Search for: [Abstract = "The paper deals with sup−∗ composition of intuitionistic fuzzy relations, but its considerable part concerns properties of arbitrary fuzzy relations. At first, auxiliary properties of binary operations ∗ \: \[0, 1\]2 → \[0, 1\] are completed. Next, properties of composition and dual composition of fuzzy relations are discussed. Then, the existence results for sup−∗ composition of intuitionistic fuzzy relations are presented. Finally, the above results are used for construction of semigroups and semirings of intuitionistic fuzzy relations."]

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