In Topology. For any A subset of X, does the int(cl(int(A))) a subset of cl(int(A))?

I've been wondering because the definition of an eta-open set is if A ⊆ int(cl(int(A))) U cl(int(A)). While the semi-open set is if A ⊆ cl(int(A)). So, if int(cl(int(A))) just a subset of...

28 October 2023 8,039 10 View