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SEMI-PRIME CLOSURE OPERATIONS ON BCK-ALGEBRA
BORDBAR, HASHEM,ZAHEDI, MOHAMMAD MEHDI Korean Mathematical Society 2015 대한수학회논문집 Vol.30 No.4
In this paper we study the (good) semi-prime closure operations on ideals of a BCK-algebra, lower BCK-semilattice, Noetherian BCK-algebra and meet quotient ideal and then we give several theorems that make different (good) semi-prime closure operations. Moreover by given some examples we show that the given different notions are independent together, for instance there is a semi-prime closure operation, which is not a good semi-prime. Finally by given the notion of "$c_f$-Max X", we prove that every member of "$c_f$-Max X" is a prime ideal. Also we conclude some more related results.