Applications of rough soft sets in BCI -algebras and decision making

Abstract

Rough sets and soft sets are important tools to deal with uncertainties. Combining rough sets and soft sets, we apply rough soft set theory to BCI-algebras. Some basic operations of the lower and upper soft approximations are discussed. Some kinds of rough soft ideals of BCI-algebras are also obtained. Finally, two kinds of decision making methods for rough soft BCI-algebras are investigated.

Keywords

Rough soft set lower(upper) soft approximation decision making

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