TSTP Solution File: PUZ035-6 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : PUZ035-6 : TPTP v8.1.0. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n029.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 600s
% DateTime : Mon Jul 18 18:20:52 EDT 2022
% Result : Unsatisfiable 0.11s 0.34s
% Output : CNFRefutation 0.11s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 2
% Syntax : Number of clauses : 17 ( 5 unt; 4 nHn; 16 RR)
% Number of literals : 29 ( 0 equ; 13 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-1 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 8 ( 7 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(everyone_a_knight_or_knave,axiom,
( truth(isa(P,knight))
| truth(isa(P,knave)) ) ).
cnf(query,negated_conjecture,
( ~ truth(isa(asked,X))
| ~ truth(isa(other,Y)) ) ).
cnf(refute_0_0,plain,
( truth(isa(asked,knave))
| truth(isa(asked,knight)) ),
inference(subst,[],[everyone_a_knight_or_knave:[bind(P,$fot(asked))]]) ).
cnf(refute_0_1,plain,
( ~ truth(isa(asked,X))
| ~ truth(isa(other,knave)) ),
inference(subst,[],[query:[bind(Y,$fot(knave))]]) ).
cnf(refute_0_2,plain,
( truth(isa(other,knave))
| truth(isa(other,knight)) ),
inference(subst,[],[everyone_a_knight_or_knave:[bind(P,$fot(other))]]) ).
cnf(refute_0_3,plain,
( ~ truth(isa(asked,X_10))
| ~ truth(isa(other,knight)) ),
inference(subst,[],[query:[bind(X,$fot(X_10)),bind(Y,$fot(knight))]]) ).
cnf(refute_0_4,plain,
( ~ truth(isa(asked,X_10))
| truth(isa(other,knave)) ),
inference(resolve,[$cnf( truth(isa(other,knight)) )],[refute_0_2,refute_0_3]) ).
cnf(refute_0_5,plain,
( ~ truth(isa(asked,knight))
| truth(isa(other,knave)) ),
inference(subst,[],[refute_0_4:[bind(X_10,$fot(knight))]]) ).
cnf(refute_0_6,plain,
( truth(isa(asked,knave))
| truth(isa(other,knave)) ),
inference(resolve,[$cnf( truth(isa(asked,knight)) )],[refute_0_0,refute_0_5]) ).
cnf(refute_0_7,plain,
( ~ truth(isa(asked,X))
| truth(isa(asked,knave)) ),
inference(resolve,[$cnf( truth(isa(other,knave)) )],[refute_0_6,refute_0_1]) ).
cnf(refute_0_8,plain,
( ~ truth(isa(asked,knight))
| truth(isa(asked,knave)) ),
inference(subst,[],[refute_0_7:[bind(X,$fot(knight))]]) ).
cnf(refute_0_9,plain,
truth(isa(asked,knave)),
inference(resolve,[$cnf( truth(isa(asked,knight)) )],[refute_0_0,refute_0_8]) ).
cnf(refute_0_10,plain,
( ~ truth(isa(asked,knave))
| truth(isa(other,knave)) ),
inference(subst,[],[refute_0_4:[bind(X_10,$fot(knave))]]) ).
cnf(refute_0_11,plain,
truth(isa(other,knave)),
inference(resolve,[$cnf( truth(isa(asked,knave)) )],[refute_0_9,refute_0_10]) ).
cnf(refute_0_12,plain,
~ truth(isa(asked,X)),
inference(resolve,[$cnf( truth(isa(other,knave)) )],[refute_0_11,refute_0_1]) ).
cnf(refute_0_13,plain,
~ truth(isa(asked,knave)),
inference(subst,[],[refute_0_12:[bind(X,$fot(knave))]]) ).
cnf(refute_0_14,plain,
$false,
inference(resolve,[$cnf( truth(isa(asked,knave)) )],[refute_0_9,refute_0_13]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11 % Problem : PUZ035-6 : TPTP v8.1.0. Released v2.0.0.
% 0.03/0.12 % Command : metis --show proof --show saturation %s
% 0.11/0.33 % Computer : n029.cluster.edu
% 0.11/0.33 % Model : x86_64 x86_64
% 0.11/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33 % Memory : 8042.1875MB
% 0.11/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33 % CPULimit : 300
% 0.11/0.33 % WCLimit : 600
% 0.11/0.33 % DateTime : Sun May 29 00:48:13 EDT 2022
% 0.11/0.33 % CPUTime :
% 0.11/0.33 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.11/0.34 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.34
% 0.11/0.34 % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.11/0.34
%------------------------------------------------------------------------------