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Occam's Razor is the philosophical principle that, all things being equal, the answer with the fewest assumptions is usually the right one (often refered to as the "simplest" solution).<ref>http://skepdic.com/occam.html</ref> However many scientists and philosophers have disputed over the definition of "simplest". Some suggest "simplest" means the shortest possible description (called [[Kolmogorov complexity]]); other suggest that it means the description with on average shortest word length. Still others have argued that the simplest model is the one which makes the most precise predictions.