private_messaging comments on An Intuitive Explanation of Solomonoff Induction - Less Wrong
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I will try to prove that solomonoff induction leads to solipsism:
The most simple explanation for everything is solipsism: Only my mind exists, nothing else. All experiences of an outside world are dream-like illusions. The world is very, very much more complex than my mind. Therefore, according to solomonoffs lightsaber, the prior for Solipsism = 1-epsilon No reasonable amount of evidence can counter a prior that is that extreme.
Therefore, if solomoff induction is true, then solipsism is true.
A point I've been trying to make here, to no avail, is that S.I. is about finding predictors not explainers (codes that output string beginning with the data not codes outputting the string containing the data). "Solipsism" isn't really a predictor of anything, and neither are other philosophical stances, nor are some parts of some physical theories by themselves with omission of some other parts of those theories.