🎴 Flashcard Mode

Propositional Logic: Logical Arguments and Validity

Card1 / 15
Mastered0
Review0
QuestionClick to flip

Which of the following is a logically valid argument form?

AnswerClick to flip back
A
If P, then Q. Not Q. Therefore, not P.
💡 Explanation:

This argument form is known as modus tollens and is logically valid because if the antecedent (P) is true and the consequent (Q) is false, then the negation of the antecedent (not P) must be true.

Change Mode