Of course they are related! A knot is a knot. It's just that mathematicians are obsessed with proving things rigorously [1], whereas the sailor just wants his s

Of course they are related! A knot is a knot. It's just that mathematicians are obsessed with proving things rigorously [1], whereas the sailor just wants his sails to hang right. [1] https://en.wikipedia.org/wiki/Perko_pair https://en.wikipedia.org/wiki/Perko_pair