nLab Nagata-Smirnov metrization theorem - main theorem

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Note: Nagata-Smirnov metrization theorem - main theorem and Nagata-Smirnov metrization theorem - main theorem both redirect for "Nagata-Smirnov metrization theorem/main theorem".

Theorem

A topological space X X is metrisable if and only if it is regular, Hausdorff and has a countably locally finite base.

Created on April 2, 2019 at 14:32:59. See the history of this page for a list of all contributions to it.