Mathlib Map

Theorems · Theorem · measure theory

AEMeasurable.ennreal_tsum

Deprecated since 2026-04-30Mathlib marks this declaration as deprecated.

∀ {α : Type u_1} {mα : MeasurableSpace α} {ι : Type u_5} [Countable ι] {f : ι → α → ENNReal}
  {μ : MeasureTheory.Measure α}, (∀ (i : ι), AEMeasurable (f i) μ) → AEMeasurable (fun x => ∑' (i : ι), f i x) μ
Defined in
Mathlib.MeasureTheory.Constructions.BorelSpace.Real
Cited by
1 results in Mathlib
Foundations
Depth 180 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Countable

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites11

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by1

Results whose statement or proof uses this declaration.