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.

Some potatoes are not fruit
Some fruit are not oranges
Therefore, some oranges are not potatoes
Valid or invalid?


Really Deep Thought

How loth were we to give up our pious belief in ghosts and witches, because we liked to persecute the one, and frighten ourselves to death with the other!
   --William Hazlitt.


| Privacy Policy | Contact Us | Baking Calculator | ©2025