no goals
K : Type u
inst✝¹ : CommRing K
inst✝ : IsDomain K
p : K[X]
q : { x // x ∈ K[X]⁰ }
⊢ RatFunc.mk p ↑q = { toFractionRing := IsLocalization.mk' (FractionRing K[X]) p q }
simp only [mk_eq_div', ← Localization.mk_eq_mk', FractionRing.mk_eq_div]