/sci/ - Science & Math

>>8409121
Only fringe people will forbid you to use sets, they form an important category.

>>8409726
Bullshit. "Category theory" in-of-itself is exhausted in MacLanes book. Say when you've set up adjoints. But that's like saying writing in-of-itself is exhausted once you consider all combinations of letters, making for words.
But to even understand the algebra and topology as written down by this prominent bloke
https://en.wikipedia.org/wiki/Jacob_Lurie
you need a shitton of working knowledge with category theory and there are much more than 100 people following work along his lines alone.