five lemma

noun

A particular lemma that claims the existence of a particular isomorphism in a commutative diagram given certain other homomorphisms in the diagram.

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Meanings

nounthe five lemma
  1. singularsingular onlymathematicsA particular lemma that claims the existence of a particular isomorphism in a commutative diagram given certain other homomorphisms in the diagram.
Cite this entry
APA

five lemma. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/five%20lemma

MLA

“five lemma.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/five%20lemma. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “five lemma,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/five%20lemma.

Source: five lemma on Wiktionary, CC BY-SA 4.0.