Believe it or not there once was a popular song with this title. Of course, they were not singing about Rene Descartes the philosopher. I chose this title because there is a real sense in which it applies to the epistemological efforts of Rene Descartes. He started by trying to find out if there is…

The pre-Socratic philosopher Parmenides (c.500 BCE) had a disciple named Zeno who worked at proving Parmenides’ theories to be true. He offered four paradoxes with which to prove that the idea of change and sense perception are logical fictions. His main contention was that the idea of motion is illogical. See what you think of…