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.

All objects in flight are aerodynamic
Some kites are not objects in flight
Therefore, some kites are aerodynamic
Valid or invalid?


Really Deep Thought

A woman does not want the truth; what is truth to women? From the beginning, nothing has been more alien, repugnant, and hostile to woman than the truth - her great art is the lie, her highest concern is mere appearance and beauty.
   --Friedrich Nietzsche.


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