The purpose of this paper is to examine the distinction between "negative" and "positive" duties. Special attention will be given to certain criticism raised against this distinction by Michael Tooley.

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Although the belief that killing is normally wrong is as universal and uncontroversial a moral belief as we are likely to find, no one, to my knowledge, has ever offered an account of why killing is wrong that even begins to do justice to the full range of common sense beliefs about the morality of killing. Yet such an account would be of considerable practical significance, since understanding why some killings are wrong should help us to determine the conditions in (...) which killing is not wrong. For, in those cases in which the reasons why killing is wrong do not apply, killing may be permissible or, if there are positive reasons that favour it, even morally required. (shrink)

This article has two main sections. In Section I, I argue against the skeptic's position. I examine an attempt to see both prima facie objections as arising from features that killing and letting die have in common, and then argue that all such attempts are doomed to failure. In Section II, I explain how even defenders of the distinction's significance have misconstrued the difference between the two objections. In so doing I attempt to develop a better account of why killing (...) and letting die are prima facie objectionable. I also briefly explore some related matters. (shrink)

There was a duel at dawn between A and B. A shot B, who lingered on until dusk of that day, and then died of his bulletwound. Certain background conditions are satisfied which make it right to say not just that A caused B's death but that he killed him. So, A shot B and killed him. This seems to be structurally different from "A shot B and he kicked him," but what is this structural difference? How does the shooting (...) relate to the killing? (shrink)

For thirty years, Peter Singer's Practical Ethics has been the classic introduction to applied ethics. For this third edition, the author has revised and updated all the chapters and added a new chapter addressing climate change, one of the most important ethical challenges of our generation. Some of the questions discussed in this book concern our daily lives. Is it ethical to buy luxuries when others do not have enough to eat? Should we buy meat from intensively reared animals? Am (...) I doing something wrong if my carbon footprint is above the global average? Other questions confront us as concerned citizens: equality and discrimination on the grounds of race or sex; abortion, the use of embryos for research and euthanasia; political violence and terrorism; and the preservation of our planet's environment. This book's lucid style and provocative arguments make it an ideal text for university courses and for anyone willing to think about how she or he ought to live. (shrink)

One of the reasons why most of us feel puzzled about the problem of abortion is that we want, and do not want, to allow to the unborn child the rights that belong to adults and children. When we think of a baby about to be born it seems absurd to think that the next few minutes or even hours could make so radical a difference to its status; yet as we go back in the life of the fetus we (...) are more and more reluctant to say that this is a human being and must be treated as such. No doubt this is the deepest source of our dilemma, but it is not the only one. For we are also confused about the general question of what we may and may not do where the interests of human beings conflict. We have strong intuitions about certain cases; saying, for instance, that it is all right to raise the level of education in our country, though statistics allow us to predict that a rise in the suicide rate will follow, while it is not all right to kill the feeble-minded to aid cancer research. It is not easy, however, to see the principles involved, and one way of throwing light on the abortion issue will be by setting up parallels involving adults or children once born. So we will be able to isolate the “equal rights” issue and should be able to make some advance... (shrink)