Theorem Nat.sum_totient'

Modification history

2024-05-27 08:32
Mathlib/Data/Nat/Totient.lean
chore: Use the new `∑ i ∈ s, f i` notation (#13209) …
Modified Nat.sum_totient'View on Github →
2023-03-29 05:37
Mathlib/Data/Nat/Totient.lean
feat: port Data.Nat.Totient (#3156)
Added Nat.sum_totient'View on Github →