Causes and explanations: A structural-model approach. Part II: Explanations

JY Halpern, J Pearl�- The British journal for the philosophy of�…, 2005 - journals.uchicago.edu
The British journal for the philosophy of science, 2005journals.uchicago.edu
We propose new definitions of (causal) explanation, using structural equations to model
counterfactuals. The definition is based on the notion of actual cause, as defined and
motivated in a companion article. Essentially, an explanation is a fact that is not known for
certain but, if found to be true, would constitute an actual cause of the fact to be explained,
regardless of the agent's initial uncertainty. We show that the definition handles well a
number of problematic examples from the literature.
Abstract
We propose new definitions of (causal) explanation, using structural equations to model counterfactuals. The definition is based on the notion of actual cause, as defined and motivated in a companion article. Essentially, an explanation is a fact that is not known for certain but, if found to be true, would constitute an actual cause of the fact to be explained, regardless of the agent's initial uncertainty. We show that the definition handles well a number of problematic examples from the literature.
The University of Chicago Press
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