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Hierarchical Uncertainty Modeling via (m, n)-Superhyperuncertainand (h, k)-ary (m, n)-Superhyperuncertain Sets: Unified Extensions of Fuzzy, Neutrosophic, Soft, Rough, and Plithogenic Set Theories. Eur. J. Pure Appl. Math. 2025;18(4):6834. doi:10.29020/nybg.ejpam.v18i4.6834