Mathlib v3 is deprecated. Go to Mathlib v4

Theorem open_subgroup.is_open_of_nonempty_open_subset

Modification history

2020-06-12 03:49
src/topology/algebra/open_subgroup.lean
refactor(*): fix field names in `linear_map` and `submodule` (#3032) …
Deleted open_subgroup.is_open_of_nonempty_open_subsetView on Github →
2019-10-05 12:20
src/topology/algebra/open_subgroup.lean
chore(topology): sanity_check pass (#1510) …
Modified open_subgroup.is_open_of_nonempty_open_subsetView on Github →
2019-05-31 20:59
src/topology/algebra/open_subgroup.lean
feat(topology/algebra/open_subgroup): basics on open subgroups (#1067) …
Added open_subgroup.is_open_of_nonempty_open_subsetView on Github →