- #1
Poopsilon
- 294
- 1
I'm fairly certain that the following statement requires the assumption that the topology is first countable, can someone verify this?
If for every sequence x_n → x, E contains all but finitely many x_n, than x is in the interior of E.
Thanks.
If for every sequence x_n → x, E contains all but finitely many x_n, than x is in the interior of E.
Thanks.