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bartoszmilewski.com | ||
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www.jeremykun.com
Last time we worked through some basic examples of universal properties, specifically singling out quotients, products, and coproducts. There are many many more universal properties that we will mention as we encounter them, but there is one crucial topic in category theory that we have only hinted at: functoriality. As we've repeatedly stressed, the meat of category theory is in the morphisms. One natural question one might ask is, what notion of morphism is there between categories themselves? |
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cronokirby.com
- Read more: https://cronokirby.com/posts/2020/10/categorical-graphs/ |
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jackkelly.name
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wimvanderbauwhede.codeberg.page
This is a follow-on of my article on algebraic data types, with list-based parser combinators as a practical application. |
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