O. A. Embaby

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The main objective of this paper is to propose a set-theoretic framework for rough sets using mixed neighborhood systems. The concept of Frechet (V) spaces and some types of neighborhood systems based on serial binary relations are used. The approximations are constructed u_sj_ng~(_rig_h- ,-t,_ _-left, and mixed) neighborhood systems. A comparison between(More)
This paper is devoted to propose a set-theoretic framework for granular computing using mixed neighborhood systems, Some types of neighborhood systems based on arbitrary binary relation are used. Considering the generalized approximation space '1(= (U, <1U, where ~is an arbitrary binary relation defined on a non-empty set U, a new definitions of the lower(More)
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