O'Reilly logo

How to Think Like a Mathematician by Kevin Houston

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

CHAPTER 17

image

Proof

image

Do not confuse reasons which sound good with good, sound reasons.

Anon.

Mathematics is fantastic. It is a subject where we do not have to take anyone’s word or opinion. The truth is not determined by a higher authority who says ‘because I say so’, or because they saw it in a dream, the pixies at the bottom of their garden told them, or it came from some ancient mystical tradition. The truth is determined and justified with a mathematical proof.

What is a proof?

A proof is an explanation of why a statement is true. More properly ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required