Full Idea
Instead of viewing laws as regular relationships between dispositional properties and stimulus-manifestation, they can be conceived of as a relation between properties.
Gist of Idea
Laws are either disposition regularities, or relations between properties
Source
Alexander Bird (Nature's Metaphysics [2007], 3.4)
Book Reference
Bird,Alexander: 'Nature's Metaphysics' [OUP 2007], p.64
A Reaction
Bird offers these as the two main views, with the first coming from scientific essentialism, and the second from Armstrong's account of universals. Personally I favour the first, but Bird suggests that powers give the best support for both views.