Bourbaki's Definition of Cardinality

I was recently reading through Bourbaki's "Theory of Sets", and found their definition of cardinality hilarious. In this video, I talk about who Bourbaki was and why I found this definition funny, by talking about how we define cardinality today. Read more on Bourbaki: https://en.wikipedia.org/wiki/Nicolas... https://planetmath.org/BourbakiNicolas For more history of the concept of equipotency: https://en.wikipedia.org/wiki/Hume%27... Photo of Bourbaki is: https://commons.wikimedia.org/wiki/Fi..., by DC, CC BY-SA 4.0 Large Cardinal image: https://commons.wikimedia.org/wiki/Fi..., Public Domain