Every time I read something to try and learn more about Category Theory, I come away unimpressed. It just always seems like vapid nonsense.
— Jonathan Blow (@Jonathan_Blow) July 8, 2023
If I were to read one and only one book (or paper/video/etc) to convince myself that category theory is good, what should it be?
Can we get a jonathon blow crying while solja boy is laughing marsey?
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because it's not useful for programming, it was developed for use in advanced mathematics (eg algebraic geometry) and later repurposed by r-slurs to make their programming languages sound more intellectual
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Pretty much this. Category theory is useful in mathematics because as, it turns out, a lot of things in various subfields of mathematics (complex analysis, topology, abstract algebra, number theory) are simply reformulations of the same underlying principle in different contexts. You can reformat everything in Euclid's geometry as statements in linear algebra, if you so choose. Category theory provides a useful bridge between these diverse areas. If you establish the proper isomorphisms between objects in category theory, you know properties that were easy to prove in one subfield of mathematics are now true in a different area where the proof of these properties might be much more difficult.
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