Re: White Rabbit vs. Tegmark

From: Stephen Paul King <stephenk1.domain.name.hidden>
Date: Sat, 28 May 2005 14:27:57 -0400

Hi Jonathan,

    Should we not expect Platonia to be Complete?

Stephen

----- Original Message -----
From: "Jonathan Colvin" <jcolvin.domain.name.hidden>
To: "'Everything-List'" <everything-list.domain.name.hidden>
Sent: Saturday, May 28, 2005 1:30 PM
Subject: RE: White Rabbit vs. Tegmark


>
>>Brent: I doubt that the concept of "logically possible" has any
>> absolute meaning. It is relative to which axioms and
>> predicates are assumed.
>
> That's rather the million-dollar question, isn't it? But isn't the
> multiverse limited in what axioms or predicates can be assumed? For
> instance, can't we assume that in no universe in Platonia can (P AND ~P)
> be
> an axiom or predicate?
>
>>Not long ago the quantum weirdness
>> of Bell's theorem, or special relativity would have been
>> declared "logically impossible".
>
> That declaration would simply have been mistaken.
>
> Is it logically possible
>> that Hamlet doesn't kill Polonius?
>
> Certainly. I'm sure there are people named "Hamlet" who have not killed a
> person named "Polonius".
>
>> Is it logically possible
>> that a surface be both red and green?
>
> If you are asking whether it is logically possibly that a surface that can
> reflect *only* light at a wavelength of 680 nm can reflect a wavelength of
> 510 nm, the answer would seem to be "no".
>
> Jonathan Colvin
>
>
Received on Sat May 28 2005 - 14:33:18 PDT