no goals
α : Type u_1
β : Type u_2
γ : Type ?u.5799
δ : Type ?u.5802
inst✝³ : TopologicalSpace α
inst✝² : TopologicalSpace β
inst✝¹ : TopologicalSpace γ
inst✝ : TopologicalSpace δ
f : α → β
hf : Inducing f
s : Set α
⊢ IsClosed s ↔ ∀ (x : α), f x ∈ closure (f '' s) → x ∈ s
rw [hf.induced, isClosed_induced_iff']