Etymology

modus tollendo ponens

Today it means: A valid form of argument in which the antecedent of a conditional proposition is negated, thereby entailing the affirmation of the consequent. Modus tollendo ponens has the form Full definition →

Latin modus
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The story

  1. Latin · borrowed frommodus
  2. English todaymodus tollendo ponens

Borrowed from Latin modus tollendō pōnēns (roughly, “mode where negating confirms”).

Words from the same roots

Latinmodus all →

modemoodmoldmodalmodusmodus ponendo ponensmodus ponendo tollensmodus tollendo tollenssubjunctive mood

Etymology from Wiktionary, CC BY-SA 4.0.