no goals
F : Type u
K : Type v
L : Type w
inst✝² : Field K
inst✝¹ : Field L
inst✝ : Field F
i : K →+* L
f : K[X]
⊢ Splits i f ↔ f = 0 ∨ ∀ {g : L[X]}, Irreducible g → g ∣ map i f → degree g = 1
rw [Splits, map_eq_zero]