(1) Physical necessity and possibility and causal relationships are
real relations in the world. The claim made by a physical law
is the claim made by the corresponding accidental generalization
plus the claim that such relations obtain.
(2) The apparent difference in meaning between physical laws
and accidental generalizations is an illusion. The meaning of
the law "All Fs are G's" is exhausted by "(x) (Fx D Gx).