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| | justinhj.github.io
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| | What's in this post?
| | cronokirby.com
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| | Exploring 3 different ways of encoding the natural numbers - Read more: https://cronokirby.com/posts/2020/08/encoding-the-naturals/
| | bartoszmilewski.com
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| | This is part 13 of Categories for Programmers. Previously: Limits and Colimits. See the Table of Contents. Monoids are an important concept in both category theory and in programming. Categories correspond to strongly typed languages, monoids to untyped languages. That's because in a monoid you can compose any two arrows, just as in an untyped...
| | dominiczypen.wordpress.com
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| The starting point of this blog post is a slight reformulation of the $latex T_0$ separation axiom: A topological space $latex (X,\tau)$ is $latex T_0$ if for all $latex x\neq y\in X$ there is a set $latex U\in \tau$ such that $latex \{x,y\}\cap U \neq \emptyset \text{ and } \{x,y\}\not\subseteq U.$ Given a cardinal $latex...