# What is the result of \infty – \infty\infty – \infty?

I would say $$\infty – \infty=0\infty - \infty=0$$ because even though $$\infty\infty$$ is an undetermined number, $$\infty = \infty\infty = \infty$$. So $$\infty-\infty=0\infty-\infty=0$$.

Then I give you all of them. I would have none left, so $\infty - \infty = 0$
On the other hand, if I give you all of the odd-numbered ones, then I still have an infinite number left. So $\infty - \infty = \infty$.
Now suppose that I give you all of them except for the first seven. Then $\infty - \infty = 7$.