TSTP Solution File: SEU154+2 by Drodi---3.6.0
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%------------------------------------------------------------------------------
% File : Drodi---3.6.0
% Problem : SEU154+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% Computer : n003.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 : 300s
% DateTime : Tue Apr 30 20:41:14 EDT 2024
% Result : Theorem 0.21s 0.41s
% Output : CNFRefutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 6
% Syntax : Number of formulae : 32 ( 8 unt; 0 def)
% Number of atoms : 77 ( 19 equ)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 78 ( 33 ~; 30 |; 9 &)
% ( 2 <=>; 4 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 5 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 60 ( 58 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f6,axiom,
! [A,B] :
( A = B
<=> ( subset(A,B)
& subset(B,A) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f33,conjecture,
! [A,B] :
( ~ in(A,B)
=> disjoint(singleton(A),B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f34,negated_conjecture,
~ ! [A,B] :
( ~ in(A,B)
=> disjoint(singleton(A),B) ),
inference(negated_conjecture,[status(cth)],[f33]) ).
fof(f37,lemma,
! [A,B,C] :
( subset(A,B)
=> ( in(C,A)
| subset(A,set_difference(B,singleton(C))) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f42,axiom,
! [A,B] :
( disjoint(A,B)
=> disjoint(B,A) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f56,lemma,
! [A,B] : subset(set_difference(A,B),A),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f74,lemma,
! [A,B] :
( disjoint(A,B)
<=> set_difference(A,B) = A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f86,plain,
! [A,B] :
( ( A != B
| ( subset(A,B)
& subset(B,A) ) )
& ( A = B
| ~ subset(A,B)
| ~ subset(B,A) ) ),
inference(NNF_transformation,[status(esa)],[f6]) ).
fof(f87,plain,
( ! [A,B] :
( A != B
| ( subset(A,B)
& subset(B,A) ) )
& ! [A,B] :
( A = B
| ~ subset(A,B)
| ~ subset(B,A) ) ),
inference(miniscoping,[status(esa)],[f86]) ).
fof(f88,plain,
! [X0,X1] :
( X0 != X1
| subset(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f87]) ).
fof(f90,plain,
! [X0,X1] :
( X0 = X1
| ~ subset(X0,X1)
| ~ subset(X1,X0) ),
inference(cnf_transformation,[status(esa)],[f87]) ).
fof(f180,plain,
? [A,B] :
( ~ in(A,B)
& ~ disjoint(singleton(A),B) ),
inference(pre_NNF_transformation,[status(esa)],[f34]) ).
fof(f181,plain,
( ~ in(sk0_8,sk0_9)
& ~ disjoint(singleton(sk0_8),sk0_9) ),
inference(skolemization,[status(esa)],[f180]) ).
fof(f182,plain,
~ in(sk0_8,sk0_9),
inference(cnf_transformation,[status(esa)],[f181]) ).
fof(f183,plain,
~ disjoint(singleton(sk0_8),sk0_9),
inference(cnf_transformation,[status(esa)],[f181]) ).
fof(f192,plain,
! [A,B,C] :
( ~ subset(A,B)
| in(C,A)
| subset(A,set_difference(B,singleton(C))) ),
inference(pre_NNF_transformation,[status(esa)],[f37]) ).
fof(f193,plain,
! [A,B] :
( ~ subset(A,B)
| ! [C] :
( in(C,A)
| subset(A,set_difference(B,singleton(C))) ) ),
inference(miniscoping,[status(esa)],[f192]) ).
fof(f194,plain,
! [X0,X1,X2] :
( ~ subset(X0,X1)
| in(X2,X0)
| subset(X0,set_difference(X1,singleton(X2))) ),
inference(cnf_transformation,[status(esa)],[f193]) ).
fof(f206,plain,
! [A,B] :
( ~ disjoint(A,B)
| disjoint(B,A) ),
inference(pre_NNF_transformation,[status(esa)],[f42]) ).
fof(f207,plain,
! [X0,X1] :
( ~ disjoint(X0,X1)
| disjoint(X1,X0) ),
inference(cnf_transformation,[status(esa)],[f206]) ).
fof(f236,plain,
! [X0,X1] : subset(set_difference(X0,X1),X0),
inference(cnf_transformation,[status(esa)],[f56]) ).
fof(f275,plain,
! [A,B] :
( ( ~ disjoint(A,B)
| set_difference(A,B) = A )
& ( disjoint(A,B)
| set_difference(A,B) != A ) ),
inference(NNF_transformation,[status(esa)],[f74]) ).
fof(f276,plain,
( ! [A,B] :
( ~ disjoint(A,B)
| set_difference(A,B) = A )
& ! [A,B] :
( disjoint(A,B)
| set_difference(A,B) != A ) ),
inference(miniscoping,[status(esa)],[f275]) ).
fof(f278,plain,
! [X0,X1] :
( disjoint(X0,X1)
| set_difference(X0,X1) != X0 ),
inference(cnf_transformation,[status(esa)],[f276]) ).
fof(f290,plain,
! [X0] : subset(X0,X0),
inference(destructive_equality_resolution,[status(esa)],[f88]) ).
fof(f314,plain,
! [X0,X1] :
( set_difference(X0,X1) != X0
| disjoint(X1,X0) ),
inference(resolution,[status(thm)],[f278,f207]) ).
fof(f315,plain,
set_difference(sk0_9,singleton(sk0_8)) != sk0_9,
inference(resolution,[status(thm)],[f314,f183]) ).
fof(f584,plain,
! [X0,X1,X2] :
( set_difference(X0,singleton(X1)) = X2
| ~ subset(set_difference(X0,singleton(X1)),X2)
| ~ subset(X2,X0)
| in(X1,X2) ),
inference(resolution,[status(thm)],[f90,f194]) ).
fof(f871,plain,
! [X0,X1] :
( set_difference(X0,singleton(X1)) = X0
| ~ subset(X0,X0)
| in(X1,X0) ),
inference(resolution,[status(thm)],[f584,f236]) ).
fof(f872,plain,
! [X0,X1] :
( set_difference(X0,singleton(X1)) = X0
| in(X1,X0) ),
inference(forward_subsumption_resolution,[status(thm)],[f871,f290]) ).
fof(f1018,plain,
set_difference(sk0_9,singleton(sk0_8)) = sk0_9,
inference(resolution,[status(thm)],[f872,f182]) ).
fof(f1019,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f1018,f315]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SEU154+2 : TPTP v8.1.2. Released v3.3.0.
% 0.03/0.13 % Command : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.15/0.34 % Computer : n003.cluster.edu
% 0.15/0.34 % Model : x86_64 x86_64
% 0.15/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.34 % Memory : 8042.1875MB
% 0.15/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.15/0.34 % CPULimit : 300
% 0.15/0.34 % WCLimit : 300
% 0.15/0.34 % DateTime : Mon Apr 29 19:55:33 EDT 2024
% 0.15/0.35 % CPUTime :
% 0.15/0.36 % Drodi V3.6.0
% 0.21/0.41 % Refutation found
% 0.21/0.41 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.21/0.41 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.21/0.42 % Elapsed time: 0.071143 seconds
% 0.21/0.42 % CPU time: 0.433502 seconds
% 0.21/0.42 % Total memory used: 65.403 MB
% 0.21/0.42 % Net memory used: 65.196 MB
%------------------------------------------------------------------------------