On 6/21/2019 12:04 AM, Bruce Kellett wrote:
On Fri, Jun 21, 2019 at 4:26 PM 'Brent Meeker' via Everything List
<[email protected]
<mailto:[email protected]>> wrote:
To disconfirm MWI you'd have to observe statistics far from the
expected value,
To make my point more strongly, that is the wrong way round.
Observation of statistics far from the expected value is what would be
required to confirm MWI. The fact that we don't observe such results
is the strongest possible case against MWI!
How can that be when MWI predicts that observing statistics far from the
expected value is improbable.
which is why Tegmark proposed his machine gun suicide experiment.
Which confirms nothing except that Tegmark believes in MWI. Quantum
suicide cannot convince anyone other than one's self that MWI is true.
Exactly why it's not convincing as a thought experiment.
Everyday experience does not confirm this, since we do not meet people
several hundred years old -- every one dies at their appointed time.
The quantum suicide experiment has been run billions of times, always
with null results.
Yes, I have thought this is good evidence against MWI; although these
ancient people would be so rare there might not be even one on most
branches of the world, so I'm not sure it's a decisive argument. And
why should old persons be the test. Why not any extremely unlikely
event. In your viewpoint the occurence of an unlikely event is evidence
for MWI, while the failure of unusual events to occur is evidence
against MWI. Yet it's a commonplace that unlikely events occur all the
time.
Brent
Bruce
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