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EntityQ1052692· pop 21· linked from 155 articles

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in order theory, a nonempty, downward‐directed, upward‐closed subset of a preordered set

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Connections

partially ordered set

Categories

General topology Order theory

Sources

wikipedia.externallinksexternallink

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Ukrainian
한국어

via Wikidata sitelinks · CC0

Nicolas Bourbaki

Entity

well-founded relation

neighborhood system

ordered vector space

International Standard Book Number

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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).

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least-upper-bound property

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axiom of determinacy

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What links here155 pages

Bulgarian cosmonaut program

mathematical morphology

well-founded relation

converse relation

reflexive closure

symmetric closure

ordered vector space

complemented lattice

Szpilrajn extension theorem

finite intersection property

binary relation