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Cognitivism (Ethics)In ethics, cognitivism is the view that ethical sentences express propositions. See also non-cognitivism. Propositions are, roughly, what meaningful declarative sentences are supposed to express (but not interrogative or imperative sentences). Different sentences, in different languages, can (it is often thought) express the same proposition: 'snow is white' and 'Schnee ist weiss' both express the proposition that snow is white. A common assumption among philosophers who use this jargon is that propositions, properly speaking, are what are true or false (what bear truth values; they are truthbearers). So if an ethical sentence does express a proposition, then the sentence expresses something that can be true or false. To get a better idea of what it means to express a proposition, compare this to something that does not express a proposition. Suppose someone minding a convenience store sees a thief pick up a candy bar and run. The storekeeper manages to exclaim, "Hey!" In this case, "Hey!" does not express a proposition. Among the things that the exclamation does not express are, "that's a thief there"; "that thief is getting away"; or "that thief really annoys me." The storekeeper isn't saying anything at all, really, at least nothing that can be true or false. So it is not a proposition that the storekeeper is expressing. Perhaps it is an emotional state that is being expressed. The storekeeper is surprised and angered, and expresses those emotions by saying, "Hey!" It is an essential part of ethical naturalism that ethical sentences do express propositions. They are not just emotional outbursts, as though we were saying, "Hey!" or "Yay for Mary!" They are actually expressing propositions that can be true or false. Derivatively, the naturalist would say that ethical sentences themselves are either true or false. But cognitivism does also agree with ethical irrealism or anti-realism. Ethical naturalism (or ethical realism) and ethical cognitivism are different theories. Several metaethical theories accept that ethical sentences can be true or false, even if there are no natural, physical or in any way real (also called worldly) entities to make them true or false. In a similar way as there is no real entity to make true the sentence If it had rained yesterday, the floor would have been wet. John Skorupski defends normative cognitivist irrealism distinguishing between receptive awareness, which is not possible in normative matters, and non-receptive awareness (including dialogical knowledge), which is possible in normative matters. Cognitivism points to the semantic difference between imperative sentences and declarative sentences in normative subjects. Or to the different meanings and purposes of some superficially declarative sentences. For instance, if a teacher allows one of her students to go out by saying You may go out., this sentence is neither true or false. It gives a permission. But, in most situations, if one of the students asks one of his classmates whether she thinks that he may go out and she answers Of course you may go out., this sentence is either true or false. It does not give a permission, it states that there is a permission. Another argument for ethical cognitivism stands on the close resemblance between ethics and other normative matters, such as games. As much as morality, games consist of norms (or rules), but it would be hard to accept that it be not true that the chessplayer who checkmates the other one wins the game. If statements about game rules can be true or false, why not ethical statements? An ethical naturalist and other ethical cognitivists might hold that it can be true or false that Mary is a good person; it can be true or false that stealing and lying are always wrong. On the other hand, if one believes the sentence, "Mary is a good person," cannot be either true or false, then one is not a cognitivist. Notice, too, that if we say that ethical sentences merely express emotions (they "do" no more than that: see speech act), as though they were just exclamations like "Hey!" and "Yay for Mary!", then we cannot also think that ethical sentences are true or false. It would be nonsense to say, "It's true that 'Hey!'" or "It's false that 'Yay for Mary!'" Mere expressions of emotion might be appropriate ("apt" is the jargon bandied here) or inappropriate, but not true or false. This is the claim of emotivism.
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