α : Type u_1
β : Type u_2
inst✝¹ : MeasurableSpace α
inst✝ : MeasurableSpace β
f : β → Measure α
h : ∀ (s : Set α), MeasurableSet s → Measurable fun b => ↑↑(f b) s
s : Set α
hs : MeasurableSet s
⊢ borel ℝ≥0∞ ≤ MeasurableSpace.map ((fun μ => ↑↑μ s) ∘ f) inst✝
α : Type u_1
β : Type u_2
inst✝¹ : MeasurableSpace α
inst✝ : MeasurableSpace β
f : β → Measure α
h : ∀ (s : Set α), MeasurableSet s → Measurable fun b => ↑↑(f b) s
s : Set α
hs : MeasurableSet s
⊢ borel ℝ≥0∞ ≤ MeasurableSpace.map (fun μ => ↑↑μ s) (MeasurableSpace.map f inst✝)
rw [MeasurableSpace.map_comp]
no goals
α : Type u_1
β : Type u_2
inst✝¹ : MeasurableSpace α
inst✝ : MeasurableSpace β
f : β → Measure α
h : ∀ (s : Set α), MeasurableSet s → Measurable fun b => ↑↑(f b) s
s : Set α
hs : MeasurableSet s
⊢ borel ℝ≥0∞ ≤ MeasurableSpace.map ((fun μ => ↑↑μ s) ∘ f) inst✝
exact h s hs