Definition
Every countable cover has a finite subcover.
Remark
- A first countable space is countably compact iff it is sequentially compact.
Reference
Lynn Arthur Steen and J. Arthur Seebach, Jr. Counterexamples in Topology, Dover.
Every countable cover has a finite subcover.
Lynn Arthur Steen and J. Arthur Seebach, Jr. Counterexamples in Topology, Dover.