Kill the Mathematical Hydra | Infinite Series

by Super User, 7 years ago
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How do you defeat a creature that grows two heads for every one head you chop off? You do the math. Thanks to The Great Courses Plus for sponsoring this episode of Infinite Series. Try a 30 day trial of The Great Course Plus at

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Previous Episode - Singularities Explained

Previous Episode - A Hierarchy of Infinities

Mathematician Kelsey Houston-Edwards explains how to defeat a seemingly undefeatable monster using a rather unexpected mathematical proof. In this episode you’ll see mathematician vs monster, thought vs ferocity, cardinal vs ordinal. You won’t want to miss it.

Written and Hosted by Kelsey Houston-Edwards
Produced by Rusty Ward
Graphics by Ray Lux
Made by Kornhaber Brown (

Comments answered by Kelsey:

Lucid Moses

Lorenz Zahn