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blog.sigfpe.com
| | www.jeremykun.com
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| | Previously in this series we've seen the definition of a category and a bunch of examples, basic properties of morphisms, and a first look at how to represent categories as types in ML. In this post we'll expand these ideas and introduce the notion of a universal property. We'll see examples from mathematics and write some programs which simultaneously prove certain objects have universal properties and construct the morphisms involved.
| | cronokirby.com
6.8 parsecs away

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| | - Read more: https://cronokirby.com/posts/2020/10/categorical-graphs/
| | rakhim.org
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| | [AI summary] A summary of Bartosz Milewski's talk exploring the equivalence between type theory, logic, category theory, and computer science through concepts like composition, Curry-Howard isomorphism, and continuations.
| | leanprover-community.github.io
36.9 parsecs away

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| [AI summary] A technical documentation entry for the Lean mathematical library detailing definitions and operations for semimodules, modules, matrices, linear maps, and bilinear forms