Full Idea
We do not take laws to be recordings of what happens perchance or for the most part, but specifications of what happens necessarily
Gist of Idea
We take it that only necessary happenings could be laws
Source
Rom Harré (Laws of Nature [1993], 1)
Book Reference
Harré,Rom: 'Laws of Nature' [Duckworth 1993], p.9
A Reaction
This sounds like a plausible necessary condition for a law, but it may not be a sufficient one. Are trivial necessities laws? On this view if there are no necessities then there are no laws.