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http://dx.doi.org/10.4134/BKMS.2013.50.6.1937

UNION-SOFT SETS WITH APPLICATIONS IN BCK/BCI-ALGEBRAS  

Jun, Young Bae (Department of Mathematics Education (and RINS) Gyeongsang National University)
Publication Information
Bulletin of the Korean Mathematical Society / v.50, no.6, 2013 , pp. 1937-1956 More about this Journal
Abstract
The aim of this article is to lay a foundation for providing a soft algebraic tool in considering many problems that contain uncertainties. In order to provide these soft algebraic structures, the notion of union-soft sets is introduced, and its application to BCK/BCI-algebras is considered. The notions of union-soft algebras, union-soft (commutative) ideals and closed union-soft ideals are introduced, and related properties and relations are investigated. Conditions for a union-soft ideal to be closed are provided. Conditions for a union-soft ideal to be a union-soft commutative ideal are also provided. Characterizations of (closed) union-soft ideals and union-soft commutative ideals are established. Extension property for a union-soft commutative ideal is established.
Keywords
exclusive set; union-soft algebra; (closed) union-soft ideal; union-soft commutative ideal;
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