Virtue ethics has many times been suggested as a promising recipe for the construction of artificial moral agents due to its emphasis on moral character and learning. However, given the complex nature of the theory, hardly any work has de facto attempted to implement the core tenets of virtue ethics in moral machines. The main goal of this paper is to demonstrate how virtue ethics can be taken all the way from theory to machine implementation. To achieve this goal, we (...) critically explore the possibilities and challenges for virtue ethics from a computational perspective. Drawing on previous conceptual and technical work, we outline a version of artificial virtue based on moral functionalism, connectionist bottom–up learning, and eudaimonic reward. We then describe how core features of the outlined theory can be interpreted in terms of functionality, which in turn informs the design of components necessary for virtuous cognition. Finally, we present a comprehensive framework for the technical development of artificial virtuous agents and discuss how they can be implemented in moral environments. (shrink)

Virtue ethics is currently one of three major approaches in normative ethics. It may, initially, be identified as the one that emphasizes the virtues, or moral character, in contrast to the approach that emphasizes duties or rules (deontology) or that emphasizes the consequences of actions (consequentialism). Suppose it is obvious that someone in need should be helped. A utilitarian will point to the fact that the consequences of doing so will maximize well-being, a deontologist to the fact that, in doing (...) so the agent will be acting in accordance with a moral rule such as “Do unto others as you would be done by” and a virtue ethicist to the fact that helping the person would be charitable or benevolent. (shrink)

Most contemporary variants of virtue ethics have a neo-Aristotelian timbre. However, standing alongside the neo-Aristotelians are a number of others playing similar tunes on different instruments. This chapter highlights the four most important virtue ethical alternatives to the dominant neo-Aristotelian chorus. These are Michael Slote’s agent-based approach, Linda Zagzebski’s exemplarism, Christine Swanton’s target-centered theory, and Robert Merrihew Adams’s neo-Platonic account. What these four approaches showcase is the range of possible theoretical structures available to virtue ethicists. A virtue ethicist might attempt (...) to define other normative qualities like goodness or rightness in terms of virtuous traits. But she need not. Instead, she might develop a theory in which virtue is fundamental but other normative qualities obey a logic that is at least partially independent of virtue. This chapter draws attention to an exciting range of possibilities for virtue ethics that both critics and advocates alike will want to explore. (shrink)