Thus, suppose it is true that we inevitably approach the world with a particular set of preferred categories, partly set by our culture and history. It still does not follow that all such sets are equally ‘good’. Some sets have been discarded for good and sufficient reason. A scientific environment is (ideally) an environment in which the constant process of experimenting, predicting, and testing, weeds out the bad ideas. Only the ones that survive go on into the next generation. This is not to say that actual scientific environments are as ideal as all that: at any time science can no doubt
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