dragon
you also don't know if all such outside universes are contingent on a greater universeno it is not. There are different perceptions of reality. We are following laws of universe because we are within it, we can not define that which is outside ourselves because we are limited by our own laws.
Even when we will discover all that is to learn of our universe...we will not be able to know other universes.
An analogy would be:
A pencil would not be able to _____ of a .