Let be a metric space. Prove that for all :

I haven't been able to prove it, I'm sure the triangle inequality should be used but I don't know how. Thanks in advance.

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- January 7th 2012, 07:27 PMMATHNEMInequality in Metric spaces
Let be a metric space. Prove that for all :

I haven't been able to prove it, I'm sure the triangle inequality should be used but I don't know how. Thanks in advance. - January 7th 2012, 10:10 PMAlso sprach ZarathustraRe: Inequality in Metric spaces
- January 7th 2012, 10:42 PMMATHNEMRe: Inequality in Metric spaces
- January 8th 2012, 02:43 AMPlatoRe: Inequality in Metric spaces