On 20 May 2012, at 18:27, Stephen P. King wrote:
On 5/20/2012 6:06 AM, Quentin Anciaux wrote:
In Bruno's theory, the physical world is not computed by an
algorithm, the physical world is the limit of all computations
going throught your current state... what is computable is your
current state, an infinity of computations goes through it. So I
don't see the problem here, the UD is not an algorithm which
computes the physical world 4D or whatever.
Quentin
Hi Quentin,
Maybe you can answer some questions. These might be badly
composed so feel free to "fix" them. ;-)
1) If my "current state" is equivalent to a 4-manifold and the
"next" state is also, what is connecting the two? Markov's proof
tells us that it is not a algorithm. So what is it?
Markov theorem says that giving two arbitrary "states", it is
undecidable to know if a "computation" will relate those states or not.
It does not say that some states are not algorithmically linked.
With computer it is not in general possible to know in advance if
states are related by computations. If they are, this can be usually
decided, but if there are not , well there are no algorithm for
deciding that in general.
2) Is there another equivalent set of words for "the physical world
is the limit of all computations going through your current state"?
3) Is there at least one physical system running the computations?
Is the "physical universe" a purely subjective appearance/experience
for each conscious entity? What is it that shifts from one state to
the next?
4) What is the cardinality of "all computations"?
Aleph_0, when see in the third person picture.
2^aleph_0, when seen in the first person picture (well, the 3-view on
the 1-views, because it is 1, from the 1_view on the 1_view). In that
case, arbitrary sequence of natural numbers play the role of oracle.
5) Is the totality of what exists static and timeless and are all of
the subsets of that totality static and timeless as well?
Yes, for the basic ontological reality. No, for the epistemological
reality.
6) Does all "succession of events" emerge only from the well
ordering of Natural numbers?
Not for the physical events. (epistemological, with comp).
Bruno
http://iridia.ulb.ac.be/~marchal/
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