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Relationship between ideals of BCI-algebras and order ideals of its adjoint semigroup. (English) Zbl 1007.06014

The author considers the relationship between ideals of a BCI-algebra and order ideals of its adjoint semigroup, and gives answers to some open problems posed by J. Li [Math. Jap. 49, 447-450 (1999; Zbl 0932.06016)].
Reviewer: Jie Meng (Xian)

MSC:

06F35 BCK-algebras, BCI-algebras

Citations:

Zbl 0932.06016