Problem

erdos:417

True ↔ ∃ L, Filter.Tendsto (fun x => ↑{k | k ∈ Set.range Nat.totient ∧ ↑k ≤ x}.ncard / ↑(Nat.totient '' {m | 1 ≤ m ∧ ↑m ≤ x}).ncard) Filter.atTop (nhds L)

Open Current State

Declared status: open
Formalization: formalized
Subjects: number theory
OEIS: A264810 · A061070
Sources: source:erdos-problemssource:formal-conjectures
Statement: www.erdosproblems.com

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