I'm fairly certain that the following statement requires the assumption that the topology is first countable, can someone verify this?(adsbygoogle = window.adsbygoogle || []).push({});

If for every sequence x_n → x, E contains all but finitely many x_n, than x is in the interior of E.

Thanks.

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Point-Set Question

Loading...

**Physics Forums | Science Articles, Homework Help, Discussion**