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Question
List all the elements of the following set:
B = `{x : x "is an integer", -1/2 < x < 9/2}`
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Solution
B = `{x : x "is an integer", -1/2 < x < 9/2}`
It can be seen that `-1/2 = -0.5 and 9/2 = 4.5`
∴ B = {0, 1, 2, 3, 4}
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