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Question
Describe the following sets in set-builder form:
A = {1, 2, 3, 4, 5, 6}
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Solution
Set-builder form:
To describe a set, a variable x (each element of the set) is written inside braces. Then, after putting a colon, the common property P(x) possessed by each element of the set is written within braces.
\[(i) {x: x \in N, x < 7}\]
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