# triangle inequality　`thm.triangle`
English entry · root `../`
[in graph](../#n=thm.triangle)　·　[Chinese page (authoritative)](./thm.triangle.md)

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

layer 10 · theorem · cluster 数系的构造 (`set.numbers`) · Set Theory / Analysis

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


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