no goals
Ω : Type u_1
m : MeasurableSpace Ω
μ : MeasureTheory.Measure Ω
s t✝ : Set Ω
hms : MeasurableSet s
t : Set Ω
⊢ ↑↑(μ[|s]) t = (↑↑μ s)⁻¹ * ↑↑μ (s ∩ t)
rw [cond, Measure.smul_apply, Measure.restrict_apply' hms, Set.inter_comm, smul_eq_mul]