MeasurableSpace.DynkinSystem.has_union

∀ {α : Type u_3} (d : MeasurableSpace.DynkinSystem α) {s₁ s₂ : Set α},
  d.Has s₁ → d.Has s₂ → Disjoint s₁ s₂ → d.Has (s₁ ∪ s₂)

Defined in: Mathlib.MeasureTheory.PiSystem
Cited by: 1 results in Mathlib
Foundations: Depth 63 from the axioms · uses propext, Classical.choice, Quot.sound

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