%------------------------------------------------------------------------------
% File : Twee---2.7
% Problem : GRP767-1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n012.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue Sep 29 10:11:57 AM UTC 2026
% Result : Unsatisfiable 1.81s 0.62s
% Output : CNFRefutation 2.30s
% Verified :
% SZS Type : Refutation
% Derivation depth : 28
% Number of leaves : 16
% Syntax : Number of clauses : 139 ( 139 unt; 0 nHn; 3 RR)
% Number of literals : 139 ( 138 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 7 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 11 ( 11 usr; 3 con; 0-3 aty)
% Number of variables : 232 ( 3 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(c1,negated_conjecture,
product(j(j(x0)),j(product(x1,x0))) != j(x1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals) ).
cnf(c2,axiom,
quotient(product(A,B),B) = A,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos05) ).
cnf(c3,plain,
quotient(product(product(j(j(X)),j(product(X2,X))),X2),X2) = product(j(j(X)),j(product(X2,X))),
inference(substitution,[status(thm)],[c2]) ).
cnf(c4,plain,
product(j(j(X)),j(product(X2,X))) = quotient(product(product(j(j(X)),j(product(X2,X))),X2),X2),
inference(symmetry,[status(thm)],[c3]) ).
cnf(c5,axiom,
product(A2,difference(A2,B2)) = B2,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos03) ).
cnf(c6,plain,
product(j(j(X2)),difference(j(j(X2)),product(product(j(j(X2)),j(product(X,X2))),X))) = product(product(j(j(X2)),j(product(X,X2))),X),
inference(substitution,[status(thm)],[c5]) ).
cnf(c7,plain,
product(product(j(j(X2)),j(product(X,X2))),X) = product(j(j(X2)),difference(j(j(X2)),product(product(j(j(X2)),j(product(X,X2))),X))),
inference(symmetry,[status(thm)],[c6]) ).
cnf(c8,axiom,
difference(A2,product(product(A2,B2),C)) = quotient(product(B2,product(C,A2)),A2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos07) ).
cnf(c9,plain,
difference(j(j(X2)),product(product(j(j(X2)),j(product(X,X2))),X)) = quotient(product(j(product(X,X2)),product(X,j(j(X2)))),j(j(X2))),
inference(substitution,[status(thm)],[c8]) ).
cnf(c10,plain,
product(X,difference(X,X2)) = X2,
inference(substitution,[status(thm)],[c5]) ).
cnf(c11,plain,
X = product(X2,difference(X2,X)),
inference(symmetry,[status(thm)],[c10]) ).
cnf(c12,plain,
product(X3,X) = product(X3,product(X2,difference(X2,X))),
inference(congruence,[status(thm)],[c11]) ).
cnf(c13,plain,
difference(product(X3,X2),product(X3,X)) = difference(product(X3,X2),product(X3,product(X2,difference(X2,X)))),
inference(congruence,[status(thm)],[c12]) ).
cnf(c14,axiom,
l(A2,B2,C2) = difference(product(A2,B2),product(A2,product(B2,C2))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos17) ).
cnf(c15,plain,
l(X3,X2,difference(X2,X)) = difference(product(X3,X2),product(X3,product(X2,difference(X2,X)))),
inference(substitution,[status(thm)],[c14]) ).
cnf(c16,plain,
difference(product(X3,X2),product(X3,product(X2,difference(X2,X)))) = l(X3,X2,difference(X2,X)),
inference(symmetry,[status(thm)],[c15]) ).
cnf(c17,plain,
difference(product(X3,X2),product(X3,X)) = l(X3,X2,difference(X2,X)),
inference(transitivity,[status(thm)],[c13,c16]) ).
cnf(c18,plain,
difference(product(j(X2),X2),product(j(X2),X)) = l(j(X2),X2,difference(X2,X)),
inference(substitution,[status(thm)],[c17]) ).
cnf(c19,plain,
l(j(X2),X2,difference(X2,X)) = difference(product(j(X2),X2),product(j(X2),X)),
inference(symmetry,[status(thm)],[c18]) ).
cnf(c20,axiom,
j(A2) = quotient(one,A2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos10) ).
cnf(c21,plain,
j(X) = quotient(one,X),
inference(substitution,[status(thm)],[c20]) ).
cnf(c22,plain,
product(j(X),X) = product(quotient(one,X),X),
inference(congruence,[status(thm)],[c21]) ).
cnf(c23,axiom,
product(quotient(A2,B2),B2) = A2,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos06) ).
cnf(c24,plain,
product(quotient(one,X),X) = one,
inference(substitution,[status(thm)],[c23]) ).
cnf(c25,plain,
product(j(X),X) = one,
inference(transitivity,[status(thm)],[c22,c24]) ).
cnf(c26,plain,
difference(product(j(X2),X2),product(j(X2),X)) = difference(one,product(j(X2),X)),
inference(congruence,[status(thm)],[c25]) ).
cnf(c27,axiom,
product(one,A2) = A2,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos02) ).
cnf(c28,plain,
product(one,difference(one,X)) = difference(one,X),
inference(substitution,[status(thm)],[c27]) ).
cnf(c29,plain,
difference(one,X) = product(one,difference(one,X)),
inference(symmetry,[status(thm)],[c28]) ).
cnf(c30,plain,
product(one,difference(one,X)) = X,
inference(substitution,[status(thm)],[c5]) ).
cnf(c31,plain,
difference(one,X) = X,
inference(transitivity,[status(thm)],[c29,c30]) ).
cnf(c32,plain,
difference(one,product(j(X2),X)) = product(j(X2),X),
inference(substitution,[status(thm)],[c31]) ).
cnf(c33,plain,
difference(product(j(X2),X2),product(j(X2),X)) = product(j(X2),X),
inference(transitivity,[status(thm)],[c26,c32]) ).
cnf(c34,plain,
l(j(X2),X2,difference(X2,X)) = product(j(X2),X),
inference(transitivity,[status(thm)],[c19,c33]) ).
cnf(c35,plain,
l(j(product(X2,X)),product(X2,X),difference(product(X2,X),product(X2,j(j(X))))) = product(j(product(X2,X)),product(X2,j(j(X)))),
inference(substitution,[status(thm)],[c34]) ).
cnf(c36,plain,
product(j(product(X2,X)),product(X2,j(j(X)))) = l(j(product(X2,X)),product(X2,X),difference(product(X2,X),product(X2,j(j(X))))),
inference(symmetry,[status(thm)],[c35]) ).
cnf(c37,axiom,
product(A2,one) = A2,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos01) ).
cnf(c38,plain,
product(eta(X),one) = eta(X),
inference(substitution,[status(thm)],[c37]) ).
cnf(c39,plain,
eta(X) = product(eta(X),one),
inference(symmetry,[status(thm)],[c38]) ).
cnf(c40,plain,
product(X,eta(X)) = product(X,product(eta(X),one)),
inference(congruence,[status(thm)],[c39]) ).
cnf(c41,axiom,
product(A2,product(eta(A2),B2)) = product(j(j(A2)),B2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos14) ).
cnf(c42,plain,
product(X,product(eta(X),one)) = product(j(j(X)),one),
inference(substitution,[status(thm)],[c41]) ).
cnf(c43,plain,
product(j(j(X)),one) = j(j(X)),
inference(substitution,[status(thm)],[c37]) ).
cnf(c44,plain,
product(X,product(eta(X),one)) = j(j(X)),
inference(transitivity,[status(thm)],[c42,c43]) ).
cnf(c45,plain,
product(X,eta(X)) = j(j(X)),
inference(transitivity,[status(thm)],[c40,c44]) ).
cnf(c46,plain,
j(j(X)) = product(X,eta(X)),
inference(symmetry,[status(thm)],[c45]) ).
cnf(c47,plain,
product(X2,j(j(X))) = product(X2,product(X,eta(X))),
inference(congruence,[status(thm)],[c46]) ).
cnf(c48,plain,
difference(product(X2,X),product(X2,j(j(X)))) = difference(product(X2,X),product(X2,product(X,eta(X)))),
inference(congruence,[status(thm)],[c47]) ).
cnf(c49,plain,
l(X2,X,eta(X)) = difference(product(X2,X),product(X2,product(X,eta(X)))),
inference(substitution,[status(thm)],[c14]) ).
cnf(c50,plain,
difference(product(X2,X),product(X2,product(X,eta(X)))) = l(X2,X,eta(X)),
inference(symmetry,[status(thm)],[c49]) ).
cnf(c51,plain,
l(X3,X2,eta(X)) = difference(product(X3,X2),product(X3,product(X2,eta(X)))),
inference(substitution,[status(thm)],[c14]) ).
cnf(c52,plain,
difference(eta(X),product(product(eta(X),X3),X2)) = quotient(product(X3,product(X2,eta(X))),eta(X)),
inference(substitution,[status(thm)],[c8]) ).
cnf(c53,plain,
quotient(product(X3,product(X2,eta(X))),eta(X)) = difference(eta(X),product(product(eta(X),X3),X2)),
inference(symmetry,[status(thm)],[c52]) ).
cnf(c54,axiom,
product(eta(A2),product(B2,C2)) = product(product(eta(A2),B2),C2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos16) ).
cnf(c55,plain,
product(eta(X),product(X3,X2)) = product(product(eta(X),X3),X2),
inference(substitution,[status(thm)],[c54]) ).
cnf(c56,plain,
product(product(eta(X),X3),X2) = product(eta(X),product(X3,X2)),
inference(symmetry,[status(thm)],[c55]) ).
cnf(c57,plain,
difference(eta(X),product(product(eta(X),X3),X2)) = difference(eta(X),product(eta(X),product(X3,X2))),
inference(congruence,[status(thm)],[c56]) ).
cnf(c58,axiom,
difference(A2,product(A2,B2)) = B2,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos04) ).
cnf(c59,plain,
difference(eta(X),product(eta(X),product(X3,X2))) = product(X3,X2),
inference(substitution,[status(thm)],[c58]) ).
cnf(c60,plain,
difference(eta(X),product(product(eta(X),X3),X2)) = product(X3,X2),
inference(transitivity,[status(thm)],[c57,c59]) ).
cnf(c61,plain,
quotient(product(X3,product(X2,eta(X))),eta(X)) = product(X3,X2),
inference(transitivity,[status(thm)],[c53,c60]) ).
cnf(c62,plain,
product(X3,X2) = quotient(product(X3,product(X2,eta(X))),eta(X)),
inference(symmetry,[status(thm)],[c61]) ).
cnf(c63,plain,
difference(product(X3,X2),product(X3,product(X2,eta(X)))) = difference(quotient(product(X3,product(X2,eta(X))),eta(X)),product(X3,product(X2,eta(X)))),
inference(congruence,[status(thm)],[c62]) ).
cnf(c64,plain,
product(quotient(X2,X),X) = X2,
inference(substitution,[status(thm)],[c23]) ).
cnf(c65,plain,
X2 = product(quotient(X2,X),X),
inference(symmetry,[status(thm)],[c64]) ).
cnf(c66,plain,
difference(quotient(X2,X),X2) = difference(quotient(X2,X),product(quotient(X2,X),X)),
inference(congruence,[status(thm)],[c65]) ).
cnf(c67,plain,
difference(quotient(X2,X),product(quotient(X2,X),X)) = X,
inference(substitution,[status(thm)],[c58]) ).
cnf(c68,plain,
difference(quotient(X2,X),X2) = X,
inference(transitivity,[status(thm)],[c66,c67]) ).
cnf(c69,plain,
difference(quotient(product(X3,product(X2,eta(X))),eta(X)),product(X3,product(X2,eta(X)))) = eta(X),
inference(substitution,[status(thm)],[c68]) ).
cnf(c70,plain,
difference(product(X3,X2),product(X3,product(X2,eta(X)))) = eta(X),
inference(transitivity,[status(thm)],[c63,c69]) ).
cnf(c71,plain,
l(X3,X2,eta(X)) = eta(X),
inference(transitivity,[status(thm)],[c51,c70]) ).
cnf(c72,plain,
l(X2,X,eta(X)) = eta(X),
inference(substitution,[status(thm)],[c71]) ).
cnf(c73,plain,
difference(product(X2,X),product(X2,product(X,eta(X)))) = eta(X),
inference(transitivity,[status(thm)],[c50,c72]) ).
cnf(c74,plain,
difference(product(X2,X),product(X2,j(j(X)))) = eta(X),
inference(transitivity,[status(thm)],[c48,c73]) ).
cnf(c75,plain,
l(j(product(X2,X)),product(X2,X),difference(product(X2,X),product(X2,j(j(X))))) = l(j(product(X2,X)),product(X2,X),eta(X)),
inference(congruence,[status(thm)],[c74]) ).
cnf(c76,plain,
l(j(product(X2,X)),product(X2,X),eta(X)) = eta(X),
inference(substitution,[status(thm)],[c71]) ).
cnf(c77,plain,
l(j(product(X2,X)),product(X2,X),difference(product(X2,X),product(X2,j(j(X))))) = eta(X),
inference(transitivity,[status(thm)],[c75,c76]) ).
cnf(c78,plain,
product(j(product(X2,X)),product(X2,j(j(X)))) = eta(X),
inference(transitivity,[status(thm)],[c36,c77]) ).
cnf(c79,plain,
product(j(product(X,X2)),product(X,j(j(X2)))) = eta(X2),
inference(substitution,[status(thm)],[c78]) ).
cnf(c80,plain,
quotient(product(j(product(X,X2)),product(X,j(j(X2)))),j(j(X2))) = quotient(eta(X2),j(j(X2))),
inference(congruence,[status(thm)],[c79]) ).
cnf(c81,axiom,
product(i(A2),A2) = product(A2,j(A2)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos11) ).
cnf(c82,plain,
product(i(X),X) = product(X,j(X)),
inference(substitution,[status(thm)],[c81]) ).
cnf(c83,plain,
product(X,j(X)) = product(i(X),X),
inference(symmetry,[status(thm)],[c82]) ).
cnf(c84,axiom,
eta(A2) = product(i(A2),A2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos12) ).
cnf(c85,plain,
eta(X) = product(i(X),X),
inference(substitution,[status(thm)],[c84]) ).
cnf(c86,plain,
product(i(X),X) = eta(X),
inference(symmetry,[status(thm)],[c85]) ).
cnf(c87,plain,
product(X,j(X)) = eta(X),
inference(transitivity,[status(thm)],[c83,c86]) ).
cnf(c88,plain,
product(j(X),j(j(X))) = eta(j(X)),
inference(substitution,[status(thm)],[c87]) ).
cnf(c89,plain,
eta(j(X)) = product(j(X),j(j(X))),
inference(symmetry,[status(thm)],[c88]) ).
cnf(c90,axiom,
t(A2,B2) = quotient(product(A2,B2),A2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos19) ).
cnf(c91,plain,
t(X2,X) = quotient(product(X2,X),X2),
inference(substitution,[status(thm)],[c90]) ).
cnf(c92,plain,
product(t(X2,X),X2) = product(quotient(product(X2,X),X2),X2),
inference(congruence,[status(thm)],[c91]) ).
cnf(c93,plain,
product(quotient(product(X2,X),X2),X2) = product(X2,X),
inference(substitution,[status(thm)],[c23]) ).
cnf(c94,plain,
product(t(X2,X),X2) = product(X2,X),
inference(transitivity,[status(thm)],[c92,c93]) ).
cnf(c95,plain,
product(t(j(X),j(j(X))),j(X)) = product(j(X),j(j(X))),
inference(substitution,[status(thm)],[c94]) ).
cnf(c96,plain,
product(j(X),j(j(X))) = product(t(j(X),j(j(X))),j(X)),
inference(symmetry,[status(thm)],[c95]) ).
cnf(c97,plain,
t(X,j(X)) = quotient(product(X,j(X)),X),
inference(substitution,[status(thm)],[c90]) ).
cnf(c98,plain,
quotient(product(X,j(X)),X) = quotient(eta(X),X),
inference(congruence,[status(thm)],[c87]) ).
cnf(c99,plain,
eta(X) = product(i(X),X),
inference(substitution,[status(thm)],[c84]) ).
cnf(c100,plain,
quotient(eta(X),X) = quotient(product(i(X),X),X),
inference(congruence,[status(thm)],[c99]) ).
cnf(c101,plain,
quotient(product(i(X),X),X) = i(X),
inference(substitution,[status(thm)],[c2]) ).
cnf(c102,plain,
quotient(eta(X),X) = i(X),
inference(transitivity,[status(thm)],[c100,c101]) ).
cnf(c103,plain,
quotient(product(X,j(X)),X) = i(X),
inference(transitivity,[status(thm)],[c98,c102]) ).
cnf(c104,plain,
t(X,j(X)) = i(X),
inference(transitivity,[status(thm)],[c97,c103]) ).
cnf(c105,plain,
t(j(X),j(j(X))) = i(j(X)),
inference(substitution,[status(thm)],[c104]) ).
cnf(c106,axiom,
i(A2) = difference(A2,one),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos09) ).
cnf(c107,plain,
i(j(X)) = difference(j(X),one),
inference(substitution,[status(thm)],[c106]) ).
cnf(c108,plain,
one = product(j(X),X),
inference(symmetry,[status(thm)],[c25]) ).
cnf(c109,plain,
difference(j(X),one) = difference(j(X),product(j(X),X)),
inference(congruence,[status(thm)],[c108]) ).
cnf(c110,plain,
difference(j(X),product(j(X),X)) = X,
inference(substitution,[status(thm)],[c58]) ).
cnf(c111,plain,
difference(j(X),one) = X,
inference(transitivity,[status(thm)],[c109,c110]) ).
cnf(c112,plain,
i(j(X)) = X,
inference(transitivity,[status(thm)],[c107,c111]) ).
cnf(c113,plain,
t(j(X),j(j(X))) = X,
inference(transitivity,[status(thm)],[c105,c112]) ).
cnf(c114,plain,
product(t(j(X),j(j(X))),j(X)) = product(X,j(X)),
inference(congruence,[status(thm)],[c113]) ).
cnf(c115,plain,
product(t(j(X),j(j(X))),j(X)) = eta(X),
inference(transitivity,[status(thm)],[c114,c87]) ).
cnf(c116,plain,
product(j(X),j(j(X))) = eta(X),
inference(transitivity,[status(thm)],[c96,c115]) ).
cnf(c117,plain,
eta(j(X)) = eta(X),
inference(transitivity,[status(thm)],[c89,c116]) ).
cnf(c118,plain,
eta(X) = eta(j(X)),
inference(symmetry,[status(thm)],[c117]) ).
cnf(c119,plain,
quotient(eta(X),j(j(X))) = quotient(eta(j(X)),j(j(X))),
inference(congruence,[status(thm)],[c118]) ).
cnf(c120,plain,
eta(X) = product(X,j(X)),
inference(symmetry,[status(thm)],[c87]) ).
cnf(c121,plain,
quotient(eta(X),j(X)) = quotient(product(X,j(X)),j(X)),
inference(congruence,[status(thm)],[c120]) ).
cnf(c122,plain,
quotient(product(X,j(X)),j(X)) = X,
inference(substitution,[status(thm)],[c2]) ).
cnf(c123,plain,
quotient(eta(X),j(X)) = X,
inference(transitivity,[status(thm)],[c121,c122]) ).
cnf(c124,plain,
quotient(eta(j(X)),j(j(X))) = j(X),
inference(substitution,[status(thm)],[c123]) ).
cnf(c125,plain,
quotient(eta(X),j(j(X))) = j(X),
inference(transitivity,[status(thm)],[c119,c124]) ).
cnf(c126,plain,
quotient(product(j(product(X,X2)),product(X,j(j(X2)))),j(j(X2))) = j(X2),
inference(transitivity,[status(thm)],[c80,c125]) ).
cnf(c127,plain,
difference(j(j(X2)),product(product(j(j(X2)),j(product(X,X2))),X)) = j(X2),
inference(transitivity,[status(thm)],[c9,c126]) ).
cnf(c128,plain,
product(j(j(X2)),difference(j(j(X2)),product(product(j(j(X2)),j(product(X,X2))),X))) = product(j(j(X2)),j(X2)),
inference(congruence,[status(thm)],[c127]) ).
cnf(c129,plain,
product(j(j(X)),j(X)) = one,
inference(substitution,[status(thm)],[c25]) ).
cnf(c130,plain,
product(j(j(X2)),difference(j(j(X2)),product(product(j(j(X2)),j(product(X,X2))),X))) = one,
inference(transitivity,[status(thm)],[c128,c129]) ).
cnf(c131,plain,
product(product(j(j(X2)),j(product(X,X2))),X) = one,
inference(transitivity,[status(thm)],[c7,c130]) ).
cnf(c132,plain,
product(product(j(j(X)),j(product(X2,X))),X2) = one,
inference(substitution,[status(thm)],[c131]) ).
cnf(c133,plain,
quotient(product(product(j(j(X)),j(product(X2,X))),X2),X2) = quotient(one,X2),
inference(congruence,[status(thm)],[c132]) ).
cnf(c134,plain,
j(X) = quotient(one,X),
inference(substitution,[status(thm)],[c20]) ).
cnf(c135,plain,
quotient(one,X) = j(X),
inference(symmetry,[status(thm)],[c134]) ).
cnf(c136,plain,
quotient(product(product(j(j(X)),j(product(X2,X))),X2),X2) = j(X2),
inference(transitivity,[status(thm)],[c133,c135]) ).
cnf(c137,plain,
product(j(j(X)),j(product(X2,X))) = j(X2),
inference(transitivity,[status(thm)],[c4,c136]) ).
cnf(c138,plain,
product(j(j(x0)),j(product(x1,x0))) = j(x1),
inference(substitution,[status(thm)],[c137]) ).
cnf(c139,plain,
$false,
inference(resolution,[status(thm)],[c1,c138]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : GRP767-1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.02 % Command : run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.05/0.29 % Computer : n012.cluster.edu
% 0.05/0.29 % Model : x86_64 x86_64
% 0.05/0.29 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.05/0.29 % Memory : 8046.5625MB
% 0.05/0.29 % OS : Linux 6.8.0-71-generic
% 0.05/0.29 % CPULimit : 300
% 0.05/0.29 % WCLimit : 300
% 0.05/0.29 % DateTime : Sun Sep 27 10:42:19 UTC 2026
% 0.05/0.29 % CPUTime :
% 0.05/0.29 Running run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.81/0.62 Command-line arguments: --lhs-weight 1 --flip-ordering --normalise-queue-percent 10 --cp-renormalise-threshold 10 --complete-subsets --ground-joining-incomplete-limit 15 --flatten-every 2
% 1.81/0.62
% 1.81/0.62 % SZS status Unsatisfiable
% 1.81/0.62
% 1.81/0.63 % SZS output start CNFRefutation
% See solution above
% 2.30/0.69
% 2.30/0.69 RESULT: Unsatisfiable (the axioms are contradictory).
%------------------------------------------------------------------------------