Much of twentieth-century philosophy was organized around the "linguistic turn," in which metaphysical and epistemological issues were approached through an analysis of language. This turn was marked by two assumptions: that it was primarily the semantics of language that was relevant to broader philosophical issues, and that declarative assertions were the only verbal acts of serious philosophical interest. In 'Yo ' and 'Lo ' Rebecca Kukla and Mark Lance reject these assumptions. Looking at philosophical problems starting with the pragmatics of language, they develop a typology of...