Are those two things really homeomorphic? A topologist’s arse has a hole running all the way through it, but a pit in the ground’s only open at one end. You might say: go far enough into a bottom and eventually you reach a hole; go far enough into a hole and eventually you reach a bottom.
Are those two things really homeomorphic? A topologist’s arse has a hole running all the way through it, but a pit in the ground’s only open at one end. You might say: go far enough into a bottom and eventually you reach a hole; go far enough into a hole and eventually you reach a bottom.
(Sorry. I’ll go to bed now.)