Structure AddSubmonoid

Modification history

2023-08-10 19:52
Mathlib/GroupTheory/Submonoid/Basic.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified AddSubmonoidView on Github →
2022-12-28 18:05
Mathlib/GroupTheory/Submonoid/Basic.lean
feat: port `GroupTheory/Submonoid/Basic` (#1224)
Added AddSubmonoidView on Github →