(thm)],[217530960,157177096,theory(equality)]),
    [] ).

cnf(165133648,plain,
    ( ~ product(A,inverse(C),B)
    | ~ product(B,C,D)
    | product(A,identity,D) ),
    inference(resolution,[status(thm)],[157195344,157206672]),
    [] ).

cnf(165157464,plain,
    ( ~ product(A,inverse(B),identity)
    | product(A,identity,B) ),
    inference(resolution,[status(thm)],[165133648,157202872]),
    [] ).

cnf(257630648,plain,
    product(A,identity,A),
    inference(resolution,[status(thm)],[254229568,165157464]),
    [] ).

fof(prove_there_is_a_right_identity,plain,
    ! [A] : ~ product(not_right_identity(A),A,not_right_identity(A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),
    [] ).

cnf(157210424,plain,
    ~ product(not_right_identity(A),A,not_right_identity(A)),
    inference(rewrite,[status(thm)],[prove_there_is_a_right_identity]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[257630648,157210424]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 13 seconds
% START OF PROOF SEQUENCE
% fof(associativity2,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/GRP029-1.tptp',unknown),[]).
% 
% cnf(157199608,plain,(~product(A,B,C)|~product(B,D,E)|~product(A,E,F)|product(C,D,F)),inference(rewrite,[status(thm)],[associativity2]),[]).
% 
% fof(left_inverse,plain,(product(inverse(A),A,identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),[]).
% 
% cnf(157206672,plain,(product(inverse(A),A,identity)),inference(rewrite,[status(thm)],[left_inverse]),[]).
% 
% cnf(165211768,plain,(~product(A,B,A)|product(identity,B,identity)),inference(resolution,[status(thm)],[157199608,157206672]),[]).
% 
% fof(associativity1,plain,(~product(A,B,C)|~product(B,D,E)|~product(C,D,F)|product(A,E,F)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),[]).
% 
% cnf(157195344,plain,(~product(A,B,C)|~product(B,D,E)|~product(C,D,F)|product(A,E,F)),inference(rewrite,[status(thm)],[associativity1]),[]).
% 
% fof(total_function1,plain,(product(A,B,multiply(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),[]).
% 
% cnf(157177096,plain,(product(A,B,multiply(A,B))),inference(rewrite,[status(thm)],[total_function1]),[]).
% 
% cnf(165416608,plain,(~product(A,B,C)|~product(C,D,E)|product(A,multiply(B,D),E)),inference(resolution,[status(thm)],[157195344,157177096]),[]).
% 
% cnf(165443512,plain,(~product(identity,B,C)|product(inverse(A),multiply(A,B),C)),inference(resolution,[status(thm)],[165416608,157206672]),[]).
% 
% fof(left_identity,plain,(product(identity,A,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),[]).
% 
% cnf(157202872,plain,(product(identity,A,A)),inference(rewrite,[status(thm)],[left_identity]),[]).
% 
% cnf(165491488,plain,(product(inverse(A),multiply(A,B),B)),inference(resolution,[status(thm)],[165443512,157202872]),[]).
% 
% cnf(179863912,plain,(product(identity,multiply(A,inverse(A)),identity)),inference(resolution,[status(thm)],[165211768,165491488]),[]).
% 
% fof(total_function2,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),[]).
% 
% cnf(157188608,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),inference(rewrite,[status(thm)],[total_function2]),[]).
% 
% cnf(164983864,plain,(~product(identity,A,B)|$equal(B,A)),inference(resolution,[status(thm)],[157188608,157202872]),[]).
% 
% cnf(217530960,plain,($equal(identity,multiply(A,inverse(A)))),inference(resolution,[status(thm)],[179863912,164983864]),[]).
% 
% cnf(254229568,plain,(product(A,inverse(A),identity)),inference(paramodulation,[status(thm)],[217530960,157177096,theory(equality)]),[]).
% 
% cnf(165133648,plain,(~product(A,inverse(C),B)|~product(B,C,D)|product(A,identity,D)),inference(resolution,[status(thm)],[157195344,157206672]),[]).
% 
% cnf(165157464,plain,(~product(A,inverse(B),identity)|product(A,identity,B)),inference(resolution,[status(thm)],[165133648,157202872]),[]).
% 
% cnf(257630648,plain,(product(A,identity,A)),inference(resolution,[status(thm)],[254229568,165157464]),[]).
% 
% fof(prove_there_is_a_right_identity,plain,(~product(not_right_identity(A),A,not_right_identity(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP029-1.tptp',unknown),[]).
% 
% cnf(157210424,plain,(~product(not_right_identity(A),A,not_right_identity(A))),inference(rewrite,[status(thm)],[prove_there_is_a_right_identity]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[257630648,157210424]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------