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Think of a triangle. The third side can't be longer than the combination of the other two sides.spiral, how is mod(z1-z2) greater than or equal to the mod(z1-z2)?
Yeah, my bad, I meant "can't be longer". But yes, that concept.Wait, no, wikipedia says the opposite.
http://en.wikipedia.org/wiki/Triangle_inequality
This one: http://en.wikipedia.org/wiki/Triangle_inequality#Example_normsIf so, then I think spiralflex made a mistake?