# Empty Set　`def.empty`
English entry · root `../`
[in graph](../#n=def.empty)　·　[Chinese page (authoritative)](./def.empty.md)

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

layer 0 · definition · cluster 集合的构造 (`set.construct`) · Set Theory
names: `empty set` (short) · `Empty Set` (full)

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


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