21 October, 2007

Things we learn in school - Causality

In the beginning, as far as we can tell, causality was not problematic. The urge to ask WHY and the capacity to find causal explanations came very early in human development. The bible, for example, tells us that just a few hours after tasting from the tree of knowledge, Adam is already an expert in causal arguments. When God asks: "Did you eat from that tree?" This is what Adam replies: "The woman whom you gave to be with me, She handed me the fruit from the tree; and I ate." Eve is just as skillful: "The serpent deceived me, and I ate."

The thing to notice about this story is that God did not ask for explanation, only for the facts: It was Adam who felt the need to explain - the message is clear, causal explanation is a man-made concept. Another interesting point about the story: explanations are used exclusively for passing responsibilities. Indeed, for thousands of years explanations had no other function. Therefore, only Gods, people and animals could cause things to happen, not objects, events or physical processes.


quoted from "The Art and Science of Cause and Effect". A lecture by Judea Pearl.

Cool. :)

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