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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Example Sentences

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
  • The climactic scenes toy with the blurred lines between hallucination and reality, but the logic falls apart; threads like Hana’s rash decision to undertake a dangerous surgical fix virtually evaporate without much payoff.
    David Rooney, HollywoodReporter, 3 Feb. 2026
  • Visit our website Abroad, the same logic has unfolded with fewer restraints.
    Alejandro Reyes, Washington Post, 3 Feb. 2026
Noun
  • In the weeks leading up his 2024 election, Nanos reportedly placed his opponent Lappin, a lieutenant at the Pima County Jail, on administrative leave, ordering her not to discuss the reasoning for his decision.
    Peter D'Abrosca, FOXNews.com, 5 Feb. 2026
  • Operators can intervene at the reasoning level or take direct control of movement.
    Aamir Khollam, Interesting Engineering, 5 Feb. 2026
Noun
  • Leucine helps trigger muscle protein synthesis.
    Lindsey DeSoto, Health, 30 Jan. 2026
  • Three common ways to expand on your work being presented by your boss is to clarify the details, offer additional evidence, or provide your synthesis.
    Chris Lipp, Forbes.com, 29 Jan. 2026

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Cite this Entry

“Syllogism.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/syllogism. Accessed 11 Feb. 2026.

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