On 28 Feb 2012, at 21:35, Terren Suydam wrote:

On Tue, Feb 28, 2012 at 2:23 PM, Stephen P. King <stephe...@charter.net > wrote:
On 2/28/2012 10:46 AM, Terren Suydam wrote:

On Tue, Feb 28, 2012 at 5:47 AM, Bruno Marchal<marc...@ulb.ac.be> wrote:

When we are dreaming we are in a higher level relative
emulation (all UMs can do that).

That's confusing. I find it hard to believe a bacteria can dream. The UM implemented by a bacteria could *potentially* run any program, but
it is *actually* running the bacteria program. To suggest that
bacteria (e.g. one of the class of "all UMs") can dream by virtue of
being definable as a UM generates more confusion than clarity.

Put another way, if a particularly instantiated UM possesses the
ability to dream (to imagine), then that says something non-trivial
about the constitution of that UM's cognitive architecture.


Hi Terren,

If a bacterium is a physical system capable of implementing a universal Turing machine aka the particular bacteria's program, then Bruno's argument shows that it will necessarily be able to dream, for what are dreams if not
alternative TMs running on the same hardware via dovetailing?



Dreaming in the context of Bruno's remark means that the running of a
single program could result in alternate 1p realities being
constructed... not that multiple programs could be run in the UM. At
least, that's how I interpret it.

That's correct.

A bacteria is a universal machine in that it can potentially run any
program. However, bacteria as they appear to us run specific programs
(as selected by evolution).


Their instantiation as such is a stable
measure relative to us - the shared 1p plural reality. Bacteria that
run programs capable of dreaming (as above), while possible, would
probably count as white rabbits.

... or as stable human beings. After all a human is a sort of bacteria organization, but of course you need many bacteria. Just one bacteria is most probably not enough. The genome is not big enough to handle memories of the type occurring in reasonable notion of dreams. So yes, that occurs only in white rabbit realities.



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