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9650 | Supervenience concerns whether things could differ, so it is a modal notion [Lewis] |
Full Idea: The idea of supervenience is when there could be no difference of one sort without difference of another sort. ..Clearly this 'could' indicates modality, and without modality we have nothing of interest. | |
From: David Lewis (On the Plurality of Worlds [1986], 1.2) | |
A reaction: This might explain why philosophers are going to be more at home with the concept than neuroscientists would be. |