Department of mathematics, Faculty of Science, Beni-Suef University, EGYPT, E-mail: mabdelsattar2002@yahoo.com
In this paper we introduce some types of fuzzy filters in a BL-algebra L, and we state and prove some theorems which determine the relationship between these notions and other fuzzy filters of a BL-algebra and by some results we show that these notions are different.
BL-Algebra, fuzzy filter, implicative fuzzy filter, positive implicative fuzzy filter
