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Theorems · Theorem · order theory

IsGreatest.csSup_eq

∀ {α : Type u_1} [inst : ConditionallyCompletePartialOrderSup α] {s : Set α} {a : α}, IsGreatest s a → sSup s = a

A greatest element of a set is the supremum of this set.

Defined in
Mathlib.Order.ConditionallyCompletePartialOrder.Basic
Cited by
9 results in Mathlib
Foundations
Depth 9 from the axioms · uses no axioms
Assumes
ConditionallyCompletePartialOrderSup

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