Human actions unfold over time, in pursuit of ends that are not fully specified in advance. Rational Powers in Action locates these features of the human condition at the heart of a new theory of instrumental rationality. Where many theories of rational agency focus on instantaneous choices between sharply defined outcomes, treating the temporally extended and partially open-ended character of action as an afterthought, this book argues that the deep structure of instrumental rationality can only be understood if we see how it governs the pursuit of long-term, indeterminate ends. These are ends that cannot be realized through a single momentary action, and whose content leaves partly open what counts as realizing the end. Sergio Tenenbaum argues that we need to focus on temporal duration and the indeterminacy of ends in intentional action, even to explain the rational governance of relatively simple actions. Theories of moment-by-moment preference maximization, or indeed any understanding of instrumental rationality on the basis of momentary mental items, cannot capture the fundamental structure of our instrumentally rational capacities. Tenenbaum provides a new theory of instrumental rationality as rationality in action.

The book illustrates the concept of action in three different contexts - the justification of actions, people's life history, and pragmatism. The special feature of this book is that a comprehensive view of this kind marks a departure from the atomistic approach of action theory, which in itself raises a number of questions. If actions are not justified by mental states, how can persons then act for reasons? How can persons' actions over time be described, and what is the connection with the question of personal identity? If there is to be a unified understanding of the person, does the practical have to take precedence over the theoretical, and what does this mean for epistemology, for example? The ten contributors to this volume engage in an instructive manner with these and similar questions in the three sections of the book.

Human actions unfold over time, in pursuit of ends that are not fully specified in advance. Rational Powers in Action locates these features of the human condition at the heart of a new theory of instrumental rationality. Where many theories of rational agency focus on instantaneous choices between sharply defined outcomes, treating the temporally extended and partially open-ended character of action as an afterthought, this book argues that the deep structure of instrumental rationality can only be understood if we see how it governs the pursuit of long-term, indeterminate ends. These are ends that cannot be realized through a single momentary action, and whose content leaves partly open what counts as realizing the end. Sergio Tenenbaum argues that we need to focus on temporal duration and the indeterminacy of ends in intentional action, even to explain the rational governance of relatively simple actions. Theories of moment-by-moment preference maximization, or indeed any understanding of instrumental rationality on the basis of momentary mental items, cannot capture the fundamental structure of our instrumentally rational capacities. Tenenbaum provides a new theory of instrumental rationality as rationality in action.

The past decade has witnessed a renaissance in scientific approaches to the study of morality. Once understood to be the domain of moral psychology, the newer approach to morality is largely interdisciplinary, driven in no small part by developments in behavioural economics and evolutionary biology, as well as advances in neuroscientific imaging capabilities, among other fields. To date, scientists studying moral cognition and behaviour have paid little attention to virtue theory, while virtue theorists have yet to acknowledge the new research results emerging from the new science of morality. Theology and the Science of Moral Action explores a new approach to ethical thinking that promotes dialogue and integration between recent research in the scientific study of moral cognition and behaviour—including neuroscience, moral psychology, and behavioural economics—and virtue theoretic approaches to ethics in both philosophy and theology. More particularly, the book evaluates the concept of moral exemplarity and its significance in philosophical and theological ethics as well as for ongoing research programs in the cognitive sciences.