TSTP Solution File: GRP044-2 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GRP044-2 : 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 12:19:24 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   18 (  11 unt;   0 def)
%            Number of atoms       :   32 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   30 (  16   ~;  14   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   29 (   0 sgn  11   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_product_with_b,plain,
    ~ product(b,c,result),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),
    [] ).

cnf(169435240,plain,
    ~ product(b,c,result),
    inference(rewrite,[status(thm)],[prove_product_with_b]),
    [] ).

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/GRP044-2.tptp',unknown),
    [] ).

cnf(169464928,plain,
    ( ~ product(A,B,C)
    | ~ product(B,D,E)
    | ~ product(A,E,F)
    | product(C,D,F) ),
    inference(rewrite,[status(thm)],[associativity2]),
    [] ).

fof(product_substitution3,plain,
    ! [A,B,C,D] :
      ( ~ equalish(A,B)
      | ~ product(C,D,A)
      | product(C,D,B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),
    [] ).

cnf(169476464,plain,
    ( ~ equalish(A,B)
    | ~ product(C,D,A)
    | product(C,D,B) ),
    inference(rewrite,[status(thm)],[product_substitution3]),
    [] ).

fof(a_equals_b,plain,
    equalish(a,b),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),
    [] ).

cnf(169481048,plain,
    equalish(a,b),
    inference(rewrite,[status(thm)],[a_equals_b]),
    [] ).

cnf(177277848,plain,
    ( ~ product(A,B,a)
    | product(A,B,b) ),
    inference(resolution,[status(thm)],[169476464,169481048]),
    [] ).

fof(left_identity,plain,
    ! [A] : product(identity,A,A),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),
    [] ).

cnf(169437752,plain,
    product(identity,A,A),
    inference(rewrite,[status(thm)],[left_identity]),
    [] ).

cnf(177325016,plain,
    product(identity,a,b),
    inference(resolution,[status(thm)],[177277848,169437752]),
    [] ).

cnf(177661160,plain,
    ( ~ product(a,A,B)
    | ~ product(identity,B,C)
    | product(b,A,C) ),
    inference(resolution,[status(thm)],[169464928,177325016]),
    [] ).

cnf(177726608,plain,
    ( ~ product(a,A,B)
    | product(b,A,B) ),
    inference(resolution,[status(thm)],[177661160,169437752]),
    [] ).

fof(product_with_a,plain,
    product(a,c,result),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),
    [] ).

cnf(169485048,plain,
    product(a,c,result),
    inference(rewrite,[status(thm)],[product_with_a]),
    [] ).

cnf(177730864,plain,
    product(b,c,result),
    inference(resolution,[status(thm)],[177726608,169485048]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[169435240,177730864]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 1 seconds
% START OF PROOF SEQUENCE
% fof(prove_product_with_b,plain,(~product(b,c,result)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),[]).
% 
% cnf(169435240,plain,(~product(b,c,result)),inference(rewrite,[status(thm)],[prove_product_with_b]),[]).
% 
% 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/GRP044-2.tptp',unknown),[]).
% 
% cnf(169464928,plain,(~product(A,B,C)|~product(B,D,E)|~product(A,E,F)|product(C,D,F)),inference(rewrite,[status(thm)],[associativity2]),[]).
% 
% fof(product_substitution3,plain,(~equalish(A,B)|~product(C,D,A)|product(C,D,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),[]).
% 
% cnf(169476464,plain,(~equalish(A,B)|~product(C,D,A)|product(C,D,B)),inference(rewrite,[status(thm)],[product_substitution3]),[]).
% 
% fof(a_equals_b,plain,(equalish(a,b)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),[]).
% 
% cnf(169481048,plain,(equalish(a,b)),inference(rewrite,[status(thm)],[a_equals_b]),[]).
% 
% cnf(177277848,plain,(~product(A,B,a)|product(A,B,b)),inference(resolution,[status(thm)],[169476464,169481048]),[]).
% 
% fof(left_identity,plain,(product(identity,A,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),[]).
% 
% cnf(169437752,plain,(product(identity,A,A)),inference(rewrite,[status(thm)],[left_identity]),[]).
% 
% cnf(177325016,plain,(product(identity,a,b)),inference(resolution,[status(thm)],[177277848,169437752]),[]).
% 
% cnf(177661160,plain,(~product(a,A,B)|~product(identity,B,C)|product(b,A,C)),inference(resolution,[status(thm)],[169464928,177325016]),[]).
% 
% cnf(177726608,plain,(~product(a,A,B)|product(b,A,B)),inference(resolution,[status(thm)],[177661160,169437752]),[]).
% 
% fof(product_with_a,plain,(product(a,c,result)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP044-2.tptp',unknown),[]).
% 
% cnf(169485048,plain,(product(a,c,result)),inference(rewrite,[status(thm)],[product_with_a]),[]).
% 
% cnf(177730864,plain,(product(b,c,result)),inference(resolution,[status(thm)],[177726608,169485048]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[169435240,177730864]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------