Talk:Field Norm of Complex Number is Positive Definite

$N$ does not satisfy (N3) (Triangle Inequality), e.g.
 * $\map N {1 + 1} = \map N 2 = 2^2 = 4 > 2 = 1 + 1 = 1^2 + 1^2 = \map N 1 + \map N 1$

—Leigh.Samphier (talk) 06:57, 4 April 2019 (EDT)