Kevin Knuth has been able to show how local Lorentz invariance emerges
from relations between multiple observers! See his talk here
http://pirsa.org/10050054/ (all the way to the end). The Q&A portion is
On Thu, Jan 9, 2014 at 4:33 PM, meekerdb <meeke...@verizon.net> wrote:
> On 1/9/2014 10:58 AM, LizR wrote:
> On 10 January 2014 06:50, Stephen Paul King
>> Dear Bruno,
>> I have to agree with Alberto on this point.
>> On Thu, Jan 9, 2014 at 12:34 PM, Bruno Marchal <marc...@ulb.ac.be>wrote:
>>> On 09 Jan 2014, at 16:30, Alberto G. Corona wrote:
>>> But the UD argument predict that all the possible universes with all
>>>> possible laws will be produced.
>> AR does not restrict the types of physical laws of universes that it
>> can represent, so barring a separate mechanism I cannot see how Alberto's
>> claim is false!
> I too made this claim recently. I assumed that an infinity of
> computations producing all possible experiences would include experiences
> of different physical laws (e.g. the speed of light 1 km/hr faster). Why
> wouldn't it? Does comp uniquely determine c?
> I think the question is whether comp determines that the world is
> (locally) Lorentz invariant. If it is, then c is just a unit conversion
> factor between the + and - signature terms. It's value is arbitrary, like
> "how many feet in a mile", which is why it is now an exact number in SI
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