The set S contains some real numbers, according to the following three rules. (i) is in...
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The set S contains some real numbers, according to the following three rules. (i) is in S. (ii) If is in S, where is written in lowest terms (that is, a and I have highest common factor 1), then is in S. b 2a (iii) If andare in S, where they are written in lowest terms, then is in S. b+d These rules are exhaustive: if these rules do not imply that a number is in S, then that number is not in S. Can you describe which numbers are in S? For example, by (i), is in S. By (ii), since is in S, is in S. Since both andare in S, (iii) tells us 1+1 is in S. 1+2 The set S contains some real numbers, according to the following three rules. (i) is in S. (ii) If is in S, where is written in lowest terms (that is, a and I have highest common factor 1), then is in S. b 2a (iii) If andare in S, where they are written in lowest terms, then is in S. b+d These rules are exhaustive: if these rules do not imply that a number is in S, then that number is not in S. Can you describe which numbers are in S? For example, by (i), is in S. By (ii), since is in S, is in S. Since both andare in S, (iii) tells us 1+1 is in S. 1+2
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Let me think through this systematically By rule i 1 is in S By rule ii since 1 i... View the full answer
Related Book For
Introduction to Algorithms
ISBN: 978-0262033848
3rd edition
Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest
Posted Date:
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