Conway wrote: > ....the closed universe is not infinite....but the "ultra universe" is. 0 sets your bases...0 tells your what "universe" you are living in. 0 is your point of reference for your universe and for your number line. If 0 is space, then I always have a quantity of something...therefore there is always something to divide and multiple.
I'm sure that's pretty useful. What topology is your space endowed with?