Theorem ZFSet.IsTransitive.unionₛ'

Modification history

2023-05-14 07:05
Mathlib/SetTheory/ZFC/Ordinal.lean
chore: Rename to `sSup`/`iSup` (#3938) …
Deleted ZFSet.IsTransitive.unionₛ'View on Github →
2023-04-10 15:18
Mathlib/SetTheory/ZFC/Ordinal.lean
feat: port SetTheory.ZFC.Ordinal (#3334) …
Added ZFSet.IsTransitive.unionₛ'View on Github →