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Subgroup.card_comap_dvd_of_injective
Modification history
2024-08-16 23:11
Mathlib/GroupTheory/Coset/Basic.lean
chore: avoid importing `Cardinal` in basic group theory (#15646)
Modified
Subgroup.card_comap_dvd_of_injective
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2024-06-08 03:30
Mathlib/GroupTheory/Coset.lean
refactor(GroupTheory/Coset): Replace `Fintype.card` with `Nat.card` (#13431) …
Modified
Subgroup.card_comap_dvd_of_injective
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2023-01-31 10:56
Mathlib/GroupTheory/Coset.lean
feat: port GroupTheory.Coset (#1874) …
Added
Subgroup.card_comap_dvd_of_injective
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