(The Law of Parsimony) is a more general maxim that decrees that in making explanations, you should not make more assumptions than the minimum needed, so if a phenomenon can be explained in terms of simple rather than more complex ways, it is more likely to be correct. The more assumptions you have to make, the more unlikely an explanation is. This principle underpins all scientific theory building. It is easy to make rash assumptions about horse behaviour, intent and purpose.
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