As far as e goes, I would say that the true fundamental there is the function exp(z) = e^z. Then e and 1/e are just special values of that function, exp(1) and exp(-1) -- nothing to be terribly interested in.
As far as e goes, I would say that the true fundamental there is the function exp(z) = e^z. Then e and 1/e are just special values of that function, exp(1) and exp(-1) -- nothing to be terribly interested in.