Question

If S = {integers} and subset B = {positive integers}, what is B'?
Answer
{ }
{integers}
{1, 2, 3, 4, …}
{…,-3, -2, -1}

Answer 1

B' = set of everything that is in S... BUT excluding everything that's in B

Answer 2

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'

Answer 3

last one?

Answer 4

So if I take the integers, and kick out the positive integers, what am I left with?

Answer 5

good, you got it

Answer 6

thanks =) you actually explain it

Answer 7

np glad to help