How many people do you need to put in a room to make sure four of them are either all friends or all not friends? Why does anyone care about numbers like Graham's Number, which way are too big to have any physical relevance? Ramsey theory is the study of how particular structures always emerge in sufficiently large clusters of randomness. Learn the answers to these questions and more!

What's the biggest number you know? 6? A million? A googolplex? In this class, we'll talk about ways to describe way bigger numbers.