A student argues: 'If moral anti-realism is true, then there is no reason to prefer helping others over harming them — it's all just subjective opinion.' Which response best identifies the flaw in this reasoning?
AMany anti-realist positions — especially constructivist views — derive robust moral standards from rational agency, shared norms, or the conditions of social life, without requiring mind-independent moral facts
BThe student is correct — anti-realism logically entails that all moral positions are equally valid
CThe flaw is confusing emotivism with error theory; only error theory leads to the conclusion that morality is arbitrary
DAnti-realism is simply false, so the conclusion doesn't follow
The most important insight about anti-realism is that rejecting mind-independent moral facts does not entail that 'anything goes.' Constructivists ground moral standards in rational agency or the conditions for social cooperation. Expressivists can distinguish between more and less warranted attitudes based on coherence and responsiveness to reasons. Anti-realism is a metaethical position about the nature of moral claims — it does not eliminate the distinction between better and worse moral reasoning.
Question 2 Multiple Choice
According to error theory, what is the status of the moral claim 'Causing unnecessary suffering is wrong'?
AIt is false — not because causing suffering is permissible, but because there are no moral facts that could make any moral claim true
BIt expresses a negative attitude toward suffering and is therefore neither true nor false
CIt is true because it reflects what most rational people accept
DIt is true because harm is an objective, natural feature of the world
Error theory holds that moral claims are truth-apt — they aim to describe facts — but systematically false, because the mind-independent moral facts they presuppose do not exist. This is distinct from emotivism (option B), which holds moral claims are not truth-apt at all: they express attitudes rather than making factual assertions. Error theory's provocative move is to say we are sincere but systematically mistaken when we make moral claims — not that morality is mere opinion, but that it is a kind of systematic fiction.
Question 3 True / False
A sophisticated anti-realist can defend robust moral standards and distinguish between better and worse moral reasoning, even without appealing to mind-independent moral facts.
TTrue
FFalse
Answer: True
This is the insight students most often miss about anti-realism. Rejecting objective moral facts does not force the anti-realist into a position where all moral views are equally valid. Constructivists ground norms in what rational agents would agree to, or in the conditions required for any functioning community. Expressivists evaluate attitudes by their internal coherence, consistency, and responsiveness to relevant information. Anti-realism is a claim about what moral language refers to, not a denial that reasons and argument can distinguish better from worse moral positions.
Question 4 True / False
Error theory and emotivism reach the same conclusion: moral statements are neither true nor false.
TTrue
FFalse
Answer: False
Error theory and emotivism differ precisely on this point. Emotivism (a form of non-cognitivism) holds that moral claims express emotions or attitudes rather than propositions, so they are neither true nor false. Error theory (a form of cognitivism) holds that moral claims ARE propositions — they do make factual assertions about the world — but those assertions are systematically false because the moral facts they presuppose don't exist. Both reject moral realism, but for different reasons with different implications for moral language and its role in reasoning.
Question 5 Short Answer
How can a moral anti-realist distinguish between a well-reasoned moral position and a poorly-reasoned one, if there are no objective moral facts to appeal to?
Think about your answer, then reveal below.
Model answer: Anti-realists have several strategies. Constructivists ground moral standards in what rational agents would agree to under idealized conditions, or in the norms required for any viable social life. Expressivists evaluate attitudes by their internal coherence, their consistency with other commitments, and their responsiveness to relevant information and argument. The key move is grounding normativity in features of agents, practices, or reasoning processes rather than in mind-independent facts — which allows real distinctions between better and worse moral reasoning without requiring realism.
This question targets the central challenge for anti-realism: if there are no moral facts 'out there,' what makes one moral view better than another? The anti-realist's answer is that justification can be grounded internally — in the coherence of commitments, the soundness of reasoning, or the demands of rationality — without correspondence to external moral facts. This is why sophisticated anti-realism is not equivalent to 'anything goes': the standards are real even if they are not mind-independent.