syllogism

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
  • In the more technical areas of philosophy — logic, especially — there’s enough agreement about what are the core ideas students should know that instruction does largely proceed via textbook.
    Big Think, Big Think, 6 Nov. 2025
  • All those financial resources enhance the logic behind expensive projects like desalinating seawater and transporting it, desalinating local brackish groundwater or acquiring surplus water from some limited areas in California.
    Austin Corona, AZCentral.com, 6 Nov. 2025
Noun
  • Yet correct answers on benchmarks like GSM8K do not necessarily mean the model is actually engaging in mathematical reasoning, study author Mahdi said.
    Jared Perlo, NBC news, 6 Nov. 2025
  • With this reasoning, the Court ruled against Scott and legalized slavery in the territories by overturning the Missouri Compromise.
    Equal Justice Initiative, USA Today, 6 Nov. 2025
Noun
  • Improves Skin Health Vitamin C is important for the synthesis of collagen, which can impact the elasticity of the skin.
    Barbie Cervoni, Verywell Health, 7 Nov. 2025
  • Protein supplements may help improve endurance and resistance training by supporting muscle protein synthesis.
    Chelsea Rae Bourgeois, Health, 4 Nov. 2025

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Cite this Entry

“Syllogism.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/syllogism. Accessed 16 Nov. 2025.

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