According to Ayer’s Emotivism, ethical concepts are unverifiable – we cannot test their validity. Ayer explains that the reason they are unanalysable is that they are meaningless pseudo-concepts. Ethical propositions are neither true nor false, because they do not express any fact – ‘murder is wrong’ is not analytically, or empirically verifiable, so we simply cannot demonstrate that murder is wrong.
AJ Ayer was a logical positivist; the cornerstone of logical positivism = the verification principle. This claims that a statement has meaning only if it is either analytically or synthetically verifiable.
Ayer argued that moral judgements express…