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Theorems · Theorem · order theory

DirectedOn.csSup_le_iff

∀ {α : Type u_1} [inst : ConditionallyCompletePartialOrderSup α] {s : Set α} {a : α},
  DirectedOn (fun x1 x2 => x1 ≤ x2) s → BddAbove s → s.Nonempty → (sSup s ≤ a ↔ ∀ b ∈ s, b ≤ a)
Defined in
Mathlib.Order.ConditionallyCompletePartialOrder.Basic
Cited by
0 results in Mathlib
Foundations
Depth 9 from the axioms · uses propext, Quot.sound
Assumes
ConditionallyCompletePartialOrderSup

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