ABSTRACT ANDI RIO RAMADHAN. 2110246916, Construction and Analysis of Filters in BN-Algebra, supervised by Sri Gemawati and Kartini. BN-algebra (A; ∗, 0) is a non-empty set A equipped with a binary operation ∗ and a constant 0, which satisfies the following axioms: (B1) a ∗ a = 0, (B2) a ∗ 0 = a, and (BN) (a ∗ b) ∗ c = (0 ∗ c) ∗ (b ∗ a) for every a, b, c ∈ A. A subset I …