> Turns out there was never a call to limit numbers to living in a straight line There is no reason to limit to the plane either[0]. Or four dimensions for tha

> Turns out there was never a call to limit numbers to living in a straight line There is no reason to limit to the plane either[0]. Or four dimensions for that matter[1]. Complex numbers have ways in which they are "more fundamental" than quaternions in the same ways that reals are "more fundamental" than complex numbers. [0] https://en.wikipedia.org/wiki/Quaternion https://en.wikipedia.org/wiki/Quaternion [1] https://en.wikipedia.org/wiki/Octonion https://en.wikipedia.org/wiki/Octonion