From: Matt Mahoney (firstname.lastname@example.org)
Date: Mon Jan 05 2009 - 10:55:25 MST
--- On Mon, 1/5/09, Nick Tarleton <email@example.com> wrote:
> On Mon, Jan 5, 2009 at 12:18 PM, Matt Mahoney
> <firstname.lastname@example.org> wrote:
> > False. If X simulates Y, then K(X) > K(Y) because X has an exact model of
> > the mental state of Y. This implies that Y cannot also simulate X because it
> > would require K(Y) > K(X).
> No - we define the simulation as part of X's environment.
How does that follow? By simulation, I mean that X runs a program that correctly predicts what Y would do for any given input. This implies that X can describe Y. This implies that the Kolmogorov complexity of X must be at least that of Y. It must be strictly greater if X does anything else besides simulate Y.
-- Matt Mahoney, email@example.com
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