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natural laws/ Non-existent: E.g. "nothing is faster than light": Armstrong: uninstantiated natural law - VsRegularity th.: no "empty" law (derived from paradox of implication) - LewisVsArmstrong: universal statement, which also includes the negation - natural law / Armstrong: also applies to non-existent (regularity th. Vs)
III ~ 163
Non-existent: E.g. fictional grammars can be stronger / more complex: then they are relations! - Vs: better assume counterfactual conditionals - problem: what is the truth-maker? - Conceptual truth, which is more complex - problem: laws are no "conceptual truths".
AR II = Disp
D. M. Armstrong
Dispositions, Tim Crane, London New York 1996
What is a Law of Nature? Cambridge 1983