Combining Texts

Ideas for 'The Psychophysical Nexus', 'Rationality and Logic' and 'Tusculan Disputations'

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2 ideas

7. Existence / C. Structure of Existence / 5. Supervenience / b. Types of supervenience

11055	Supervenience can add covariation, upward dependence, and nomological connection [Hanna]
	Full Idea: 'Strong supervenience' involves necessary covariation of the properties, and upward dependence of higher level on lower level. ...If we add a nomological connection between the two, then we have 'superdupervenience'.
	From: Robert Hanna (Rationality and Logic [2006], 1.2)
	A reaction: [compressed] Very helpful. A superdupervenient relationship between mind and brain would be rather baffling if they were not essentially the same thing. (which is what I take them to be).

7. Existence / C. Structure of Existence / 5. Supervenience / c. Significance of supervenience

4242	Pure supervenience explains nothing, and is a sign of something fundamental we don't know [Nagel]
	Full Idea: Pure, unexplained supervenience is never a solution to a problem but a sign that there is something fundamental we don't know.
	From: Thomas Nagel (The Psychophysical Nexus [2000], §III)
	A reaction: This seems right. It is not a theory or an explanation, merely the observation of a correlation which will require explanation. Why are they correlated?