Characterizations of regular semigroups by interval valued fuzzy ideals with thresholds ( α̃ , β̃ ) Saleem Abdullah , Muhammad Naeem ,
نویسندگان
چکیده
olds ( α̃, β̃ ) and interval valued fuzzy generalized bi-ideals with thresholds ( α̃, β̃ ) , which are generalization of interval valued fuzzy ideals, interval valued fuzzy interior ideals, interval valued fuzzy quasi ideals and interval valued fuzzy generalized bi-ideals, in a semigroup are introduced, and related properties are investigated. Characterizations of regular semigroups by the properties of interval valued fuzzy left (right, interior, bi, generalized
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