Is it possible to write the triangle inequality in 2 ways:(adsbygoogle = window.adsbygoogle || []).push({});

1. d(x,z) <= d(x,y) + d(y,z)

2. d(x,y) <= d(x,z) + d(z,y) ?

If so, are these the only 2 ways?

Thanks

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# Triangle inequality

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