Theorem Finset.card_eq_sum_ones

Modification history

2024-05-28 07:17
Mathlib/Algebra/BigOperators/Basic.lean
chore: Do not import `MulAction` in `Data.Multiset.Bind` (#13289) …
Modified Finset.card_eq_sum_onesView on Github →
2024-05-27 08:32
Mathlib/Algebra/BigOperators/Basic.lean
chore: Use the new `∑ i ∈ s, f i` notation (#13209) …
Modified Finset.card_eq_sum_onesView on Github →
2023-01-18 12:21
Mathlib/Algebra/BigOperators/Basic.lean
feat: port Algebra.BigOperators.Basic (#1628)
Added Finset.card_eq_sum_onesView on Github →