Let e>0 and let Be(r),Be(s) denote the open balls of radius e centered at r,s with respect to the p-adic metric. Prove that if r is an element of Be(s), then Be(s)=Be(r).(adsbygoogle = window.adsbygoogle || []).push({});

Can someone show me how to use the strong triangle inequality to do this?

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# Metric Space Question

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