The Multiple Universe Argument
Imagine two universes, one within which you reside, and can die and ferment within the ground till you're nothing.
In the other, your anatomy can die and ferment. However another system allows your conscience to continue and exist; but, this can be not observable in any way from among the set of particles that are the "physical" world (basically, the slice of the universe within which the body exists).
this needs that the "spiritual" world (the slice within which there's a mind) does two things: one, it should replicate the physical brain utterly and be synchronised with it, and two, that it cannot have an effect on the "physical" world in any approach.
Now, there are infinitely many attainable variations of the second universe in question (and well, of the primary too. However, we'll ignore that for now). Something among either world is, by very definition, in each of them simultaneously.
Spirituality With The Physical World
Now, once your (let's outline "you" because the network of interactions occurring in your brain) body dies, this superposition is broken, since the death of the primary body is, to your perspective, an observation that defines that universe is real.
Once this happens, we tend to get one universe wherever you still exist, and one wherever you do not. However you continue to live in one of them, do not you? This suggests that no matter "you" is left can still expertise the (infinite set of) universe(s) within which you continue to exist!
Flipside To The Argument
The major downside I even have together with the argument, assumptive I comprehend it accurately, is that it's not possible for one person to be physically located in two entirely different places at a constant time.
If there are an infinite variety of universes, then it's going to be that there is an individual in one in all them who shares an identical history with another person in another universe, appearance similar to them, consists of constant variety of atoms, etc. they may be alike in completely every single way except their location in two totally different universes. However, they might not truly be the same person. They might be distinct persons.
They Are No Longer The Same Person!
This is true by the law of identity and therefore the indiscernibility of identicals. If A and B were a constant person, then no matter is true concerning one is also true concerning the opposite and the other way around. However if A is found in Universe W, and B is found in Universe U, then A and B can't be the same person no matter what proportion alike they're in every other way.
So it's attainable for an individual to die since their death isn't affected by anything that happens in any other universe. If I die in this universe, and some exact duplicate of me dies in another universe, I am still dead. Moreover, the duplicate of me within the different universe can then begin to possess experiences that I cannot have since I've died. At that time, our histories diverge, giving more proof that we tend to can't be the same person.