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Anything that can exist, must

June 20, 2009 1 comment

Via Peter Woit (Not Even Wrong) : The NEW justification for multiverses (from Thibault Damour) seems to be `Leibniz’s “Principle of Plenitude”:

all logically possible “things” (be they objects, beings or, even, worlds) have a tendency to (and therefore must, if one does not want contingency – be it God’s whim – to reign) exist.

I wonder if that applies to the Dyson sphere.

(It is also worth thinking about why the ‘t Hooft-Polyakov monopole does not exist.)

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