Prescriptivism You cannot derive an ought from an

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Prescriptivism • “You cannot derive an ought from an is. ” • If, in

Prescriptivism • “You cannot derive an ought from an is. ” • If, in metaethics we cannot say what ought to be done, then what is the point of it? • Emotivism is a good description of what expressions of morality are…Boo/Hurrah. • Which of these statements rings true with you? Discuss each in turn, ensuring understanding.

Prescriptivism • Reading List • Learning Objectives: - • Palmer – p 158 -159

Prescriptivism • Reading List • Learning Objectives: - • Palmer – p 158 -159 • Mayled – p 174 -175 • Wright – p 210 -212 • To understand RM Hare’s background and influences • To know and understand the basic tenets of prescriptivism • To contextualise noncognitivism and universalisability

From Emotivism to Prescriptivism • Emotivism differentiates between facts and values and puts moral

From Emotivism to Prescriptivism • Emotivism differentiates between facts and values and puts moral statements in the latter category. • Hare felt that morality should be more than just an emotive description of subjectivism. • Theories such as emotivism and intuitionism were useful but limited.

RM Hare • Key 20 th century philosopher • Key influences include Ayer and

RM Hare • Key 20 th century philosopher • Key influences include Ayer and Stevenson, Kant and Wittgenstein. • Also affected by spending three years as a Po. W in WWII in Japan. • This influenced his moral philosophy, which he wanted to be meaningful as well as just analytical and descriptive.

Prescriptivism • Hare thought that, for moral statements to be useful at all (which

Prescriptivism • Hare thought that, for moral statements to be useful at all (which he saw as the point of ethics), he thought that it needed to be more than saying ‘Boo to murder’. • His theory is known as prescriptivism.

Prescriptivism • Moral statements, Hare thought, are prescriptions for what should be done in

Prescriptivism • Moral statements, Hare thought, are prescriptions for what should be done in a situation. • Saying ‘murder is wrong’ is like saying ‘You ought not to murder and neither will I. ’ • Like doctor’s prescriptions, what is prescribed is different from person to person. Whose influence is obvious here? How is it similar/different?

Prescriptivism • A prescription is an individual saying that a moral statement is not

Prescriptivism • A prescription is an individual saying that a moral statement is not just their feelings, but something universalisable. • If I prefer this, I think it is better for everybody and would prescribe it to others. • Note – Hare is not saying moral prescriptions are facts or objectively true or false as they are personal, he is merely saying that it is moral if you would prescribe the same for others in that situation. • Still non-cognitive as nothing is objective.

Link to areas of Prescriptivism with the influencers… • Kant • Hume • Ayer

Link to areas of Prescriptivism with the influencers… • Kant • Hume • Ayer • Utilitarianism • Wittgenstein • Kant • Moral statements are expressions of values • Moral statements have descriptive meaning • Prescription is based on individual and consequences of a situation • Set of prescriptive principles might be needed to guide individuals

Prescriptivism Expanded • Developed notes from Wright p 210 -211. • Should include, universalisability

Prescriptivism Expanded • Developed notes from Wright p 210 -211. • Should include, universalisability principle, an example, basic ideas of prescriptivism, noncognitive, subjective. • Extension – Mayled p 175 – How might prescriptivism be criticised?

Summary – Odd One Out • • • Cognitivism Ethical Naturalism Precriptivism Kant Moore

Summary – Odd One Out • • • Cognitivism Ethical Naturalism Precriptivism Kant Moore Hare Boo Ayer Ought Descriptive Prescriptive Meaningful Universalisable Morality Individual

Summary

Summary