Stanford Encyclopedia of Philosophy

Notes to Laws of Nature

1. This follows according to Lewis's (1973) logic of counterfactuals and any logic that endorses centering (i.e., the principle that, necessarily, the conjunction of P and Q implies that, if P were the case, then Q would be the case).

2. Portions of the current update of this entry draw directly from portions of the introduction to Carroll (2004). The original 2003 entry served as a basis for that introduction.