On 10/13/2019 6:52 AM, Bruno Marchal wrote:
On 10 Oct 2019, at 00:21, 'Brent Meeker' via Everything List
<[email protected]
<mailto:[email protected]>> wrote:
On 10/9/2019 3:52 AM, Alan Grayson wrote:
On Wednesday, October 9, 2019 at 12:28:38 AM UTC-6, Brent wrote:
On 10/8/2019 9:20 PM, Alan Grayson wrote:
> I've argued this before, but it's worth stating again. It's a
> misintepretation of superposition to claim that a system
described by
> it, is in all the component states simultaneously. As is
easily seen
> in ordinary vector space, an arbitrary vector has an uncountable
> number of different representations. Thus, to claim it is in some
> specific set of component states simultaneously, makes no
sense. Thus
> evaporates a key "mystery" of quantum theory, inclusive of S's
cat and
> Everett's many worlds. AG
No. It changes the problem to the question of why there are
preferred
bases.
Brent
Who chose Alive and Dead, or Awake and Sleeping for the S. cat?
Wasn't it the observer?
Could the observer have chosen |alive>+|dead> and |alive>-|dead> as a
basis?
In principle yes. And if you look at the cat, you are yourself
described by [(seeing the cat alive )(cat alive) + (seeing the cat
dead)(cat dead)]. Then I have still the choice by measuring you with a
device measuring if you are seeing a cat alive, or dead, or off you
are in the state
No you don't, because there is no such instrument. Physicist, unlike
metaphysicians, have the job of explaining the world as they find
it...not imagining how it might be.
Brent
[(seeing the cat alive )(cat alive) + (seeing the cat dead)(cat dead)]
Or in the state
[(seeing the cat alive )(cat alive) - (seeing the cat dead)(cat dead)]
That does not change your own statistics.
Bruno
Brent
Since they had other choices, my claim stands. AG
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