Triangular norms on product lattices
Fuzzy Sets and Systems - Special issue on triangular norms
Fuzzy Sets and Systems
Intuitionistic Fuzzy Sets: Theory and Applications
Intuitionistic Fuzzy Sets: Theory and Applications
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Intuitionistic fuzzy sets (IF-sets) are a suitable tool to describe cases where it is useful to account not only the grade of membership to a collection, but also the grade of its non-membership. We consider the a-cuts of an IF-set A as crisp sets consisting of those elements x for which the truth value (in fuzzy logic) of the statement "x belongs to A and it is not true that x does not belong to A" is at least α. We describe properties of such cuts depending on the chosen type of conjunction and negation.