/sci/ - Science & Math » Thread #13694915

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Anonymous Wed 29 Sep 02:02:55 2021 No.13694915 View Reply Original Report

Quoted By: >>13694919 >>13694929 >>13696355

What the fuck is Yoneda lemma?

Anonymous

Anonymous Wed 29 Sep 2021 02:03:38 No.13694919 Report

Quoted By:

>>13694915
I don't know. Something about natural transformations.

Anonymous

Anonymous Wed 29 Sep 2021 02:11:41 No.13694929 Report

Quoted By:

>>13694915
yoneda know it

Anonymous

Anonymous Wed 29 Sep 2021 02:36:47 No.13694979 Report

Quoted By:

https://www.youtube.com/watch?v=PVDKhxLTGzc

Anonymous

Anonymous Wed 29 Sep 2021 13:32:58 No.13696343 Report

Quoted By:

I'm glad they introduce it so early in any intro to category theory, so every student can see how useless category theory is and that it's not worth pursuing.

Anonymous

Anonymous Wed 29 Sep 2021 13:39:48 No.13696355 Report

Quoted By:

>>13694915
It's the following statement $\text{Hom}(\text{Hom}(a, \cdot), \text{Hom}(b, \cdot)) \approx \text{Hom}(b, a)$

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