Radical approach in BCH-algebras.
Fuzzy associative -ideals of IS-algebras.
-structures applied to closed ideals in BCH-algebras.
Strong implicative hyper -ideals.
Commutative Energetic Subsets of BCK-Algebras
The notions of a C-energetic subset and (anti) permeable C-value in BCK-algebras are introduced, and related properties are investigated. Conditions for an element t in [0, 1] to be an (anti) permeable C-value are provided. Also conditions for a subset to be a C-energetic subset are discussed. We decompose BCK-algebra by a partition which consists of a C-energetic subset and a commutative ideal.
On fuzzy -algebras
The fuzzification of (normal) -subalgebras is considered, and some related properties are investigated. A characterization of a fuzzy -algebra is given.
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