Made my day

[timelets]

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

Comments

[timelets]

Thank you!