modus ponendo ponens

Borrowed from Latin modus ponendo ponens (roughly, “mode where affirming affirms”).

modus ponendo ponens (uncountable)

1. (philosophy, logic) A valid form of argument in which the antecedent of a conditional proposition is affirmed, thereby entailing the affirmation of the consequent. Modus ponendo ponens has the form:

   1. If P, then Q.

   2. P.

   3. Therefore, Q.

• modus ponens (less precise)

• inference rule
• See also Thesaurus:argument form

• modus ponendo tollens
• modus tollendo ponens
• modus tollendo tollens