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Type-2 fuzzy sets extend the classical concept of fuzzy sets by allowing the membership grade itself to be a fuzzy set. This extension provides a richer mathematical framework for representing ...
The set (X, J) of fuzzy subsets f:X → J of a set X can be equipped with a structure of θ-valued Łukasiewicz-Moisil algebra, where θ is the order type of the totally ordered set J. Conversely, every ...