Definition of middle term in English:

middle term

Line breaks: mid¦dle term

noun

Logic
  • The term common to both premises of a syllogism.
    More example sentences
    • In the latter, the syllogisms involved must have middle terms that are causes of the state of affairs which is to be demonstrated.
    • The reduction of propositions to principles leads to the middle term.
    • Thomas Aquinas argued that the highest sort of demonstration had as its middle term the real definition of the subject term.

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