TPTP Problem File: GRP205-1.p
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- Solve Problem
%--------------------------------------------------------------------------
% File : GRP205-1 : TPTP v9.0.0. Released v2.3.0.
% Domain : Group Theory (Loops)
% Problem : In Loops, Moufang-3 => Moufang-4.
% Version : [MP96] (equality) axioms.
% English :
% Refs : [Wos96] Wos (1996), OTTER and the Moufang Identity Problem
% Source : [Wos96]
% Names : - [Wos96]
% Status : Unsatisfiable
% Rating : 0.27 v8.2.0, 0.38 v8.1.0, 0.30 v7.5.0, 0.38 v7.4.0, 0.43 v7.3.0, 0.42 v7.1.0, 0.33 v7.0.0, 0.32 v6.4.0, 0.37 v6.3.0, 0.35 v6.2.0, 0.36 v6.1.0, 0.44 v6.0.0, 0.52 v5.5.0, 0.53 v5.4.0, 0.40 v5.3.0, 0.42 v5.2.0, 0.43 v5.1.0, 0.47 v5.0.0, 0.43 v4.1.0, 0.27 v4.0.1, 0.43 v4.0.0, 0.38 v3.7.0, 0.33 v3.4.0, 0.38 v3.3.0, 0.43 v3.1.0, 0.33 v2.7.0, 0.36 v2.6.0, 0.00 v2.4.0, 0.33 v2.3.0
% Syntax : Number of clauses : 10 ( 10 unt; 0 nHn; 1 RR)
% Number of literals : 10 ( 10 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 1 ( 0 usr; 0 prp; 2-2 aty)
% Number of functors : 9 ( 9 usr; 4 con; 0-2 aty)
% Number of variables : 15 ( 0 sgn)
% SPC : CNF_UNS_RFO_PEQ_UEQ
% Comments :
%--------------------------------------------------------------------------
%----Loop axioms:
cnf(left_identity,axiom,
multiply(identity,X) = X ).
cnf(right_identity,axiom,
multiply(X,identity) = X ).
cnf(multiply_left_division,axiom,
multiply(X,left_division(X,Y)) = Y ).
cnf(left_division_multiply,axiom,
left_division(X,multiply(X,Y)) = Y ).
cnf(multiply_right_division,axiom,
multiply(right_division(X,Y),Y) = X ).
cnf(right_division_multiply,axiom,
right_division(multiply(X,Y),Y) = X ).
cnf(right_inverse,axiom,
multiply(X,right_inverse(X)) = identity ).
cnf(left_inverse,axiom,
multiply(left_inverse(X),X) = identity ).
%----Moufang-3
cnf(moufang3,axiom,
multiply(multiply(multiply(X,Y),X),Z) = multiply(X,multiply(Y,multiply(X,Z))) ).
%----Denial of Moufang-4
cnf(prove_moufang4,negated_conjecture,
multiply(x,multiply(multiply(y,z),x)) != multiply(multiply(x,y),multiply(z,x)) ).
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