On T1 separation axioms in I-fuzzy topological spaces

Abstract

In this note, we introduce the degree to which an I-fuzzy topological space (X, τ) is Sub T1 (in short, ST1), which we denote by ST1(X, τ) and proved that KT1(X, τ), defined by Yue and Fang and ST1(X, τ) are equal.