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If S = {integers} and subset B = {positive integers}, what is B'? Answer { } {integers} {1, 2, 3, 4, …} {…,-3, -2, -1}
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B' = set of everything that is in S... BUT excluding everything that's in B
So to find B', simply start with the set S and then erase all of the elements that are found in set B to form the set B'
last one?
So if I take the integers, and kick out the positive integers, what am I left with?
good, you got it
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thanks =) you actually explain it
np glad to help
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