This investigation of the nature of human action argues for an ontology which includes events along with persons and other objects. Among the topics discussed are: freedom to act; weakness of the will; the logical form of talk about actions, intentions, and causality; and decision theory.

Donald Davidson is Professor of Philosophy at the University of California, Berkeley. Donald Davidson is Willis S. and Marion Slusser Professor of Philosophy at the University of California, Berkeley. He was born in Springfield, Massachusetts, and educated at Harvard, completing his Ph.D. in classical philosophy after serving in the US Navy from 1942 to 1945. Before coming to Berkeley in 1981, he was Professor at Stanford, Princeton, Rockefeller, and the University of Chicago. He is a Member of the American Academy of Arts and Sciences, a Fellow of the American Association for the Advancement of Science, and a Corresponding Fellow of the British Academy.