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Cornell realism is a view in meta-ethics, associated with the work of Richard Boyd, Nicholas Sturgeon, and David Brink (who took his Ph.D. at Cornell University). There is no recognized and official statement of Cornell realism, but several theses are associated with the view. [1]
Moral realism is the view that there are mind-independent, and therefore objective, moral facts that moral judgments are in the business of describing. This combines a cognitivist view that moral judgments are belief-like mental states in the business of describing the way the world is, a view that moral facts exist, and a view that the nature of moral facts is objective; independent of our cognizing them or our stance towards them.
This contrasts with expressivist theories of moral judgment (e.g., Stevenson, Hare, Blackburn, Gibbard), error-theoretic/fictionalist denials of the existence of moral facts (e.g., Mackie, Richard Joyce, and Kalderon), and constructivist or relativist theories of the nature of moral facts (e.g., Firth, Rawls, Korsgaard, Harman).
Cornell realism accepts motivational externalism, which is the view that moral judgments need not have any motivational force at all. A common way of explaining the thesis invokes the claim that amoralists are possible – that there could be someone who makes moral judgments without feeling the slightest corresponding motivation. This gives Cornell realists a simple response to Humean arguments against cognitivism: if moral judgments do not have motivational force in the first place, there is no reason to think they are non-cognitive states. Some, like Brink, add to this motivational externalism an externalism about normative reasons, which denies that there is any necessary connection or relation between what one has reason to do and what one is motivated to do (or would be motivated to do, if one were fully rational and knew all of the facts).
Cornell realism accepts the view that moral facts are natural facts. They fall within the province of the natural and social sciences. But while they are not supernatural (as in divine command theory) and they are not non-natural (as in Moore's Principia Ethica or Mackie's picture of a realist world), they cannot be reduced to non-moral natural facts. That is, while moral facts are natural facts and supervene on non-moral natural facts, they cannot be identified with non-moral natural facts (see, e.g., Miller's An Introduction to Contemporary Metaethics).
There is no reductive connection between moral terms and concepts and natural terms and concepts. This gives Cornell realists a simple response to the charge that you cannot have naturalism without naturalistic fallacy: namely, that metaphysical reduction doesn't imply semantic reduction. This usually goes with a Kripke-Putnam semantic story: moral terms and concepts pick out certain natural properties in virtue of those properties standing in an appropriate causal (social-historical) relation to our tokenings of the terms and concepts.
In analytic philosophy, anti-realism is a position which encompasses many varieties such as metaphysical, mathematical, semantic, scientific, moral and epistemic. The term was first articulated by British philosopher Michael Dummett in an argument against a form of realism Dummett saw as 'colorless reductionism'.
Ethical naturalism is the meta-ethical view which claims that:
Internalism and externalism are two opposite ways of integration of explaining various subjects in several areas of philosophy. These include human motivation, knowledge, justification, meaning, and truth. The distinction arises in many areas of debate with similar but distinct meanings. Internal–external distinction is a distinction used in philosophy to divide an ontology into two parts: an internal part concerning observation related to philosophy, and an external part concerning question related to philosophy.
In metaphilosophy and ethics, metaethics is the study of the nature, scope, and meaning of moral judgment. It is one of the three branches of ethics generally studied by philosophers, the others being normative ethics and applied ethics.
Non-cognitivism is the meta-ethical view that ethical sentences do not express propositions and thus cannot be true or false. A noncognitivist denies the cognitivist claim that "moral judgments are capable of being objectively true, because they describe some feature of the world". If moral statements cannot be true, and if one cannot know something that is not true, noncognitivism implies that moral knowledge is impossible.
Moral relativism or ethical relativism is used to describe several philosophical positions concerned with the differences in moral judgments across different peoples and cultures. An advocate of such ideas is often referred to as a relativist for short.
Moral realism is the position that ethical sentences express propositions that refer to objective features of the world, some of which may be true to the extent that they report those features accurately. This makes moral realism a non-nihilist form of ethical cognitivism with an ontological orientation, standing in opposition to all forms of moral anti-realism and moral skepticism, including ethical subjectivism, error theory ; and non-cognitivism. Within moral realism, the two main subdivisions are ethical naturalism and ethical non-naturalism.
Moral skepticism is a class of meta-ethical theories all members of which entail that no one has any moral knowledge. Many moral skeptics also make the stronger, modal claim that moral knowledge is impossible. Moral skepticism is particularly opposed to moral realism: the view that there are knowable and objective moral truths.
Scientific realism is the view that the universe described by science is real regardless of how it may be interpreted.
Legal realism is a naturalistic approach to law; it is the view that jurisprudence should emulate the methods of natural science, i.e., rely on empirical evidence. Hypotheses must be tested against observations of the world.
Cognitivism is the meta-ethical view that ethical sentences express propositions and can therefore be true or false, which noncognitivists deny. Cognitivism is so broad a thesis that it encompasses moral realism, ethical subjectivism, and error theory.
The is–ought problem, as articulated by the Scottish philosopher and historian David Hume, arises when one makes claims about what ought to be that are based solely on statements about what is. Hume found that there seems to be a significant difference between descriptive or positive statements and prescriptive or normative statements, and that it is not obvious how one can coherently move from descriptive statements to prescriptive ones. Hume's law or Hume's guillotine is the thesis that, if a reasoner only has access to non-moral and non-evaluative factual premises, the reasoner cannot logically infer the truth of moral statements.
Ethical subjectivism or moral non-objectivism is the meta-ethical view which claims that:
Universal prescriptivism is the meta-ethical view that claims that, rather than expressing propositions, ethical sentences function similarly to imperatives which are universalizable—whoever makes a moral judgment is committed to the same judgment in any situation where the same relevant facts pertain.
Moral nihilism is the meta-ethical view that nothing is objectively morally right or morally wrong.
In moral philosophy, instrumental and intrinsic value are the distinction between what is a means to an end and what is as an end in itself. Things are deemed to have instrumental value if they help one achieve a particular end; intrinsic values, by contrast, are understood to be desirable in and of themselves. A tool or appliance, such as a hammer or washing machine, has instrumental value because it helps you pound in a nail or cleans your clothes. Happiness and pleasure are typically considered to have intrinsic value insofar as asking why someone would want them makes little sense: they are desirable for their own sake irrespective of their possible instrumental value. The classic names instrumental and intrinsic were coined by sociologist Max Weber, who spent years studying good meanings people assigned to their actions and beliefs.
In meta-ethics, expressivism is a theory about the meaning of moral language. According to expressivism, sentences that employ moral terms – for example, "It is wrong to torture an innocent human being" – are not descriptive or fact-stating; moral terms such as "wrong", "good", or "just" do not refer to real, in-the-world properties. The primary function of moral sentences, according to expressivism, is not to assert any matter of fact, but rather to express an evaluative attitude toward an object of evaluation. Because the function of moral language is non-descriptive, moral sentences do not have any truth conditions. Hence, expressivists either do not allow that moral sentences have truth value, or rely on a notion of truth that does not appeal to any descriptive truth conditions being met for moral sentences.
Michael Andrew Smith is an Australian philosopher who teaches at Princeton University. He taught previously at the University of Oxford, Monash University, and was a member of the Philosophy Program at the Research School of Social Sciences, Australian National University. He is the author of a number of important books and articles in moral philosophy. In 2013, he was elected a Fellow of the American Academy of Arts and Sciences.
Quasi-realism is the meta-ethical view which claims that:
Projectivism in philosophy involves attributing (projecting) qualities to an object as if those qualities actually belong to it. It is a theory for how people interact with the world and has been applied in both ethics and general philosophy. It is derived from the Humean idea that all judgements about the world derive from internal experience, and that people therefore project their emotional state onto the world and interpret it through the lens of their own experience. Projectivism can conflict with moral realism, which asserts that moral judgements can be determined from empirical facts, i.e., some things are objectively right or wrong.