SilasBarta comments on Avoiding doomsday: a "proof" of the self-indication assumption - Less Wrong

18 Post author: Stuart_Armstrong 23 September 2009 02:54PM

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Tags: doomsday probability thought experiment anthropic maths reasoning

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Comment author: SilasBarta 24 September 2009 02:46:35PM *  0 points [-]

Your TL post said:

The non-intuitive form of SIA simply says that universes with many observers are more likely than those with few.

And you just replaced "observers" with "observers who think they are human", so it seems like the SIA does in fact say that universes with many observers who think they are human are more likely than those with few.

Comment author: Stuart_Armstrong 24 September 2009 02:50:18PM 0 points [-]

Sorry, sloppy language - I meant "you, being an observer, are more likely to exist in a universe with many observers".

Comment author: SilasBarta 24 September 2009 03:20:53PM 1 point [-]

So then the full anthrocentric SIA would be, "you, being an observer that believes you are human, are more likely to exist in a universe with many observers who believe they are human".

Is that correct? If so, does your proof prove this stronger claim?

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