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Doubt fuzzy BCI-algebras. (English) Zbl 0993.06020
Summary: 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.
##### MSC:
 06F35 BCK-algebras, BCI-algebras (aspects of ordered structures) 03E72 Theory of fuzzy sets, etc.
##### Keywords:
doubt fuzzy $$p$$-ideals; BCI-algebras; fuzzy relations
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