# Eliezer_Yudkowsky comments on The Hero With A Thousand Chances - Less Wrong

63 31 July 2009 04:25AM

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Comment author: 02 August 2009 01:26:09AM 2 points [-]

I was waiting to see how long it would take for someone to point this out.

And the "answer" - which, yes, I devised in advance - is that the Dust destroys its worlds completely by compressing the probability out of them, whereupon the probability mass ends up in other worlds. Sort of like "mangled worlds" only these are "squeezed worlds" that have the reality-juice squeezed out of them.

However, anyone in a particular world thus destroyed, gets to observe the takeover of the Dust, since the Dust requires some time to actually compress that world out of existence.

Alternatively we can suppose that a majority of all worlds performing summonings are those in Aerhien's situation: no worlds with a "real" Counter-Force, or worlds that permanently destroyed their Dust, are performing summonings in significant measure. For example, the Dust's existence could be integral to the summoning process.

Comment author: 18 November 2009 05:07:34AM 4 points [-]

Actually, a better answer than the one I originally thought of, is that the Dust is responsible for their world splitting (in a way which causes it to increase in measure). So worlds which permanently defeat the Dust don't increase in measure past that point, worlds in which the Dust takes over don't summon anyone, and hence the majority of measure in worlds that can still perform summonings are those worlds which have survived but not yet defeated the Dust.

Comment author: 02 August 2009 04:21:39AM 1 point [-]

I pointed it out a few days ago :-)

The Dust's existence being integral to the summoning process sounds plausible - it would help to explain why there isn't a large measure of surviving/victorious worlds engaging in cross universe commerce. Intuitively, that fits with the Dust squeezing probability mass; perhaps it creates something like a comet's tail of evaporating improbability, some of which the summoning spell taps?