Mathlib v3 is deprecated. Go to Mathlib v4

Def mul_equiv.subgroup_congr

Modification history

2020-06-01 23:39
src/group_theory/bundled_subgroup.lean
chore(group_theory/sub*): move unbundled submonoids and subgroups to `deprecated` (#2912) …
Modified mul_equiv.subgroup_congrView on Github →
2020-04-22 03:48
src/group_theory/bundled_subgroup.lean
feat(group_theory/bundled_subgroup): bundled subgroup (#2140) …
Added mul_equiv.subgroup_congrView on Github →