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Abstract
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International Journal of Mathematics and Mathematical Sciences
Volume 2003 (2003), Issue 9, Pages 549-556
doi:10.1155/S0161171203110277

Fuzzy structures of PI(≪,⫅,⫅)BCK-ideals in hyper BCK-algebras

Young Bae Jun and Wook Hwan Shim

Department of Mathematics Education, Gyeongsang National University, Chinju 660-701, Korea

Abstract

The fuzzification of PI(≪,⫅,⫅)BCK-ideals is considered. Using the notion of α-cut, characterization of fuzzy PI(≪,⫅,⫅)BCK-ideals is given. Conditions for a fuzzy set to be a fuzzy PI(≪,⫅,⫅)BCK-ideal are provided.