Elementary Mathematics

Here you’ll find some beautiful mathematical ideas. You don’t need any prior knowledge of mathematics to understand most of them.

Chapter 1 · Set theory · August 21, 2021 What is infinity? How big are infinities? Why are some infinities bigger than others? Are there more real numbers than natural numbers? How can a plane and a line have the same number of points on them? We will look for answers to these questions and dive into the ocean of infinitely many different infinities. Read the chapter