'''Occam's razor''' (sometimes '''Ockham's razor''') is a principle that, in short, can be described as ''the hypothesis that makes the least assumptions is the best answer for the phenomenon in question''. Note that Occam's razor does not say that the more simple a hypothesis, the better. It is also called a methodological tool reflecting the imperative ''don't invent unnecessary entities to explain something.''<ref name="DeniableDarwin">{{cite book | '''Occam's razor''' (sometimes '''Ockham's razor''') is a principle that, in short, can be described as ''the hypothesis that makes the least assumptions is the best answer for the phenomenon in question''. Note that Occam's razor does not say that the more simple a hypothesis, the better. It is also called a methodological tool reflecting the imperative ''don't invent unnecessary entities to explain something.''<ref name="DeniableDarwin">{{cite book |