On May 9, 6:46 pm, Brent Meeker <meeke....domain.name.hidden> wrote:
> marc.ged....domain.name.hidden wrote:
>
> > On May 9, 5:57 pm, Brent Meeker <meeke....domain.name.hidden> wrote:
> >> marc.ged....domain.name.hidden wrote:
>
> >> How can Everett's "every possibility is realized" be logically compatible with Bohm's "there's only one, deterministic outcome", we just don't know which one" and Griffith's "it's a probabilistic theory so some things happen and some don't". I can hardly imagine less compatible interpretations of the same mathematics. I could add Cramer's transactional interpretation and Feynmann's zig-zag in time interpretation. Are all those maps or territories?
>
> > Well of course the ontological details are indeed quite incompatible.
> > The status of QM is still very much 'in the air' at the moment, so we
> > don't yet know with any degree of certainty. But that can (and
> > should) change once both theory and observation progresses in the
> > future.
>
> And will reality change too - or is reality different from theories that describe it?
>
Of course reality doesn't change. The question of map versus
territory is *not* an all or nothing
question. *sometimes* the map equals the territory. Most of the time
it does not.
>
> But according to your "map=territory" philosophy all these incompatible theories exist physically. What does that mean? All but one of them must describe some other universe and we just don't know which ones? Or do you mean they "exist physically" as representational tokens in the brains of physicists? They certainly don't exist like tables and chairs.
>
> Brent Meeker-
To say that map=territory always would obviously be absurd. Only in
the case of the parts of our theories which are *correct* does the map
equal the territory. When our theories are wrong, these theories are
quite different to reality and certainly don't physically exist ;)
The fact that we can't know for sure which parts of our theories are
wrong and which are right isn't a problem.
Most of the time the map is not the territory. But for *some*
concepts (correct concepts!) it is.
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Received on Wed May 09 2007 - 03:08:25 PDT