"Urysohn's lemma" meaning in All languages combined

See Urysohn's lemma on Wiktionary

Proper name [English]

Etymology: Named after the mathematician Pavel Samuilovich Urysohn. Head templates: {{en-prop}} Urysohn's lemma
  1. (topology) A lemma stating that a topological space is normal if and only if any two disjoint closed subsets can be separated by a continuous function. Categories (topical): Topology
    Sense id: en-Urysohn's_lemma-en-name-Hxadty8T Categories (other): English entries with incorrect language header, Pages with 1 entry, Pages with entries Topics: mathematics, sciences, topology
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This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2024-11-28 from the enwiktionary dump dated 2024-11-21 using wiktextract (65a6e81 and 0dbea76). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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