Re: The Nature of Contingency: Quantum Physics as Modal Realism

On Tue, Apr 5, 2022 at 3:56 PM Bruce Kellett wrote: > On Tue, Apr 5, 2022 at 3:53 PM Brent Meeker wrote: > >> On 4/4/2022 8:46 PM, Bruce Kellett wrote: >> >> On Tue, Apr 5, 2022 at 12:15 PM Brent Meeker >> wrote: >> >>> This paper https://arxiv.org/pdf/quant-ph/0103079.pdf gives an >>>

Re: When Conservation of Energy FAILS! (Noether's Theorem)

I have read this some years ago. The question is whether out to second derivative we have conservation laws. From a classical mechanics perspective if we map to a Hamiltonian theory by Legendre transformation it means instead of a doublet of conjugate varaibles, say (q, p). we have a triplet

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On 4/4/2022 11:45 PM, Bruce Kellett wrote: On Tue, Apr 5, 2022 at 3:56 PM Bruce Kellett wrote: On Tue, Apr 5, 2022 at 3:53 PM Brent Meeker wrote: On 4/4/2022 8:46 PM, Bruce Kellett wrote: On Tue, Apr 5, 2022 at 12:15 PM Brent Meeker wrote:

Re: When Conservation of Energy FAILS! (Noether's Theorem)

On Mon, Apr 4, 2022 at 8:32 PM Lawrence Crowell < goldenfieldquaterni...@gmail.com> wrote: When Conservation of Energy FAILS! (Noether's Theorem) >> >> > > >> *I disagree with his statement about the CMB, for the most part. The > universe early on

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On 05-04-2022 05:46, Bruce Kellett wrote: On Tue, Apr 5, 2022 at 12:15 PM Brent Meeker wrote: This paper https://arxiv.org/pdf/quant-ph/0103079.pdf gives an explicit account of an EPR type experiment which says observers are "labeled" so that only the compatible observes can communicate.

Re: The Nature of Contingency: Quantum Physics as Modal Realism

Thanks, worth reading in detail! Section 4.2 may be especially interesting as that experiment involving 3 spins has deterministic outcomes for he given choice of measurements and therefore a more straightforward ruling out of local deterministic theories. Saibal On 05-04-2022 04:15, Brent

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On Wed, Apr 6, 2022 at 1:13 AM smitra wrote: > On 05-04-2022 05:46, Bruce Kellett wrote: > > > > > What do you make of this? Others have referred me to the Rubin paper. > > I have looked at it, and remain unimpressed. He claims that "Bell's > > theorem is avoided because the counterfactual

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On Wed, Apr 6, 2022 at 9:03 AM smitra wrote: > On 06-04-2022 00:21, Bruce Kellett wrote: > > On Wed, Apr 6, 2022 at 1:13 AM smitra wrote: > >> > >> The conclusion that local hidden variables are rules out does depend on > >> an argument about what would have happened had different polarizer >

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On 05-04-2022 01:24, Bruce Kellett wrote: On Tue, Apr 5, 2022 at 7:16 AM smitra wrote: On 04-04-2022 01:38, Bruce Kellett wrote: On Mon, Apr 4, 2022 at 12:52 AM smitra wrote: MWI is deterministic, but it's not a hidden variable theory. Bell's theorem is proved by assuming you have local

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On 4/5/2022 4:02 PM, smitra wrote: On 06-04-2022 00:21, Bruce Kellett wrote: On Wed, Apr 6, 2022 at 1:13 AM smitra wrote: On 05-04-2022 05:46, Bruce Kellett wrote: What do you make of this? Others have referred me to the Rubin paper. I have looked at it, and remain unimpressed. He

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On 4/5/2022 3:18 PM, Bruce Kellett wrote: On Wed, Apr 6, 2022 at 2:49 AM Brent Meeker wrote: On 4/4/2022 11:45 PM, Bruce Kellett wrote: This piles arbitrary speculation on arbitrary speculation. The introduction of continuous infinities of observers is a dodgy move, since no

Re: When Conservation of Energy FAILS! (Noether's Theorem)

On Tuesday, April 5, 2022 at 6:24:27 AM UTC-5 johnk...@gmail.com wrote: > On Mon, Apr 4, 2022 at 8:32 PM Lawrence Crowell > wrote: > > When Conservation of Energy FAILS! (Noether's Theorem) >>> >>> >> >> >> *I disagree with his statement about the

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On Wed, Apr 6, 2022 at 8:27 AM Brent Meeker wrote: > On 4/5/2022 3:18 PM, Bruce Kellett wrote: > > On Wed, Apr 6, 2022 at 2:49 AM Brent Meeker wrote: > >> On 4/4/2022 11:45 PM, Bruce Kellett wrote: >> >> This piles arbitrary speculation on arbitrary speculation. The >> introduction of

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On 06-04-2022 00:21, Bruce Kellett wrote: On Wed, Apr 6, 2022 at 1:13 AM smitra wrote: On 05-04-2022 05:46, Bruce Kellett wrote: What do you make of this? Others have referred me to the Rubin paper. I have looked at it, and remain unimpressed. He claims that "Bell's theorem is avoided

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On Wed, Apr 6, 2022 at 2:49 AM Brent Meeker wrote: > On 4/4/2022 11:45 PM, Bruce Kellett wrote: > > This piles arbitrary speculation on arbitrary speculation. The > introduction of continuous infinities of observers is a dodgy move, since > no measure over these infinities has been defined. We

Re: The Nature of Contingency: Quantum Physics as Modal Realism

On 06-04-2022 01:14, Bruce Kellett wrote: On Wed, Apr 6, 2022 at 9:03 AM smitra wrote: On 06-04-2022 00:21, Bruce Kellett wrote: On Wed, Apr 6, 2022 at 1:13 AM smitra wrote: The conclusion that local hidden variables are rules out does depend on an argument about what would have