In this volume Russell Hittinger presents a comprehensive and critical treatment of the attempt to restate and defend a theory of natural law, particularly as proposed by Germain Grisez and John Finnis. A Critique of the New Natural Law Theory begins by examining the positions of various moral philosophers such as Alasdair MacIntyre, Alan Donogan, Elizabeth Anscombe, and Stanley Hauerwas, who wish to recover particular facets of premodern ethics. Hittinger then explores the work of Grisez and Finnis, who claim to have recovered natural law in a manner that avoids the standard objections brought against it since the Enlightenment; they thus claim to have recovered natural law theory available once again for moral theology. Hittinger examines this new theory for internal coherence and consistency. In addition, he examines whether it is sufficiently comprehensive to explicate the religious, anthropological, and metaphysical questions that bear upon natural law ethics. He argues that the new natural law theory fails because it does not take into account philosophical anthropology and metaphysics. It cannot show how and why "nature" is normative for human activity. Hittinger concludes that if natural law theory is to be recovered, we must discover how to constructively bring theoretical rationality to bear upon ethics and practical rationality. Until this is done, he asserts, we will not have a defensible theory of natural law.

Knowing the Natural Law traces the thought of Aquinas from an understanding of human nature to a knowledge of the human good, from there to an account of ought-statements, and finally to choice, which issues in human actions. The much discussed article on the precepts of the natural law (I-II, 94, 2) provides the framework for a natural law rooted in human nature and in speculative knowledge. Practical knowledge is itself threefold: potentially practical knowledge, virtually practical knowledge, and fully practical knowledge.

How do ethical norms relate to human nature? This comprehensive and interdisciplinary volume surveys the latest thinking on natural law.

The essays of this volume examine natural moral law, different natural law theories, and the role that natural law can and should play in our contemporary society

Presents a systematic, contemporary defence of the natural law outlook in ethics, politics and jurisprudence.

In Section 1, I outline the history of natural law theory, covering Plato, Aristotle, the Stoics and Aquinas. In Section 2, I explore two alternative traditions of natural law, and explain why these constitute rivals to the Aristotelian tradition. In Section 3, I go on to elaborate a via negativa along which natural law norms can be discovered. On this basis, I unpack what I call three 'experiments in being', each of which illustrates the cogency of this method. In Section 4, I investigate and rebut two seminal challenges to natural law methodology, namely, the fact/value distinction in metaethics and Darwinian evolutionary biology. In Section 5, I then outline and criticise the 'new' natural law theory, which is an attempt to revise natural law thought in light of the two challenges above. I conclude, in Section 6, with a summary and some reflections on the prospects for natural law theory.