• ON SOME PROPERTIES OF ROUGH APPROXIMATIONS
Abstract
In 1982, Zdzislaw Pawlak [2] introduced the theory of Rough sets to deal with the problems involving imperfect knowledge. This present research article studies some interesting properties of Rough approximations of subsets of the universe set. The properties of Rough membership function or also presented.
Keywords
Universe set, Information system, Equivalence relation, Lower Rough Approximation, Upper Rough Approximation, Rough set, Rough Membership function.
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