Noncognitivism
Noncognitivists (or nondescriptivists) hold that the function of normative judgments is not, or not primarily, to describe or state facts and that because of this, these judgments lack a truth-value. A strong form of ethical nondescriptivism says that moral judgments have no descriptive function, but weaker forms say only that their nondescriptive function is primary or dominant.
Differing accounts of the nondescriptive function of moral language generate a variety of nondescriptivisms. Moral judgments have been said to express emotions, feelings, attitudes, or stances; and they have been characterized as tools for performing other nondescriptive tasks such as commanding, requesting, endorsing, or commending. A. J. Ayer, whose position is called emotivism, said that "ethical terms" express emotions or feelings and that they "are calculated also to arouse feelings, and so to stimulate action" (1952, p. 108). C. L. Stevenson, whose metaethical theory is called noncognitivism, argued that the major use of "ethical statements" is dynamic rather than fact stating. They are not, he said, primarily used to describe interests or attitudes but rather to change or intensify attitudes and to influence behavior. What Stevenson called the emotive meaning of ethical terms makes this dynamic use possible and also explains why ethical judgments, unlike factual ones, are capable of moving us to action.
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