Theorem Finset.sum_apply'

Modification history

2024-05-27 08:32
Mathlib/Algebra/BigOperators/Finsupp.lean
chore: Use the new `∑ i ∈ s, f i` notation (#13209) …
Modified Finset.sum_apply'View on Github →
2023-01-30 08:00
Mathlib/Algebra/BigOperators/Finsupp.lean
feat: port Algebra.BigOperators.Finsupp (#1900) …
Added Finset.sum_apply'View on Github →