ThmDex – An index of mathematical definitions, results, and conjectures.
▼ Set of symbols
▼ Alphabet
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▼ Zermelo-Fraenkel set theory
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▼ Preordering relation
▼ Partial ordering relation
Definition D1103
Partially ordered set
Formulation 0
An D548: Ordered pair $P = (X, {\preceq})$ is a partially ordered set if and only if
(1) $X$ is a D11: Set
(2) ${\preceq}$ is a D286: Partial ordering relation on $X$
Also known as
Poset
Children
▶ D1809: Closed interval
▶ D1886: Downward enclosed set
▶ D427: Isotone map
▶ D1897: Lower enclosure
▶ D670: Maximal element
▶ D669: Minimal element
▶ D1896: Upper enclosure
▶ D1885: Upward enclosed set