Valid or Invalid? - The Syllogisms
Syllogism 1 of 15
Remember, we're interested only in whether the argument is valid; that is, whether the conclusion follows as a matter of necessity given the truth of the premises. Just select "Valid" or "Invalid" from the drop-down list below, then press Next.
No tigers are monkeys
No lions are tigers
Therefore, no lions are monkeys
Valid or invalid?