2009/5/10 ZeroSum <ing...@usa.net>:
> David Lewis' statement cuts to the core of the nature of
> consciousness. If each conscious observer on planet Earth (and let's
> assume the laws of physics don't limit consciousness to humans but
> includes any sentient animal life form) exists in "Many Worlds" (see
> Wiki topic on physicist "Hugh Everett III" at
> then Houston, we've got a problem.
> The human population alone is over 6 billion conscious observers. Each
> observer can cause branching into an unfathomably huge number of
> parallel universes (or perhaps an infinite number). Everyone else, in
> addition to an incomprehensibly large number of people only born in
> some parallel universes, branches into their own parallel universes,
> extrapolating logically from the "Many Worlds" theory. Each one of us
> is essentially forced to consciously exist in parallel universes that
> continue coming into existence as the result of the actions of every
> other conscious observer on this planet. Include conscious non-human
> observers (animal and who knows what else) and Houston, we've got a
> really big problem... or is it really a problem?
> Instead of using this line of thinking to debunk the "Many Worlds"
> interpretation, I think this isn't such a big problem as it initially
> For one thing, consider sleep walking.
I don't really understand what the problem is. That there are many
world in the MWI is already a given. Consciousness and quantum
immortality experiments don't create any more worlds than there
otherwise would be. In the multiverse as a whole, only a very small
number of worlds contain versions of you who survived a direct nuclear
blast. In almost all the worlds, you have died.
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