TPTP Axioms File: LCL001-0.ax
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% File : LCL001-0 : TPTP v9.0.0. Released v1.0.0.
% Domain : Logic Calculi (Wajsberg Algebras)
% Axioms : Wajsberg algebra
% Version : [Bon91] (equality) axioms.
% English :
% Refs : [FRT84] Font et al. (1984), Wajsberg Algebras
% : [Bon91] Bonacina (1991), Problems in Lukasiewicz Logic
% : [MW92] McCune & Wos (1992), Experiments in Automated Deductio
% Source : [MW92]
% Names : MV Sentential Calculus [MW92]
% Status : Satisfiable
% Syntax : Number of clauses : 4 ( 4 unt; 0 nHn; 0 RR)
% Number of literals : 4 ( 4 equ; 0 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 : 3 ( 3 usr; 1 con; 0-2 aty)
% Number of variables : 8 ( 0 sgn)
% SPC :
% Comments :
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cnf(wajsberg_1,axiom,
implies(truth,X) = X ).
cnf(wajsberg_2,axiom,
implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z))) = truth ).
cnf(wajsberg_3,axiom,
implies(implies(X,Y),Y) = implies(implies(Y,X),X) ).
cnf(wajsberg_4,axiom,
implies(implies(not(X),not(Y)),implies(Y,X)) = truth ).
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