Difference between revisions of "2nd-countable space"
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A [[topological space]] ''X'' is said to be a '''2nd-countable space''' if it has a [[countable]] [[basis]] for its topology. | A [[topological space]] ''X'' is said to be a '''2nd-countable space''' if it has a [[countable]] [[basis]] for its topology. | ||
| − | ==See | + | ==See also== |
*[[1st-countable space]] | *[[1st-countable space]] | ||
[[Category:Topology]] | [[Category:Topology]] | ||
Latest revision as of 00:41, July 13, 2016
A topological space X is said to be a 2nd-countable space if it has a countable basis for its topology.