1 + 1 != 2 if the 1s are magnitudes of vectors - if the directions are opposite,... | Hacker News

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		richbradshaw on Oct 27, 2012 \| parent \| context \| favorite \| on: The Future of Markdown 1 + 1 != 2 if the 1s are magnitudes of vectors - if the directions are opposite, then they can be 0. In fact, 0 <= 1 + 1 <= 2 in that system.

Dylan16807 on Oct 31, 2012 [–]

That's not how addition works. You're either adding the vectors or you're adding the magnitudes. You don't get to sleight of hand by writing one and adding the other.

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