Source: /cirosantilli/nlab

= NLab
{c}
{wiki}

https://ncatlab.org

Decent encyclopedia of mathematics. Not much motivation, mostly statements though.

Created by:
* <John Baez>
* David Corfield
* Urs Schreiber

Unlike <Wikipedia>, they have a more sane forum commenting system, e.g. a page/forum pair:
* https://ncatlab.org/nlab/show/derivator
* https://nforum.ncatlab.org/discussion/887/derivator/