My 5-year-old nephew once confidently told me that all dinosaurs were green because his three dinosaur toys were green. So I showed him a nature documentary, Walking with Dinosaurs, and suddenly, ...

"I strongly object to wrong arguments on the right side," said GK Chesterton. "I think I object to them more than to the wrong arguments on the wrong side." Arguments are attempts to persuade by ...

Catalog description: Introduction to deductive logic. Topics include: basic concepts of deductive logic; techniques of formal proof in propositional and predicate logic. 3 units. Prerequisites: No ...