| Devlin's book According to Keith Devlin in his book 'The language of Mathematics: Making the Invisible Visible' page 134, the imaginary exponent of imaginary number is real.
__________________ Time independence: [∂E(g)]²=[∂F(a)×∂r(a)]·[∂F(b)×∂r(b)] and Mass independence: ¶a(t)·¶r(t)=c² |