Re: Many-worlds (was Re: [sl4] Re: Uploads coming first would be good, right?)

From: Matt Mahoney (
Date: Sat Mar 07 2009 - 16:13:30 MST

--- On Fri, 3/6/09, Stathis Papaioannou <> wrote:

> The irreducible randomness of the first person perspective does not
> come from an inability of an observer to fully know the universe's
> state. It is easy to imagine special cases where the observer knows
> everything relevant about the experiment: at 10 AM I will be
> duplicated, one of the copies will see heads and the other copy will
> see tails. In the case of a classical coin toss in a non-branching
> universe, assigning a probability of 1/2 to heads is due to partial
> ignorance: I know how a series of past coin tosses have turned out,
> but I don't know how this particular one will turn out, for if I did I
> would assign heads a probability of either 1 or 0. But in the former
> example although I know exactly what is going to happen, I don't know
> what I'm going to experience.

You're asking the wrong question. One of you will experience heads and one will experience tails.

-- Matt Mahoney,

This archive was generated by hypermail 2.1.5 : Wed Jul 17 2013 - 04:01:04 MDT