Three false proofs, and what lessons they teach.
New notebooks: https://store.dftba.com/collections/3blue1brown/products/mathematical-quotebook-notebook
Help fund future projects: https://www.patreon.com/3blue1brown
An equally valuable form of support is to simply share the videos.
Here’s a nice short video on the false pi = 4 proof
0:00 – Fake sphere proof
1:39 – Fake pi = 4 proof
5:16 – Fake proof that all triangles are isosceles
9:54 – Sphere “proof” explanation
15:09 – pi = 4 “proof” explanation
16:57 – Triangle “proof” explanation and conclusion
These animations are largely made using a custom python library, manim. See the FAQ comments here:
You can find code for specific videos and projects here:
Music by Vincent Rubinetti.
Download the music on Bandcamp:
Stream the music on Spotify:
3blue1brown is a channel about animating math, in all senses of the word animate. And you know the drill with YouTube, if you want to stay posted on new videos, subscribe: http://3b1b.co/subscribe
Various social media stuffs: