modus tollendo tollens

短语

释义与例句

n.
  1. 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

    不可数 数学 哲学

    1. If non-P, then non-Q.

    2. non-P.

    3. Therefore, non-Q.

词源

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

来源：wiktionary