Valid or Invalid - the Questions

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 bloggers are insufferable
Some writers are not insufferable
Therefore, some writers are not bloggers

Valid or invalid?

Really Deep Thought

Did you know that Schopenhauer refused to talk to his mother for the last 24 years of her life but profoundly mourned the death of his dog?
--Carlin Romano.