SEVERAL TYPES OF BIPOLAR FUZZY HYPER BCK-IDEALS IN HYPER BCK-ALGEBRAS

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Jun, Young-Bae (Department of Mathematics Education (and RINS), Gyeongsang National University) ;
Kang, Min-Su (Department of Mathematics, Hanyang University) ;
Song, Seok-Zun (Department of Mathematics, Cheju National University)

Several types of a bipolar fuzzy hyper BCK-ideal in a hyper BCK-algebra are introduced, and their relations are investigated.

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