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Theorems · Theorem · measure theory

isPiSystem_prod

∀ {α : Type u_1} {β : Type u_2} [inst : MeasurableSpace α] [inst_1 : MeasurableSpace β],
  IsPiSystem (Set.image2 (fun x1 x2 => x1 ×ˢ x2) {s | MeasurableSet s} {t | MeasurableSet t})

Rectangles form a π-system.

Defined in
Mathlib.MeasureTheory.MeasurableSpace.Prod
Cited by
11 results in Mathlib
Foundations
Depth 65 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
MeasurableSpaceMeasurableSpace

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Cites9

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Cited by11

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