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Theorems · Theorem · measure theory

isPiSystem_iUnion_of_monotone

∀ {α : Type u_3} {ι : Type u_4} [inst : SemilatticeSup ι] (p : ι → Set (Set α)),
  (∀ (n : ι), IsPiSystem (p n)) → Monotone p → IsPiSystem (⋃ n, p n)
Defined in
Mathlib.MeasureTheory.PiSystem
Cited by
2 results in Mathlib
Foundations
Depth 60 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SemilatticeSup

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