Out of curiosity: How did you get started with the topic?
I didn't know it and it seems a lot interesting!
I found the topic a long time ago when I was implementing tagging for a CMS. I was googling for design patterns for categories/tags and stumbled on to category theory. I read an introduction and was hooked as it claimed to be the mother of all abstraction. I started studying the topic using the book and videos linked in the article. I just read and re-read, watch, and re-watch until I'm less confused about each chapter haha.
Do you have a link to this article? I'm thinking of implementing a tagging system myself and was thinking that tags themselves should be more like the tagged things, just like how you say a category could itself be an arrow.
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