nLab is the only place I understand category theory. It makes no sense anywhere else and I’ve tried. nLab is a magical land where I can say with full confidence: I UNDERSTAND EVERY COMPLETE LATTICE NOW and ANYTHING even REMOTELY related to COMPLETE LATTICE including what’s nearly absolutely NOT a COMPLETE LATTICE involving something with fibers and infinities – yet it still connects….
>.and I can point to nLab and say FOLLOW THE HYPERLINKS.
But outside of it? No idea.