TSTP Solution File: RNG038-2 by Faust---1.0

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%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : RNG038-2 : 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 @ 2793MHz
% Memory   : 1003MB
% OS       : Linux 2.6.17-1.2142_FC4
% CPULimit : 600s
% DateTime : Wed May  6 15:20:43 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    :   23 (  12 unt;   0 def)
%            Number of atoms       :   45 (   0 equ)
%            Maximal formula atoms :    5 (   1 avg)
%            Number of connectives :   49 (  27   ~;  22   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   50 (   2 sgn  18   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(some_property,plain,
    ! [A,B] :
      ( ~ equalish(A,additive_identity)
      | product(A,h(A,B),B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),
    [] ).

cnf(164496600,plain,
    ( ~ equalish(A,additive_identity)
    | product(A,h(A,B),B) ),
    inference(rewrite,[status(thm)],[some_property]),
    [] ).

fof(addition_is_well_defined,plain,
    ! [A,B,C,D] :
      ( ~ sum(A,B,C)
      | ~ sum(A,B,D)
      | equalish(C,D) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),
    [] ).

cnf(164474768,plain,
    ( ~ sum(A,B,C)
    | ~ sum(A,B,D)
    | equalish(C,D) ),
    inference(rewrite,[status(thm)],[addition_is_well_defined]),
    [] ).

fof(additive_identity2,plain,
    ! [A] : sum(A,additive_identity,A),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),
    [] ).

cnf(164394096,plain,
    sum(A,additive_identity,A),
    inference(rewrite,[status(thm)],[additive_identity2]),
    [] ).

cnf(175008040,plain,
    equalish(A,A),
    inference(resolution,[status(thm)],[164474768,164394096]),
    [] ).

cnf(175180376,plain,
    product(additive_identity,h(additive_identity,A),A),
    inference(resolution,[status(thm)],[164496600,175008040]),
    [] ).

fof(multiplicative_identity1,plain,
    ! [A] : product(additive_identity,A,additive_identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),
    [] ).

cnf(164483320,plain,
    product(additive_identity,A,additive_identity),
    inference(rewrite,[status(thm)],[multiplicative_identity1]),
    [] ).

fof(distributivity3,plain,
    ! [A,B,C,D,E,F,G] :
      ( ~ product(A,B,C)
      | ~ product(D,B,E)
      | ~ sum(A,D,F)
      | ~ product(F,B,G)
      | sum(C,E,G) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),
    [] ).

cnf(164466712,plain,
    ( ~ product(A,B,C)
    | ~ product(D,B,E)
    | ~ sum(A,D,F)
    | ~ product(F,B,G)
    | sum(C,E,G) ),
    inference(rewrite,[status(thm)],[distributivity3]),
    [] ).

cnf(175418712,plain,
    ( ~ product(A,B,C)
    | ~ sum(A,additive_identity,D)
    | ~ product(D,B,E)
    | sum(C,additive_identity,E) ),
    inference(resolution,[status(thm)],[164466712,164483320]),
    [] ).

cnf(174994312,plain,
    ( ~ sum(A,additive_identity,B)
    | equalish(A,B) ),
    inference(resolution,[status(thm)],[164474768,164394096]),
    [] ).

fof(a_not_additive_identity,plain,
    ~ equalish(a,additive_identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),
    [] ).

cnf(164504504,plain,
    ~ equalish(a,additive_identity),
    inference(rewrite,[status(thm)],[a_not_additive_identity]),
    [] ).

cnf(175678880,plain,
    ~ sum(a,additive_identity,additive_identity),
    inference(resolution,[status(thm)],[174994312,164504504]),
    [] ).

cnf(176482696,plain,
    ( ~ product(A,B,a)
    | ~ sum(A,additive_identity,C)
    | ~ product(C,B,additive_identity) ),
    inference(resolution,[status(thm)],[175418712,175678880]),
    [] ).

fof(commutativity_of_addition,plain,
    ! [A,B,C] :
      ( ~ sum(A,B,C)
      | sum(B,A,C) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),
    [] ).

cnf(164429368,plain,
    ( ~ sum(A,B,C)
    | sum(B,A,C) ),
    inference(rewrite,[status(thm)],[commutativity_of_addition]),
    [] ).

cnf(174933136,plain,
    sum(additive_identity,A,A),
    inference(resolution,[status(thm)],[164429368,164394096]),
    [] ).

cnf(176487368,plain,
    ~ product(additive_identity,A,a),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[164483320,176482696,174933136]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[175180376,176487368]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 1 seconds
% START OF PROOF SEQUENCE
% fof(some_property,plain,(~equalish(A,additive_identity)|product(A,h(A,B),B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),[]).
% 
% cnf(164496600,plain,(~equalish(A,additive_identity)|product(A,h(A,B),B)),inference(rewrite,[status(thm)],[some_property]),[]).
% 
% fof(addition_is_well_defined,plain,(~sum(A,B,C)|~sum(A,B,D)|equalish(C,D)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),[]).
% 
% cnf(164474768,plain,(~sum(A,B,C)|~sum(A,B,D)|equalish(C,D)),inference(rewrite,[status(thm)],[addition_is_well_defined]),[]).
% 
% fof(additive_identity2,plain,(sum(A,additive_identity,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),[]).
% 
% cnf(164394096,plain,(sum(A,additive_identity,A)),inference(rewrite,[status(thm)],[additive_identity2]),[]).
% 
% cnf(175008040,plain,(equalish(A,A)),inference(resolution,[status(thm)],[164474768,164394096]),[]).
% 
% cnf(175180376,plain,(product(additive_identity,h(additive_identity,A),A)),inference(resolution,[status(thm)],[164496600,175008040]),[]).
% 
% fof(multiplicative_identity1,plain,(product(additive_identity,A,additive_identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),[]).
% 
% cnf(164483320,plain,(product(additive_identity,A,additive_identity)),inference(rewrite,[status(thm)],[multiplicative_identity1]),[]).
% 
% fof(distributivity3,plain,(~product(A,B,C)|~product(D,B,E)|~sum(A,D,F)|~product(F,B,G)|sum(C,E,G)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),[]).
% 
% cnf(164466712,plain,(~product(A,B,C)|~product(D,B,E)|~sum(A,D,F)|~product(F,B,G)|sum(C,E,G)),inference(rewrite,[status(thm)],[distributivity3]),[]).
% 
% cnf(175418712,plain,(~product(A,B,C)|~sum(A,additive_identity,D)|~product(D,B,E)|sum(C,additive_identity,E)),inference(resolution,[status(thm)],[164466712,164483320]),[]).
% 
% cnf(174994312,plain,(~sum(A,additive_identity,B)|equalish(A,B)),inference(resolution,[status(thm)],[164474768,164394096]),[]).
% 
% fof(a_not_additive_identity,plain,(~equalish(a,additive_identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),[]).
% 
% cnf(164504504,plain,(~equalish(a,additive_identity)),inference(rewrite,[status(thm)],[a_not_additive_identity]),[]).
% 
% cnf(175678880,plain,(~sum(a,additive_identity,additive_identity)),inference(resolution,[status(thm)],[174994312,164504504]),[]).
% 
% cnf(176482696,plain,(~product(A,B,a)|~sum(A,additive_identity,C)|~product(C,B,additive_identity)),inference(resolution,[status(thm)],[175418712,175678880]),[]).
% 
% fof(commutativity_of_addition,plain,(~sum(A,B,C)|sum(B,A,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/RNG/RNG038-2.tptp',unknown),[]).
% 
% cnf(164429368,plain,(~sum(A,B,C)|sum(B,A,C)),inference(rewrite,[status(thm)],[commutativity_of_addition]),[]).
% 
% cnf(174933136,plain,(sum(additive_identity,A,A)),inference(resolution,[status(thm)],[164429368,164394096]),[]).
% 
% cnf(176487368,plain,(~product(additive_identity,A,a)),inference(forward_subsumption_resolution__resolution,[status(thm)],[164483320,176482696,174933136]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[175180376,176487368]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------