(LII) Boole, Aristotle, and Existential Force

Here's a complete discussion of the relative merits of Boolean and Aristotelian assumptions about existential force in categorical propositions.

(LII) Amphiddle?

Remember this old riddle?

I have 30 cents in two U.S. coins, but one is not a nickel. How is that possible?

It occurred to me the other day (while listening to my daughter read the riddle) that the riddle is a type of amphiboly.

(LII) Informal Fallacies

Dr. Charles Ess offers this helpful approach to informal fallacy avoidance.

(AP) Defining Philosophy

Some nice thoughts on the nature, value, and purpose of philosophy from Dr. Bob Zunjic.