EDB — 0GF

Exercises

1. [0GF] Topics:interior. Given \(X\), a topological space, and \(A⊆ X\), show that

   \[ {{A}^\circ } = {{\left({{A}^\circ }\right)}^\circ }~ ~ . \]

   using the definition of \({{A}^\circ }\) given above.

   (For the case of \(X\) metric space, see also [0PJ]↺↻)

   Solution 1

   [0GG]↺↻