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Theorem normal_subgroup_of_comm_group

Modification history

2021-08-01 17:17
src/deprecated/subgroup.lean
chore(deprecated/*): Make deprecated classes into structures (#8178) …
Deleted normal_subgroup_of_comm_groupView on Github →
2020-06-01 23:39
src/deprecated/subgroup.lean
chore(group_theory/sub*): move unbundled submonoids and subgroups to `deprecated` (#2912) …
Modified normal_subgroup_of_comm_groupView on Github →
2020-02-14 00:07
src/group_theory/subgroup.lean
chore(group_theory/sub*) : rename type vars (#1982) …
Modified normal_subgroup_of_comm_groupView on Github →
2018-08-16 07:09
group_theory/subgroup.lean
refactor(group_theory/quotient_group): remove duplicate definition (#259)
Added normal_subgroup_of_comm_groupView on Github →