Dinosaur Meme

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?


Really Deep Thought

What experience and history teach us is this - that people and governments have never learned anything from history, or acted upon any lessons they might have drawn from it.
   --Georg Hegel.


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