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Theorems · Theorem · order theory

Set.sigma_eq_biUnion

∀ {ι : Type u_1} {α : ι → Type u_3} {s : Set ι} {t : (i : ι) → Set (α i)}, s.sigma t = ⋃ i ∈ s, Sigma.mk i '' t i
Defined in
Mathlib.Data.Set.Sigma
Cited by
1 results in Mathlib
Foundations
Depth 9 from the axioms · uses propext, Quot.sound
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Around this declaration

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Set.isCompact_sigma · cited by 1Set.isCompact_sigmaSet · cited by 53352SetSet.image · cited by 5609Set.imageSet.iUnion · cited by 2483Set.iUnionSet.ext · cited by 2266Set.extSet.sigma · cited by 65Set.sigmaSet.sigma_eq_biUnionCITED BYCITES

Cites5

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Cited by1

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