TSTP Solution File: GRP001-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GRP001-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art03.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory   : 1003MB
% OS       : Linux 2.6.11-1.1369_FC4
% CPULimit : 600s
% DateTime : Wed May  6 12:17:03 EDT 2009

% Result   : Unsatisfiable 2.4s
% Output   : Refutation 2.4s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   23 (  13 unt;   0 def)
%            Number of atoms       :   44 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   46 (  25   ~;  21   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :   46 (   0 sgn  15   !;   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/GRP001-1.tptp',unknown),
    [] ).

cnf(154551936,plain,
    ( ~ product(A,B,C)
    | ~ product(B,D,E)
    | ~ product(A,E,F)
    | product(C,D,F) ),
    inference(rewrite,[status(thm)],[associativity2]),
    [] ).

fof(square_element,plain,
    ! [A] : product(A,A,identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),
    [] ).

cnf(154555200,plain,
    product(A,A,identity),
    inference(rewrite,[status(thm)],[square_element]),
    [] ).

cnf(165192248,plain,
    ( ~ product(A,B,C)
    | ~ product(A,identity,D)
    | product(C,B,D) ),
    inference(resolution,[status(thm)],[154551936,154555200]),
    [] ).

fof(right_identity,plain,
    ! [A] : product(A,identity,A),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),
    [] ).

cnf(154514416,plain,
    product(A,identity,A),
    inference(rewrite,[status(thm)],[right_identity]),
    [] ).

cnf(171467720,plain,
    ( ~ product(A,B,C)
    | product(C,B,A) ),
    inference(resolution,[status(thm)],[165192248,154514416]),
    [] ).

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/GRP001-1.tptp',unknown),
    [] ).

cnf(154543528,plain,
    ( ~ product(A,B,C)
    | ~ product(B,D,E)
    | ~ product(C,D,F)
    | product(A,E,F) ),
    inference(rewrite,[status(thm)],[associativity1]),
    [] ).

cnf(165119560,plain,
    ( ~ product(A,B,C)
    | ~ product(identity,B,D)
    | product(A,C,D) ),
    inference(resolution,[status(thm)],[154543528,154555200]),
    [] ).

fof(a_times_b_is_c,plain,
    product(a,b,c),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),
    [] ).

cnf(154507728,plain,
    product(a,b,c),
    inference(rewrite,[status(thm)],[a_times_b_is_c]),
    [] ).

cnf(165242776,plain,
    ( ~ product(identity,b,A)
    | product(a,c,A) ),
    inference(resolution,[status(thm)],[165119560,154507728]),
    [] ).

fof(left_identity,plain,
    ! [A] : product(identity,A,A),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),
    [] ).

cnf(154510312,plain,
    product(identity,A,A),
    inference(rewrite,[status(thm)],[left_identity]),
    [] ).

cnf(165252296,plain,
    product(a,c,b),
    inference(resolution,[status(thm)],[165242776,154510312]),
    [] ).

cnf(174077056,plain,
    product(b,c,a),
    inference(resolution,[status(thm)],[171467720,165252296]),
    [] ).

fof(prove_b_times_a_is_c,plain,
    ~ product(b,a,c),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),
    [] ).

cnf(154562744,plain,
    ~ product(b,a,c),
    inference(rewrite,[status(thm)],[prove_b_times_a_is_c]),
    [] ).

cnf(204498536,plain,
    ( ~ product(b,A,B)
    | ~ product(A,C,a)
    | ~ product(B,C,c) ),
    inference(resolution,[status(thm)],[154543528,154562744]),
    [] ).

cnf(204699560,plain,
    ( ~ product(b,A,identity)
    | ~ product(A,c,a) ),
    inference(resolution,[status(thm)],[154510312,204498536]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[174077056,154555200,204699560]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 2 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/GRP001-1.tptp',unknown),[]).
% 
% cnf(154551936,plain,(~product(A,B,C)|~product(B,D,E)|~product(A,E,F)|product(C,D,F)),inference(rewrite,[status(thm)],[associativity2]),[]).
% 
% fof(square_element,plain,(product(A,A,identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),[]).
% 
% cnf(154555200,plain,(product(A,A,identity)),inference(rewrite,[status(thm)],[square_element]),[]).
% 
% cnf(165192248,plain,(~product(A,B,C)|~product(A,identity,D)|product(C,B,D)),inference(resolution,[status(thm)],[154551936,154555200]),[]).
% 
% fof(right_identity,plain,(product(A,identity,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),[]).
% 
% cnf(154514416,plain,(product(A,identity,A)),inference(rewrite,[status(thm)],[right_identity]),[]).
% 
% cnf(171467720,plain,(~product(A,B,C)|product(C,B,A)),inference(resolution,[status(thm)],[165192248,154514416]),[]).
% 
% 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/GRP001-1.tptp',unknown),[]).
% 
% cnf(154543528,plain,(~product(A,B,C)|~product(B,D,E)|~product(C,D,F)|product(A,E,F)),inference(rewrite,[status(thm)],[associativity1]),[]).
% 
% cnf(165119560,plain,(~product(A,B,C)|~product(identity,B,D)|product(A,C,D)),inference(resolution,[status(thm)],[154543528,154555200]),[]).
% 
% fof(a_times_b_is_c,plain,(product(a,b,c)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),[]).
% 
% cnf(154507728,plain,(product(a,b,c)),inference(rewrite,[status(thm)],[a_times_b_is_c]),[]).
% 
% cnf(165242776,plain,(~product(identity,b,A)|product(a,c,A)),inference(resolution,[status(thm)],[165119560,154507728]),[]).
% 
% fof(left_identity,plain,(product(identity,A,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),[]).
% 
% cnf(154510312,plain,(product(identity,A,A)),inference(rewrite,[status(thm)],[left_identity]),[]).
% 
% cnf(165252296,plain,(product(a,c,b)),inference(resolution,[status(thm)],[165242776,154510312]),[]).
% 
% cnf(174077056,plain,(product(b,c,a)),inference(resolution,[status(thm)],[171467720,165252296]),[]).
% 
% fof(prove_b_times_a_is_c,plain,(~product(b,a,c)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP001-1.tptp',unknown),[]).
% 
% cnf(154562744,plain,(~product(b,a,c)),inference(rewrite,[status(thm)],[prove_b_times_a_is_c]),[]).
% 
% cnf(204498536,plain,(~product(b,A,B)|~product(A,C,a)|~product(B,C,c)),inference(resolution,[status(thm)],[154543528,154562744]),[]).
% 
% cnf(204699560,plain,(~product(b,A,identity)|~product(A,c,a)),inference(resolution,[status(thm)],[154510312,204498536]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[174077056,154555200,204699560]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------