Theorem IsGroupHom.inv_ker_one

Modification history

2023-05-07 05:02
Mathlib/Deprecated/Subgroup.lean
chore: bye-bye, solo `by`s! (#3825) …
Modified IsGroupHom.inv_ker_oneView on Github →
2023-01-27 13:20
Mathlib/Deprecated/Subgroup.lean
feat: port `Deprecated.Subgroup` (#1876)
Added IsGroupHom.inv_ker_oneView on Github →