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Lumifer comments on Is simplicity truth indicative? - Less Wrong Discussion

4 Post author: 27chaos 04 August 2015 05:47PM

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Comment author: Lumifer 04 August 2015 07:54:01PM 0 points [-]

Occam's Razor is a heuristic, that is, a convenient rule of thumb that usually gives acceptable results. It is not a law of nature or a theorem of mathematics (no, not an axiom either). It basically tells you what humans are likely to find more useful. It does not tell you -- and does not even pretend to tell you -- what is more likely to be true.

Comment author: torekp 04 August 2015 10:26:40PM -1 points [-]

But humans define "likely" in part via considerations of simplicity. This doesn't guarantee that the long run average of percentage correct conclusions will decline with complexity. But it makes it more likely.

Comment author: Lumifer 04 August 2015 11:36:26PM 2 points [-]

Whether a hypothesis turns out to be a better match for reality than another hypothesis does not depend on how humans define "likely".