Do our moral judgements need to be guided by principles? (original) (raw)

2012, Cambridge Quarterly of Healthcare Ethics

This paper argues that, although principles play a key role in our moral judgments, these latter cannot be reduced to the result of purely deductive reasoning, since they previously require another kind of rationality: instead of being purely deductive, our moral decisions appear to be the result of a combined inductive-deductive process. This claim is developed in two parts. The first part briefly presents some of the criticisms levelled in recent decades against purely deductive moral theories. The second part argues, appealing to Aristotle’s account of the knowledge’s process, that an inductive-deductive model provides a more realistic account of how sound moral judgments are actually made.

A Critique of A Priori Moral Knowledge

2018

Many ethicists believe that if it is possible to know a true moral proposition, it is always possible to ascertain a priori the normative content of that proposition. I argue that this is wrong; the only way to ascertain the normative content of some moral propositions requires the use of a posteriori information. I examine what I call determinate core moral propositions. I assume that some of these propositions are true and that actual agents are able to know them. Ethicists whom I call core-apriorists believe that it is always possible to ascertain a priori the normative content of such propositions. Core-aposteriorists believe that this is false, and that sometimes a posteriori information must be used to ascertain that normative content. I develop what I call the a posteriori strategy to show that core-apriorists are likely to be wrong, and so core-aposteriorists are correct. The strategy examines the details of particular core-apriorist theories and then shows that the theories have one of two problems: either some of the knowable determinate core moral propositions in the theories are not knowable a priori, or some of the propositions are not determinate, so they cannot perform the epistemological work required of them. Therefore, some knowable determinate core moral propositions are only knowable with the aid of a posteriori information. I apply the strategy to four different core-apriorist theories. The first is Henry Sidgwick’s theory of self-evident moral axioms, as recently developed by Katarzyna de Lazari-Radek and Peter Singer. The second is Matthew Kramer’s moral realism. I then examine Michael Smith’s moral realism, and Frank Jackson and Philip Pettit’s moral functionalism. The a posteriori strategy shows that there are serious difficulties with all four theories. I conclude that it provides good evidence that the core-apriorist is mistaken, and that the core-aposteriorist is right.

The social character of moral reasoning

Behavioral and Brain Sciences

May provides a compelling case that reasoning is central to moral psychology. In practice, many morally significant decisions involve several moral agents whose actions are interdependent – and agents embedded in society. We suggest that social life and the rich patterns of reasoning that underpin it are ethical through and through.

Improving moral judgments: philosophical considerations

Journal of Theoretical and Philosophical Psychology, 2010

In contemporary moral psychology, an often-heard claim is that knowing how we make moral judgments can help us make better moral judgments. Discussions about moral development and improvement are often framed in terms of the question of which mental processes have a better chance of leading to good moral judgments. However, few studies elaborate on the question of what makes a moral judgment a good moral judgment. This article examines what is needed to answer questions of moral improvement and develop- ment. It distinguishes 3 types of claims that are at stake: descriptive claims, metaethical claims, and normative claims. To find out what makes certain moral judgments better than others, one needs to have insight in the psychological processes and capacities underlying moral judgment formation. However, one also needs to address the question of what makes a moral judgment justified, and this in turn requires a view on the nature of moral goodness and on the question of what makes a judgment moral at all. The author discusses possible ways in which philosophical theories in the areas of metaethics and normative ethics can contribute to the answering of such questions. Also, she provides concrete suggestions for doing interdisciplinary research that is able to address those questions in moral psychology that have both normative and descriptive aspects.

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