TSTP Solution File: GRP141-1 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : GRP141-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n007.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 : Sat Jul 16 10:37:00 EDT 2022
% Result : Unsatisfiable 0.13s 0.37s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 20
% Syntax : Number of clauses : 51 ( 27 unt; 0 nHn; 43 RR)
% Number of literals : 87 ( 86 equ; 39 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 3 ( 1 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 : 36 ( 2 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(symmetry_of_glb,axiom,
greatest_lower_bound(X,Y) = greatest_lower_bound(Y,X) ).
cnf(symmetry_of_lub,axiom,
least_upper_bound(X,Y) = least_upper_bound(Y,X) ).
cnf(associativity_of_glb,axiom,
greatest_lower_bound(X,greatest_lower_bound(Y,Z)) = greatest_lower_bound(greatest_lower_bound(X,Y),Z) ).
cnf(glb_absorbtion,axiom,
greatest_lower_bound(X,least_upper_bound(X,Y)) = X ).
cnf(ax_glb1d_1,hypothesis,
least_upper_bound(a,c) = a ).
cnf(ax_glb1d_2,hypothesis,
least_upper_bound(b,c) = b ).
cnf(prove_ax_glb1d,negated_conjecture,
greatest_lower_bound(greatest_lower_bound(a,b),c) != c ).
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( $equal(X0,X0) )],[refute_0_0,refute_0_1]) ).
cnf(refute_0_3,plain,
( greatest_lower_bound(X,greatest_lower_bound(Y,Z)) != greatest_lower_bound(greatest_lower_bound(X,Y),Z)
| greatest_lower_bound(greatest_lower_bound(X,Y),Z) = greatest_lower_bound(X,greatest_lower_bound(Y,Z)) ),
inference(subst,[],[refute_0_2:[bind(X0,$fot(greatest_lower_bound(X,greatest_lower_bound(Y,Z)))),bind(Y0,$fot(greatest_lower_bound(greatest_lower_bound(X,Y),Z)))]]) ).
cnf(refute_0_4,plain,
greatest_lower_bound(greatest_lower_bound(X,Y),Z) = greatest_lower_bound(X,greatest_lower_bound(Y,Z)),
inference(resolve,[$cnf( $equal(greatest_lower_bound(X,greatest_lower_bound(Y,Z)),greatest_lower_bound(greatest_lower_bound(X,Y),Z)) )],[associativity_of_glb,refute_0_3]) ).
cnf(refute_0_5,plain,
greatest_lower_bound(greatest_lower_bound(a,b),c) = greatest_lower_bound(a,greatest_lower_bound(b,c)),
inference(subst,[],[refute_0_4:[bind(X,$fot(a)),bind(Y,$fot(b)),bind(Z,$fot(c))]]) ).
cnf(refute_0_6,plain,
( greatest_lower_bound(a,greatest_lower_bound(b,c)) != c
| greatest_lower_bound(greatest_lower_bound(a,b),c) != greatest_lower_bound(a,greatest_lower_bound(b,c))
| greatest_lower_bound(greatest_lower_bound(a,b),c) = c ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(greatest_lower_bound(a,b),c),greatest_lower_bound(a,greatest_lower_bound(b,c))) ),[1],$fot(c)]]) ).
cnf(refute_0_7,plain,
( greatest_lower_bound(a,greatest_lower_bound(b,c)) != c
| greatest_lower_bound(greatest_lower_bound(a,b),c) = c ),
inference(resolve,[$cnf( $equal(greatest_lower_bound(greatest_lower_bound(a,b),c),greatest_lower_bound(a,greatest_lower_bound(b,c))) )],[refute_0_5,refute_0_6]) ).
cnf(refute_0_8,plain,
greatest_lower_bound(a,greatest_lower_bound(b,c)) != c,
inference(resolve,[$cnf( $equal(greatest_lower_bound(greatest_lower_bound(a,b),c),c) )],[refute_0_7,prove_ax_glb1d]) ).
cnf(refute_0_9,plain,
( greatest_lower_bound(X,least_upper_bound(X,Y)) != X
| least_upper_bound(X,Y) != least_upper_bound(Y,X)
| greatest_lower_bound(X,least_upper_bound(Y,X)) = X ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(X,least_upper_bound(X,Y)),X) ),[0,1],$fot(least_upper_bound(Y,X))]]) ).
cnf(refute_0_10,plain,
( greatest_lower_bound(X,least_upper_bound(X,Y)) != X
| greatest_lower_bound(X,least_upper_bound(Y,X)) = X ),
inference(resolve,[$cnf( $equal(least_upper_bound(X,Y),least_upper_bound(Y,X)) )],[symmetry_of_lub,refute_0_9]) ).
cnf(refute_0_11,plain,
greatest_lower_bound(X,least_upper_bound(Y,X)) = X,
inference(resolve,[$cnf( $equal(greatest_lower_bound(X,least_upper_bound(X,Y)),X) )],[glb_absorbtion,refute_0_10]) ).
cnf(refute_0_12,plain,
greatest_lower_bound(c,least_upper_bound(a,c)) = c,
inference(subst,[],[refute_0_11:[bind(X,$fot(c)),bind(Y,$fot(a))]]) ).
cnf(refute_0_13,plain,
( greatest_lower_bound(c,least_upper_bound(a,c)) != c
| least_upper_bound(a,c) != a
| greatest_lower_bound(c,a) = c ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(c,least_upper_bound(a,c)),c) ),[0,1],$fot(a)]]) ).
cnf(refute_0_14,plain,
( greatest_lower_bound(c,least_upper_bound(a,c)) != c
| greatest_lower_bound(c,a) = c ),
inference(resolve,[$cnf( $equal(least_upper_bound(a,c),a) )],[ax_glb1d_1,refute_0_13]) ).
cnf(refute_0_15,plain,
greatest_lower_bound(c,a) = c,
inference(resolve,[$cnf( $equal(greatest_lower_bound(c,least_upper_bound(a,c)),c) )],[refute_0_12,refute_0_14]) ).
cnf(refute_0_16,plain,
( greatest_lower_bound(X,Y) != greatest_lower_bound(Y,X)
| greatest_lower_bound(Y,X) = greatest_lower_bound(X,Y) ),
inference(subst,[],[refute_0_2:[bind(X0,$fot(greatest_lower_bound(X,Y))),bind(Y0,$fot(greatest_lower_bound(Y,X)))]]) ).
cnf(refute_0_17,plain,
greatest_lower_bound(Y,X) = greatest_lower_bound(X,Y),
inference(resolve,[$cnf( $equal(greatest_lower_bound(X,Y),greatest_lower_bound(Y,X)) )],[symmetry_of_glb,refute_0_16]) ).
cnf(refute_0_18,plain,
greatest_lower_bound(c,a) = greatest_lower_bound(a,c),
inference(subst,[],[refute_0_17:[bind(X,$fot(a)),bind(Y,$fot(c))]]) ).
cnf(refute_0_19,plain,
( greatest_lower_bound(c,a) != c
| greatest_lower_bound(c,a) != greatest_lower_bound(a,c)
| greatest_lower_bound(a,c) = c ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(c,a),c) ),[0],$fot(greatest_lower_bound(a,c))]]) ).
cnf(refute_0_20,plain,
( greatest_lower_bound(c,a) != c
| greatest_lower_bound(a,c) = c ),
inference(resolve,[$cnf( $equal(greatest_lower_bound(c,a),greatest_lower_bound(a,c)) )],[refute_0_18,refute_0_19]) ).
cnf(refute_0_21,plain,
greatest_lower_bound(a,c) = c,
inference(resolve,[$cnf( $equal(greatest_lower_bound(c,a),c) )],[refute_0_15,refute_0_20]) ).
cnf(refute_0_22,plain,
greatest_lower_bound(c,least_upper_bound(b,c)) = c,
inference(subst,[],[refute_0_11:[bind(X,$fot(c)),bind(Y,$fot(b))]]) ).
cnf(refute_0_23,plain,
( greatest_lower_bound(c,least_upper_bound(b,c)) != c
| least_upper_bound(b,c) != b
| greatest_lower_bound(c,b) = c ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(c,least_upper_bound(b,c)),c) ),[0,1],$fot(b)]]) ).
cnf(refute_0_24,plain,
( greatest_lower_bound(c,least_upper_bound(b,c)) != c
| greatest_lower_bound(c,b) = c ),
inference(resolve,[$cnf( $equal(least_upper_bound(b,c),b) )],[ax_glb1d_2,refute_0_23]) ).
cnf(refute_0_25,plain,
greatest_lower_bound(c,b) = c,
inference(resolve,[$cnf( $equal(greatest_lower_bound(c,least_upper_bound(b,c)),c) )],[refute_0_22,refute_0_24]) ).
cnf(refute_0_26,plain,
greatest_lower_bound(c,b) = greatest_lower_bound(b,c),
inference(subst,[],[refute_0_17:[bind(X,$fot(b)),bind(Y,$fot(c))]]) ).
cnf(refute_0_27,plain,
( greatest_lower_bound(c,b) != c
| greatest_lower_bound(c,b) != greatest_lower_bound(b,c)
| greatest_lower_bound(b,c) = c ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(c,b),c) ),[0],$fot(greatest_lower_bound(b,c))]]) ).
cnf(refute_0_28,plain,
( greatest_lower_bound(c,b) != c
| greatest_lower_bound(b,c) = c ),
inference(resolve,[$cnf( $equal(greatest_lower_bound(c,b),greatest_lower_bound(b,c)) )],[refute_0_26,refute_0_27]) ).
cnf(refute_0_29,plain,
greatest_lower_bound(b,c) = c,
inference(resolve,[$cnf( $equal(greatest_lower_bound(c,b),c) )],[refute_0_25,refute_0_28]) ).
cnf(refute_0_30,plain,
greatest_lower_bound(a,greatest_lower_bound(b,c)) = greatest_lower_bound(a,greatest_lower_bound(b,c)),
introduced(tautology,[refl,[$fot(greatest_lower_bound(a,greatest_lower_bound(b,c)))]]) ).
cnf(refute_0_31,plain,
( greatest_lower_bound(a,greatest_lower_bound(b,c)) != greatest_lower_bound(a,greatest_lower_bound(b,c))
| greatest_lower_bound(b,c) != c
| greatest_lower_bound(a,greatest_lower_bound(b,c)) = greatest_lower_bound(a,c) ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(a,greatest_lower_bound(b,c)),greatest_lower_bound(a,greatest_lower_bound(b,c))) ),[1,1],$fot(c)]]) ).
cnf(refute_0_32,plain,
( greatest_lower_bound(b,c) != c
| greatest_lower_bound(a,greatest_lower_bound(b,c)) = greatest_lower_bound(a,c) ),
inference(resolve,[$cnf( $equal(greatest_lower_bound(a,greatest_lower_bound(b,c)),greatest_lower_bound(a,greatest_lower_bound(b,c))) )],[refute_0_30,refute_0_31]) ).
cnf(refute_0_33,plain,
greatest_lower_bound(a,greatest_lower_bound(b,c)) = greatest_lower_bound(a,c),
inference(resolve,[$cnf( $equal(greatest_lower_bound(b,c),c) )],[refute_0_29,refute_0_32]) ).
cnf(refute_0_34,plain,
( Y0 != X0
| Y0 != Z0
| X0 = Z0 ),
introduced(tautology,[equality,[$cnf( $equal(Y0,Z0) ),[0],$fot(X0)]]) ).
cnf(refute_0_35,plain,
( X0 != Y0
| Y0 != Z0
| X0 = Z0 ),
inference(resolve,[$cnf( $equal(Y0,X0) )],[refute_0_2,refute_0_34]) ).
cnf(refute_0_36,plain,
( greatest_lower_bound(a,c) != c
| greatest_lower_bound(a,greatest_lower_bound(b,c)) != greatest_lower_bound(a,c)
| greatest_lower_bound(a,greatest_lower_bound(b,c)) = c ),
inference(subst,[],[refute_0_35:[bind(X0,$fot(greatest_lower_bound(a,greatest_lower_bound(b,c)))),bind(Y0,$fot(greatest_lower_bound(a,c))),bind(Z0,$fot(c))]]) ).
cnf(refute_0_37,plain,
( greatest_lower_bound(a,c) != c
| greatest_lower_bound(a,greatest_lower_bound(b,c)) = c ),
inference(resolve,[$cnf( $equal(greatest_lower_bound(a,greatest_lower_bound(b,c)),greatest_lower_bound(a,c)) )],[refute_0_33,refute_0_36]) ).
cnf(refute_0_38,plain,
greatest_lower_bound(a,greatest_lower_bound(b,c)) = c,
inference(resolve,[$cnf( $equal(greatest_lower_bound(a,c),c) )],[refute_0_21,refute_0_37]) ).
cnf(refute_0_39,plain,
( c != c
| greatest_lower_bound(a,greatest_lower_bound(b,c)) != c
| greatest_lower_bound(a,greatest_lower_bound(b,c)) = c ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(a,greatest_lower_bound(b,c)),c) ),[0,1,1],$fot(c)]]) ).
cnf(refute_0_40,plain,
( c != c
| greatest_lower_bound(a,greatest_lower_bound(b,c)) = c ),
inference(resolve,[$cnf( $equal(greatest_lower_bound(a,greatest_lower_bound(b,c)),c) )],[refute_0_38,refute_0_39]) ).
cnf(refute_0_41,plain,
c != c,
inference(resolve,[$cnf( $equal(greatest_lower_bound(a,greatest_lower_bound(b,c)),c) )],[refute_0_40,refute_0_8]) ).
cnf(refute_0_42,plain,
c = c,
introduced(tautology,[refl,[$fot(c)]]) ).
cnf(refute_0_43,plain,
$false,
inference(resolve,[$cnf( $equal(c,c) )],[refute_0_42,refute_0_41]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : GRP141-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.07/0.13 % Command : metis --show proof --show saturation %s
% 0.13/0.35 % Computer : n007.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 600
% 0.13/0.35 % DateTime : Tue Jun 14 01:50:39 EDT 2022
% 0.13/0.35 % CPUTime :
% 0.13/0.35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.13/0.37 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.37
% 0.13/0.37 % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.13/0.37
%------------------------------------------------------------------------------