Question: Question 4. a) Consider a subset X an order relation S'on N by m n m | n for m, n N. (Recall that

Question 4. a) Consider a subset X {2,4,5,7,8,9,10,21} of the set of natural numbers N. Define an order relation. Son N by m

Question 4. a) Consider a subset X an order relation S'on N by m n m | n for m, n N. (Recall that m | n when n = mk for some k N). = Question 5. Consider the set (2, 4, 5, 7, 8, 9, 10, 21) of the set of natural numbers N. Define i) Find all the maximal and minimal elements of (X,

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Answer 1 a Let X 159101217 be a set of integers i The greatest element in X is 17 and the least element in X is 1 ii The supremum of X is 17 and the infimum of X is 1 b Let X and Y be sets Prove that ... View full answer

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