3. (Proposition 3.5.1(ii)) Let (X, d) be a metric space, and let 0 + A Ç X. Show that a subset H C A is closed in (A, dA
Posted: Tue Sep 07, 2021 7:42 am
3. (Proposition 3.5.1(ii)) Let (X, d) be a metric space, and let 0 + A Ç X. Show that a subset H C A is closed in (A, dA) if and only if H = F n A for some closed set F in (X, d).