Theorem ZFSet.mem_unionₛ_of_mem

Modification history

2023-05-14 07:05
Mathlib/SetTheory/ZFC/Basic.lean
chore: Rename to `sSup`/`iSup` (#3938) …
Deleted ZFSet.mem_unionₛ_of_memView on Github →
2023-04-06 22:39
Mathlib/SetTheory/Zfc/Basic.lean
feat: port SetTheory.ZFC.Basic (#3165) …
Added ZFSet.mem_unionₛ_of_memView on Github →