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Theorems · Theorem · measure theory

MeasurableSet.biUnion

∀ {α : Type u_1} {β : Type u_2} {m : MeasurableSpace α} {f : β → Set α} {s : Set β},
  s.Countable → (∀ b ∈ s, MeasurableSet (f b)) → MeasurableSet (⋃ b ∈ s, f b)
Defined in
Mathlib.MeasureTheory.MeasurableSpace.Defs
Cited by
25 results in Mathlib
Foundations
Depth 62 from the axioms · uses propext, Classical.choice, Quot.sound

Around this declaration

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

Set.Countable.measurableSet · cited by 14Countable.measurableSetMeasurableSet.biInter · cited by 13MeasurableSet.biInterborel_eq_generateFrom_Iio · cited by 6borel_eq_generateFrom_IioMeasurableSet.sUnion · cited by 5MeasurableSet.sUnionMeasureTheory.IsStoppingTime.measurableSet_eq_of_countable_range · cited by 4IsStoppingTime.measurable…Dense.borel_eq_generateFrom_Ico_mem_aux · cited by 3Dense.borel_eq_generateFr…Set.Finite.measurableSet_biUnion · cited by 3Finite.measurableSet_biUn…MeasureTheory.exists_decomposition_of_monotoneOn_hasDerivWithinAt · cited by 3MeasureTheory.exists_deco…Dense.borel_eq_generateFrom_Icc_mem_aux · cited by 2Dense.borel_eq_generateFr…MeasureTheory.SimpleFunc.measurableSet_cut · cited by 2SimpleFunc.measurableSet_…MeasureTheory.NullMeasurableSet.biUnion · cited by 1NullMeasurableSet.biUnionMeasureTheory.Measure.MeasureDense.of_generateFrom_isSetAlgebra_finite · cited by 1MeasureDense.of_generateF…MeasurableSpace.measurableSet_generateFrom_memPartition · cited by 1MeasurableSpace.measurabl…MeasurableSpace.measurableSet_generateFrom_memPartition_iff · cited by 1MeasurableSpace.measurabl…Real.borel_eq_generateFrom_Iio_rat · cited by 1Real.borel_eq_generateFro…Set · cited by 53352SetMeasurableSpace · cited by 13106MeasurableSpaceSet.Elem · cited by 7166Set.ElemMeasurableSet · cited by 3075MeasurableSetSet.iUnion · cited by 2483Set.iUnionCountable · cited by 633CountableSet.Countable · cited by 545Set.CountableMeasurableSet.iUnion · cited by 81MeasurableSet.iUnionSet.biUnion_eq_iUnion · cited by 41Set.biUnion_eq_iUnionSet.Countable.to_subtype · cited by 33Countable.to_subtypeMeasurableSet.biUnionCITED BYCITES

Cites10

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

Cited by25

Results whose statement or proof uses this declaration.