The Principle of Double Effect: A History and Philosophical Defense (Routledge Studies in Ethics and Moral Theory)

By: David Černý

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Synopsis: This book offers a comprehensive history of the principle of double effect and its applications in ethics. Written from a non-theological perspective, it makes the case for the centrality of the double effect reasoning in philosophical ethics. The book is divided into two parts. The first part thoroughly examines the history of double effect reasoning. The author’s history spans from Thomas Aquinas’s opera omnia to the modern and influential understanding of the principle known as proportionalism. The second part of the book elucidates the principle and addresses various objections that have been raised against it, including those that arise from an in-depth discussion of the trolley problem. Finally, the author examines the role of intentions in ethical thinking and constructs a novel defense of the principle based on fine distinctions between intentions. The Principle of Double Effect: A History and Philosophical Defense will be of interest to scholars and advanced students working in moral philosophy, the history of ethics, bioethics, medical ethics, and the Catholic moral tradition.