DOI: 10.18466/cbayarfbe.1695338 ISSN: 1305-130X

On Muzzy Subsets

Utku Gürdal, Gamze Aynur Tirli, Selim Çetin
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We introduce the concept of muzzy subsets as a novel generalization of fuzzy subsets aimed at refining the representation of uncertainty. Unlike fuzzy subsets, which assign membership degrees to individual elements, muzzy subsets assign subsethood degrees to subsets of a given universal set, capturing the extent to which a subset of the universe is accepted as a subset of the muzzy subset. Our study also establishes fundamental properties of muzzy subsets, explores their relationship with fuzzy subsets, and introduces a dual tool: co-muzzy (cuzzy) subsets, which represent degrees of supersethood, as well as a unified tool: bi-muzzy (buzzy) subsets, which combines the structures of both of the former two tools. Moreover, several examples are given to illustrate the practicality of muzzy subsets in modeling real-world scenarios where traditional set theories fall short.

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