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Subgroup.map_symm_eq_iff_map_eq
Modification history
2023-05-07 05:02
Mathlib/GroupTheory/Subgroup/Basic.lean
chore: bye-bye, solo `by`s! (#3825) …
Modified
Subgroup.map_symm_eq_iff_map_eq
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2023-01-26 10:26
Mathlib/GroupTheory/Subgroup/Basic.lean
feat: port GroupTheory.Subgroup.Basic (#1797)
Added
Subgroup.map_symm_eq_iff_map_eq
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