Question
1. If A is a set containing n elements, how many different subsets of A can be formed? Find a formula which counts the number
1. If A is a set containing n elements, how many different subsets of A can be formed? Find a formula which counts the number of subsets of A in terms of n. Keep in mind that the empty set is counted as a subset of A. Prove that your formula is correct.
2. Show that an ordered field F is Archimedean if and only if for all x, y F with x > 0 there is an n N so that nx > y.
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1 To find the number of different subsets of a set A containing n elements we can consider the follo...
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Statistical Inference
Authors: George Casella, Roger L. Berger
2nd edition
0534243126, 978-0534243128
