Peter Hanks defends a new theory about the nature of propositional content. According to this theory, the basic bearers of representational properties are particular mental or spoken actions. Propositions are types of these actions, which we use to classify and individuate our attitudes and speech acts. Hanks abandons several key features of the traditional Fregean conception of propositional content, including the idea that propositions are the primary bearers of truth-conditions, the distinction between content and force, and the concept of entertainment. The main difficulty for this...