On imaginable T-fuzzy subalgebras and imaginable T-fuzzy closed ideals in BCH-algebras

We inquire further into the properties on fuzzy closed ideals. We give a characterization of a fuzzy closed ideal using its level set, and establish some conditions for a fuzzy set to be a fuzzy closed ideal. We describe the fuzzy closed ideal generated by a fuzzy set, and give a characterization of...

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Main Authors: Young Bae Jun, Sung Min Hong
Format: Article
Language:English
Published: Wiley 2001-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/S0161171201006408
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author Young Bae Jun
Sung Min Hong
author_facet Young Bae Jun
Sung Min Hong
author_sort Young Bae Jun
collection DOAJ
description We inquire further into the properties on fuzzy closed ideals. We give a characterization of a fuzzy closed ideal using its level set, and establish some conditions for a fuzzy set to be a fuzzy closed ideal. We describe the fuzzy closed ideal generated by a fuzzy set, and give a characterization of a finite-valued fuzzy closed ideal. Using a t-norm T, we introduce the notion of (imaginable) T-fuzzy subalgebras and (imaginable) T-fuzzy closed ideals, and obtain some related results. We give relations between an imaginable T-fuzzy subalgebra and an imaginable T-fuzzy closed ideal. We discuss the direct product and T-product of T-fuzzy subalgebras. We show that the family of T-fuzzy closed ideals is a completely distributive lattice.
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institution Kabale University
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series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-3e43578fdc2c4fffa9658077d5cd7b5f2025-02-03T01:23:43ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252001-01-0127526928710.1155/S0161171201006408On imaginable T-fuzzy subalgebras and imaginable T-fuzzy closed ideals in BCH-algebrasYoung Bae Jun0Sung Min Hong1Department of Mathematics Education, Gyeongsang National University, Chinju 660-701, KoreaDepartment of Mathematics, Gyeongsang National University, Chinju 660-701, KoreaWe inquire further into the properties on fuzzy closed ideals. We give a characterization of a fuzzy closed ideal using its level set, and establish some conditions for a fuzzy set to be a fuzzy closed ideal. We describe the fuzzy closed ideal generated by a fuzzy set, and give a characterization of a finite-valued fuzzy closed ideal. Using a t-norm T, we introduce the notion of (imaginable) T-fuzzy subalgebras and (imaginable) T-fuzzy closed ideals, and obtain some related results. We give relations between an imaginable T-fuzzy subalgebra and an imaginable T-fuzzy closed ideal. We discuss the direct product and T-product of T-fuzzy subalgebras. We show that the family of T-fuzzy closed ideals is a completely distributive lattice.http://dx.doi.org/10.1155/S0161171201006408
spellingShingle Young Bae Jun
Sung Min Hong
On imaginable T-fuzzy subalgebras and imaginable T-fuzzy closed ideals in BCH-algebras
International Journal of Mathematics and Mathematical Sciences
title On imaginable T-fuzzy subalgebras and imaginable T-fuzzy closed ideals in BCH-algebras
title_full On imaginable T-fuzzy subalgebras and imaginable T-fuzzy closed ideals in BCH-algebras
title_fullStr On imaginable T-fuzzy subalgebras and imaginable T-fuzzy closed ideals in BCH-algebras
title_full_unstemmed On imaginable T-fuzzy subalgebras and imaginable T-fuzzy closed ideals in BCH-algebras
title_short On imaginable T-fuzzy subalgebras and imaginable T-fuzzy closed ideals in BCH-algebras
title_sort on imaginable t fuzzy subalgebras and imaginable t fuzzy closed ideals in bch algebras
url http://dx.doi.org/10.1155/S0161171201006408
work_keys_str_mv AT youngbaejun onimaginabletfuzzysubalgebrasandimaginabletfuzzyclosedidealsinbchalgebras
AT sungminhong onimaginabletfuzzysubalgebrasandimaginabletfuzzyclosedidealsinbchalgebras