===== Second-countable Hausdorff space =====
==== Set ====
| @#55CCEE: context     | @#55CCEE: $X$ |
| @#FFBB00: definiendum | @#FFBB00: $\langle X,T\rangle\in$ it |
| @#AAFFAA: inclusion   | @#AAFFAA: $\langle X,T\rangle$ ... Second-countable space |
| @#AAFFAA: inclusion   | @#AAFFAA: $\langle X,T\rangle$ ... Hausdorff space |

==== Discussion ====
==== Parents ====
=== Subset of ===
[[Hausdorff space]], [[Second-countable space]]