[extropy-chat] Just curious, cryonicist living life in reverse

Stathis Papaioannou stathisp at gmail.com
Sat Mar 3 05:35:17 UTC 2007

On 3/3/07, Mike Dougherty <msd001 at gmail.com> wrote:

On 3/2/07, Stathis Papaioannou <stathisp at gmail.com> wrote:
> > One very thorough way of doing the shuffling is to have a computer
> generate
> > all programs via a Universal Dovetailer. If the computer runs long
> enough,
> > it will generate OM1, OM2 and OM3 and even though this is completely
> useless
> > for an external observer - they are hidden in the background randomness
> -
> > the internal observer will still experience OM1, OM2, OM3 occurring as
> if
> > arising in what we consider the usual manner.
> >
> > One complication is that the UD will generate not only OM1, OM2, OM3 but
> > every possible variation. Thus OM1 could experience as next moment OM2.1
> ,
> > OM2.2, OM2.3... each of which will have a distinct measure, or
> subjective
> > probability. The effect of this is that although the UD is perfectly
> > deterministic from the point of view of an external observer, from the
> point
> > of view of the internal observer his future is indeterminate. In form,
> this
> > matches the branchings in the many worlds interpretation of quantum
> > mechanics.
> every possible > every probability : especially within the limits of
> some optimization to reduce complexity in order to fit the capability
> of the UD.
> Sure, a purist might want to encode every possible state, but for the
> sake of project deadlines, it's usually more common to 80/20 and see
> if you can get away with it.  (or if you 80/(80/20) - it's usually
> acceptable to discount the 4%)

You probably wouldn't bother with a UD unless you had an infinite computer,
such as in Freeman Dyson's or Frank Tipler's scenarios. If you did, then you
could allocate the UD one clock cycle every zillion years and that's all you
would need.

Stathis Papaioannou
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