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October 1, 2025

Category Theory Illustrated - Natural Transformations

Hello everyone,

Soo, I finally finished the chapter on natural transformations (https://abuseofnotation.github.io/category-theory-illustrated/11_natural_transformations/)

I didn't write anything about limits, as I intended to, but the chapter was already 10 000 words long, so I decided to publish a dedicated chapter on them, later on.

Although many things are still missing, this is the first version of the book that I can call finished.

There are other book updates as well, I rewrote the whole text using AI!

Joking, some mistakes are corrected and I also included answers to all exercises in the full version.

Ah, there are also some new essays on my blog https://abuseofnotation.github.io/

Cheers.

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