TSTP Solution File: CAT013-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : CAT013-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art10.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 11:29:40 EDT 2009

% Result   : Unsatisfiable 0.6s
% Output   : Refutation 0.6s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   16 (  10 unt;   0 def)
%            Number of atoms       :   26 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   22 (  12   ~;  10   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-1 aty)
%            Number of variables   :   22 (   1 sgn   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(identity1,plain,
    ! [A,B] :
      ( ~ defined(A,B)
      | ~ identity_map(A)
      | product(A,B,B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),
    [] ).

cnf(159918488,plain,
    ( ~ defined(A,B)
    | ~ identity_map(A)
    | product(A,B,B) ),
    inference(rewrite,[status(thm)],[identity1]),
    [] ).

fof(mapping_from_x_to_its_domain,plain,
    ! [A] : defined(A,domain(A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),
    [] ).

cnf(159895720,plain,
    defined(A,domain(A)),
    inference(rewrite,[status(thm)],[mapping_from_x_to_its_domain]),
    [] ).

cnf(168483088,plain,
    ( ~ identity_map(A)
    | product(A,domain(A),domain(A)) ),
    inference(resolution,[status(thm)],[159918488,159895720]),
    [] ).

fof(codomain_is_an_identity_map,plain,
    ! [A] : identity_map(codomain(A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),
    [] ).

cnf(159891176,plain,
    identity_map(codomain(A)),
    inference(rewrite,[status(thm)],[codomain_is_an_identity_map]),
    [] ).

cnf(168597032,plain,
    product(codomain(A),domain(codomain(A)),domain(codomain(A))),
    inference(resolution,[status(thm)],[168483088,159891176]),
    [] ).

fof(composition_is_well_defined,plain,
    ! [A,B,C,D] :
      ( ~ product(A,B,C)
      | ~ product(A,B,D)
      | $equal(D,C) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),
    [] ).

cnf(159826696,plain,
    ( ~ product(A,B,C)
    | ~ product(A,B,D)
    | $equal(D,C) ),
    inference(rewrite,[status(thm)],[composition_is_well_defined]),
    [] ).

fof(product_on_domain,plain,
    ! [A] : product(A,domain(A),A),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),
    [] ).

cnf(159908240,plain,
    product(A,domain(A),A),
    inference(rewrite,[status(thm)],[product_on_domain]),
    [] ).

cnf(167926296,plain,
    ( ~ product(A,domain(A),B)
    | $equal(B,A) ),
    inference(resolution,[status(thm)],[159826696,159908240]),
    [] ).

fof(prove_domain_of_codomain_is_codomain,plain,
    ~ $equal(domain(codomain(a)),codomain(a)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),
    [] ).

cnf(159935168,plain,
    ~ $equal(domain(codomain(a)),codomain(a)),
    inference(rewrite,[status(thm)],[prove_domain_of_codomain_is_codomain]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[168597032,167926296,159935168]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 1 seconds
% START OF PROOF SEQUENCE
% fof(identity1,plain,(~defined(A,B)|~identity_map(A)|product(A,B,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),[]).
% 
% cnf(159918488,plain,(~defined(A,B)|~identity_map(A)|product(A,B,B)),inference(rewrite,[status(thm)],[identity1]),[]).
% 
% fof(mapping_from_x_to_its_domain,plain,(defined(A,domain(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),[]).
% 
% cnf(159895720,plain,(defined(A,domain(A))),inference(rewrite,[status(thm)],[mapping_from_x_to_its_domain]),[]).
% 
% cnf(168483088,plain,(~identity_map(A)|product(A,domain(A),domain(A))),inference(resolution,[status(thm)],[159918488,159895720]),[]).
% 
% fof(codomain_is_an_identity_map,plain,(identity_map(codomain(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),[]).
% 
% cnf(159891176,plain,(identity_map(codomain(A))),inference(rewrite,[status(thm)],[codomain_is_an_identity_map]),[]).
% 
% cnf(168597032,plain,(product(codomain(A),domain(codomain(A)),domain(codomain(A)))),inference(resolution,[status(thm)],[168483088,159891176]),[]).
% 
% fof(composition_is_well_defined,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),[]).
% 
% cnf(159826696,plain,(~product(A,B,C)|~product(A,B,D)|$equal(D,C)),inference(rewrite,[status(thm)],[composition_is_well_defined]),[]).
% 
% fof(product_on_domain,plain,(product(A,domain(A),A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),[]).
% 
% cnf(159908240,plain,(product(A,domain(A),A)),inference(rewrite,[status(thm)],[product_on_domain]),[]).
% 
% cnf(167926296,plain,(~product(A,domain(A),B)|$equal(B,A)),inference(resolution,[status(thm)],[159826696,159908240]),[]).
% 
% fof(prove_domain_of_codomain_is_codomain,plain,(~$equal(domain(codomain(a)),codomain(a))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/CAT/CAT013-1.tptp',unknown),[]).
% 
% cnf(159935168,plain,(~$equal(domain(codomain(a)),codomain(a))),inference(rewrite,[status(thm)],[prove_domain_of_codomain_is_codomain]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[168597032,167926296,159935168]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------