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144 bytes added , 20:55, April 3, 2007

New page: A topological space '''X''' is said to be a 2nd-countable space if it has a countable basis for its topology. category:topology

A [[topological space]] '''X''' is said to be a 2nd-countable space if it has a [[countable]] [[basis]] for its topology.

[[category:topology]]

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2nd-countable space (view source)