Ethical emotivism, a prominent meta-ethical theory, posits that moral statements do not describe objective moral properties but rather express the speaker's subjective emotional responses. Championed by figures like A.J. Ayer and Charles Stevenson, emotivism argues that moral disagreements are not disputes of fact but rather clashes of sentiment, akin to arguments over taste. While this view offers a compelling explanation for the passionate nature of moral discourse and the perceived subjectivity of ethics, it faces substantial challenges concerning the possibility of genuine moral knowledge, the meaning of moral disagreement, and the prescriptive force of moral judgments.
A.J. Ayer, in his influential work Language, Truth and Logic (1936), articulated a key tenet of emotivism through his verificationist criterion of meaning. For Ayer, a statement is cognitively meaningful only if it is either analytically true (true by definition) or empirically verifiable. Moral statements, Ayer argued, fail this test. They are not statements of fact that can be verified through observation or logical deduction. Instead, he proposed that moral utterances function like exclamations. For instance, saying "Stealing is wrong" is equivalent to expressing disapproval or saying "Boo! Stealing!" The emotivist contends that the apparent descriptive content of moral language masks its true function: to evoke similar feelings in the listener and to influence their behavior. Charles Stevenson, building on Ayer's foundation, refined emotivism by introducing the concept of "disagreement in attitude." For Stevenson, a moral statement is not just an expression of feeling but also an attempt to influence the attitudes of others. When two people disagree morally, they are not simply expressing different feelings; they are trying to persuade each other to adopt their respective attitudes towards a particular action or state of affairs. This "persuasive definition" aspect of moral language, Stevenson argued, explains why moral debates can be so heated and why people feel so strongly about moral issues.
The strengths of emotivism lie in its ability to account for several features of moral language and practice. Firstly, it explains the intuitive sense that moral judgments are subjective and personal. If morality is a matter of feelings, then it's understandable why different individuals and cultures can hold vastly different moral views. Secondly, it offers a plausible explanation for the emotional intensity often associated with moral pronouncements. When we say something is "good" or "bad," we are not merely stating a neutral fact; we are expressing our deep-seated feelings and values. This emotional component is crucial for motivating action and shaping behavior. Thirdly, emotivism provides a way to understand moral disagreement without requiring the existence of objective moral truths, which many philosophers find problematic. If moral claims are not factual claims, then the lack of objective criteria for resolving moral disputes becomes less of a puzzle.
However, emotivism faces significant philosophical objections. One major challenge concerns the possibility of genuine moral knowledge and reasoned moral argument. If moral statements are merely expressions of emotion, then it becomes difficult to see how we can have moral knowledge or engage in meaningful moral reasoning. How can one be said to know that something is wrong if "wrong" simply means "I disapprove of it"? Furthermore, emotivism struggles to explain the prescriptive force of moral judgments. When we say "You ought not to lie," we seem to be making a claim about what the other person should do, not just expressing our disapproval or trying to influence their feelings. The emotivist account of persuasion doesn't fully capture the sense of obligation and duty that moral language often conveys. Critics like R.M. Hare, with his concept of prescriptivism, argued that moral statements are not just expressions of feeling but also universalizable commands, which better accounts for their normative character. Additionally, emotivism makes it difficult to distinguish between a genuine moral disagreement and a mere clash of personal preferences or psychological states. If "Murder is wrong" is equivalent to "Boo, murder!", then why does it seem like we are arguing about something more substantial than a shared dislike?
In conclusion, ethical emotivism offers an insightful perspective on the expressive and persuasive functions of moral language, aligning well with the subjective and emotional aspects of ethical experience. Yet, its reduction of moral statements to mere expressions of feeling leaves significant philosophical gaps, particularly in explaining the possibility of moral knowledge, the nature of moral obligation, and the rational grounds for moral disagreement. While emotivism illuminates the affective dimensions of ethics, it struggles to provide a robust account of morality as a domain of reasoned judgment and objective concern.