A Tour of the Real Numbers
In this video we'll discuss what natural numbers, integers, rational and real numbers are and what properties these different numbers have.
Chapters:
0:00 - Introduction
2:18 - Natural Numbers
3:59 - Integers
4:29 - Rational Numbers
6:00 - Irrational Numbers
7:14 - Square root of 2 is irrational (proof by contradiction)
9:11 - Real Numbers
The product links below are Amazon affiliate links. If you buy certain products on Amazon soon after clicking them, I may receive a commission. The price is the same for you, but it does help to support the channel :-)
As mentioned in the video:
Alex’s Adventures in Numberland (Alex Bellos) - https://amzn.to/3HQ1AOW
Errata and Clarifications:
At 8:30, 2k/2l = k/l not 2(k/l) as shown.
The Maths Essentials series is based on the books:
Understand Pure Mathematics (Sadler & Thorning) - https://amzn.to/3nMxgNw
The Foundations of Mathematics (Stewart & Tall) - https://amzn.to/3oOS4mG
This video was made using:
Animation - Apple Keynote
Editing - DaVinci Resolve
Mic - Blue Yeti X - https://amzn.to/3nJbmdO
Supporting the Channel.
If you would like to support me in making free mathematics tutorials then you can make a small donation over at
https://www.buymeacoffee.com/DrWillWood
Thank you so much, I hope you find the content useful.
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