TSTP Solution File: PUZ035-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : PUZ035-1 : TPTP v3.4.2. Released v2.0.0.
% 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 2.6.17-1.2142_FC4
% CPULimit : 600s
% DateTime : Wed May  6 15:12:11 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   29 (   7 unt;   0 def)
%            Number of atoms       :   56 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   53 (  26   ~;  27   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   6 con; 0-0 aty)
%            Number of variables   :   21 (   9 sgn   7   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_answer,plain,
    ! [A,B,C] :
      ( ~ response(A)
      | ~ isa(asked,B)
      | ~ isa(other,C) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),
    [] ).

cnf(173229488,plain,
    ( ~ response(A)
    | ~ isa(asked,B)
    | ~ isa(other,C) ),
    inference(rewrite,[status(thm)],[prove_answer]),
    [] ).

fof(everyone_a_knight_or_knave,plain,
    ! [A] :
      ( ~ person(A)
      | isa(A,knight)
      | isa(A,knave) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),
    [] ).

cnf(173101408,plain,
    ( ~ person(A)
    | isa(A,knight)
    | isa(A,knave) ),
    inference(rewrite,[status(thm)],[everyone_a_knight_or_knave]),
    [] ).

fof(asked_person,plain,
    person(asked),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),
    [] ).

cnf(173200136,plain,
    person(asked),
    inference(rewrite,[status(thm)],[asked_person]),
    [] ).

cnf(181044232,plain,
    ( isa(asked,knight)
    | isa(asked,knave) ),
    inference(resolution,[status(thm)],[173101408,173200136]),
    [] ).

fof(knaves_make_false_statements,plain,
    ! [A] :
      ( ~ isa(A,knave)
      | lies(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),
    [] ).

cnf(173118976,plain,
    ( ~ isa(A,knave)
    | lies(A) ),
    inference(rewrite,[status(thm)],[knaves_make_false_statements]),
    [] ).

cnf(181110928,plain,
    ( isa(asked,knight)
    | lies(asked) ),
    inference(resolution,[status(thm)],[181044232,173118976]),
    [] ).

cnf(183217168,plain,
    ( ~ response(A)
    | ~ isa(other,B)
    | lies(asked) ),
    inference(resolution,[status(thm)],[173229488,181110928]),
    [] ).

fof(statements_are_true_or_false,plain,
    ! [A] :
      ( ~ tell_the_truth(A)
      | ~ lies(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),
    [] ).

cnf(173129648,plain,
    ( ~ tell_the_truth(A)
    | ~ lies(A) ),
    inference(rewrite,[status(thm)],[statements_are_true_or_false]),
    [] ).

fof(knights_make_true_statements,plain,
    ! [A] :
      ( ~ isa(A,knight)
      | tell_the_truth(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),
    [] ).

cnf(173113176,plain,
    ( ~ isa(A,knight)
    | tell_the_truth(A) ),
    inference(rewrite,[status(thm)],[knights_make_true_statements]),
    [] ).

cnf(181052624,plain,
    ( ~ lies(A)
    | ~ isa(A,knight) ),
    inference(resolution,[status(thm)],[173129648,173113176]),
    [] ).

cnf(181116400,plain,
    ( isa(asked,knave)
    | ~ lies(asked) ),
    inference(resolution,[status(thm)],[181044232,181052624]),
    [] ).

cnf(183269960,plain,
    ( ~ response(A)
    | ~ isa(other,B) ),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[183217168,173229488,181116400]),
    [] ).

fof(other_person,plain,
    person(other),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),
    [] ).

cnf(173204200,plain,
    person(other),
    inference(rewrite,[status(thm)],[other_person]),
    [] ).

cnf(181070888,plain,
    ( isa(other,knight)
    | isa(other,knave) ),
    inference(resolution,[status(thm)],[173101408,173204200]),
    [] ).

cnf(181186512,plain,
    ( isa(other,knight)
    | lies(other) ),
    inference(resolution,[status(thm)],[181070888,173118976]),
    [] ).

cnf(183381832,plain,
    ( ~ response(A)
    | lies(other) ),
    inference(resolution,[status(thm)],[183269960,181186512]),
    [] ).

cnf(181200072,plain,
    ( isa(other,knave)
    | ~ lies(other) ),
    inference(resolution,[status(thm)],[181070888,181052624]),
    [] ).

cnf(183412712,plain,
    ~ response(A),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[183381832,183269960,181200072]),
    [] ).

fof(two_answers,plain,
    ( response(yes)
    | response(no) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),
    [] ).

cnf(173195312,plain,
    ( response(yes)
    | response(no) ),
    inference(rewrite,[status(thm)],[two_answers]),
    [] ).

cnf(183487944,plain,
    response(no),
    inference(resolution,[status(thm)],[183412712,173195312]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[183487944,183412712]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(prove_answer,plain,(~response(A)|~isa(asked,B)|~isa(other,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),[]).
% 
% cnf(173229488,plain,(~response(A)|~isa(asked,B)|~isa(other,C)),inference(rewrite,[status(thm)],[prove_answer]),[]).
% 
% fof(everyone_a_knight_or_knave,plain,(~person(A)|isa(A,knight)|isa(A,knave)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),[]).
% 
% cnf(173101408,plain,(~person(A)|isa(A,knight)|isa(A,knave)),inference(rewrite,[status(thm)],[everyone_a_knight_or_knave]),[]).
% 
% fof(asked_person,plain,(person(asked)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),[]).
% 
% cnf(173200136,plain,(person(asked)),inference(rewrite,[status(thm)],[asked_person]),[]).
% 
% cnf(181044232,plain,(isa(asked,knight)|isa(asked,knave)),inference(resolution,[status(thm)],[173101408,173200136]),[]).
% 
% fof(knaves_make_false_statements,plain,(~isa(A,knave)|lies(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),[]).
% 
% cnf(173118976,plain,(~isa(A,knave)|lies(A)),inference(rewrite,[status(thm)],[knaves_make_false_statements]),[]).
% 
% cnf(181110928,plain,(isa(asked,knight)|lies(asked)),inference(resolution,[status(thm)],[181044232,173118976]),[]).
% 
% cnf(183217168,plain,(~response(A)|~isa(other,B)|lies(asked)),inference(resolution,[status(thm)],[173229488,181110928]),[]).
% 
% fof(statements_are_true_or_false,plain,(~tell_the_truth(A)|~lies(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),[]).
% 
% cnf(173129648,plain,(~tell_the_truth(A)|~lies(A)),inference(rewrite,[status(thm)],[statements_are_true_or_false]),[]).
% 
% fof(knights_make_true_statements,plain,(~isa(A,knight)|tell_the_truth(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),[]).
% 
% cnf(173113176,plain,(~isa(A,knight)|tell_the_truth(A)),inference(rewrite,[status(thm)],[knights_make_true_statements]),[]).
% 
% cnf(181052624,plain,(~lies(A)|~isa(A,knight)),inference(resolution,[status(thm)],[173129648,173113176]),[]).
% 
% cnf(181116400,plain,(isa(asked,knave)|~lies(asked)),inference(resolution,[status(thm)],[181044232,181052624]),[]).
% 
% cnf(183269960,plain,(~response(A)|~isa(other,B)),inference(forward_subsumption_resolution__resolution,[status(thm)],[183217168,173229488,181116400]),[]).
% 
% fof(other_person,plain,(person(other)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),[]).
% 
% cnf(173204200,plain,(person(other)),inference(rewrite,[status(thm)],[other_person]),[]).
% 
% cnf(181070888,plain,(isa(other,knight)|isa(other,knave)),inference(resolution,[status(thm)],[173101408,173204200]),[]).
% 
% cnf(181186512,plain,(isa(other,knight)|lies(other)),inference(resolution,[status(thm)],[181070888,173118976]),[]).
% 
% cnf(183381832,plain,(~response(A)|lies(other)),inference(resolution,[status(thm)],[183269960,181186512]),[]).
% 
% cnf(181200072,plain,(isa(other,knave)|~lies(other)),inference(resolution,[status(thm)],[181070888,181052624]),[]).
% 
% cnf(183412712,plain,(~response(A)),inference(forward_subsumption_resolution__resolution,[status(thm)],[183381832,183269960,181200072]),[]).
% 
% fof(two_answers,plain,(response(yes)|response(no)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/PUZ/PUZ035-1.tptp',unknown),[]).
% 
% cnf(173195312,plain,(response(yes)|response(no)),inference(rewrite,[status(thm)],[two_answers]),[]).
% 
% cnf(183487944,plain,(response(no)),inference(resolution,[status(thm)],[183412712,173195312]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[183487944,183412712]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------