On fuzzy implication operators
Fuzzy Sets and Systems
Operations fitting triangular-norm-based biresiduation
Fuzzy Sets and Systems - Special issue on triangular norms
Truth, Deduction, and Computation: Logic and Semantics for Computer Science
Truth, Deduction, and Computation: Logic and Semantics for Computer Science
Automorphisms, negations and implication operators
Fuzzy Sets and Systems - Implication operators
A normal form which preserves tautologies and contradictions in a class of fuzzy logics
Journal of Algorithms
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There are several ways to extend the classical logical connectives for fuzzy truth degrees, in such a way that their behavior for the values 0 and 1 work exactly as in the classical one. For each extension of logical connectives the formulas which are always true (the tautologies) changes. In this paper we will provide a fuzzy interpretation for the usual connectives (conjunction, disjunction, negation, implication and bi-implication) such that the set of tautologies is exactly the set of classical tautologies. Thus, when we see logics as set of formulas, then the propositional (classical) logic has a fuzzy model.