Stephen Downes

Knowledge, Learning, Community

According to Google, I'm the first to say this: classes aren't causes.

Let me explain what I mean. This article asks what makes a theory 'deep', as opposed to superficial. The authors suggest, "superficial theories have minimal explanatory content, whereas deep theories have excess explanatory content." An explanation typically involves a causal relationship, but the authors use this formulation to allow for classes of things - functions, dispositions, categories - to describe causes. As in, for example, "poison causes death." But the property of 'being a poison' isn't what makes a thing cause death. That's just a classification of a substance, a way of describing it. We may as well say 'skull and crossbones cause death'. So I say "classes aren't causes." For me, a 'deep' theory describes a specific mechanism where actual interactions between one thing and another cause a specific effect. Such explanations may be generalized, but the generalization forms no part of the explanation. In my view.

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Stephen Downes Stephen Downes, Casselman, Canada
stephen@downes.ca

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Last Updated: Aug 28, 2025 9:15 p.m.

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