Mathlib v3 is deprecated. Go to Mathlib v4

Theorem is_group_hom.map_one

Modification history

2021-08-01 17:17
src/deprecated/group.lean
chore(deprecated/*): Make deprecated classes into structures (#8178) …
Modified is_group_hom.map_oneView on Github →
2020-03-02 14:25
src/algebra/group/hom.lean
chore(algebra/group): move `is_mul/monoid/group_hom` to `deprecated/` (#2056) …
Modified is_group_hom.map_oneView on Github →
2019-07-14 05:25
src/algebra/group/hom.lean
chore(algebra/group/hom): add `is_monoid_hom.of_mul`, use it (#1225) …
Modified is_group_hom.map_oneView on Github →
2019-06-11 17:46
src/algebra/group.lean
refactor(algebra/group): split into smaller files (#1121) …
Modified is_group_hom.map_oneView on Github →
2019-04-09 13:50
src/algebra/group.lean
refactor(*): rename is_group_hom.mul to map_mul (#911) …
Added is_group_hom.map_oneView on Github →