Fact
Fact noun - The quality of being actual.
Lemma
Lemma noun - A subsidiary proposition that is assumed to be true in order to prove another proposition.
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Synonyms for Lemma
Both words in one sentence
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Hungerford's textbook Algebra calls the fact that (x + y)^2 = x^2 + y^2 is a commutative ring of characteristic 2 the "Freshman's Dream Lemma".
Source: Textbook Humor
Cite this Source
Lemma and Fact. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/fact/lemma
Fact & Lemma. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/fact/lemma>.
Lemma or Fact. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/fact/lemma.
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