Some Types of Filters in Equality Algebras

Equality algebras were introduced by S. Jenei as a possible algebraic semantic for fuzzy type theory. In this paper, we introduce some types of filters such as (positive) implicative, fantastic, Boolean, and prime filters in equality algebras and we prove some results which determine the relation be...

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Main Authors: Rajabali Borzooei, Fateme Zebardast, Mona Aaly Kologani
Format: Article
Language:English
Published: Shahid Beheshti University 2017-07-01
Series:Categories and General Algebraic Structures with Applications
Subjects:
Online Access:http://www.cgasa.ir/article_42342_cf5624efc3f4dd8d61c28cc7af659734.pdf
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author Rajabali Borzooei
Fateme Zebardast
Mona Aaly Kologani
author_facet Rajabali Borzooei
Fateme Zebardast
Mona Aaly Kologani
author_sort Rajabali Borzooei
collection DOAJ
description Equality algebras were introduced by S. Jenei as a possible algebraic semantic for fuzzy type theory. In this paper, we introduce some types of filters such as (positive) implicative, fantastic, Boolean, and prime filters in equality algebras and we prove some results which determine the relation between these filters. We prove that the quotient equality algebra induced by an implicative filter is a Boolean algebra, by a fantastic filter is a commutative equality algebra, and by a prime filter is a chain, under suitable conditions. Finally, we show that positive implicative, implicative, and Boolean filters are equivalent on bounded commutative equality algebras.
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spelling doaj.art-620a1a5756b5447992badee6d38216f22022-12-21T18:59:13ZengShahid Beheshti UniversityCategories and General Algebraic Structures with Applications2345-58532345-58612017-07-017Special Issue on the Occasion of Banaschewski's 90th Birthday (II)335542342Some Types of Filters in Equality AlgebrasRajabali Borzooei0Fateme Zebardast1Mona Aaly Kologani2Department of Mathematics, Shahid Beheshti University, Tehran, Iran.Department of Mathematics, Payam e Noor University, Tehran, Iran.Payam e Noor UniversityEquality algebras were introduced by S. Jenei as a possible algebraic semantic for fuzzy type theory. In this paper, we introduce some types of filters such as (positive) implicative, fantastic, Boolean, and prime filters in equality algebras and we prove some results which determine the relation between these filters. We prove that the quotient equality algebra induced by an implicative filter is a Boolean algebra, by a fantastic filter is a commutative equality algebra, and by a prime filter is a chain, under suitable conditions. Finally, we show that positive implicative, implicative, and Boolean filters are equivalent on bounded commutative equality algebras.http://www.cgasa.ir/article_42342_cf5624efc3f4dd8d61c28cc7af659734.pdfEquality algebra(positive) implicative filterfantastic filterBoolean filter
spellingShingle Rajabali Borzooei
Fateme Zebardast
Mona Aaly Kologani
Some Types of Filters in Equality Algebras
Categories and General Algebraic Structures with Applications
Equality algebra
(positive) implicative filter
fantastic filter
Boolean filter
title Some Types of Filters in Equality Algebras
title_full Some Types of Filters in Equality Algebras
title_fullStr Some Types of Filters in Equality Algebras
title_full_unstemmed Some Types of Filters in Equality Algebras
title_short Some Types of Filters in Equality Algebras
title_sort some types of filters in equality algebras
topic Equality algebra
(positive) implicative filter
fantastic filter
Boolean filter
url http://www.cgasa.ir/article_42342_cf5624efc3f4dd8d61c28cc7af659734.pdf
work_keys_str_mv AT rajabaliborzooei sometypesoffiltersinequalityalgebras
AT fatemezebardast sometypesoffiltersinequalityalgebras
AT monaaalykologani sometypesoffiltersinequalityalgebras