soft closed

Definition

• Let (X, T , E) be a soft space over X. A soft set (F , E) over X is said to be a soft closed set in X, if its relative complement(soft) (F , E)′ belongs to T .

Definition

• Shabir Muhammad, Naz Munazza, On soft topological spaces. (English summary), Comput. Math. Appl. 61 (2011), no. 7, 1786-1799.