Axiom of Regularity
Definition Let’s talk about the Axiom of Regularity, which you can also call the Axiom of Foundation. It’s a basic idea in set theory, a part of math that deals with collections of objects called sets. Here’s the first simple way to think about it: if you have a bunch of different boxes and none of them can fit inside themselves. Why? Because a box is too big to fit inside itself – just like... »