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Theorems · Theorem · combinatorics

Set.Intersecting.insert

∀ {α : Type u_1} [inst : SemilatticeInf α] [inst_1 : OrderBot α] {s : Set α} {a : α},
  s.Intersecting → a ≠ ⊥ → (∀ b ∈ s, ¬Disjoint a b) → (insert a s).Intersecting
Defined in
Mathlib.Combinatorics.SetFamily.Intersecting
Cited by
4 results in Mathlib
Foundations
Depth 8 from the axioms · uses propext
Assumes
SemilatticeInfOrderBot

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