Re: Philip Ball, MWI skeptic

2015-02-26 Thread meekerdb
: MWI predicts the same as QM+collapse. Only because it assumes the Born rule applies to give a probability interpretation to the density matrix. But Everettista's either ignore the need for the Born rule or they suppose it can be derived from the SWE (although all

Re: Philip Ball, MWI skeptic

2015-02-26 Thread meekerdb
On 2/26/2015 7:48 PM, Jason Resch wrote: On Thu, Feb 26, 2015 at 9:40 PM, Bruce Kellett bhkell...@optusnet.com.au mailto:bhkell...@optusnet.com.au wrote: Jason Resch wrote: On Thu, Feb 26, 2015 at 9:20 PM, Bruce Kellett bhkell...@optusnet.com.au

Re: Philip Ball, MWI skeptic

2015-02-26 Thread Bruce Kellett
Jason Resch wrote: On Thu, Feb 26, 2015 at 9:20 PM, Bruce Kellett bhkell...@optusnet.com.au mailto:bhkell...@optusnet.com.au wrote: Jason Resch wrote: There's no problem defining probability. There is, however, a big problem defining collapse. Collapse is easily

Re: Philip Ball, MWI skeptic

2015-02-26 Thread meekerdb
On 2/26/2015 7:05 PM, Jason Resch wrote: But it assumes the Born rule provides the relative measure - which is more than just the SWE. You can solve the problem of branch counting by assuming infinitely many parallel worlds - but then that raises the problem of defining

Re: Philip Ball, MWI skeptic

2015-02-26 Thread Jason Resch
: MWI predicts the same as QM+collapse. Only because it assumes the Born rule applies to give a probability interpretation to the density matrix. But Everettista's either ignore the need for the Born rule or they suppose it can be derived from the SWE (although all attempts have fallen short

Re: Philip Ball, MWI skeptic

2015-02-26 Thread meekerdb
: On 2/26/2015 3:16 PM, LizR wrote: On 27 February 2015 at 10:01, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: MWI predicts the same as QM+collapse. Only because it assumes the Born rule applies to give a probability

Re: Philip Ball, MWI skeptic

2015-02-26 Thread Jason Resch
On Thu, Feb 26, 2015 at 9:20 PM, Bruce Kellett bhkell...@optusnet.com.au wrote: Jason Resch wrote: On Thu, Feb 26, 2015 at 3:01 PM, meekerdb meeke...@verizon.net mailto: meeke...@verizon.net wrote: MWI predicts the same as QM+collapse. Only because it assumes the Born rule

Re: Philip Ball, MWI skeptic

2015-02-26 Thread Jason Resch
On Thu, Feb 26, 2015 at 9:40 PM, Bruce Kellett bhkell...@optusnet.com.au wrote: Jason Resch wrote: On Thu, Feb 26, 2015 at 9:20 PM, Bruce Kellett bhkell...@optusnet.com.au mailto:bhkell...@optusnet.com.au wrote: Jason Resch wrote: There's no problem defining probability. There

Re: Philip Ball, MWI skeptic

2015-02-26 Thread Bruce Kellett
that one of the probable states happens. MWI fails to add that. Isn't it enough when one considers the FPI (which tells us you will only experience one of the probable states)? FPI has been around a long time. In the earlier literature on the Anthropic Principle it was known as self-selection

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruno Marchal
On 25 Feb 2015, at 12:28, Bruce Kellett wrote: Bruno Marchal wrote: On 24 Feb 2015, at 22:52, Bruce Kellett wrote: MWI simply formalizes the fact that such data are in-principle unknowable. Well, usually we say that the SWE formalizes that fact, and that the MWI interpret this in term

Re: Philip Ball, MWI skeptic

2015-02-25 Thread John Clark
On Wed, Feb 25, 2015 Bruno Marchal marc...@ulb.ac.be wrote: You've got to think what random means, nothing made it happen, it is a brute fact.. How can you know that. This is equivalent with saying we will not try to understand. If there is something to understand about why X happened,

Re: Philip Ball, MWI skeptic

2015-02-25 Thread LizR
Bell's theorem, as Bell made clear, allows realism and locality if the laws of physics operate in a time symmetric manner. All the known laws of physics do, apart from the mechanism underlying neutral kaon decay. Hence it is likely that Bell's theorem doesn't require quantum mystical nonlocal

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruce Kellett
Bruno Marchal wrote: On 25 Feb 2015, at 12:28, Bruce Kellett wrote: In particular one has to solve the basis problem I disagree. It seems to me that Everett already solved it. The relative subjective state does not depend on the base. That is precisely the problem. There are an infinite

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Russell Standish
On Thu, Feb 26, 2015 at 09:31:53AM +1100, Bruce Kellett wrote: An eigenfunction in one basis is a superposition (potentially an infinite superposition) in any other basis. Why do we not see superpositions of positions? Bruce But we do! Whenever the two slit experiment is performed, for

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Jason Resch
will experience next. That seems to me to be a very good case of something being in-principle unknowable. If it is not in-principle unknowable, the onus is on you to spell out the principles and circumstances in which the time of the radioactive decay of a particular atom is knowable in advance. MWI

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Jason Resch
On Wed, Feb 25, 2015 at 5:28 AM, Bruce Kellett bhkell...@optusnet.com.au wrote: Bruno Marchal wrote: On 24 Feb 2015, at 22:52, Bruce Kellett wrote: MWI simply formalizes the fact that such data are in-principle unknowable. Well, usually we say that the SWE formalizes that fact

Re: Philip Ball, MWI skeptic

2015-02-25 Thread meekerdb
On 2/25/2015 1:02 PM, LizR wrote: Bell's theorem, as Bell made clear, allows realism and locality if the laws of physics operate in a time symmetric manner. All the known laws of physics do, apart from the mechanism underlying neutral kaon decay. Hence it is likely that Bell's theorem doesn't

Re: Philip Ball, MWI skeptic

2015-02-25 Thread John Clark
On Wed, Feb 25, 2015 , meekerdb meeke...@verizon.net wrote: Bell's theorem, as Bell made clear, allows realism and locality if the laws of physics operate in a time symmetric manner. All the known laws of physics do, apart from the mechanism underlying neutral kaon decay. Hence it is likely

Re: Philip Ball, MWI skeptic

2015-02-25 Thread meekerdb
On 2/25/2015 7:11 PM, Jason Resch wrote: On Wed, Feb 25, 2015 at 5:28 AM, Bruce Kellett bhkell...@optusnet.com.au mailto:bhkell...@optusnet.com.au wrote: Bruno Marchal wrote: On 24 Feb 2015, at 22:52, Bruce Kellett wrote: MWI simply formalizes the fact

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Russell Standish
On Thu, Feb 26, 2015 at 04:44:25PM +1100, Bruce Kellett wrote: Russell Standish wrote: On Thu, Feb 26, 2015 at 09:31:53AM +1100, Bruce Kellett wrote: An eigenfunction in one basis is a superposition (potentially an infinite superposition) in any other basis. Why do we not see superpositions

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruce Kellett
Russell Standish wrote: On Thu, Feb 26, 2015 at 09:31:53AM +1100, Bruce Kellett wrote: An eigenfunction in one basis is a superposition (potentially an infinite superposition) in any other basis. Why do we not see superpositions of positions? Bruce But we do! Whenever the two slit experiment

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruno Marchal
particular decay, and whatever it might be that caused that nucleus to decay now rather than at some other time, is in-principle unknowable. MWI simply formalizes the fact that such data are in-principle unknowable. Well, usually we say that the SWE formalizes that fact, and that the MWI

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruno Marchal
of something being in- principle unknowable. If it is not in-principle unknowable, the onus is on you to spell out the principles and circumstances in which the time of the radioactive decay of a particular atom is knowable in advance. MWI means, I know it when I see it. :-) But more seriously

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruno Marchal
to be a very good case of something being in- principle unknowable. If it is not in-principle unknowable, the onus is on you to spell out the principles and circumstances in which the time of the radioactive decay of a particular atom is knowable in advance. MWI means, I know it when I see

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruno Marchal
On 24 Feb 2015, at 23:00, Russell Standish wrote: On Tue, Feb 24, 2015 at 08:10:35PM +0100, Bruno Marchal wrote: Suppose, as people on this list have sometimes proposed, that we and the world we perceive is a digital simulation in a computer vastly more powerful than the ones we've built.

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruno Marchal
On 25 Feb 2015, at 05:03, John Clark wrote: On Sun, Feb 22, 2015 , LizR lizj...@gmail.com wrote: What would be a suitable underlying means by which the universe might operate, that it makes things happen at random? Huh?? You've got to think what random means, nothing made it happen, it

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruno Marchal
, and whatever it might be that caused that nucleus to decay now rather than at some other time, is in-principle unknowable. MWI simply formalizes the fact that such data are in-principle unknowable. It seems to me that the MWI explains, in principle, where the data come from - from first

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Stathis Papaioannou
On Wednesday, February 25, 2015, Bruce Kellett bhkell...@optusnet.com.au wrote: Stathis Papaioannou wrote: On Wednesday, February 25, 2015, Bruce Kellett bhkell...@optusnet.com.au mailto:bhkell...@optusnet.com.au wrote: First person indeterminacy is just another name for in-principle

Re: Philip Ball, MWI skeptic

2015-02-25 Thread Bruce Kellett
Bruno Marchal wrote: On 24 Feb 2015, at 22:52, Bruce Kellett wrote: MWI simply formalizes the fact that such data are in-principle unknowable. Well, usually we say that the SWE formalizes that fact, and that the MWI interpret this in term of many world. But I am OK with your statement

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Russell Standish
On Tue, Feb 24, 2015 at 08:10:35PM +0100, Bruno Marchal wrote: Suppose, as people on this list have sometimes proposed, that we and the world we perceive is a digital simulation in a computer vastly more powerful than the ones we've built. Suppose this computer is 1e500 bit machine. I

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruce Kellett
that nucleus to decay now rather than at some other time, is in-principle unknowable. MWI simply formalizes the fact that such data are in-principle unknowable. Bruce -- You received this message because you are subscribed to the Google Groups Everything List group. To unsubscribe from this group

Re: Philip Ball, MWI skeptic

2015-02-24 Thread LizR
On 24 February 2015 at 14:23, meekerdb meeke...@verizon.net wrote: On 2/23/2015 12:58 PM, LizR wrote: On 24 February 2015 at 09:03, meekerdb meeke...@verizon.net wrote: But then this undermines the idea that the arithmetic existential quantifier provides the same exists as ostensive

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruno Marchal
...@ulb.ac.be To: everything-list everything-list@googlegroups.com Sent: Mon, Feb 23, 2015 11:47 am Subject: Re: Philip Ball, MWI skeptic On 23 Feb 2015, at 01:55, meekerdb wrote: On 2/22/2015 4:38 PM, Jason Resch wrote: Not as Bruno uses it: That all computations exist Platonically and instantiate

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruno Marchal
On 23 Feb 2015, at 20:42, meekerdb wrote: On 2/23/2015 7:41 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:01, meekerdb wrote: On 2/22/2015 3:43 PM, LizR wrote: On 23 February 2015 at 12:32, meekerdb meeke...@verizon.net wrote: On 2/22/2015 2:52 PM, Jason Resch wrote: On Sun, Feb 22,

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruno Marchal
On 23 Feb 2015, at 20:46, meekerdb wrote: On 2/23/2015 7:58 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:16, meekerdb wrote: On 2/22/2015 2:52 PM, LizR wrote: On 23 February 2015 at 10:17, meekerdb meeke...@verizon.net Computationalism is an extraordinary claim. The claim that what

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruno Marchal
On 23 Feb 2015, at 21:03, meekerdb wrote: On 2/23/2015 8:47 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:55, meekerdb wrote: On 2/22/2015 4:38 PM, Jason Resch wrote: Not as Bruno uses it: That all computations exist Platonically and instantiate all possible thoughts - and a lot of

Re: Philip Ball, MWI skeptic

2015-02-24 Thread meekerdb
On 2/24/2015 5:21 AM, Bruno Marchal wrote: On 23 Feb 2015, at 20:46, meekerdb wrote: On 2/23/2015 7:58 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:16, meekerdb wrote: On 2/22/2015 2:52 PM, LizR wrote: On 23 February 2015 at 10:17, meekerdb meeke...@verizon.net

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruno Marchal
On 24 Feb 2015, at 17:47, meekerdb wrote: On 2/24/2015 5:21 AM, Bruno Marchal wrote: On 23 Feb 2015, at 20:46, meekerdb wrote: On 2/23/2015 7:58 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:16, meekerdb wrote: On 2/22/2015 2:52 PM, LizR wrote: On 23 February 2015 at 10:17, meekerdb

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Stathis Papaioannou
, for instance, the time of any particular decay, and whatever it might be that caused that nucleus to decay now rather than at some other time, is in-principle unknowable. MWI simply formalizes the fact that such data are in-principle unknowable. It seems to me

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruce Kellett
Stathis Papaioannou wrote: On Wednesday, February 25, 2015, Bruce Kellett bhkell...@optusnet.com.au mailto:bhkell...@optusnet.com.au wrote: First person indeterminacy is just another name for in-principle unknowable! No it's not. It provides an explanation of how the world can be

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruce Kellett
unknowable. If it is not in-principle unknowable, the onus is on you to spell out the principles and circumstances in which the time of the radioactive decay of a particular atom is knowable in advance. MWI means, I know it when I see it. :-) But more seriously, for FPI to apply to radioactive

Re: Philip Ball, MWI skeptic

2015-02-24 Thread meekerdb
. If it is not in-principle unknowable, the onus is on you to spell out the principles and circumstances in which the time of the radioactive decay of a particular atom is knowable in advance. MWI means, I know it when I see it. :-) But more seriously, for FPI to apply to radioactive decay requires

Re: Philip Ball, MWI skeptic

2015-02-24 Thread LizR
, for instance, the time of any particular decay, and whatever it might be that caused that nucleus to decay now rather than at some other time, is in-principle unknowable. MWI simply formalizes the fact that such data are in-principle unknowable. It seems to me that the MWI explains, in principle

Re: Philip Ball, MWI skeptic

2015-02-24 Thread Bruce Kellett
that nucleus to decay now rather than at some other time, is in-principle unknowable. MWI simply formalizes the fact that such data are in-principle unknowable. It seems to me that the MWI explains, in principle, where the data come from - from first person indeterminacy. That isn't

Re: Philip Ball, MWI skeptic

2015-02-24 Thread John Clark
On Sun, Feb 22, 2015 , LizR lizj...@gmail.com wrote: What would be a suitable underlying means by which the universe might operate, that it makes things happen at random? Huh?? You've got to think what random means, nothing made it happen, it is a brute fact..I don't find it astounding that

Re: Philip Ball, MWI skeptic

2015-02-23 Thread Bruno Marchal
On 22 Feb 2015, at 23:52, LizR wrote: On 23 February 2015 at 10:17, meekerdb meeke...@verizon.net Computationalism is an extraordinary claim. The claim that what goes on inside brains is at some level Turing- emulable seems not necessarily extraordinary - or do you think it is? It seems

Re: Philip Ball, MWI skeptic

2015-02-23 Thread Bruno Marchal
On 23 Feb 2015, at 01:01, meekerdb wrote: On 2/22/2015 3:43 PM, LizR wrote: On 23 February 2015 at 12:32, meekerdb meeke...@verizon.net wrote: On 2/22/2015 2:52 PM, Jason Resch wrote: On Sun, Feb 22, 2015 at 3:17 PM, meekerdb meeke...@verizon.net wrote: Computationalism is an extraordinary

Re: Philip Ball, MWI skeptic

2015-02-23 Thread Bruno Marchal
On 23 Feb 2015, at 00:32, meekerdb wrote: On 2/22/2015 2:52 PM, Jason Resch wrote: On Sun, Feb 22, 2015 at 3:17 PM, meekerdb meeke...@verizon.net wrote: On 2/22/2015 9:19 AM, Bruno Marchal wrote: On 21 Feb 2015, at 02:50, meekerdb wrote: On 2/20/2015 8:54 AM, Bruno Marchal wrote:

Re: Philip Ball, MWI skeptic

2015-02-23 Thread Bruno Marchal
On 23 Feb 2015, at 01:38, Jason Resch wrote: On Sun, Feb 22, 2015 at 5:32 PM, meekerdb meeke...@verizon.net wrote: On 2/22/2015 2:52 PM, Jason Resch wrote: On Sun, Feb 22, 2015 at 3:17 PM, meekerdb meeke...@verizon.net wrote: On 2/22/2015 9:19 AM, Bruno Marchal wrote: On 21 Feb

Re: Philip Ball, MWI skeptic

2015-02-23 Thread Bruno Marchal
On 23 Feb 2015, at 01:55, meekerdb wrote: On 2/22/2015 4:38 PM, Jason Resch wrote: Not as Bruno uses it: That all computations exist Platonically and instantiate all possible thoughts - and a lot of other stuff. That's arithmetical realism, not computationalism. However, to believe in

Re: Philip Ball, MWI skeptic

2015-02-23 Thread spudboy100 via Everything List
, 2015 11:47 am Subject: Re: Philip Ball, MWI skeptic On 23 Feb 2015, at 01:55, meekerdb wrote: On 2/22/2015 4:38 PM, Jason Resch wrote: Not as Bruno uses it: That all computations exist Platonically and instantiate all possible

Re: Philip Ball, MWI skeptic

2015-02-23 Thread Bruno Marchal
On 23 Feb 2015, at 01:16, meekerdb wrote: On 2/22/2015 2:52 PM, LizR wrote: On 23 February 2015 at 10:17, meekerdb meeke...@verizon.net Computationalism is an extraordinary claim. The claim that what goes on inside brains is at some level Turing- emulable seems not necessarily extraordinary

Re: Philip Ball, MWI skeptic

2015-02-23 Thread LizR
On 24 February 2015 at 09:03, meekerdb meeke...@verizon.net wrote: You seem to take the same view as LizR, You're either for my theory or you're for a contrary theory. You started it, dear. Since you've already acted many times as though my agnosticism is really supporting a theory you

Re: Philip Ball, MWI skeptic

2015-02-23 Thread LizR
On 24 February 2015 at 09:03, meekerdb meeke...@verizon.net wrote: But then this undermines the idea that the arithmetic existential quantifier provides the same exists as ostensive physical existence. That is clearly not being suggested by comp. Comp suggests that physical existence is maya

Re: Philip Ball, MWI skeptic

2015-02-23 Thread Bruno Marchal
On 23 Feb 2015, at 09:07, Telmo Menezes wrote: I would argue that the history of science tells us that humans tend to err on the side of assuming too much uniqueness in what they observe. I agree. Despite even Nature illustrates how much she likes to do things in the many: many atoms,

Re: Philip Ball, MWI skeptic

2015-02-23 Thread meekerdb
On 2/23/2015 7:41 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:01, meekerdb wrote: On 2/22/2015 3:43 PM, LizR wrote: On 23 February 2015 at 12:32, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 2/22/2015 2:52 PM, Jason Resch wrote: On Sun, Feb 22, 2015 at

Re: Philip Ball, MWI skeptic

2015-02-23 Thread meekerdb
On 2/23/2015 7:58 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:16, meekerdb wrote: On 2/22/2015 2:52 PM, LizR wrote: On 23 February 2015 at 10:17, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net Computationalism is an extraordinary claim. The claim that what goes on

Re: Philip Ball, MWI skeptic

2015-02-23 Thread John Mikes
Brent: I am no 'skeptic' I just seek some basis WHY to believe? JM On Mon, Feb 23, 2015 at 2:46 PM, meekerdb meeke...@verizon.net wrote: On 2/23/2015 7:58 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:16, meekerdb wrote: On 2/22/2015 2:52 PM, LizR wrote: On 23 February 2015 at

Re: Philip Ball, MWI skeptic

2015-02-23 Thread meekerdb
On 2/23/2015 8:47 AM, Bruno Marchal wrote: On 23 Feb 2015, at 01:55, meekerdb wrote: On 2/22/2015 4:38 PM, Jason Resch wrote: Not as Bruno uses it: That all computations exist Platonically and instantiate all possible thoughts - and a lot of other stuff. That's arithmetical

Re: Philip Ball, MWI skeptic

2015-02-23 Thread meekerdb
On 2/23/2015 11:51 AM, John Mikes wrote: Brent: I am no 'skeptic' I just seek some basis WHY to believe? What kind of basis? utility? perception? What would you consider a suitable basis? And why do you want to believe? Is it more than just deciding how to act? Brent -- You received

Re: Philip Ball, MWI skeptic

2015-02-23 Thread Telmo Menezes
with experimental results? I'm similarly dubious of black holes, even though they are clearly implied by our best theory of spacetime. But that theory is incompatible with QM and so BHs may not exist in the form implied by GR. But the MWI has not be shown to be incompatible with any of our main theories so

Re: Philip Ball, MWI skeptic

2015-02-23 Thread meekerdb
On 2/23/2015 12:58 PM, LizR wrote: On 24 February 2015 at 09:03, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: But then this undermines the idea that the arithmetic existential quantifier provides the same exists as ostensive physical existence. That is clearly not

Re: Philip Ball, MWI skeptic

2015-02-22 Thread Bruno Marchal
On 21 Feb 2015, at 02:50, meekerdb wrote: On 2/20/2015 8:54 AM, Bruno Marchal wrote: QM + collapse is inconsistent (with a great variety of principle, like computationalism, God does not play dice, no spooky actions, etc.). Principles of Platonist faith. You don't need any faith to

Re: Philip Ball, MWI skeptic

2015-02-22 Thread LizR
On 23 February 2015 at 10:17, meekerdb meeke...@verizon.net Computationalism is an extraordinary claim. The claim that what goes on inside brains is at some level Turing-emulable seems not necessarily extraordinary - or do you think it is? It seems like a fairly standard assumption by many

Re: Philip Ball, MWI skeptic

2015-02-22 Thread Jason Resch
On Sun, Feb 22, 2015 at 3:17 PM, meekerdb meeke...@verizon.net wrote: On 2/22/2015 9:19 AM, Bruno Marchal wrote: On 21 Feb 2015, at 02:50, meekerdb wrote: On 2/20/2015 8:54 AM, Bruno Marchal wrote: QM + collapse is inconsistent (with a great variety of principle, like

Re: Philip Ball, MWI skeptic

2015-02-22 Thread LizR
On 23 February 2015 at 12:32, meekerdb meeke...@verizon.net wrote: On 2/22/2015 2:52 PM, Jason Resch wrote: On Sun, Feb 22, 2015 at 3:17 PM, meekerdb meeke...@verizon.net wrote: Computationalism is an extraordinary claim. For it to be extraordinary, it would have to be beyond ordinary.

Re: Philip Ball, MWI skeptic

2015-02-22 Thread spudboy100 via Everything List
@googlegroups.com Sent: Sun, Feb 22, 2015 4:17 pm Subject: Re: Philip Ball, MWI skeptic On 2/22/2015 9:19 AM, Bruno Marchal wrote: On 21 Feb 2015, at 02:50, meekerdb wrote: On 2/20/2015 8:54 AM, Bruno

Re: Philip Ball, MWI skeptic

2015-02-22 Thread Jason Resch
: Re: Philip Ball, MWI skeptic On 2/22/2015 9:19 AM, Bruno Marchal wrote: On 21 Feb 2015, at 02:50, meekerdb wrote: On 2/20/2015 8:54 AM, Bruno Marchal wrote: QM + collapse is inconsistent (with a great variety of principle, like computationalism, God does not play dice, no spooky

Re: Philip Ball, MWI skeptic

2015-02-22 Thread meekerdb
On 2/22/2015 9:19 AM, Bruno Marchal wrote: On 21 Feb 2015, at 02:50, meekerdb wrote: On 2/20/2015 8:54 AM, Bruno Marchal wrote: QM + collapse is inconsistent (with a great variety of principle, like computationalism, God does not play dice, no spooky actions, etc.). Principles of

Re: Philip Ball, MWI skeptic

2015-02-22 Thread meekerdb
On 2/22/2015 2:52 PM, Jason Resch wrote: On Sun, Feb 22, 2015 at 3:17 PM, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 2/22/2015 9:19 AM, Bruno Marchal wrote: On 21 Feb 2015, at 02:50, meekerdb wrote: On 2/20/2015 8:54 AM, Bruno Marchal wrote: QM

Re: Philip Ball, MWI skeptic

2015-02-22 Thread Jason Resch
On Sun, Feb 22, 2015 at 5:32 PM, meekerdb meeke...@verizon.net wrote: On 2/22/2015 2:52 PM, Jason Resch wrote: On Sun, Feb 22, 2015 at 3:17 PM, meekerdb meeke...@verizon.net wrote: On 2/22/2015 9:19 AM, Bruno Marchal wrote: On 21 Feb 2015, at 02:50, meekerdb wrote: On 2/20/2015

Re: Philip Ball, MWI skeptic

2015-02-22 Thread spudboy100 via Everything List
have no way to analyze the veracity. As for MWI, it appears inescapable and very strange. -Original Message- From: Jason Resch jasonre...@gmail.com To: Everything List everything-list@googlegroups.com Sent: Sun, Feb 22, 2015 6:01 pm Subject: Re: Philip Ball, MWI skeptic Whether

Re: Philip Ball, MWI skeptic

2015-02-22 Thread meekerdb
On 2/22/2015 2:52 PM, LizR wrote: On 23 February 2015 at 10:17, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net Computationalism is an extraordinary claim. The claim that what goes on inside brains is at some level Turing-emulable seems not necessarily extraordinary - or do

Re: Philip Ball, MWI skeptic

2015-02-22 Thread meekerdb
On 2/22/2015 4:38 PM, Jason Resch wrote: Not as Bruno uses it: That all computations exist Platonically and instantiate all possible thoughts - and a lot of other stuff. That's arithmetical realism, not computationalism. However, to believe in the notion of Turing machines or

Re: Philip Ball, MWI skeptic

2015-02-20 Thread meekerdb
On 2/20/2015 8:54 AM, Bruno Marchal wrote: It is a theorem of comp, also. The many worlds, in his relative state formulation, is already a consequence of computationalism. By church thesis, *all* computations are emulated in all possible ways in elementary arithmetic, with a typical

Re: Philip Ball, MWI skeptic

2015-02-20 Thread meekerdb
On 2/20/2015 8:54 AM, Bruno Marchal wrote: QM + collapse is inconsistent (with a great variety of principle, like computationalism, God does not play dice, no spooky actions, etc.). Principles of Platonist faith. Brent -- You received this message because you are subscribed to the Google

Re: Philip Ball, MWI skeptic

2015-02-20 Thread meekerdb
On 2/20/2015 7:03 AM, Telmo Menezes wrote: On Fri, Feb 20, 2015 at 1:59 AM, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 2/19/2015 3:52 PM, Jason Resch wrote: On Thursday, February 19, 2015, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net

Re: Philip Ball, MWI skeptic

2015-02-20 Thread Telmo Menezes
On Fri, Feb 20, 2015 at 1:59 AM, meekerdb meeke...@verizon.net wrote: On 2/19/2015 3:52 PM, Jason Resch wrote: On Thursday, February 19, 2015, meekerdb meeke...@verizon.net wrote: I think it's taking the mathematics too seriously (but then I'm not a Platonist). When QM is integrated

Re: Philip Ball, MWI skeptic

2015-02-20 Thread Bruno Marchal
? Is that somehow better than my belief in God?) is I don't BELIEVE in the evolution (or the MWI) - I understand the evidence that indicates it may be the correct description of reality. Reasons to believe the MWI might include the fact that it answers important questions, and is the simplest

Re: Philip Ball, MWI skeptic

2015-02-19 Thread LizR
BELIEVE in the evolution (or the MWI) - I understand the evidence that indicates it may be the correct description of reality. Reasons to believe the MWI might include the fact that it answers important questions, and is the simplest hypothesis (to date) that explains all the observations of QM

Re: Philip Ball, MWI skeptic

2015-02-19 Thread Telmo Menezes
Brent, What's your position on the MWI? Best, Telmo. On Wed, Feb 18, 2015 at 5:36 PM, meekerdb meeke...@verizon.net wrote: Forwarded Message In July 2011, participants at a conference on the placid shore of Lake Traunsee in Austria were polled on what they thought

Re: Philip Ball, MWI skeptic

2015-02-19 Thread Stathis Papaioannou
On Thursday, February 19, 2015, meekerdb meeke...@verizon.net wrote: Forwarded Message In July 2011, participants at a conference on the placid shore of Lake Traunsee in Austria were polled on what they thought the meeting was about. You might imagine that this question

Re: Philip Ball, MWI skeptic

2015-02-19 Thread Quentin Anciaux
possibility with pre-existing uncountable infinite fungible universes... In that view, nothing pops up into existence... everything is already there. But anyway, I was not convinced by the article that MWI is more a fantasy than the one universe hypotheses.. he does not like MWI, that's sure

Re: Philip Ball, MWI skeptic

2015-02-19 Thread meekerdb
I think it's taking the mathematics too seriously (but then I'm not a Platonist). When QM is integrated with GR something different may emerge. Brent On 2/19/2015 2:19 AM, Telmo Menezes wrote: Brent, What's your position on the MWI? Best, Telmo. On Wed, Feb 18, 2015 at 5:36 PM, meekerdb

Re: Philip Ball, MWI skeptic

2015-02-19 Thread meekerdb
On 2/19/2015 5:34 PM, Jason Resch wrote: On Thu, Feb 19, 2015 at 6:59 PM, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: On 2/19/2015 3:52 PM, Jason Resch wrote: On Thursday, February 19, 2015, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote:

Re: Philip Ball, MWI skeptic

2015-02-19 Thread Jason Resch
seriously. Jason Brent On 2/19/2015 2:19 AM, Telmo Menezes wrote: Brent, What's your position on the MWI? Best, Telmo. On Wed, Feb 18, 2015 at 5:36 PM, meekerdb meeke...@verizon.net wrote: Forwarded Message In July 2011, participants at a conference on the placid

Re: Philip Ball, MWI skeptic

2015-02-19 Thread Jason Resch
On Thu, Feb 19, 2015 at 6:59 PM, meekerdb meeke...@verizon.net wrote: On 2/19/2015 3:52 PM, Jason Resch wrote: On Thursday, February 19, 2015, meekerdb meeke...@verizon.net wrote: I think it's taking the mathematics too seriously (but then I'm not a Platonist). When QM is integrated

Re: Philip Ball, MWI skeptic

2015-02-19 Thread meekerdb
On 2/19/2015 3:52 PM, Jason Resch wrote: On Thursday, February 19, 2015, meekerdb meeke...@verizon.net mailto:meeke...@verizon.net wrote: I think it's taking the mathematics too seriously (but then I'm not a Platonist). When QM is integrated with GR something different may emerge. So

Re: Philip Ball, MWI skeptic

2015-02-18 Thread Bruno Marchal
On 18 Feb 2015, at 17:36, meekerdb wrote: Forwarded Message In July 2011, participants at a conference on the placid shore of Lake Traunsee in Austria were polled on what they thought the meeting was about. You might imagine that this question would have been

Fwd: Philip Ball, MWI skeptic

2015-02-18 Thread meekerdb
Forwarded Message In July 2011, participants at a conference on the placid shore of Lake Traunsee in Austria were polled on what they thought the meeting was about. You might imagine that this question would have been settled in advance, but since the broad theme was

Re: Testing MWI

2014-12-27 Thread ronaldheld
Can you provide some examples? -- You received this message because you are subscribed to the Google Groups Everything List group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email

Re: Testing MWI

2014-12-26 Thread zibblequibble
. We also remind why multiverse scenarios can be falsified. it's always been testable. The difficulty is that the ways that it is testable, always seem to involve mWI failing the test. -- You received this message because you are subscribed to the Google Groups Everything List group

Testing MWI

2014-12-24 Thread ronaldheld
*arXiv:1412.7352* http://arxiv.org/abs/1412.7352 (cross-list from gr-qc) [ *pdf* http://arxiv.org/pdf/1412.7352, *ps* http://arxiv.org/ps/1412.7352, *other* http://arxiv.org/format/1412.7352] Title: Testing the Everett Interpretation of Quantum Mechanics with Cosmology Authors: *Aurelien

Re: Methusalem problem for MWI?

2014-11-16 Thread Bruno Marchal
On 08 Nov 2014, at 04:55, LizR wrote: On 8 November 2014 11:50, zibb...@gmail.com wrote: Sure, but in the same vein as where Peter goes, photosynthesis in this universe always finds the most efficient path where there are many others. I have'n't heard an answer to that yet, that addresses

Re: Methusalem problem for MWI?

2014-11-15 Thread zibbsey
, like a spontaneous quantum jup of all the atoms in your body, or similarly possible but more-than-astronomically-unlikely scenarios. I doubt if photosynthesis has a 1 in a googolplex chance of working! I thought there might be a criteria for perhaps a personal falsification of MWI

Re: Methusalem problem for MWI?

2014-11-15 Thread John Clark
On Fri, Nov 7, 2014 at 5:50 PM, zibb...@gmail.com wrote: photosynthesis in this universe always finds the most efficient path where there are many others. That is incorrect. Using natural sunlight the maximum theoretical efficiency in turning water and CO2 into glucose and free oxygen

Re: Methusalem problem for MWI?

2014-11-15 Thread zibbsey
On Saturday, November 15, 2014 6:25:37 PM UTC, John Clark wrote: On Fri, Nov 7, 2014 at 5:50 PM, zib...@gmail.com javascript: wrote: photosynthesis in this universe always finds the most efficient path where there are many others. That is incorrect. Using natural sunlight the

Re: Methusalem problem for MWI?

2014-11-15 Thread zibbsey
On Saturday, November 15, 2014 6:25:37 PM UTC, John Clark wrote: On Fri, Nov 7, 2014 at 5:50 PM, zib...@gmail.com javascript: wrote: photosynthesis in this universe always finds the most efficient path where there are many others. That is incorrect. Using natural sunlight the

Re: Methusalem problem for MWI?

2014-11-15 Thread meekerdb
On 11/15/2014 10:25 AM, John Clark wrote: On Fri, Nov 7, 2014 at 5:50 PM, zibb...@gmail.com mailto:zibb...@gmail.com wrote: photosynthesis in this universe always finds the most efficient path where there are many others. That is incorrect. Using natural sunlight the maximum

Re: Methusalem problem for MWI?

2014-11-15 Thread zibbsey
On Saturday, November 15, 2014 8:22:37 PM UTC, Brent wrote: On 11/15/2014 10:25 AM, John Clark wrote: On Fri, Nov 7, 2014 at 5:50 PM, zib...@gmail.com javascript: wrote: photosynthesis in this universe always finds the most efficient path where there are many others. That

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