Question: Exercise 1 Let X and Y be any two sets, and let |X| and IYI be their sizes. What is the size of each of

Exercise 1

Let X and Y be any two sets, and let |X| and IYI be their sizes. What is the size of each of the following sets? If you cannot determine the answer exactly, try to give upper and lower bounds.

a. X u Y

b. x * y

c. X^n

d. X*

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