Erdős problem 417
Letand Does exist?
Sources
FormalConjectures/ErdosProblems/
417.lean
Retained formal statement
Letand Does exist?
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)OpenStatement only, no proof