Oh ok Simmons
4d 6h ago by mander.xyz/u/fossilesque in science_memes@mander.xyz from mander.xyz
What's really ridiculous here is how this image was cropped
This is either in a category theory book or was written by someone who is going to fucking hate category theory
Looks like a category theory book. And they're right: using A to notate the identity arrow is ridiculous.
Ah category theory. You know i honestly think the only reason it’s so difficult to learn is not the idea but the jargon/notation-conventions
What book is this from?
Found it! It's from pg. 3 of An Introduction to Category Theory (2011) by Harold Simmons.
Fight Club