We’ve all heard the argument that you can’t prove a negative from various True Believers™ in Gods, UFOs, Big Foots (Feets?), etc.. It’s a common bit of folk logic, but is it true? Philosopher Steven D. Hales argues that it is not in a small essay titled You Can Prove a Negative:

It is widely . . . → Read More: Steven D. Hales: You Can Prove a Negative.