On 5/15/2025 4:32 AM, John Clark wrote:
On Wed, May 14, 2025 at 9:13 PM Brent Meeker <[email protected]>
wrote:
> /the correctness of MWI is what is in question, so you're begging
the question by assuming it's true. /
*No. I do not claim I can prove that MWI is correct, but I can prove
that your claim that MWI produces contradictory predictions is wrong,
and to do that I need to start by assuming that MWI is correct and
seeing if that assumption produces any contradictions. It doesn't. I
admit that doesn't prove MWI is correct, but it doesn't prove MWI is
incorrect either.*
/> which is based on successive measures of the same variable. The
second measurement has only one possible outcome contrary to you
assertion that all values consistent with Schroedinger's equation
must obtain/
*It's true that if a unmeasured photon hits a polarizer set to the
randomly selected angle X Schrodinger's equation says there is a 50%
chance it will make it through the polarizer, and if it does and then
it hits a second polarizer set to angle X plus 90° there is a 0%
chance the photon will make it through that filter. It's also true
that if you remove the first polariser but leave the second one
unchanged and then repeat the experiment Schrodinger's equation
predicts the photon will now have a 50% chance of making it through
that polarizer set to angle X plus 90°, not a 0% chance as in the
first time the experiment was done. But I'll be damned if I can figure
out why that fact is supposed to prove that the MWI must be wrong.*
> /You seem to have missed the point of the argument/
*Well, I've certainly missed the point of _your_ argument.
*
My argument is with your statement that MWI means that all results
consistent with Schroedinger's equation will occur, not with MWI. Some
results have zero probability, which means they don't occur.
Brent
*
*
*John K Clark See what's on my new list at Extropolis
<https://groups.google.com/g/extropolis>*
*
*
mpa
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