have q := hMul_three_pow_dvd n h
a b c : ℤθ
n : ℕ
h : 1 ≤ n
⊢ ∃ a b, 1 ≤ a ∧ (3 * ↑n = 3 ^ a * (3 * b + 1) ∨ 3 * ↑n = 3 ^ a * (3 * b + 2))
a b c : ℤθ
n : ℕ
h : 1 ≤ n
q : ∃ a, 3 ^ a ∣ 3 * n ∧ ¬3 ^ (a + 1) ∣ 3 * n
⊢ ∃ a b, 1 ≤ a ∧ (3 * ↑n = 3 ^ a * (3 * b + 1) ∨ 3 * ↑n = 3 ^ a * (3 * b + 2))