Results 21 to 30 of about 46 (46)

On  , qk  -intuitionistic (fuzzy ideals, fuzzy soft ideals) of subtraction algebras [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2015
The intent of this article is to study the concept of an  ,  k   q -intuitionistic fuzzy ideal and    , qk  -intuitionistic fuzzy soft ideal of subtraction algebras and to introduce some related properties.
Madad Khan   +4 more
doaj  

On branchwise implicative BCI‐algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 29, Issue 7, Page 417-425, 2002., 2002
We introduce a new class of BCI‐algebras, namely the class of branchwise implicative BCI‐algebras. This class contains the class of implicative BCK‐algebras, the class of weakly implicative BCI‐algebras (Chaudhry, 1990), and the class of medial BCI‐algebras.
Muhammad Anwar Chaudhry
wiley   +1 more source

Fuzzy filters in BCI‐algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 29, Issue 1, Page 47-54, 2002., 2002
We introduce the notion of fuzzy filters and weak filters in BCI‐algebras and discuss their properties. Then we establish some relations among filters, fuzzy filters, and weak filters in BCI‐algebras.
C. Lele, C. Wu, T. Mamadou
wiley   +1 more source

On QI-Algebras

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2017
In this paper, the notion of a QI-algebra is introduced which is a generalization of a BI-algebra and there are studied its properties. We considered ideals, congruence kernels in a QI-algebra and characterized congruence kernels whenever a QI-algebra is
Bandaru Ravi Kumar
doaj   +1 more source

Doubt fuzzy BCI‐algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 30, Issue 1, Page 49-56, 2002., 2002
The aim of this note is to introduce the notion of doubt fuzzy p‐ideals in BCI‐algebras and to study their properties. We also solve the problem of classifying doubt fuzzy p‐ideals and study fuzzy relations on BCI‐algebras.
Zhan Jianming, Tan Zhisong
wiley   +1 more source

An Injective Pseudo-BCI Algebra is Trivial

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2019
Injective pseudo-BCI algebras are studied. There is shown that the only injective pseudo-BCI algebra is the trivial one.
Dymek Grzegorz
doaj   +1 more source

Fuzzy implicative hyper BCK‐ideals of hyper BCK‐algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 29, Issue 2, Page 63-70, 2002., 2002
We consider the fuzzification of the notion of implicative hyper BCK‐ideals, and then investigate several properties. Using the concept of level subsets, we give a characterization of a fuzzy implicative hyper BCK‐ideal. We state a relation between a fuzzy hyper BCK‐ideal and a fuzzy implicative hyper BCK‐ideal.
Young Bae Jun, Wook Hwan Shim
wiley   +1 more source

State maps on semihoops

open access: yesOpen Mathematics, 2018
In this paper, we introduce the notion of state maps from a semihoop H1 to another semihoop H2, which is a generalization of internal states (or state operators) on a semihoop H.
Fu Yu Long, Xin Xiao Long, Wang Jun Tao
doaj   +1 more source

On some classes of BCH‐algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 25, Issue 3, Page 205-211, 2001., 2001
The concept of a BCH‐algebra is a generalization of the concept of a BCI‐algebra. It is shown that weakly commutative BCH‐algebras are weakly commutative BCI‐algebras. Moreover, the concepts of weakly positive implicative and weakly implicative BCH‐algebras are defined and it is shown that every weakly implicative BCH‐algebra is a weakly positive ...
Muhammad Anwar Chaudhry   +1 more
wiley   +1 more source

Fuzzy BCI‐subalgebras with interval‐valued membership functions

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 25, Issue 2, Page 135-143, 2001., 2001
The purpose of this paper is to define the notion of an interval‐valued fuzzy BCI‐subalgebra (briefly, an i‐v fuzzy BCI‐subalgebra) of a BCI‐algebra. Necessary and sufficient conditions for an i‐v fuzzy set to be an i‐v fuzzy BCI‐subalgebra are stated. A way to make a new i‐v fuzzy BCI‐subalgebra from old one is given.
Sung Min Hong   +3 more
wiley   +1 more source

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