Аннотация:
In this paper, by using the concept of vague sets and $BF$-algebra we introduce the notions of vague $BF$-algebra. After that we state and prove some theorems in vague $BF$-algebras, $\alpha$-cut and vague-cut. The relationship between these notions and crisp subalgebras are studied.
Ключевые слова и фразы:(anti) fuzzy $BF$-algebras, vague sets, vague $BF$-algebra, vague-cut, (artinian, noetherian) $BF$-algebras.