no goals
F : Type ?u.91013
α : Type u_2
β : Type u_1
γ : Type ?u.91022
inst✝² : Zero α
inst✝¹ : Zero β
inst✝ : SMulWithZero α β
s✝ : Set α
t s : Set β
h : Set.Nonempty s
⊢ 0 • s = 0
simp only [← image_smul, image_eta, zero_smul, h.image_const, singleton_zero]