> No you just need to know if you have a power or a root-power quantity. Which should generally be obvious. There has to be a Yogi Berra witticism about obviou

> No you just need to know if you have a power or a root-power quantity. Which should generally be obvious. There has to be a Yogi Berra witticism about obvious things. Suffice to say fools like me work unadvisedly in spaces where this kind of axiom isn't obvious, because we're simpletons.