Categories and Family resemblance

As this kind of thinking became more predominant, a different picture emerged of the fundamental nature of reality. For one thing, the borders between the different substances began to blur. Once we see an organism as a system, it becomes natural to see that organism as also part of a much larger system, which in turn is part of a still larger system, and so on. The natural goal implied by this perspective is to see the universe as one big system run by a single set of fundamental laws. This goal seemed tantalizingly close after the discoveries of Newton. Among his many other accomplishments, he…