What Is Emotivism? A.J. Ayer's Theory of Moral Language

Direct Answer

Emotivism is the metaethical theory that moral judgments express emotions or attitudes rather than state facts. Its most famous formulation is due to A.J. Ayer, who argued in Language, Truth and Logic (1936) that a sentence like "stealing is wrong" is not a description of any fact about stealing. It is an expression of the speaker's disapproval — logically akin to shouting "Stealing, boo!" — combined perhaps with an attempt to arouse similar disapproval in the hearer. Because moral sentences function this way, they are not the kind of utterance that can be true or false. They are not false; they are not in the truth game at all, any more than a groan or a cheer is. Emotivism is therefore a form of non-cognitivism: moral judgments are not beliefs. It is also a form of anti-realism: there are no moral facts for such judgments to track. Emotivists do not claim that moral talk is meaningless or worthless; they claim that its meaning is expressive rather than descriptive and that its value lies in guiding attitudes, not in reporting facts.

Historical Context

Emotivism emerged from logical positivism, the movement associated with the Vienna Circle that flourished in the 1920s and 1930s and was championed in Britain by Bertrand Russell and Ayer. The positivists held the verification principle: a sentence is factually meaningful only if it can in principle be verified by experience. Metaphysical, theological, and ethical sentences, they argued, fail this test. Ayer drew the moral consequence in the sixth chapter of Language, Truth and Logic: moral judgments are not verifiable statements of fact, so they cannot be true or false; they are expressions of feeling. The theory was developed with far greater sophistication by C.L. Stevenson in Ethics and Language (1944), who analyzed moral terms as instruments for influencing attitudes and explained moral disagreement as disagreement in attitude rather than disagreement in belief. Stevenson's version dominated discussion for two decades, until R.M. Hare's prescriptivism and later realist reactions displaced it.

Key Arguments & Debates

The emotivist's argument begins from verificationism: since moral claims cannot be tested by experience, they cannot state facts. It draws support from moral motivation — moral judgments are inherently practical and motivational, which suggests they are attitudes rather than detached beliefs — and from moral disagreement, which often persists even when the factual beliefs of the parties are identical, suggesting that the disagreement is in attitude. The objections are equally well known. The Frege-Geach problem is the most serious: moral sentences can be embedded in conditionals and arguments ("If stealing is wrong, then getting your little brother to steal is wrong; stealing is wrong; therefore..."), where they must function as premises in valid inferences. If "stealing is wrong" were merely an expression of emotion, it is hard to see how it could serve as a premise or be part of a logical argument. Emotivists also face the charge of self-refutation: the theory says that all moral claims are expressions of emotion, yet it presents itself as a factual claim about moral language. And emotivism seems unable to account for the fact that moral disagreements appear to be about something: we argue about whether an action is wrong as if there were an answer to get right.

Contemporary Relevance

Emotivism has largely been superseded in its pure form, but its spirit survives in contemporary expressivism, which retains the idea that moral judgments express attitudes while solving the Frege-Geach problem by giving a more sophisticated account of the meaning of moral sentences. The theory also matters for understanding everyday moral discourse: the insistence that "morality is just a matter of feeling," common in popular discussion, is amateur emotivism. Recognizing the theory's structure — and its limitations — allows you to see why that popular view is difficult to maintain once the logic of moral argument is examined.

Related Concepts

Emotivism is the purest form of non-cognitivism, which is itself a member of the anti-realist family contrasted with moral realism. It is best compared with prescriptivism, its main non-cognitivist rival, and with the cognitivism vs non-cognitivism debate that frames it. Its verificationist roots connect it to the is-ought problem, and its denial of moral truth makes it a relative of moral anti-realism.

Further Learning

Read the Internet Encyclopedia of Philosophy's entry on A.J. Ayer for biographical and philosophical context. The Stanford Encyclopedia of Philosophy's discussion of moral cognitivism situates emotivism within the wider debate. Ayer's Language, Truth and Logic (Gollancz, 1936) and Stevenson's Ethics and Language (Yale University Press, 1944) are the primary texts.