Re: Evidence that the universe is simulated

From: Matt Mahoney (
Date: Fri Jan 25 2008 - 11:09:09 MST

--- Vladimir Nesov <> wrote:

> On Jan 25, 2008 6:20 PM, Matt Mahoney <> wrote:
> >
> > What I mean is, if we lived in a universe where certain things worked
> > perfectly, including our model of it, then that universe would not be
> Turing
> > computable. It is hard to imagine such a universe because we don't live
> in
> > one. The fact that we can't imagine it (because a perfect model is
> > impossible) is evidence that the universe is Turing computable.
> It's easy to imagine such universe, as a mathematical model. Point is
> that even if you do live in such universe, you can't be sure of it.
> Its inhabitants can't know that rules won't change at some future
> point, they can only know that they haven't changed for all history of
> observation.

They could know if their thought process was based on mathematical proof,
unlike the way we think.

-- Matt Mahoney,

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