MeasureTheory.Measure.ext_of_singleton

∀ {α : Type u_1} [inst : MeasurableSpace α] [Countable α] {μ ν : MeasureTheory.Measure α},
  (∀ (a : α), μ {a} = ν {a}) → μ = ν

Two measures on a countable space are equal if they agree on singletons.

Defined in: Mathlib.MeasureTheory.Measure.Dirac
Cited by: 2 results in Mathlib
Foundations: Depth 208 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: MeasurableSpace Countable

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