modus ponendo 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 affirmed, thereby entailing the infirmation of the consequent. Modus ponendo tollens has the form

    不可数 数学 哲学

    1. If P, then non-Q.

    3. Therefore, non-Q.

词源

Borrowed from Latin modus pōnendō tollens (roughly, “mode where affirming infirms”).

来源：wiktionary