(August 25, 2015 at 11:55 am)lkingpinl Wrote: "We will never be in a position to detect another universe nor to rule them out. Doesn't mean they're not there however."
How does this acceptance of other universes differ from accepting the possibility of a Deity? It can easily be argued that we will never be in a position to detect God or rule God out, doesn't mean God isn't there however. I'm not talking a personal God at this point, just the possibility of a Deity, by using the same logic you provided here.
Assuming you think a deity is something supernatural, there you go: difference #1.
Difference #2: there is no implications for our lives if no other universe exists or if they are infinite in number.
Difference #3: the existence of what is natural at a greater scale than that of which we are or can be aware is not at all a supernatural idea. The impossibility of knowing a thing is hardly reason to classify it as supernatural.