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Theorems · Definition · measure theory

MeasureTheory.Measure.everywherePosSubset

{α : Type u_1} → [TopologicalSpace α] → [inst : MeasurableSpace α] → MeasureTheory.Measure α → Set α → Set α

The everywhere positive subset of a set is the subset made of those points all of whose neighborhoods have positive measure inside the set.

Defined in
Mathlib.MeasureTheory.Measure.EverywherePos
Cited by
13 results in Mathlib
Foundations
Depth 170 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
TopologicalSpaceMeasurableSpace

Around this declaration

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

MeasureTheory.Measure.everywherePosSubset_subset · cited by 4Measure.everywherePosSubs…MeasureTheory.Measure.exists_isOpen_everywherePosSubset_eq_sdiff · cited by 4Measure.exists_isOpen_eve…MeasureTheory.Measure.everywherePosSubset_ae_eq_of_measure_ne_top · cited by 3Measure.everywherePosSubs…IsClosed.everywherePosSubset · cited by 2IsClosed.everywherePosSub…IsCompact.everywherePosSubset · cited by 2IsCompact.everywherePosSu…MeasurableSet.everywherePosSubset · cited by 2MeasurableSet.everywhereP…MeasureTheory.Measure.measure_eq_zero_of_subset_sdiff_everywherePosSubset · cited by 2Measure.measure_eq_zero_o…MeasureTheory.Measure.isEverywherePos_everywherePosSubset_of_measure_ne_top · cited by 2Measure.isEverywherePos_e…MeasureTheory.Measure.everywherePosSubset_ae_eq · cited by 1Measure.everywherePosSubs…MeasureTheory.Measure.innerRegularWRT_preimage_one_hasCompactSupport_measure_ne_top_of_addGroup · cited by 1Measure.innerRegularWRT_p…MeasureTheory.Measure.innerRegularWRT_preimage_one_hasCompactSupport_measure_ne_top_of_group · cited by 1Measure.innerRegularWRT_p…MeasureTheory.Measure.exists_isOpen_everywherePosSubset_eq_diff · cited by 0Measure.exists_isOpen_eve…MeasureTheory.Measure.isEverywherePos_everywherePosSubset · cited by 0Measure.isEverywherePos_e…DFunLike.coe · cited by 62936DFunLike.coeSet · cited by 53352SetTopologicalSpace · cited by 24529TopologicalSpaceMeasurableSpace · cited by 13106MeasurableSpaceMeasureTheory.Measure · cited by 10939MeasureTheory.MeasureSet.ofPred · cited by 6101Set.ofPrednhdsWithin · cited by 1912nhdsWithinMeasure.everywherePosSubsetCITED BYCITES

Cites7

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

Cited by13

Results whose statement or proof uses this declaration.