Calculus of Contextual Rough Sets in Contextual Spaces
Edward Bryniarski, Urszula Wybraniec-Skardowska · Journal of Applied Non-Classical Logics · 1998
The palier explains the methods of approximation of set which were earlier put forth by the authors (1995a, 1995b) and by W. Marek and H. Rasiowa (1986). An essential part of this paper is devoted to the presentation of a certain calculus of rough sets and contextual rough sets in contextual spaces.