Theorems · Theorem · general topology
BaireMeasurableSet.sUnion
∀ {α : Type u_1} [inst : TopologicalSpace α] {s : Set (Set α)},
s.Countable → (∀ t ∈ s, BaireMeasurableSet t) → BaireMeasurableSet (⋃₀ s)- Defined in
- Mathlib.Topology.Baire.BaireMeasurable
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 87 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- TopologicalSpace
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Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- TopologicalSpacestatement and proof · cited by 24,529
- Set.Countablestatement and proof · cited by 545
- Set.sUnionstatement · cited by 392
- BaireMeasurableSetstatement and proof · cited by 19
- MeasurableSet.sUnionproof · cited by 5
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