Paul Pietroski

Noam Chomsky offered a fruitful conception of the languages that children regularly acquire and use in human speech. In discussions of meaning, Chomsky often emphasizes complexities of usage and warns against theories that identify word meanings with sets of things that the words are allegedly “true of.” While syntactic structure plays an important role in determining the conditions on reference that complex expressions impose, Chomsky denied that the semantic role of syntax is adequately characterized as a mapping from syntactic structures and extensions of lexical items to extensions of complex expressions. Chomsky began by describing languages as sets of sentences, with sentences described as strings of “formatives.” This familiar simplification was pedagogically useful. It let Chomsky distinguish importantly different kinds of recursive procedures, without yet discussing homophony.

We can use language to say what people did, often describing the same action in different complex ways. Davidson offered an illuminating analysis of action reports like “Miss Scarlet stabbed Colonel Mustard with a dagger in the library,” which involve adverbial modifiers. Part of the challenge here is to say how such modifiers are semantically related to the rest of the sentence. Building on the ancient observation that verbs are often used to describe what happened, Davidson argued that an action report implies the occurrence of an eventthat meets the conditions specified by the report; where an event can be described in endlessly many ways. In this chapter, I review Davidson's account, his arguments in favor of it, and his responses to some initial objections. I also discuss some subsequent work that supports central aspects of Davidson's proposal while also presenting challenges for combining his analysis of action reports with his broader conception of linguistic meaning.