If A and B are both countably infinite then prove that is countably inifinite.
I was working on this problem with a friend and we know that this means that there is a bijection of both sets, but where do we go from there?
If A and B are both countably infinite then prove that is countably inifinite.
I was working on this problem with a friend and we know that this means that there is a bijection of both sets, but where do we go from there?