modus tollendo tollens

English dictionary entry

Meanings

noun
  1. A valid form of argument in which the antecedent of a conditional proposition is infirmed, thereby entailing the infirmation of the consequent. Modus tollendo tollens has the form

Word forms

modus tollendo tollens

Etymology

Borrowed from Latin modus tollendō tollēns (roughly, “mode where infirming infirms”).

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