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MeasureTheory.SignedMeasure.of_diff_eq_zero_of_symmDiff_eq_zero_positive

Deprecated since 2026-06-03Use MeasureTheory.SignedMeasure.of_sdiff_eq_zero_of_symmDiff_eq_zero_positive instead.

∀ {α : Type u_1} [inst : MeasurableSpace α] {s : MeasureTheory.SignedMeasure α} {u v : Set α},
  MeasurableSet u →
    MeasurableSet v →
      MeasureTheory.VectorMeasure.restrict 0 u ≤ MeasureTheory.VectorMeasure.restrict s u →
        MeasureTheory.VectorMeasure.restrict 0 v ≤ MeasureTheory.VectorMeasure.restrict s v →
          s (symmDiff u v) = 0 → s (u \ v) = 0 ∧ s (v \ u) = 0

Alias of MeasureTheory.SignedMeasure.of_sdiff_eq_zero_of_symmDiff_eq_zero_positive. If the symmetric difference of two positive sets is a null-set, then so are the differences between the two sets.

Defined in
Mathlib.MeasureTheory.VectorMeasure.Decomposition.Jordan
Cited by
0 results in Mathlib
Foundations
Depth 154 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
MeasurableSpace

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