# Def direct_sum.gmonoid.of_submodules

#### Modification history

2021-10-08 14:22

src/algebra/direct_sum/ring.lean

feat(algebra/graded_monoid): Split out graded monoids from graded rings (#9586) …

Deleted direct_sum.gmonoid.of_submodulesView on Github →2021-10-08 14:22

src/algebra/direct_sum/ring.lean

feat(algebra/graded_monoid): Split out graded monoids from graded rings (#9586) …

Deleted direct_sum.gmonoid.of_submodulesView on Github →