ON ($epsilon, epsilon vee q$)-FUZZY IDEALS OF BCI-ALGEBRAS

Authors

  • Jianming Zhan Department of Mathematics, Hubei Institute for Nationalities, Enshi, Hubei Province,445000, P. R. China
  • Young Bae Jun Department of Mathematics Education, Gyeongsang National University, Chinju 660-701, Korea
Abstract:

The aim of this paper is to introduce the notions of ($epsilon, epsilon vee q$)-fuzzy p-ideals, ($epsilon, epsilon vee q$)-fuzzy q-ideals and ($epsilon, epsilon vee q$)-fuzzy a-ideals in BCIalgebras and to investigate some of their properties. Several characterizationtheorems for these generalized fuzzy ideals are proved and the relationshipamong these generalized fuzzy ideals of BCI-algebras is discussed. It is shownthat a fuzzy set of a BCI-algebra is an ($epsilon, epsilon vee q$)-fuzzy a-ideal if and only if itis both an ($epsilon, epsilon vee q$)-fuzzy p-ideal and an ($epsilon, epsilon vee q$)-fuzzy q-ideal. Finally, the concept of implication-based fuzzy a-ideals in BCI-algebras is introduced and,in particular, the implication operators in Lukasiewicz system of continuousvaluedlogic are discussed.

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Journal title

volume 6  issue 1

pages  81- 94

publication date 2009-02-11

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