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.

Please select... Valid Invalid

Really Deep Thought

The madman jumped into their midst and pierced them with his eyes. 'Whither is God? He cried; 'I will tell you. We have killed him - you and I. All of us are his murderers.
   --Friedrich Nietzsche.