Mathlib v3 is deprecated. Go to Mathlib v4

Def open_subgroup.comap

Modification history

2023-03-15 14:32
src/topology/algebra/open_subgroup.lean
refactor(topology/algebra/open_subgroup): use `set_like` (#18585)
Modified open_subgroup.comapView on Github →
2021-03-14 00:42
src/topology/algebra/open_subgroup.lean
feat(topology/algebra/nonarchimedean): added nonarchimedean groups and rings (#6551) …
Added open_subgroup.comapView on Github →