Re: Is QTI false?

2011-03-31 Thread Bruno Marchal
Brent, Nick, On 31 Mar 2011, at 03:06, meekerdb wrote: On 3/30/2011 3:15 PM, Nick Prince wrote: In Russell’s book there is a section on “Arguments against QTI” And I want to put forward some issues arising from this. It seems that (if MWI is true) we live in world(s) in which we appear to li

Re: Is QTI false?

2011-03-31 Thread Stathis Papaioannou
On Thu, Mar 31, 2011 at 9:15 AM, Nick Prince wrote: > In Russell’s book there is a section on “Arguments against QTI” > And I want to put forward some issues arising from this. > > It seems that (if MWI is true) we live in world(s) in which we appear > to live a finite, small lifetime of around 70

Re: Is QTI false?

2011-03-31 Thread Stathis Papaioannou
On Thu, Mar 31, 2011 at 11:43 AM, Russell Standish wrote: > This is a variant of an argument that David Parfit uses in his book > "Reasons and Persons", where he considers a continuum from his mind > to that of Napoleon. (Don't flame me if I get the details wrong - the > essence is what is import

Re: Is QTI false?

2011-03-31 Thread Bruno Marchal
On 31 Mar 2011, at 13:53, Stathis Papaioannou wrote: On Thu, Mar 31, 2011 at 9:15 AM, Nick Prince wrote: In Russell’s book there is a section on “Arguments against QTI” And I want to put forward some issues arising from this. It seems that (if MWI is true) we live in world(s) in which we app

Re: Is QTI false?

2011-03-31 Thread Stephen Paul King
-Original Message- From: Bruno Marchal Sent: Thursday, March 31, 2011 8:52 AM To: everything-list@googlegroups.com Subject: Re: Is QTI false? On 31 Mar 2011, at 13:53, Stathis Papaioannou wrote: On Thu, Mar 31, 2011 at 9:15 AM, Nick Prince wrote: In Russell’s book there is a secti

Re: Is QTI false?

2011-03-31 Thread Bruno Marchal
On 31 Mar 2011, at 15:35, Stephen Paul King wrote: -Original Message- From: Bruno Marchal Sent: Thursday, March 31, 2011 8:52 AM To: everything-list@googlegroups.com Subject: Re: Is QTI false? On 31 Mar 2011, at 13:53, Stathis Papaioannou wrote: On Thu, Mar 31, 2011 at 9:15 AM, Nic

Re: Causality = 1p Continuity?

2011-03-31 Thread Stephen Paul King
-Original Message- From: Bruno Marchal Sent: Thursday, March 31, 2011 12:33 PM To: everything-list@googlegroups.com Subject: Re: Is QTI false? On 31 Mar 2011, at 15:35, Stephen Paul King wrote: snip *** Hi! There seems to be a conflation of the ideas of the continuity of 1st p

Re: Is QTI false?

2011-03-31 Thread Nick Prince
On Mar 31, 1:43 am, Russell Standish wrote: > The observation that other people never seem to live beyond a certain > age is not evidence against the NCDSC. Only logical > impossibility can count. Even physical impossibility is insufficient, > because there is always the possibility of mind upl

Re: Is QTI false?

2011-03-31 Thread Nick Prince
>Bruno wrote > With both QTI and COMP-TI we cannot go from being very old to being a   > baby. We can may be get slowly younger and younger in a more   > continuous way, by little backtracking. We always survive in the most   > normal world compatible with our states. But some kind of jumps are   >

Re: Is QTI false?

2011-03-31 Thread Nick Prince
Stathis wrote > That we don't see extremely old people is consistent with QTI, since > from the third person perspective rare events such as living to a > great age happen only rarely. However, from the first person > perspective you will live to a great age, and this will happen in the > most pr

Re: Is QTI false?

2011-03-31 Thread Stathis Papaioannou
On Fri, Apr 1, 2011 at 8:42 AM, Nick Prince wrote: > Stathis wrote > > >> That we don't see extremely old people is consistent with QTI, since >> from the third person perspective rare events such as living to a >> great age happen only rarely. However, from the first person >> perspective you wil

Re: Is QTI false?

2011-03-31 Thread Johnathan Corgan
On Thu, Mar 31, 2011 at 9:33 AM, Bruno Marchal wrote: > Or something like that. Quantum logic (and also its arithmetical form) has > many notion of implication. The one above is the closer to the Sazaki Hook > which Hardegree used to show that orthomodularity in quantum ortholattice is > related

Re: Re: Is QTI false?

2011-03-31 Thread meekerdb
   On 03/31/11, Nick Prince wrote:>Bruno wrote> With both QTI and COMP-TI we cannot go from being very old to being a  > baby. We can may be get slowly younger and younger in a more  > continuous way, by little backtracking. We always survive in the most  > normal world compatible with our states.

Re: Is QTI false?

2011-03-31 Thread stephenk
On Mar 31, 8:10 pm, meeke...@verizon.net wrote: > > > On 03/31/11,Nick Princewrote:>Bruno wrote > > With both QTI and COMP-TI we cannot go from being very old to being a   > > baby. We can may be get slowly younger and younger in a more   > > continuous way, by little backtracking. We always surv

Re: Is QTI false?

2011-03-31 Thread Russell Standish
On Thu, Mar 31, 2011 at 02:52:44PM +0200, Bruno Marchal wrote: > > It is here that if we apply Bayes' theorem (like in the Doomday > argument), we should be astonished not being already very old (from > our first person perspective). But Bayes cannot be applied in this > setting, as we have alread

Re: Is QTI false?

2011-03-31 Thread meekerdb
On 3/31/2011 5:58 PM, Russell Standish wrote: On Thu, Mar 31, 2011 at 02:52:44PM +0200, Bruno Marchal wrote: It is here that if we apply Bayes' theorem (like in the Doomday argument), we should be astonished not being already very old (from our first person perspective). But Bayes cannot be

Re: Is QTI false?

2011-03-31 Thread Russell Standish
On Thu, Mar 31, 2011 at 09:52:25PM -0500, meekerdb wrote: > >Standish, and weighted by the universal prior, giving more weight to > >being a baby than an adult. > Is that assuming that QM uncertainty increases to the future but not > the past:? > > Brent In QM, the state evolves unitarily, which

Re: Is QTI false?

2011-03-31 Thread meekerdb
On 3/31/2011 10:08 PM, Russell Standish wrote: On Thu, Mar 31, 2011 at 09:52:25PM -0500, meekerdb wrote: Standish, and weighted by the universal prior, giving more weight to being a baby than an adult. Is that assuming that QM uncertainty increases to the future but not the past:?

Re: Is QTI false?

2011-03-31 Thread Russell Standish
On Thu, Mar 31, 2011 at 10:20:58PM -0500, meekerdb wrote: > > Couldn't the person have been born at different times too? QM > Hamiltonians are time symmetric. If you try to infer the past you > also have unitary evolution - just in the other direction. So I'm > wondering where the arrow of time