# Choice Function　`def.choicefn`
English entry · root `../`
[in graph](../#n=def.choicefn)　·　[Chinese page (authoritative)](./def.choicefn.md)

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

layer 6 · definition · cluster 选择原理 (`order.choice`) · Set Theory
names: `choice function` (short) · `Choice Function` (full)

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


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