Assume (an) and (bn) are Cauchy sequences. Use a triangle inequality argument to prove cn = |an - bn| is Cauchy.

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- Oct 22nd 2008, 07:08 PMajj86Real Analysis - The Cauchy Criterion
Assume (an) and (bn) are Cauchy sequences. Use a triangle inequality argument to prove cn = |an - bn| is Cauchy.

- Oct 22nd 2008, 11:49 PMMoo