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
  • As fake dating logic dictates, proximity (and, blessedly, only one bed) leads to very real feelings.
    Erin La Rosa, Los Angeles Times, 12 May 2026
  • There’s sort of a Möbius strip of logic there.
    Damon Wise, Deadline, 12 May 2026
Noun
  • Sophisticated as chatbots’ responses may be, they are stitched together from statistical patterns in large datasets—an impressive trick but one that still falls short of the breadth and reliability in human-level clinical reasoning.
    Cody Cottier, Scientific American, 15 May 2026
  • Here’s the reasoning behind those picks.
    Tim Britton, New York Times, 15 May 2026
Noun
  • The report has no binding value and is merely a synthesis of deliberations.
    ABC News, ABC News, 9 May 2026
  • However, researchers said conventional synthesis methods leave behind inorganic salt impurities that interfere with performance evaluation and material efficiency.
    Neetika Walter, Interesting Engineering, 8 May 2026

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Cite this Entry

“Syllogism.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/syllogism. Accessed 18 May. 2026.

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