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. | ||
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| + | ==See Also== | ||
| + | *[[1st-countable space]] | ||
[[category:topology]] | [[category:topology]] | ||
Revision as of 21:54, February 11, 2009
A topological space X is said to be a 2nd-countable space if it has a countable basis for its topology.