Partition and Revision: The Semantics of Counterfactuals
Journal or Book Title
Journal of Philosophical Logic
This is the original 1981 version of the article. A very slightly revised version appears as Chapter 3 in my 2012 book Modals and Conditionals.
Kratzer, Angelika, "Partition and Revision: The Semantics of Counterfactuals" (1981). Journal of Philosophical Logic. 180.