According to the MWI different outcomes to a decision are epistemic and metaphysical possibilities. At least I think they are—it is hard to say for sure without a definition of what the concept of “metaphysical possibility” refers to.
To explain what I mean, according to the conventional understanding of the MWI, the world splits. There are few pasts, and many futures. e.g. see:
Thus, from any starting position, there are many possible futures—and that’s true regardless of what any embedded agents think they know or don’t know about the state of the universe.
According to the MWI different outcomes to a decision are epistemic and metaphysical possibilities. At least I think they are—it is hard to say for sure without a definition of what the concept of “metaphysical possibility” refers to.
To explain what I mean, according to the conventional understanding of the MWI, the world splits. There are few pasts, and many futures. e.g. see:
http://www.hedweb.com/everett/everett.htm#do
http://www.hedweb.com/everett/everett.htm#split
Thus, from any starting position, there are many possible futures—and that’s true regardless of what any embedded agents think they know or don’t know about the state of the universe.