TSTP Solution File: BOO011-2 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : BOO011-2 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n021.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 : Thu Jul 14 23:44:34 EDT 2022
% Result : Unsatisfiable 0.12s 0.34s
% Output : CNFRefutation 0.12s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of clauses : 9 ( 7 unt; 0 nHn; 7 RR)
% Number of literals : 12 ( 11 equ; 4 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of predicates : 3 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 2 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(additive_inverse1,axiom,
add(X,inverse(X)) = multiplicative_identity ).
cnf(additive_id2,axiom,
add(additive_identity,X) = X ).
cnf(prove_inverse_of_1_is_0,negated_conjecture,
inverse(additive_identity) != multiplicative_identity ).
cnf(refute_0_0,plain,
add(additive_identity,inverse(additive_identity)) = multiplicative_identity,
inference(subst,[],[additive_inverse1:[bind(X,$fot(additive_identity))]]) ).
cnf(refute_0_1,plain,
add(additive_identity,inverse(additive_identity)) = inverse(additive_identity),
inference(subst,[],[additive_id2:[bind(X,$fot(inverse(additive_identity)))]]) ).
cnf(refute_0_2,plain,
( add(additive_identity,inverse(additive_identity)) != inverse(additive_identity)
| add(additive_identity,inverse(additive_identity)) != multiplicative_identity
| inverse(additive_identity) = multiplicative_identity ),
introduced(tautology,[equality,[$cnf( $equal(add(additive_identity,inverse(additive_identity)),multiplicative_identity) ),[0],$fot(inverse(additive_identity))]]) ).
cnf(refute_0_3,plain,
( add(additive_identity,inverse(additive_identity)) != multiplicative_identity
| inverse(additive_identity) = multiplicative_identity ),
inference(resolve,[$cnf( $equal(add(additive_identity,inverse(additive_identity)),inverse(additive_identity)) )],[refute_0_1,refute_0_2]) ).
cnf(refute_0_4,plain,
inverse(additive_identity) = multiplicative_identity,
inference(resolve,[$cnf( $equal(add(additive_identity,inverse(additive_identity)),multiplicative_identity) )],[refute_0_0,refute_0_3]) ).
cnf(refute_0_5,plain,
$false,
inference(resolve,[$cnf( $equal(inverse(additive_identity),multiplicative_identity) )],[refute_0_4,prove_inverse_of_1_is_0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12 % Problem : BOO011-2 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.06/0.12 % Command : metis --show proof --show saturation %s
% 0.12/0.33 % Computer : n021.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 600
% 0.12/0.33 % DateTime : Wed Jun 1 22:34:16 EDT 2022
% 0.12/0.33 % CPUTime :
% 0.12/0.34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.34 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.34
% 0.12/0.34 % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.12/0.35
%------------------------------------------------------------------------------