 SEF accounts similarly overwhelmingly assume determinism: as with Lewis’s original 1973 account, the basic building block of such accounts is non-chancy counterfactual dependence. However there have been recent attempts to extend SEF-based analyses to cover chancy causation by Fenton-Glynn (Glynn 2011, Fenton-Glynn 2017; see also the entry on  Probabilistic Causation,  §4.4).