It is a common complaint against emotivism that it precludes the possibility of moral arguments that are valid in a non-trivial sense. An argument is formally valid if and only if, no matter how the non-logical vocabulary is interpreted, the premises cannot be true and the conclusion false. But if the premises of a moral argument are not truth-apt—if they are semantically incapable of truth or falsity—then all moral arguments, no matter how obviously “illogical” they may appear, will be triviall