# retract　`cor.stonean-retract`
English entry · root `../`
[in graph](../#n=cor.stonean-retract)　·　[Chinese page (authoritative)](./cor.stonean-retract.md)

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

layer 18 · corollary · cluster Stone 与 Stonean (`topo.stone`) · Topology

## Statement and proof
Chinese only — see the Chinese page `nodes/cor.stonean-retract.md` and `proofs/`.


Cite: `cor.stonean-retract` (content v0.9.0) · terms: [LICENSE.txt](../LICENSE.txt)