no goals
α : Type u_1
β : Type u_2
γ : Type ?u.53205
δ : Type ?u.53208
inst✝³ : MeasurableSpace α
inst✝² : MeasurableSpace β
inst✝¹ : MeasurableSpace γ
inst✝ : MeasurableSpace δ
μa : Measure α
μb : Measure β
μc : Measure γ
μd : Measure δ
f : α → β
hf : MeasurePreserving f
h₂ : MeasurableEmbedding f
s : Set α
⊢ MeasurePreserving f
simpa only [Set.preimage_image_eq _ h₂.injective] using hf.restrict_preimage_emb h₂ (f '' s)