Approximations in (bi-)hyperideals of Semihypergroups
نویسندگان
چکیده
We consider the fundamental relation on a semihypergroup to interpret the lower and upper approximations as subsets of the fundamental semigroup / and we give some results in this connection. Also, we introduce the notion of a bi-hyperideal to study the relationship between approximations and bi-hyperideals.
منابع مشابه
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