upper set

noun

A subset of a poset which contains any ascending chain which starts at any element of itself.

Similar
upset
Opposite
lower set
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Meanings

nounupper set (plural upper sets)

plural upper sets

  1. mathematicsA subset of a poset which contains any ascending chain which starts at any element of itself.

    Synonyms: upset

Synonyms & antonyms

nounA subset of a poset which contains any ascending chain which starts at any element of itself.

Similar
upset
Opposite
lower set
Cite this entry
APA

upper set. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/upper%20set

MLA

“upper set.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/upper%20set. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “upper set,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/upper%20set.

Source: upper set on Wiktionary, CC BY-SA 4.0.