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A [[topological space]] ''X'' is said to be a '''1st-countable space''' if every point in ''X'' has a [[countable]] [[basis]].
A [[topological space]] ''X'' is said to be a '''1st-countable space''' if every point in ''X'' has a [[countable]] [[basis]].
==See Also==
==See also==
*[[2nd-countable space]]
*[[2nd-countable space]]
[[category:topology]]
[[Category:Topology]]