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Le Matematiche 2012
(α,β,T)-Convex vague setsKeywords: Convex sets , Vague sets , (α , β , T)-convex ((α , β , T)-concave) vague sets , (α , β)-cut , α-cut Abstract: By using vague sets we generalize the notion of convex sets and introduce the notion of (α, β ,T )-convex vague sets and study their properties, where T is a triangular norm on [0, 1].
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