# Tukey's Lemma / Teichmüller–Tukey　`lem.tukey`
English entry · root `../`
[in graph](../#n=lem.tukey)　·　[Chinese page (authoritative)](./lem.tukey.md)

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

layer 9 · lemma · cluster 选择原理 (`order.choice`) · Order Theory
names: `Tukey` (short) · `Tukey's Lemma / Teichmüller–Tukey` (full)

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


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