Mathlib v3 is deprecated. Go to Mathlib v4

Def subtype.comm_monoid

Modification history

2021-08-01 17:17
src/deprecated/submonoid.lean
chore(deprecated/*): Make deprecated classes into structures (#8178) …
Deleted subtype.comm_monoidView on Github →
2020-10-23 10:15
src/deprecated/submonoid.lean
fix(deprecated/*): remove instances (#4735) …
Added subtype.comm_monoidView on Github →