Mathlib v3 is deprecated. Go to Mathlib v4

Theorem eckmann_hilton.group.is_unital

Modification history

2021-04-27 05:47
src/group_theory/eckmann_hilton.lean
chore(group_theory/eckmann_hilton): use `mul_one_class` and `is_(left|right)_id` (#7370) …
Deleted eckmann_hilton.group.is_unitalView on Github →
2018-11-05 17:44
group_theory/eckmann_hilton.lean
feat(group_theory/eckmann_hilton): add Eckmann-Hilton (#335)
Added eckmann_hilton.group.is_unitalView on Github →