Browsing by Author "Jafari, Z."

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  • Hedayati, H.; Jafari, Z. (Selcuk University Research Center of Applied Mathematics, 2011)
    In this paper the notion of (?,?)-fuzzy bi-ideal of a semigroup is introduced and related properties are investigated. Also, the definition of implication operator in the Lukasiewicz system of continuous-valued logic for ...