pigeonhole principles

A form of pigeonhole principle — The theorem which states that any partition of a finite set of n elements into m (< n) subsets (allowing empty subsets) must include a subset with two or more elements; any of certain reformulations concerning the partition of infinite sets where the cardinality of the unpartitioned set exceeds that of the partition (so there is no one-to-one correspondence).

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Meanings

noun
  1. pluralplural of pigeonhole principle
Cite this entry
APA

pigeonhole principles. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/pigeonhole%20principles

MLA

“pigeonhole principles.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pigeonhole%20principles. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “pigeonhole principles,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/pigeonhole%20principles.

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