Re: Which mathematical structure -is- the universe in Physics?

2008-04-25 Thread Bruno Marchal
Le 24-avr.-08, à 18:26, nichomachus a écrit : On Apr 22, 11:28 pm, Brian Tenneson [EMAIL PROTECTED] wrote: Perhaps Hilbert was right and Physics ought to have been axiomatized when he suggested it.  ;)  Then again, there might not have been a motivation to until recently with Tegmark's

Re: Which mathematical structure -is- the universe in Physics?

2008-04-25 Thread Brian Tenneson
quote I think we have no choice in the matter (once we assume the unbelievable comp hyp.). The physical is not just a mathematical structure among others. The physical emerged from a sort of sum pertaining on the whole of the mathematical possible histories. If this does not give the empirical

Re: Quantum Immortality = no second law

2008-04-25 Thread Günther Greindl
The focus of my paper is on theories in principle fully describing universes (or u-reality). The term 'logically possible' is intended to contrast with 'physically possible' and refers to descriptions (theories) being internally non-contradictory (more in note 4 in my paper). OK Classical

Re: Which mathematical structure -is- the universe in Physics?

2008-04-25 Thread nichomachus
On Apr 24, 12:08 pm, Brian Tenneson [EMAIL PROTECTED] wrote: I was attempting to -invalidate- that argument against the existence of the universe, actually, by saying that in three truth values, which the Physicists can't rule out as being the more accurate logic of their universe, the

Re: Which mathematical structure -is- the universe in Physics?

2008-04-25 Thread nichomachus
On Apr 25, 5:27 am, Bruno Marchal [EMAIL PROTECTED] wrote: Le 24-avr.-08, à 18:26, nichomachus a écrit : On Apr 22, 11:28 pm, Brian Tenneson [EMAIL PROTECTED] wrote: Perhaps Hilbert was right and Physics ought to have been axiomatized when he suggested it.  ;)  Then again, there