TSTP Solution File: LAT039-2 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : LAT039-2 : TPTP v8.1.0. Released v2.4.0.
% 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 : Sun Jul 17 05:59:04 EDT 2022
% Result : Unsatisfiable 0.11s 0.34s
% Output : CNFRefutation 0.11s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 6
% Syntax : Number of clauses : 13 ( 8 unt; 0 nHn; 10 RR)
% Number of literals : 20 ( 19 equ; 9 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 : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 14 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(dist_join,hypothesis,
join(X,meet(Y,Z)) = meet(join(X,Y),join(X,Z)) ).
cnf(rhs,negated_conjecture,
join(xx,meet(yy,zz)) != meet(join(xx,yy),join(xx,zz)) ).
cnf(refute_0_0,plain,
X0 = X0,
introduced(tautology,[refl,[$fot(X0)]]) ).
cnf(refute_0_1,plain,
( X0 != X0
| X0 != Y0
| Y0 = X0 ),
introduced(tautology,[equality,[$cnf( $equal(X0,X0) ),[0],$fot(Y0)]]) ).
cnf(refute_0_2,plain,
( X0 != Y0
| Y0 = X0 ),
inference(resolve,[$cnf( $equal(X0,X0) )],[refute_0_0,refute_0_1]) ).
cnf(refute_0_3,plain,
( join(X,meet(Y,Z)) != meet(join(X,Y),join(X,Z))
| meet(join(X,Y),join(X,Z)) = join(X,meet(Y,Z)) ),
inference(subst,[],[refute_0_2:[bind(X0,$fot(join(X,meet(Y,Z)))),bind(Y0,$fot(meet(join(X,Y),join(X,Z))))]]) ).
cnf(refute_0_4,plain,
meet(join(X,Y),join(X,Z)) = join(X,meet(Y,Z)),
inference(resolve,[$cnf( $equal(join(X,meet(Y,Z)),meet(join(X,Y),join(X,Z))) )],[dist_join,refute_0_3]) ).
cnf(refute_0_5,plain,
meet(join(xx,yy),join(xx,zz)) = join(xx,meet(yy,zz)),
inference(subst,[],[refute_0_4:[bind(X,$fot(xx)),bind(Y,$fot(yy)),bind(Z,$fot(zz))]]) ).
cnf(refute_0_6,plain,
( join(xx,meet(yy,zz)) != join(xx,meet(yy,zz))
| meet(join(xx,yy),join(xx,zz)) != join(xx,meet(yy,zz))
| join(xx,meet(yy,zz)) = meet(join(xx,yy),join(xx,zz)) ),
introduced(tautology,[equality,[$cnf( ~ $equal(join(xx,meet(yy,zz)),meet(join(xx,yy),join(xx,zz))) ),[1],$fot(join(xx,meet(yy,zz)))]]) ).
cnf(refute_0_7,plain,
( join(xx,meet(yy,zz)) != join(xx,meet(yy,zz))
| join(xx,meet(yy,zz)) = meet(join(xx,yy),join(xx,zz)) ),
inference(resolve,[$cnf( $equal(meet(join(xx,yy),join(xx,zz)),join(xx,meet(yy,zz))) )],[refute_0_5,refute_0_6]) ).
cnf(refute_0_8,plain,
join(xx,meet(yy,zz)) != join(xx,meet(yy,zz)),
inference(resolve,[$cnf( $equal(join(xx,meet(yy,zz)),meet(join(xx,yy),join(xx,zz))) )],[refute_0_7,rhs]) ).
cnf(refute_0_9,plain,
join(xx,meet(yy,zz)) = join(xx,meet(yy,zz)),
introduced(tautology,[refl,[$fot(join(xx,meet(yy,zz)))]]) ).
cnf(refute_0_10,plain,
$false,
inference(resolve,[$cnf( $equal(join(xx,meet(yy,zz)),join(xx,meet(yy,zz))) )],[refute_0_9,refute_0_8]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11 % Problem : LAT039-2 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.12 % 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 : Thu Jun 30 14:50:53 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
%------------------------------------------------------------------------------