I thought the Pythagorean Theorem assumed that x and y were orthogonal? Then 2<x...

		chongli on Jan 31, 2019 \| parent \| context \| favorite \| on: Some Fundamental Theorems in Mathematics I thought the Pythagorean Theorem assumed that x and y were orthogonal? Then `2<x, y> = 0` This is such a funny coincidence, by the way. My prof literally proved the Pythagorean Theorem on inner product spaces today in class.