Prove: let alpha be a lower bound of a subset

Prove: let alpha be a lower bound of a subset E of an ordered set S. If alpha exist in E, then alpha= infE(greatest lower bound
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2. asked by Ashley
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1. Prove that there is no upper bound for the set E=(2,4,6,8,....)2. Prove that there is no lower bound for the set I of
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2. asked by JAC OB254
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For sets A, B, C is a subset of U, prove or disprove (with a counter-example) the following: If A is a subset of B, B is not a
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2. asked by Ron
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What is difference between taking the lower bound and lower limit from Chebyshev's Theorem?If P(|Y- mean|) <= 1 - (1/r^2) Do we
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2. asked by Aryaa
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Write cos(-83degrees) as a function of a positive angleProve that tan^2(alpha)-1+cos^2(alpha)=tan^2(alpha)sin^2(alpha)
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2. asked by Anonymous
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(1)Given the sets A={a,b}, B={a,b,c},C= {b,c,d}. which of these sets are: (i) Equal (ii) Comparable (iii) Subset (2) Prove that
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2. asked by Matrix School 2
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Prove that the Least Upper Bound Property holds for ℝ if and only if the Greatest Lower Bound Property holds for ℝ.
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2. asked by sara
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Prove or provide a counterexample:For all sets A, B, C, if A is subset of B and B is a subset of C^c (complement of C), then A
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2. asked by David
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Hello. I want make sure im doing right step.Prove the supremum of the set A={2-1/n: n in natural number} is 3. My answer Proof:
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2. asked by Lucy
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#1: Prove or provide a counterexample:For all sets A, B, C, if A is subset of B and B is a subset of C^c (complement of C), then
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2. asked by David
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