rw[hnu]
case hnu
s : SelbergSieve
hnu : s.nu = (↑ζ).pdiv ↑ArithmeticFunction.id
hP : ∀ (p : ℕ), p.Prime → ↑p ≤ s.level → p ∣ s.prodPrimes
⊢ CompletelyMultiplicative s.nu
case hnu
s : SelbergSieve
hnu : s.nu = (↑ζ).pdiv ↑ArithmeticFunction.id
hP : ∀ (p : ℕ), p.Prime → ↑p ≤ s.level → p ∣ s.prodPrimes
⊢ CompletelyMultiplicative ((↑ζ).pdiv ↑ArithmeticFunction.id)