Supervenience, Weak
SUPERVENIENCE, WEAK: Where A and B are things, facts, events, or properties, B weakly supervenes on A if and only if nothing will vary in its B-features without also correspondingly varying in its A-features, or alternatively: no two things will share all their A-features in common unless they also will share all their B features in common, or again alternatively: any two things that are identical with respect to all their A-features will also be identical with respect to all their B-features.
ELABORATION
The principal difference between weak and strong supervenience is that weak supervenience preserves the co-variation element of strong supervenience, without either the upwards necessitation element in particular, or necessitation more generally.
REFERENCES
(Chalmers, 1996). Chalmers, D., The Conscious Mind: In Search of a Fundamental Theory. New York: Oxford Univ. Press.
(Horgan, 1993). Horgan, T. “From Supervenience to Superdupervenience: Meeting the Demands of a Material World.” Mind 102: 555-586.
(Kim, 1993). Kim, J. Supervenience and Mind. Cambridge MA: Cambridge Univ. Press.
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