Abstract
In this paper, the notions of int-soft left (right) ideals, int-soft interior ideals and int-soft bi-ideals over the soft sets are introduced and several related properties of these notions are investigated. Characterizations of int-soft ideals over the soft sets are considered. Moreover, for any soft set (eta, U) over S, the notion of a soft set over the soft sets (chi(eta(u)), V) is introduced. It is prove that a soft set (eta, S) is a soft left ideal (resp. right ideal, interior ideal, bi-ideal) over S if and only if (chi(eta(x)), S) is an int-soft left ideal (resp. right ideal, interior ideal, bi-ideal) over the soft sets.