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Material Implications/Armstrong: dissolves Hempel's paradox: (W Chart): simply all combinations: (X)(x raven and black) v (~R a blck) v (~R a ~blck) - VsRegth/Problem: Asymmetry between "it is a HU (Humean uniformity) that Fs are Gs" and "it is a law, ..."
AR II = Disp
D. M. Armstrong
Dispositions, Tim Crane, London New York 1996
What is a Law of Nature? Cambridge 1983