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It has been argued by some that God is a necessary and sufficient condition for objective morality. I can't accept this, because I don't even know what the analysis of moral objectivity is. It seems an ill defined concept. Could someone explain what it would mean for morality to have an objective existence?

  • I think it has a different meaning in philosophy to its use in everyday discussion. When philosophers use "objectivity" they are talking about ontology or epistemology etc.. A philosopher's moral 'subjectivist' still says you should be moral, and that murder is immoral; the issue is just what sort of world we live in for that to be the case – user25714 Feb 26 '17 at 22:45
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A proposition is objective if its truth value is independent of the person uttering it. A fact is objective in the same way.

For morality to be objective, moral propositions such as "Killing is bad","Stealing is bad", etc... need to be true independently of the person who is stating them.

Moral statements are basically statements of value. Some value statements are clearly subjective: "Tabasco flavored ice cream tastes good" can be true for me, but false for you.

The challenge for finding an objective morality (independent of God) is to somehow demonstrate that a moral statement like "Helping others is good" or "Raping is bad" is true independently of the observer or subject of the statement.

There are ways to do this without resorting to God. One example is Kant, with his famous categorical imperatives. His approach to making morality objective rests on idea of whether a course of action can be applied in any situation whatsoever. If so then, it is true in all cases, and it is (objectively) moral.

Another approach is utilitarianism, where instead of trying to analyze the act itself, you measure the outcome: Which course of action leads to the greatest good for the greatest number of people? The objectivity for utilitarians comes from the statistical nature of the way goodness is assessed. Although the outcome of the act is subjective for each person, the overall truth of the statement depends on summing the value of the outcome for all people, and becomes objective that way.

In practice, both Kantian and utilitarian ethics have their challenges, but they are good starting points for an objective morality independent of God (or Gods).

  • Ethics does not equal morality. And shared observed behavior does not imply shared morality. – jobermark Dec 16 '15 at 22:29
  • Is ethics a set of accepted behaviours 'associated' with a specific situation whereas morality is more about the beliefs or intentions 'behind' the behaviour? – 201044 Jan 4 '16 at 4:17
  • I think this highly upvoted answer is misleading. You make it sounds like subjectivism is ethical nihilism, rather than a discussion concerned with the status of truth and existence – user25714 Feb 26 '17 at 22:42
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The first answer accurately explains objective moral values, and I would like to clear up a common misunderstanding: confusing objective moral values with absolute moral values.

The difference between the two is best seen by looking at their opposites. The opposite of objective is subjective, and the opposite of absolute is relative. Relative means "varying with the circumstances". If moral values are independent of what people think (objective), it does not follow that they are true regardless of the circumstances (that they are absolute). For example, killing an individual for fun might be objectively wrong, but killing in general is not absolutely wrong.

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'Objective' is open to many interpretations. For an objective morality I should mark out four positions (which isn't to say there aren't others).

Moral Realism

This is the view that moral judgements can be true or false; that some are true; and that some are known to be true. The ontology behind this requires really existing moral properties or facts. A moral epistemology is needed to explain how we can become aware of the moral properties or facts by virtue of which we know that some moral judgements are true.

Ethics of divine commands

There is no single, uncontestable statement of this position but it can be roughly stated as follows : divine commands have moral force in and of themselves - in which case at least some (perhaps all) moral obligations derive from divine commands.

It is possible to see an ethics of divine commands as a form of moral realism but moral realism can be held without commitment to an ethics of divine commands. This is why I have separated them.

Moral rationality

Finally, at least in this brief survey, morality can be seen as a form of rationality. This is clear in Kant, whose view is that it is irrational to act on maxims, principles of conduct, if it is logically impossible for everyone to act on such maxims or principles. (Kant's position is more complex but this is at its heart.)

Kant and truth

Kant's moral philosophy makes no use whatever of the concept of truth. The objectivity of morality rests on the sole basis that rational agents cannot consistently reject moral requirements. Such requirements derive their full and exclusive force from their rationality. (Brian K. Powell, 'Kant and Kantians on "The Normative Question", Ethical Theory and Moral Practice, Vol. 9, No. 5 (Nov., 2006), pp. 535-544 : 535.) More specifically, rationality requires me to act on maxims or principles on which it is logically possible for everyone to act.

For instance, suppose I have been invited to a 'bring a bottle party' and I decide to take cheap and drink expensive. My maxim is (Kantianly construed) : 'Whenever one is invited to a bring a bottle party, take cheap wine and drink the expensive wine that others have brought'. It is logically impossible for this maxim to be universalised : if everyone took cheap wine in order to drink the expensive wine brought by others, there would be no expensive wine for anyone to drink.

These are the lines along which Kant's ethical theory runs. They have nothing to do with truth, everything to do with consistent universalisability.

Utilitarianism

This embodies a form of instrumental rationality. An intrinsic good or range of intrinsic goods, or a a set of intrinsic valuings, is identified. These have in themselves no moral character. Morality comes into play when as a social institution it is given the task of maximising the occurrence of these goods or valuings through the consequences of actions. An action is right if, for instance, it maximises through its consequences the occurrence of such intrinsic goods or valuings as pleasure, health, knowledge or whatever the list of intrinsic goods or valuings comprises. Utilitarian moral judgements are not true, or taken by utilitarians to be true; their moral commendation is their instrumental rationality in the maximising of intrinsic goods or valuings.


References

G. Sayre-McCord, Essays on Moral Realism (Cornell Paperbacks), SBN 10: 0801495415 / ISBN 13: 9780801495410 Published by Cornell University Press, 1988.

Michael J. Harris, Divine Command Ethics, ISBN 10: 1138869767 / ISBN 13: 9781138869769 Published by Routledge, 2015.

D. A. Rees, 'The Ethics of Divine Commands', Proceedings of the Aristotelian Society, New Series, Vol. 57 (1956 - 1957), pp. 83- 106.

Onora O'Neill, Constructions of Reason: Explorations of Kant's Practical Philosophy, ISBN 10: 0521388163 / ISBN 13: 9780521388160 Published by Cambridge University Press, 2016.

Otfried Hoffe, Immanuel Kant (S U N Y Series in Ethical Theory), ISBN 10: 0791420949 / ISBN 13: 9780791420942 Published by State University of New York Press, 1994.

Brian K. Powell, 'Kant and Kantians on "The Normative Question", Ethical Theory and Moral Practice, Vol. 9, No. 5 (Nov., 2006), pp. 535-544.

Geoffrey Thomas, In Introduction to Ethics, ISBN 10: 0715624318 / ISBN 13: 9780715624319 Published by Gerald Duckworth & Co Ltd, 1997.

J. J. C. Smart, Bernard Williams, Utilitarianism: For and Against, ISBN 10: 0521202973 / ISBN 13: 9780521202978 Published by Cambridge University Press, 1973.

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