Re: How To Live In A Simulation

From: Nick Bostrom (
Date: Thu Mar 15 2001 - 15:38:18 MST

Simo K. Kilponen wrote:

>If we were to live in a world simulated in a sense of a computer
>simulation, the detail of the sim would need to be limited and
>we would notice it somehow then. Perhaps a new way to explain uncertainity
>principle ? ;-)

Didn't Moravec make this suggestion somewhere? Or was it Tegmark? I know
I've heard it before.

>But what about baby/overlapping universes? Could the word 'simulation'
>be applied also to these? And would the other universes need to be
>limited in detail as well?

I used the word "simulation" in the ordinary sense, but my reasoning would
apply also to the idea of creating baby universes. It would then go like
this: If we will ever create many baby-universes with lots of observers in
them (many more than there are in our universe) that are observing exactly
what we are observing, then it is highly probable that our universe is a

Nick Bostrom
Department of Philosophy
Yale University

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