bn:03797197n
Noun Concept
Categories: Properties of topological spaces, General topology
EN
first-countable space  first-countable  first axiom of countability  First countability  first countable
EN
In topology, a branch of mathematics, a first-countable space is a topological space satisfying the "first axiom of countability". Wikipedia
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EN
In topology, a branch of mathematics, a first-countable space is a topological space satisfying the "first axiom of countability". Wikipedia