TSTP Solution File: GRP013-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GRP013-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art04.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 12:17:56 EDT 2009

% Result   : Unsatisfiable 0.9s
% Output   : Refutation 0.9s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   28 (  18 unt;   0 def)
%            Number of atoms       :   45 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   36 (  19   ~;  17   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :   45 (   0 sgn  17   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(squareness,plain,
    ! [A] : product(A,A,identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),
    [] ).

cnf(166254704,plain,
    product(A,A,identity),
    inference(rewrite,[status(thm)],[squareness]),
    [] ).

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/GRP013-1.tptp',unknown),
    [] ).

cnf(166243000,plain,
    ( ~ product(A,B,C)
    | ~ product(B,D,E)
    | ~ product(C,D,F)
    | product(A,E,F) ),
    inference(rewrite,[status(thm)],[associativity1]),
    [] ).

fof(left_identity,plain,
    ! [A] : product(identity,A,A),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),
    [] ).

cnf(166209720,plain,
    product(identity,A,A),
    inference(rewrite,[status(thm)],[left_identity]),
    [] ).

cnf(174131384,plain,
    ( ~ product(A,B,identity)
    | ~ product(B,C,D)
    | product(A,D,C) ),
    inference(resolution,[status(thm)],[166243000,166209720]),
    [] ).

cnf(174215264,plain,
    ( ~ product(A,B,C)
    | product(A,C,B) ),
    inference(resolution,[status(thm)],[174131384,166254704]),
    [] ).

fof(total_function1,plain,
    ! [A,B] : product(A,B,multiply(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),
    [] ).

cnf(166224896,plain,
    product(A,B,multiply(A,B)),
    inference(rewrite,[status(thm)],[total_function1]),
    [] ).

cnf(182594344,plain,
    product(A,multiply(A,B),B),
    inference(resolution,[status(thm)],[174215264,166224896]),
    [] ).

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/GRP013-1.tptp',unknown),
    [] ).

cnf(166236200,plain,
    ( ~ product(A,B,C)
    | ~ product(A,B,D)
    | $equal(D,C) ),
    inference(rewrite,[status(thm)],[total_function2]),
    [] ).

fof(inverses_have_property,plain,
    ! [A,B,C] :
      ( ~ product(inverse(A),inverse(B),C)
      | product(A,C,B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),
    [] ).

cnf(166271928,plain,
    ( ~ product(inverse(A),inverse(B),C)
    | product(A,C,B) ),
    inference(rewrite,[status(thm)],[inverses_have_property]),
    [] ).

fof(inverse_a_times_inverse_b_is_d,plain,
    product(inverse(a),inverse(b),d),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),
    [] ).

cnf(166266304,plain,
    product(inverse(a),inverse(b),d),
    inference(rewrite,[status(thm)],[inverse_a_times_inverse_b_is_d]),
    [] ).

cnf(174579128,plain,
    product(a,d,b),
    inference(resolution,[status(thm)],[166271928,166266304]),
    [] ).

cnf(174803456,plain,
    ( ~ product(a,d,A)
    | $equal(A,b) ),
    inference(resolution,[status(thm)],[166236200,174579128]),
    [] ).

cnf(191195680,plain,
    $equal(multiply(a,d),b),
    inference(resolution,[status(thm)],[174803456,166224896]),
    [] ).

cnf(197327760,plain,
    product(a,b,d),
    inference(paramodulation,[status(thm)],[182594344,191195680,theory(equality)]),
    [] ).

fof(a_times_b_is_c,plain,
    product(a,b,c),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),
    [] ).

cnf(166207136,plain,
    product(a,b,c),
    inference(rewrite,[status(thm)],[a_times_b_is_c]),
    [] ).

cnf(174737120,plain,
    ( ~ product(a,b,A)
    | $equal(A,c) ),
    inference(resolution,[status(thm)],[166236200,166207136]),
    [] ).

cnf(197394384,plain,
    $equal(d,c),
    inference(resolution,[status(thm)],[197327760,174737120]),
    [] ).

fof(prove_c_times_d_is_identity,plain,
    ~ product(c,d,identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),
    [] ).

cnf(166275944,plain,
    ~ product(c,d,identity),
    inference(rewrite,[status(thm)],[prove_c_times_d_is_identity]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__paramodulation,[status(thm)],[166254704,197394384,166275944,theory(equality)]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 1 seconds
% START OF PROOF SEQUENCE
% fof(squareness,plain,(product(A,A,identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),[]).
% 
% cnf(166254704,plain,(product(A,A,identity)),inference(rewrite,[status(thm)],[squareness]),[]).
% 
% 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/GRP013-1.tptp',unknown),[]).
% 
% cnf(166243000,plain,(~product(A,B,C)|~product(B,D,E)|~product(C,D,F)|product(A,E,F)),inference(rewrite,[status(thm)],[associativity1]),[]).
% 
% fof(left_identity,plain,(product(identity,A,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),[]).
% 
% cnf(166209720,plain,(product(identity,A,A)),inference(rewrite,[status(thm)],[left_identity]),[]).
% 
% cnf(174131384,plain,(~product(A,B,identity)|~product(B,C,D)|product(A,D,C)),inference(resolution,[status(thm)],[166243000,166209720]),[]).
% 
% cnf(174215264,plain,(~product(A,B,C)|product(A,C,B)),inference(resolution,[status(thm)],[174131384,166254704]),[]).
% 
% fof(total_function1,plain,(product(A,B,multiply(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),[]).
% 
% cnf(166224896,plain,(product(A,B,multiply(A,B))),inference(rewrite,[status(thm)],[total_function1]),[]).
% 
% cnf(182594344,plain,(product(A,multiply(A,B),B)),inference(resolution,[status(thm)],[174215264,166224896]),[]).
% 
% fof(total_function2,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),[]).
% 
% cnf(166236200,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),inference(rewrite,[status(thm)],[total_function2]),[]).
% 
% fof(inverses_have_property,plain,(~product(inverse(A),inverse(B),C)|product(A,C,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),[]).
% 
% cnf(166271928,plain,(~product(inverse(A),inverse(B),C)|product(A,C,B)),inference(rewrite,[status(thm)],[inverses_have_property]),[]).
% 
% fof(inverse_a_times_inverse_b_is_d,plain,(product(inverse(a),inverse(b),d)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),[]).
% 
% cnf(166266304,plain,(product(inverse(a),inverse(b),d)),inference(rewrite,[status(thm)],[inverse_a_times_inverse_b_is_d]),[]).
% 
% cnf(174579128,plain,(product(a,d,b)),inference(resolution,[status(thm)],[166271928,166266304]),[]).
% 
% cnf(174803456,plain,(~product(a,d,A)|$equal(A,b)),inference(resolution,[status(thm)],[166236200,174579128]),[]).
% 
% cnf(191195680,plain,($equal(multiply(a,d),b)),inference(resolution,[status(thm)],[174803456,166224896]),[]).
% 
% cnf(197327760,plain,(product(a,b,d)),inference(paramodulation,[status(thm)],[182594344,191195680,theory(equality)]),[]).
% 
% fof(a_times_b_is_c,plain,(product(a,b,c)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),[]).
% 
% cnf(166207136,plain,(product(a,b,c)),inference(rewrite,[status(thm)],[a_times_b_is_c]),[]).
% 
% cnf(174737120,plain,(~product(a,b,A)|$equal(A,c)),inference(resolution,[status(thm)],[166236200,166207136]),[]).
% 
% cnf(197394384,plain,($equal(d,c)),inference(resolution,[status(thm)],[197327760,174737120]),[]).
% 
% fof(prove_c_times_d_is_identity,plain,(~product(c,d,identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP013-1.tptp',unknown),[]).
% 
% cnf(166275944,plain,(~product(c,d,identity)),inference(rewrite,[status(thm)],[prove_c_times_d_is_identity]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__paramodulation,[status(thm)],[166254704,197394384,166275944,theory(equality)]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------