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v4
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Finset.card_inv
Modification history
2023-12-27 20:59
Mathlib/Data/Finset/Pointwise.lean
feat: `(a • s)⁻¹ = s⁻¹ • a⁻¹` (#9199) …
Modified
Finset.card_inv
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2023-02-01 10:16
Mathlib/Data/Finset/Pointwise.lean
feat: Port/Data.Finset.Pointwise (#1911) …
Added
Finset.card_inv
View on Github →