Abstract:Abstract. In this paper, we have use a fuzzy bitopological space (X, τ 1 , τ 2 ) to create a family τ s ij which is a supra fuzzy topology on X. Also, we introduce and study the concepts of r − (τ i , τ j )-generalized fuzzy regular closed, r − (τ i , τ j )-generalized fuzzy strongly semi-closed and r − (τ i , τ j )-generalized fuzzy regular strongly semi-closed sets in fuzzy bitopological space in the sense ofŠostak. Also, these classes of fuzzy subsets are applied for constructing several type of fuzzy close… Show more
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