| {"name":"MeasureTheory.setIntegral_eq_sum","declaration":"theorem MeasureTheory.setIntegral_eq_sum {α : Type u_1} {E : Type u_2} [MeasurableSpace α] [MeasurableSingletonClass α] [NormedAddCommGroup E] [NormedSpace ℝ E] [CompleteSpace E] (μ : MeasureTheory.Measure α) [MeasureTheory.IsFiniteMeasure μ] (s : Finset α) (f : α → E) : ∫ (x : α) in ↑s, f x ∂μ = Finset.sum s fun x => (↑↑μ {x}).toReal • f x"} | |
| {"name":"MeasureTheory.integral_eq_sum'","declaration":"theorem MeasureTheory.integral_eq_sum' {α : Type u_1} {E : Type u_2} [MeasurableSpace α] [MeasurableSingletonClass α] [NormedAddCommGroup E] [NormedSpace ℝ E] [CompleteSpace E] (μ : MeasureTheory.Measure α) [MeasureTheory.IsFiniteMeasure μ] {s : Finset α} (hs : ↑↑μ (↑s)ᶜ = 0) (f : α → E) : ∫ (x : α), f x ∂μ = Finset.sum s fun x => (↑↑μ {x}).toReal • f x"} | |