Fuzzy filters of MTL-algebras

  • Authors:
  • Young Bae Jun;Yang Xu;Xiao Hong Zhang

  • Affiliations:
  • Department of Mathematics Education, Gyeongsang National University, Chinju, South Korea;Department of Applied Mathematics, Southwest Jiaotong University, Chengdu, Sichuan, China;Department of Mathematics, The Faculty of Science, Ningbo University, Ningbo, Zhejiang, China

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2005

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Abstract

Characterizations of fuzzy filters in MTL-algebras are given. The fuzzy filter generated by a fuzzy set is considered. The notion of Boolean fuzzy filters and MV-fuzzy filters are introduced and related properties are investigated. A condition for a fuzzy filter to be Boolean is provided. A characterization of a Boolean fuzzy filter is given. A congruence relation on a MTL-algebra induced by a fuzzy filter is established, and we show that the set of all congruence relations induced by a fuzzy filter is a completely distributive lattice.