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| 16211 | A homogeneous rotating disc should be undetectable according to Humean supervenience [Hawley] |
| Full Idea: Imagine a perfectly homogeneous non-atomistic disc. A record of all the non-relational information about the world at that moment will not reveal whether the disc is rotating about a vertical axis through. This tells against Humean supervenience. | |
| From: Katherine Hawley (How Things Persist [2001], 3.2) | |
| A reaction: [Armstrong 1980 originated this, and it is famously discussed by Kripke in lectures] There will, of course, be dispositions present because of the rotation, but Lewis excludes any such modal truths. |