Countable Fort Space is Metrizable
From ProofWiki
Theorem
Let $T = \left({S, \tau_p}\right)$ be a Fort space on a countably infinite set $S$.
Then $T$ is a metrizable space.
Proof
Sources
- Lynn Arthur Steen and J. Arthur Seebach, Jr.: Counterexamples in Topology (1970)... (previous)... (next): $\text{II}: \ 23: \ 6$