Combining Texts

Ideas for 'Externalism', 'Sentences' and 'An Argument for the Identity Theory'

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7. Existence / C. Structure of Existence / 5. Supervenience / a. Nature of supervenience

6155	Supervenience is a one-way relation of dependence or determination between properties [Rowlands]
	Full Idea: Supervenience is essentially a one-way relation of dependence or determination, …which holds, in the first instance, between properties.
	From: Mark Rowlands (Externalism [2003], Ch.2)
	A reaction: This definition immediately shows why supervenient properties are in danger of being epiphenomenal (i.e. causally irrelevant). Carefully thought about the notion of a 'one-way' relation will, I think, make it more obscure rather than clearer.