Mathlib v3 is deprecated. Go to Mathlib v4

Theorem with_zero.coe_one

Modification history

2020-10-05 11:38
src/algebra/group/with_one.lean
chore(algebra/group/with_one): prove `group_with_zero` earlier, drop custom lemmas (#4385)
Modified with_zero.coe_oneView on Github →
2019-06-11 17:46
src/algebra/group.lean
refactor(algebra/group): split into smaller files (#1121) …
Modified with_zero.coe_oneView on Github →
2019-02-28 17:20
src/algebra/group.lean
refactor(algebra/group): generalise and extend the API for with_zero (#762) …
Added with_zero.coe_oneView on Github →