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Logical Necessity: strongest - physical necessity: weaker because of contingency - still weaker: general quantification (mere uniformity). - N.B.: from a law we cannot conclude general quantification. - Law: physical necessity.
High/low/stronger/weaker/Armstrong: E.g. "N (F, G)" is logically stronger than "All Fs are Gs". The universal statement (general quantification, mere conjunction) is logically weaker than a law statement.
AR II = Disp
D. M. Armstrong
Dispositions, Tim Crane, London New York 1996
What is a Law of Nature? Cambridge 1983