Documentation

GibbsMeasure.Mathlib.MeasureTheory.Measure.GiryMonad

theorem MeasureTheory.Measure.measurable_of_measurable_coe' {α : Type u_1} {β : Type u_2} [MeasurableSpace β] (t : Set (Set α)) (μ : βMeasure α) [∀ (b : β), IsProbabilityMeasure (μ b)] (h : st, Measurable fun (b : β) => (μ b) s) :
theorem MeasureTheory.Measure.measurable_restrict {α : Type u_1} { : MeasurableSpace α} {s : Set α} (hs : MeasurableSet s) :
Measurable fun (μ : Measure α) => μ.restrict s
theorem MeasureTheory.Measure.measurable_setLIntegral {α : Type u_1} { : MeasurableSpace α} {s : Set α} {f : αENNReal} (hf : Measurable f) (hs : MeasurableSet s) :
Measurable fun (μ : Measure α) => ∫⁻ (x : α) in s, f x μ
theorem MeasureTheory.Measure.bind_null {α : Type u_1} {β : Type u_2} [MeasurableSpace β] { : MeasurableSpace α} {m : Measure α} {f : αMeasure β} {s : Set β} (hs : MeasurableSet s) (hf : AEMeasurable f m) :
(m.bind f) s = 0 (fun (a : α) => (f a) s) =ᵐ[m] 0
theorem MeasureTheory.Measure.ae_bind_iff {α : Type u_1} {β : Type u_2} [MeasurableSpace β] { : MeasurableSpace α} {m : Measure α} {f : αMeasure β} {p : βProp} (hf : AEMeasurable f m) (hp : MeasurableSet {x : β | p x}) :
(∀ᵐ (b : β) m.bind f, p b) ∀ᵐ (a : α) m, ∀ᵐ (b : β) f a, p b