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Category Theory in Life - Eugenia Cheng

Lambda World · talk · Watch on YouTube

Pure mathematicsFunctional programmingRecreational & visual math

What it is

Eugenia Cheng gives the opening keynote at Lambda World 2017, presenting category theory as very abstract algebra whose abstraction gives it broad applicability. She applies it to everyday questions including privilege and prejudice.

Why Hacker News recommends it

HN recommends it as an accessible, gentle introduction that makes category theory feel approachable and shows its analogy-making power.

  • 3 people recommended it
  • 3 different months
  • 0 strong recommendations
  • first 2019, last 2022

What HN commenters said

  1. “Actually it can be understood relatively easily, if it's explained well”

    Explains category theory relatively easily and well.

    sunmao, 2019-04 · Recommendation · in “How category theory is applied”

  2. “To get a flavor of and gentle introduction to the analogy-making power of category theory, I recommend this talk by Eugenia Cheng”

    Gentle introduction to the analogy-making power of category theory.

    gugagore, 2021-02 · Recommendation · in “What Is Applied Category Theory? (2018)”

  3. “Eugenia Cheng has some interesting and accessible videos”

    Interesting and accessible Eugenia Cheng video on math.

    OracB7, 2022-08 · Recommendation · in “How to learn hard things in tech”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: category theory, eugenia cheng, abstraction, mathematics, functional programming

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