Question

If S = {integers} and subset B = {positive integers}, what is B'?

Answer 1

Its not clear what the question is asking for

Answer 2

That a B prime?

Answer 3

i honestly have no clue...

Answer 4

Do they want \[S = B \cup B'\]

Answer 5

{…,−3, −2, −1}

{integers}

{ }

{1, 2, 3, 4, …}

thats my options

Answer 6

probably the negative integers

Answer 7

But that will miss 0

Answer 8

The complement (if that's what the ' means) of the set of positive integers (in S) is the set of negative integers (in S)

Answer 9

That's wrong, the complement would include 0. So if it is the complement then none of the answers are correct.

Answer 10

Are you sure one of the answers wasn't {..., -3, -2, -1, 0}?

Answer 11

Quite right, I was thinking of odds and evens, apologies.