IsChain.pairwise_sUnion

∀ {α : Type u_1} {c : Set (Set α)} {r : α → α → Prop},
  IsChain (fun x1 x2 => x1 ⊆ x2) c → ((⋃₀ c).Pairwise r ↔ ∀ s ∈ c, s.Pairwise r)

Defined in: Mathlib.Data.Set.Pairwise.Chain
Cited by: 1 results in Mathlib
Foundations: Depth 63 from the axioms · uses propext, Classical.choice, Quot.sound

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