Carroll, J. W. (2003). Laws of nature. Standford Encyclopedia of Philosophy. Retrieved May 30, 2009, http://plato.stanford.edu/entries/laws-of-nature/.
Added by: Dominique Meeùs (2009-05-30 11:07:37) Last edited by: Dominique Meeùs (2009-05-30 11:27:41)
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Consider the unrestricted generalization that all gold spheres are less than one mile in diameter. There are no gold spheres that size and in all likelihood there never will be, but this is still not a law. […] The perplexing nature of the puzzle is clearly revealed when the gold-sphere generalization is paired with a remarkably similar generalization about uranium spheres:
– All gold spheres are less than a mile in diameter.
– All uranium spheres are less than a mile in diameter.
Though the former is not a law, the latter arguably is. The latter is not nearly so accidental as the first, since uranium's critical mass is such as to guarantee that such a large sphere will never exist (van Fraassen, 1989, p.27).
van Fraassen, B. C. (1989). Laws and symmetry. Oxford: Clarendon Press. Added by: Dominique Meeùs
Keywords: loi de la nature sphère en or sphère en uranium