On Wed, Sep 4, 2013 at 12:53 PM, Bruno Marchal <marc...@ulb.ac.be> wrote:

> > Assuming comp it is "absolutely undecidable if our "universe" (if it
> exists) is enumerable or not enumerable,

I make no assumptions whatsoever regarding "comp", I never touch the stuff;
but if time and space are quantized (a big "if" I admit) then our universe
is enumerable and, although you would need to overcome gargantuan
technological challenges, it should be possible to demonstrate that fact

And Bruno, if our universe does not exist how would things be different if
it did?

> > I don't assume there is a physical universe,

What difference would it make one way or the other? And what do you mean by

 John K Clark

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