# Urysohn　`lem.urysohn`
English entry · root `../`
[in graph](../#n=lem.urysohn)　·　[Chinese page (authoritative)](./lem.urysohn.md)

> English: **name only** · auto-derived from the source data; the Chinese page is authoritative.

layer 15 · lemma · cluster 拓扑空间 (`topology.general`) · Topology

## Statement and proof
Chinese only — see the Chinese page `nodes/lem.urysohn.md` and `proofs/`.


Cite: `lem.urysohn` (content v0.9.0) · terms: [LICENSE.txt](../LICENSE.txt)