syllogism

Definition of syllogismnext
as in logic
formal a formal argument that is formed by two statements and a conclusion which must be true if the two statements are true An example of a syllogism is: "All men are human; all humans are mortal; therefore all men are mortal."

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of syllogism The syllogism works only with two premises and a conclusion. The Lost Women Of Science Initiative, Scientific American, 30 Nov. 2023 The ability to count indefinitely beyond fingers or body parts; to read, write, store, and learn ideas through text; the tendency to reason abstractly with syllogisms and enthymemes and approximations of formal logic – all were tools for thinking that were culturally created and then transmitted. Michael Muthukrishna, Fortune, 31 Oct. 2023 This syllogism is embraced by many Democrats, who are determined to recapture an industrial working-class base, and many Republicans, who use it as evidence that the government has sold out American workers in the heartland. Adam S. Posen, Foreign Affairs, 20 Apr. 2021 Twitter users often accept a flawed syllogism by using a conclusion as one of the premises – namely, that the platform spreads truthful information. Aaron Duncan, The Conversation, 29 Oct. 2020 Chairman Xi will undoubtedly want to prevent this syllogism from presenting itself to the minds of Chinese Christians. Cameron Hilditch, National Review, 1 Oct. 2020 The syllogism runs something like this: Jews, regardless of their American citizenship, owe loyalty to Israel. Los Angeles Times, 23 Aug. 2019 Realizing Santa wasn't real made the syllogism obvious. Phil Plait, Discover Magazine, 31 Dec. 2010
Recent Examples of Synonyms for syllogism
Noun
  • But Richard Kreitner said there is a certain logic behind secession movements, as governments from Washington to the statehouse are seen as increasingly unresponsive and dysfunctional.
    Mark Z. Barabak, Mercury News, 14 Apr. 2026
  • An extremely fragile veneer of post-racial logic blankets these spiky romances, which take place in conspicuously progressive cities.
    Doreen St. Félix, New Yorker, 14 Apr. 2026
Noun
  • The cognitive workout chess provides includes reasoning, calculation, memory, visualization, and assessment skills.
    Sara Hansen, Denver Post, 17 Apr. 2026
  • Thinking digs into more complex problems that need stronger reasoning.
    Kurt Knutsson, FOXNews.com, 17 Apr. 2026
Noun
  • Mazin Gilbert was a pioneer in speech recognition and speech synthesis, garnering over 200 patents.
    Thomas C. Zambito, USA Today, 15 Apr. 2026
  • Beyond muscles themselves, collagen synthesis depends heavily on protein intake.
    William Jones, Ascend Agency, 13 Apr. 2026

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Cite this Entry

“Syllogism.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/syllogism. Accessed 20 Apr. 2026.

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