Divine Command Theory

This monograph presents a comprehensive philosophical critique of divine command theory, the metaethical view that moral obligations derive their authority from God's commands. Fales systematically examines both traditional and contemporary formulations of this theory, arguing that it fails to provide a coherent foundation for ethics while raising profound questions about the relationship between divine authority and moral reasoning.

The work engages critically with prominent defenders of divine command theory, including Robert Adams, Philip Quinn, and William Alston, while drawing on classical objections from Plato's Euthyphro dialogue. Fales demonstrates how the theory faces an intractable dilemma: either morality is arbitrary because it depends solely on God's will, or God commands what is good because it is independently good, rendering divine commands explanatory redundant. He argues that attempts to resolve this dilemma through modified versions of the theory, such as Adams's appeal to God's loving nature, merely push the problem back a level without solving it.

Central to Fales's critique is his analysis of the epistemological difficulties inherent in divine command theory. He contends that even if moral obligations did stem from divine commands, humans would face insurmountable challenges in reliably identifying and interpreting these commands. The diversity of religious traditions, conflicting scriptural interpretations, and the problem of distinguishing genuine divine revelation from psychological or cultural phenomena all undermine the theory's practical applicability. Fales examines how divine command theorists attempt to address these concerns through appeals to religious experience, tradition, or natural theology, finding each response philosophically inadequate.

The monograph also explores the implications of divine command theory for moral motivation and the nature of God. Fales argues that grounding ethics in divine commands reduces morality to prudential calculations about eternal rewards and punishments, thereby undermining genuine moral agency. Furthermore, he contends that the theory generates theological paradoxes about God's moral perfection and freedom.

Throughout the work, Fales employs rigorous analytical philosophy methods, combining conceptual analysis with attention to the history of ethical thought. His critique contributes to broader debates about the autonomy of ethics, the role of religion in public discourse, and the possibility of objective morality without theistic foundations. The monograph serves as both a focused examination of a specific metaethical theory and a broader meditation on the complex relationship between religious belief and moral philosophy.