“…We recall some definitions and results discussed in [1,2,3,8]. An algebra (X; * , 1) of type (2, 0) is called a BE-algebra if (BE1) x * x = 1 for all x ∈ X; (BE2) x * 1 = 1 for all x ∈ X; (BE3) 1 * x = x for all x ∈ X; (BE4) x * (y * z) = y * (x * z) for all x, y, z ∈ X.…”
Abstract. The notion of a rough fuzzy filter in a BE-algebra is introduced and some properties of such a filter are investigated. The relations between the upper (lower) rough filters and the upper (lower) approximations of their homomorphism images are discussed.
“…We recall some definitions and results discussed in [1,2,3,8]. An algebra (X; * , 1) of type (2, 0) is called a BE-algebra if (BE1) x * x = 1 for all x ∈ X; (BE2) x * 1 = 1 for all x ∈ X; (BE3) 1 * x = x for all x ∈ X; (BE4) x * (y * z) = y * (x * z) for all x, y, z ∈ X.…”
Abstract. The notion of a rough fuzzy filter in a BE-algebra is introduced and some properties of such a filter are investigated. The relations between the upper (lower) rough filters and the upper (lower) approximations of their homomorphism images are discussed.
“…Proof. From Theorem 3.6 in [14], we know that ( ; * , 1) is a semilattice with respect to ∨. Then we need to show that the set { , } for all , ∈ has a greatest lower bound.…”
Section: Theorem 25 In a Bounded And Commutative Be-algebra The Follmentioning
confidence: 99%
“…Also they generalized the notion of upper sets in BE-algebras and discussed some properties of the characterizations of generalized upper sets related to the structure of ideals in transitive and self-distributive BE-algebras. In [14], Ahn et al introduced the notion of terminal section of BE-algebras and provided the characterization of the commutative BEalgebras.…”
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