sorry
R : Type u
inst✝¹ : CommRing R
inst✝ : IsDomain R
p : ℕ
a b : ℤ
⊢ nat_valuation p (natAbs a) ≤ nat_valuation p (max (natAbs a) (natAbs b) - min (natAbs a) (natAbs b)) ∨
    nat_valuation p (natAbs b) ≤ nat_valuation p (max (natAbs a) (natAbs b) - min (natAbs a) (natAbs b))
no goals