Theorem isSubgroup_unionᵢ_of_directed

Modification history

2023-05-14 07:05
Mathlib/Deprecated/Subgroup.lean
chore: Rename to `sSup`/`iSup` (#3938) …
Deleted isSubgroup_unionᵢ_of_directedView on Github →
2023-01-27 13:20
Mathlib/Deprecated/Subgroup.lean
feat: port `Deprecated.Subgroup` (#1876)
Added isSubgroup_unionᵢ_of_directedView on Github →