Theorem Nat.sum_Icc_choose

Modification history

2024-05-27 08:32
Mathlib/Data/Nat/Choose/Sum.lean
chore: Use the new `∑ i ∈ s, f i` notation (#13209) …
Modified Nat.sum_Icc_chooseView on Github →
2024-01-05 06:57
Mathlib/Data/Nat/Choose/Sum.lean
feat: Zhu Shijie's identity (#9427) …
Added Nat.sum_Icc_chooseView on Github →