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    • Inf-Hesitant Fuzzy Ideals in BCK/BCI-Algebras 

      Jun, Young Bae; Song, Seok-Zun (Wydawnictwo Uniwersytetu Łódzkiego, 2020-03-30)
      Based on the hesitant fuzzy set theory which is introduced by Torra in the paper [12], the notions of Inf-hesitant fuzzy subalgebras, Inf-hesitant fuzzy ideals and Inf-hesitant fuzzy p-ideals in BCK/BCI-algebras are ...