Suppose that b is an upper bound for a set S of real numbers. Prove that if b E S, then b = lub S.
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Originally Posted by WartonMorton Suppose that b is an upper bound for a set S of real numbers. Prove that if b E S, then b = lub S. Assume Set so, by assumption. Then, since is an upper bound, and is the Therefore
Last edited by Anonymous1; April 4th 2010 at 11:37 PM.
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very helpful. clean/crisp explantation. thank you.
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