i am sorry you are not getting it.
i am talking about the edge where math breaks down. (and just trying to use small numbers to illustrate it)

Have you seen mathematical proofs that show that
1 = -1 ?

Of course, 1 does not equal -1.
However, there are edges where math breaks down.

The only really known one is division by zero.
But there are many more.

∞ >> (much greater than) all the atoms in the universe

When we are talking about a number that is so large, its hard to imagine, but then compare it to a number that dwarfs it, we get unrealistic results.

# of atoms in universe
------------------------------- = zero
       ∞ (infinity)

Or, mathematically speaking, there are no atoms in the universe.

Mathematics, in order to be useful to scientists has to be calibrated to the universe.