RE: White Rabbit vs. Tegmark

From: Jonathan Colvin <jcolvin.domain.name.hidden>
Date: Sat, 28 May 2005 10:14:44 -0700

Hal:
> To summarize, logic is not a property of universes. It is a
> tool that our minds use to understand the world, including
> possible universes.
> We may fail to think clearly or consistently or logically
> about what can and cannot exist, but that doesn't change the
> world out there.
>
> Rather than expressing the AUH as the theory that all
> "logically possible"
> universes exist, I would just say that all universes exist.
> And of course as we try to understand the nature of such a
> multiverse, we will attempt to be logically consistent in our
> reasoning. That's where logic comes in.

But "all universes exist" is merely a tautology. To say anything meaningful,
one is then faced with attempting to define what one means by "universe", or
"exist". The concept of "logically possible" seems to me to be useful in
this latter endeavor.

Jonathan Colvin
Received on Sat May 28 2005 - 13:18:07 PDT