May I refer you to:
taken from page 92 of Infinite Dimensional Analysis by Charalambos D. Aliprantis.
Why $G \subset f^{-1}(W)$ ? I don't see this inclusion. Can you please help?
May I refer you to:
taken from page 92 of Infinite Dimensional Analysis by Charalambos D. Aliprantis.
Why $G \subset f^{-1}(W)$ ? I don't see this inclusion. Can you please help?