Mathlib v3 is deprecated. Go to Mathlib v4

Theorem is_group_hom.one_iff_ker_inv'

Modification history

2021-08-01 17:17
src/deprecated/subgroup.lean
chore(deprecated/*): Make deprecated classes into structures (#8178) …
Modified is_group_hom.one_iff_ker_inv'View on Github →
2020-06-01 23:39
src/deprecated/subgroup.lean
chore(group_theory/sub*): move unbundled submonoids and subgroups to `deprecated` (#2912) …
Modified is_group_hom.one_iff_ker_inv'View on Github →
2020-02-14 00:07
src/group_theory/subgroup.lean
chore(group_theory/sub*) : rename type vars (#1982) …
Modified is_group_hom.one_iff_ker_inv'View on Github →
2019-03-26 00:11
src/group_theory/subgroup.lean
feat(group_theory/subgroup): add inv_iff_ker' and related (#790) …
Added is_group_hom.one_iff_ker_inv'View on Github →