On 11/19/2019 6:55 AM, Bruno Marchal wrote:
On 18 Nov 2019, at 22:14, 'Brent Meeker' via Everything List
<[email protected]
<mailto:[email protected]>> wrote:
On 11/18/2019 12:20 PM, Alan Grayson wrote:
On Monday, November 18, 2019 at 1:16:46 PM UTC-7, John Clark wrote:
On Sun, Nov 17, 2019 at 7:43 AM Philip Thrift
<[email protected] <javascript:>> wrote:
*> /Adrian Kent/*/'s/ https://arxiv.org/abs/1305.6565
<https://arxiv.org/abs/1305.6565> /"real path quantum
theory" *RPQT*/
If you fire electrons at 2 slits and observe the slits then each
electron takes a real path through one and only one slit and no
interference pattern is produced. If you fire electrons at 2
slits and do NOT observe the slits then a interference pattern
is produced indicating that each electron went through both
slits. Thus real path quantum theory needs 2 sets of physical
laws, one for when things are observed and one when they are
not. Many Worlds only needs one set of physical laws, and one
set is more parsimonious than two.
That's what the evangelists for MWI say. But in fact some more stuff
is needed to explain why we see the world as we do, i.e. how
probability comes into it and why is there a preferred basis. Maybe
this more stuff can be derived from Schroedinger's equation, but even
to do so seems to require additional assumptions.
With mechanism: it requires *less* assumptions. Any physics accepting
the mechanist theory of mind must explain the physical appearance from
a measure on all (relative) computations.
You frequently use this unconditional form of "must" when you actually
mean "must, if my theory is right" which is trivial.
Brent
The math required for doing this requires more axioms (like the
distribution of prime number studies seems to require analytical
axioms). That is normal, given incompleteness.
Bruno
Brent
And if everything that can happen does happen then unlike its
competition Many Worlds doesn't have to explain exactly what a
"observation" is or worry about the true nature of consciousness
because it has nothing to do with it.
John K Clark
You're hopelessly deluded. AG
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