TSTP Solution File: GRP036-3 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GRP036-3 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art05.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 12:19:02 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   20 (  11 unt;   0 def)
%            Number of atoms       :   36 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   34 (  18   ~;  16   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-1 aty)
%            Number of variables   :   32 (   0 sgn  13   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(left_inverse,plain,
    ! [A] : product(inverse(A),A,identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),
    [] ).

cnf(166635744,plain,
    product(inverse(A),A,identity),
    inference(rewrite,[status(thm)],[left_inverse]),
    [] ).

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/GRP036-3.tptp',unknown),
    [] ).

cnf(166658528,plain,
    ( ~ product(A,B,C)
    | ~ product(A,B,D)
    | $equal(D,C) ),
    inference(rewrite,[status(thm)],[total_function2]),
    [] ).

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/GRP036-3.tptp',unknown),
    [] ).

cnf(166665328,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/GRP036-3.tptp',unknown),
    [] ).

cnf(166627960,plain,
    product(identity,A,A),
    inference(rewrite,[status(thm)],[left_identity]),
    [] ).

cnf(174854720,plain,
    ( ~ product(A,B,identity)
    | ~ product(B,C,D)
    | product(A,D,C) ),
    inference(resolution,[status(thm)],[166665328,166627960]),
    [] ).

fof(another_left_identity,plain,
    ! [A] :
      ( ~ subgroup_member(A)
      | product(another_identity,A,A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),
    [] ).

cnf(166687744,plain,
    ( ~ subgroup_member(A)
    | product(another_identity,A,A) ),
    inference(rewrite,[status(thm)],[another_left_identity]),
    [] ).

fof(another_identity_in_subgroup,plain,
    subgroup_member(another_identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),
    [] ).

cnf(166712600,plain,
    subgroup_member(another_identity),
    inference(rewrite,[status(thm)],[another_identity_in_subgroup]),
    [] ).

cnf(174508952,plain,
    product(another_identity,another_identity,another_identity),
    inference(resolution,[status(thm)],[166687744,166712600]),
    [] ).

cnf(175027064,plain,
    ( ~ product(A,another_identity,identity)
    | product(A,another_identity,another_identity) ),
    inference(resolution,[status(thm)],[174854720,174508952]),
    [] ).

cnf(175083040,plain,
    product(inverse(another_identity),another_identity,another_identity),
    inference(resolution,[status(thm)],[175027064,166635744]),
    [] ).

cnf(175361808,plain,
    ( ~ product(inverse(another_identity),another_identity,A)
    | $equal(another_identity,A) ),
    inference(resolution,[status(thm)],[166658528,175083040]),
    [] ).

fof(prove_identity_equals_another_identity,plain,
    ~ $equal(another_identity,identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),
    [] ).

cnf(166717272,plain,
    ~ $equal(another_identity,identity),
    inference(rewrite,[status(thm)],[prove_identity_equals_another_identity]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[166635744,175361808,166717272]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(left_inverse,plain,(product(inverse(A),A,identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),[]).
% 
% cnf(166635744,plain,(product(inverse(A),A,identity)),inference(rewrite,[status(thm)],[left_inverse]),[]).
% 
% fof(total_function2,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),[]).
% 
% cnf(166658528,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),inference(rewrite,[status(thm)],[total_function2]),[]).
% 
% 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/GRP036-3.tptp',unknown),[]).
% 
% cnf(166665328,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/GRP036-3.tptp',unknown),[]).
% 
% cnf(166627960,plain,(product(identity,A,A)),inference(rewrite,[status(thm)],[left_identity]),[]).
% 
% cnf(174854720,plain,(~product(A,B,identity)|~product(B,C,D)|product(A,D,C)),inference(resolution,[status(thm)],[166665328,166627960]),[]).
% 
% fof(another_left_identity,plain,(~subgroup_member(A)|product(another_identity,A,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),[]).
% 
% cnf(166687744,plain,(~subgroup_member(A)|product(another_identity,A,A)),inference(rewrite,[status(thm)],[another_left_identity]),[]).
% 
% fof(another_identity_in_subgroup,plain,(subgroup_member(another_identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),[]).
% 
% cnf(166712600,plain,(subgroup_member(another_identity)),inference(rewrite,[status(thm)],[another_identity_in_subgroup]),[]).
% 
% cnf(174508952,plain,(product(another_identity,another_identity,another_identity)),inference(resolution,[status(thm)],[166687744,166712600]),[]).
% 
% cnf(175027064,plain,(~product(A,another_identity,identity)|product(A,another_identity,another_identity)),inference(resolution,[status(thm)],[174854720,174508952]),[]).
% 
% cnf(175083040,plain,(product(inverse(another_identity),another_identity,another_identity)),inference(resolution,[status(thm)],[175027064,166635744]),[]).
% 
% cnf(175361808,plain,(~product(inverse(another_identity),another_identity,A)|$equal(another_identity,A)),inference(resolution,[status(thm)],[166658528,175083040]),[]).
% 
% fof(prove_identity_equals_another_identity,plain,(~$equal(another_identity,identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRP/GRP036-3.tptp',unknown),[]).
% 
% cnf(166717272,plain,(~$equal(another_identity,identity)),inference(rewrite,[status(thm)],[prove_identity_equals_another_identity]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[166635744,175361808,166717272]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------