Prove that if A has a least upper bound, then it is unique. Thus prove: If b and b' are both least upperbound of A, then b = b'.

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- Oct 26th 2009, 10:47 AMtigergirlLeast Upper bound 61.1
Prove that if A has a least upper bound, then it is unique. Thus prove: If b and b' are both least upperbound of A, then b = b'.

- Oct 26th 2009, 11:00 AMPlato