This episode is the fifth lecture for my course, Introduction to Philosophy. In this lecture, I discuss foundational concepts for categorical logic, specifically categorical statements and the square of opposition. If you would like to donate to support me and this podcast (no pressure!), you can do so by contributing to my Ko-Fi account or my Patreon account. Both are linked below. I greatly appreciate any and all support that you desire to offer. It truly means a lot to me and helps me out in so many ways. Give via Ko-Fi: https://ko-fi.com/andrewhollingsworth Give via Patreon: patreon.com/AndrewHollingsworth