**Paul Erdos**, one of the most prolific mathematicians of all time accused God whom he called the “Supreme Fascist” of hiding the most elegant proofs for himself in *The Book*. When he saw a beautiful mathematical proof, he would exclaim “This one’s from *The Book.*” This inspired me to give this blog the title “Proofs From the Book*.”

**Proofs From The Book** will celebrate the beauty and elegance of mathematical theorems discussed in school mathematics and their proofs. I made this blog for middle school and high school mathematics students who want to study beyond the formulas. I will explain the theorems and their proofs as clear and as layman as possible — well, hopefully. I will be starting with the most simple and easiest theorems and their proofs but the complexity will increase as we go on. I will discuss proof strategies such as direct and indirect proofs. In addition, I might also discuss proofs in undergraduate mathematics, but only proofs that are accessible to advanced high school mathematics students.

The topics that I will discuss in this blog will include algebra, geometry, trigonometry, number theory, set theory, and elementary calculus.

**Note: Shortly after I chose the name of this blog, I discovered a published book of the same title also exists.*

How come I didn’t know of this when I was still in HS. Good job!

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Just wanted to say how much I like your site. Its the best. Many thanks