rintro ⟨h1, -⟩
case nonzero
q s : ℤ
h3_ndvd_q : ¬3 ∣ q
hspos : s ≠ 0
hcoprime' : IsCoprime s q
hodd' : Even q ↔ ¬Even s
h2ndvd : ¬2 ∣ q ^ 2 + 3 * s ^ 2
h3ndvd : ¬3 ∣ q ^ 2 + 3 * s ^ 2
⊢ ¬(3 ^ 2 * 2 * s = 0 ∧ q ^ 2 + 3 * s ^ 2 = 0)
case nonzero.intro
q s : ℤ
h3_ndvd_q : ¬3 ∣ q
hspos : s ≠ 0
hcoprime' : IsCoprime s q
hodd' : Even q ↔ ¬Even s
h2ndvd : ¬2 ∣ q ^ 2 + 3 * s ^ 2
h3ndvd : ¬3 ∣ q ^ 2 + 3 * s ^ 2
h1 : 3 ^ 2 * 2 * s = 0
⊢ False