On 10/14/2019 7:20 AM, Bruno Marchal wrote:
On 11 Oct 2019, at 01:23, 'Brent Meeker' via Everything List
<everything-list@googlegroups.com
<mailto:everything-list@googlegroups.com>> wrote:
On 10/6/2019 3:03 AM, smitra wrote:
And with finite information in the universe there is not distinction
between recurrences and hence there are no recurrences.
Yes, but there will also be imperfect recurrences where the
difference will go unnoticed for an observer until a measurement is
made. You can then have an effective splitting in single world
collapse theories. and each outcome will have a certain probability
that corresponds to the relative frequency at which different
outcomes will occur in a large time period.
What does "effective splitting in single world collapse" mean?
Sounds like classical probability due to ignorance...except that's
NOT splitting.
It is differentiating.
Imagine the WM-duplication, or better here, a guy who is duplicated in
two virtual rooms, numerically identical, except for a close virtual
envelop with a paper containing 1 (written on a paper) in room 1 and
2 in room 2.
If the person there does not open the envelop, we can fuse them again,
and nothing special happened. It one consciousness flux, like if no
duplication occurred.
But if the guy open the envelop and read what is on the paper, then
the consciousness flux differentiates.
Which is the QBist interpretation of QM.
Brent
For the measure on the histories, the rule is graphically sum up by
the diagram:
Y = II
The differentiation in the future separate the past, and it allows the
elimination of the splitting. The real diagram are provided by the
Kripke semantic, or other semantic for the modal logic of
self-reference (and its intensional variants), where we should get
something like the Feynman diagrams for the histories and sub-histories.
Like you say: it is classical probabilities, from a relative first
person perspective, localised in a mathematically sophisticated
structure. The many-worlds of the universal wave seems to confirm the
many-computations of elementary arithmetic. This one has the
Gödel-Löb-Solovay “theology” capable of distinguishing quanta
(knowable, observable and sharable) from qualia (knowable, observable,
but not sharable).
Bruno
Brent
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