“…Neither convention nor imagination, broadly construed, seem analyzable in such terms. 9 8 A related point: Lepore and Stone seem to be fellow travelers with King and Stanley (2005), Martí (2015), Merchant (2010), Stanley (2000), and Stanley and Szabó (2000) in striving to render more of linguistic interaction tractable using just the linguist's familiar formal tools. If the book is to achieve this goal, however, their bold conjecture cannot be a matter of implicit definition-for example, "something is a properly linguistic interaction if and only if it can be handled using the familiar techniques of linguistics"-but must instead be an empirically supported discovery.…”