noun
Meaning 1
(real analysis): Given a subset X of R, the smallest real number that is ≥ every element of X; (order theory): given a subset X of a partially ordered set P (with partial order ≤), the least element y of P such that every element of X is ≤ y.
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, sciences, set-theory
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: least upper bound, LUB, sup
Antonyms: none provided