Made my day

https://youtu.be/XGysPJvCXOc
For some reason, understanding adjoints helped me better understand products, coproducts, pullbacks and pushouts. Maybe it's because of a specific application that I can play with to test various concepts against a version of relevant reality.
upd. also see https://youtu.be/BqRkULEhG40?t=6m15s
no subject
(Anonymous) 2018-02-10 05:28 am (UTC)(link)no subject