perfect set

noun

A set which is equal to its set of limit points. That is, a set A is perfect if A'=A.

“The Cantor set is perfect.”

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Meanings

nounperfect set (plural perfect sets)

plural perfect sets

  1. mathematical analysisA set which is equal to its set of limit points. That is, a set A is perfect if A'=A.

    The Cantor set is perfect.

Cite this entry
APA

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

MLA

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

Chicago

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

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