timtyler comments on Less Wrong: Open Thread, September 2010 - Less Wrong
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There is at least one post about that - though I don't entirely approve of it.
Occam's razor is not exactly empirical. Evidence is involved - but it does let you choose between two theories both of which are compatible with the evidence without doing further observations. It is not empirical - in that sense.
Occam's razor isn't empirical, but it is the economically rational decision when you need to use one of several alternative theories (that are exactly "compatible with the evidence"). Besides, "further observations" are inevitable if any of your theories are actually going to be used (i.e. to make predictions [that are going to be subsequently 'tested']).