Raphael Poss

staff.science.uva.nl/~poss

Raphael Poss builds tools and programs that help people live with more dignity and agency. Founder of Q10E Labs; councillor in Diemen (D66).

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Visit staff.science.uva.nl/~poss → RSS feedOn Hacker News May 2014 – May 2014

Math & Algorithms 1

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Categories from scratch

2014133 points20 comments Math & Algorithms details

Note The latest version of this document can be found online at https://dr-knz.net/categories-from-scratch.html. Alternate formats: Source, PDF. Prologue The concept of category from mathematics happens to be useful to computer programmers in many ways. Unfortunately, all “good” explanations of categories so far have…