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 On vague filters in $BE$-algebras Commun. Korean Math. Soc. 2011 Vol. 26, No. 3, 417-425 https://doi.org/10.4134/CKMS.2011.26.3.417Published online September 1, 2011 Sun Shin Ahn and Jung Mi Ko Dongguk University, Gangneung-Wonju National University Abstract : In this paper, we introduce the notion of a vague filter in $BE$-algebras, and investigate some properties of them. Also we give conditions for a vague set to be a vague filter, and we characterize vague filters in $BE$-algebras. Keywords : $BE$-algebra, vague set, (vague) filter MSC numbers : 06F35 Downloads: Full-text PDF