middle term

Syllogism's linking concept

In logic, the middle term is the term that appears in both premises of a syllogism but not in the conclusion.

It serves as the link connecting the other two terms: in "All mammals are warm-blooded; all dogs are mammals; therefore all dogs are warm-blooded," the middle term is "mammals." More loosely, a middle term is any intermediate element that connects two things or ideas.

syllogism

premise

Foundation for logical argument

categorical · universal · particular · affirmation · negation · distribution · syllogistic · deduction · predicate · subject

Categories
Opposites
syllogistic role

middle termconclusion

End or deduction

structural position

middle termextreme

Furthest from moderate

endpoint · terminus · periphery · end point · boundary

extremity vs. mediation

middle termterminal

At the endpoint

endpoint · first term · last term

Family

term, middle, medium, terminal, mid, terminate, middling, midterm, midfielder

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