This book deals with foundational issues in the history of the nature of action, the intentionality of action, the compatibility of freedom of action with determinism, and the explanation of action. Ginet's is a volitional view: that every action has as its core a "simple" mental action. He develops a sophisticated account of the individuation of actions and also propounds a challenging version of the view that freedom of action is incompatible with determinism.

In this book I present what seem to me (at the moment) to be right an swers to some of the main philosophical questions about the topics men tioned in the title, and I argue for them where I can. I hope that what I say may be of interest both to those who have already studied these ques tions a lot and to those who haven't. There are several important topics in epistemology to which I give little or no attention here - such as the nature of a proposition, the major classifications of propositions (neces sary and contingent, a priori and a posteriori, analytic and synthetic, general and...