Theorems · Theorem · measure theory
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) = 0Alias 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.
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 154 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- MeasurableSpace
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites10
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement · cited by 62,936
- Setstatement · cited by 53,352
- Realstatement · cited by 25,697
- MeasurableSpacestatement · cited by 13,106
- MeasurableSetstatement · cited by 3,075
- MeasureTheory.VectorMeasurestatement · cited by 451
- symmDiffstatement · cited by 236
- MeasureTheory.VectorMeasure.restrictstatement · cited by 139
- MeasureTheory.SignedMeasurestatement · cited by 108
Cited by0
Results whose statement or proof uses this declaration.
Nothing cites this yet.