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Theorems · Theorem · measure theory

MeasureTheory.FiniteMeasure.ext_of_forall_lintegral_eq

∀ {Ω : Type u_1} [inst : MeasurableSpace Ω] [inst_1 : TopologicalSpace Ω] [HasOuterApproxClosed Ω] [BorelSpace Ω]
  {μ ν : MeasureTheory.FiniteMeasure Ω},
  (∀ (f : BoundedContinuousFunction Ω NNReal), ∫⁻ (x : Ω), ↑(f x) ∂↑μ = ∫⁻ (x : Ω), ↑(f x) ∂↑ν) → μ = ν

Two finite Borel measures are equal if the integrals of all non-negative bounded continuous functions with respect to both agree.

Defined in
Mathlib.MeasureTheory.Measure.FiniteMeasure
Cited by
2 results in Mathlib
Foundations
Depth 221 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
MeasurableSpaceTopologicalSpaceHasOuterApproxClosedBorelSpace

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