Mathlib Map

Theorems · Theorem · measure theory

MeasureTheory.Measure.FiniteSpanningSetsIn.ext

∀ {α : Type u_1} {m0 : MeasurableSpace α} {μ ν : MeasureTheory.Measure α} {C : Set (Set α)},
  m0 = MeasurableSpace.generateFrom C → IsPiSystem C → ∀ (h : μ.FiniteSpanningSetsIn C), (∀ s ∈ C, μ s = ν s) → μ = ν

An extensionality for measures. It is ext_of_generateFrom_of_iUnion formulated in terms of FiniteSpanningSetsIn.

Defined in
Mathlib.MeasureTheory.Measure.Typeclasses.SFinite
Cited by
4 results in Mathlib
Foundations
Depth 211 from the axioms · uses propext, Classical.choice, Quot.sound

Around this declaration

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

Cites14

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

Cited by4

Results whose statement or proof uses this declaration.