What is Science: Is Science about Reductionism or Holism?

In my last post I discussed Scientific Realism vs. Positivism. The conclusion I drew was that, while both are useful points of view, Scientific Realism is the one you want if your desire is to comprehend reality. In this post, I’m going to discuss Deutsch’s arguments surrounding Reductionism and Holism, two points of view that Deutsch argues are also a hindrance to Scientific Realism.


Deutsch describes Reductionism as the belief that:

…science allegedly explains things reductively – by analysing them into components. For example, the resistance of a wall to being penetrated or knocked down is explained by regarding the wall as a vast aggregation of interacting molecules. The properties of those molecules are themselves explained in terms of their constituent atoms, and the interactions of these atoms with one another, and so on down to the smallest particles and most basic forces. Reductionists think that all scientific explanations, and perhaps all sufficiently deep explanations of any kind, take this form. (The Fabric of Reality, p. 19)

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