Real Analysis question.
Let S be an ordered set and AC S. Suppose that b is an upper bound for A and b E A. Prove that b sup A.
Let S be an ordered set and AC S. Suppose that b is an upper bound for A and b E A. Prove that b sup A.
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Let S be an ordered set and AC S. Suppose that b is an upper bound for A and b E A. Prove that b sup A.
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