On 11/13/2024 4:11 AM, John Clark wrote:
On Tue, Nov 12, 2024 at 8:30 PM Bruce Kellett <[email protected]>
wrote:
*>> And for every event, for every point in space and forevery
instant in time, the square of the absolute value of the
quantum wave *
You keep forgetting that the wave-function exists in an infinite
dimensional vector space. NOT 3space. Doesn't sound so "real" then
does it?
*has a precise number, and it's a number that has profound
physical significance. That sure sounds physically real to me! *
/> Probability is not an entity!/
*The dictionary on my Mac saysan entity is "/A thing with
distinct//and independent existence/" and the definition of a thing is
"**/an object that one need not, cannot, or does not wish to give a
specific name to/**". Probability certainly exists, *
Your dictionary said "*/independent/* existence". There are several
kinds of probability. All the ones in QM are calculated values
dependent on humans and their knowledge or they are notional limits of
frequencies in observations.*
*
*and it has a distinct and independent existence. It's true that you
can't touch probability, but you can't touch entropy either, but both
are "things" that exist in the physical world.
*
I don't think so. They only exist in our descriptions of the physical
world. Do you think "physical" exists?*
*
/> Depending on the initial conditions, the wave function might
well be identically zero at most spacetime points.
/
*S**ure, but I don't see your point. At some places and at some times
the needle on your Fahrenheit thermometer is pointing at zero and you
observe it pointing at zero, and at other places and other times it's
pointing at 90 and you see it pointing at 90. Zero is not nothing, it
is something because being not zero is different from being zero; if
that wasn't true computers wouldn't work. *
*>> the only reason I'm a Many Worlds fan is that it doesn't
need to explain what a measurement is, nor does it have to
explain what consciousness is, because neither has anything to
do with it.*
*"The one exception is Many Worlds, in it a measurement is simply a
change."
"but not all changes are a measurement; this is because "measurement"
implies that a consciousness, or at least an intelligence, is involved"
*So JKC claims that consciousness has nothing to do with measurement,
but measurement implies consciousness is involved and that measurement
is simply a change.
Brent*
*
/> So the Many-worlds theory is merely a fantasy, about nothing at
all./
*So your claim is that any physical theory that does not explain
consciousness, and that means every single physical theory discovered
since Newton's day, is merely a fantasy and is about nothing at all. I
respectfully disagree. *
*
*
*John K Clark See what's on my new list at Extropolis
<https://groups.google.com/g/extropolis>*
.,/
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