Supported by the National Natural Science Foundation of China(Grant No.61170121);the Natural Science Foundation of Jiangsu Province(Grant No.BK20151117);the Natural Science Foundation of Wuxi Taihu University(Grant No.16WUNS006)
In this paper, we firstly introduce the concept of(α, β)-soft ideals of Weak-BCIalgebras after endowing a parameter set as a Weak-BCI-algebra. When U = [0, 1], α = U,β = ?, it becomes the hesitant fuzzy ideals ...