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25 April 2024
 
  » arxiv » 1507.4121

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Solomonoff Induction Violates Nicod's Criterion
Jan Leike ; Marcus Hutter ;
Date 15 Jul 2015
AbstractNicod’s criterion states that observing a black raven is evidence for the hypothesis H that all ravens are black. We show that Solomonoff induction does not satisfy Nicod’s criterion: there are time steps in which observing black ravens decreases the belief in H. Moreover, while observing any computable infinite string compatible with H, the belief in H decreases infinitely often when using the unnormalized Solomonoff prior, but only finitely often when using the normalized Solomonoff prior. We argue that the fault is not with Solomonoff induction; instead we should reject Nicod’s criterion.
Source arXiv, 1507.4121
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