# first-order logic　`def.first-order-language`
English entry · root `../`
[in graph](../#n=def.first-order-language)　·　[Chinese page (authoritative)](./def.first-order-language.md)

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

layer 0 · definition · cluster 一阶语言与公式 (`logic.fol`) · Mathematical Logic

## Statement and proof
Chinese only — see the Chinese page `nodes/def.first-order-language.md` and `proofs/`.


Cite: `def.first-order-language` (content v0.9.0) · terms: [LICENSE.txt](../LICENSE.txt)