Upper and Lower Approximations of Fuzzy Sets

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Title:	Upper and Lower Approximations of Fuzzy Sets
Author:	Boixader Ibáñez, Dionís; Jacas Moral, Juan; Recasens Ferrés, Jorge
Other authors:	Universitat Politècnica de Catalunya. Departament d'Estructures a l'Arquitectura; Universitat Politècnica de Catalunya. FIA - Modelització Matemàtica Funcional i Aplicacions
Abstract:	The upper and lower approximations of a fuzzy subset with respect to an indistinguish-ability operator are studied. Their relations with fuzzy rough sets are also investigated
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Matemàtiques i estadística::Lògica matemàtica -Fuzzy logic -Indistinguishability operator -Generator -Observable set -Upper approximation -Lower approximation -Rough sets -Modal logic -Closure operator -Fuzzy topology -Lògica difusa
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Document type:	Article - Published version Article
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