Theorem: mem_Ico_iff_div (PrimeNumberTheoremAnd/Wiener.lean)

State before:
n : ℕ
A a b c d u x y t σ' : ℝ
ψ Ψ : ℝ → ℂ
F G : ℂ → ℂ
f : ℕ → ℂ
𝕜 : Type
inst✝ : _root_.RCLike 𝕜
hx : 0 < x
⊢ n ∈ Finset.Ico ⌈a * x⌉₊ ⌈b * x⌉₊ ↔ ↑n / x ∈ Ico a b
Tactic:
rw [Finset.mem_Ico, mem_Ico, ceil_mul_le_iff hx, lt_ceil_mul_iff hx]
State after:
no goals