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Theorem subgroup.is_open_of_open_subgroup

Modification history

2023-03-15 14:32
src/topology/algebra/open_subgroup.lean
refactor(topology/algebra/open_subgroup): use `set_like` (#18585)
Modified subgroup.is_open_of_open_subgroupView on Github →
2020-06-12 03:49
src/topology/algebra/open_subgroup.lean
refactor(*): fix field names in `linear_map` and `submodule` (#3032) …
Added subgroup.is_open_of_open_subgroupView on Github →