The notion of singular (or de re) thought has become central in philosophy of mind and language, yet there is still little consensus concerning the best way to think about the nature of singular thought. Coinciding with recognition of the need for more clarity about the notion, there has been a surge of interest in the concept of a mental file as a way to understand what is distinctive about singular thought. What isn't always clear, however, is what mental files are meant to be, and why we should believe that thoughts that employ them are singular as opposed to descriptive. This volume brings together original chapters by leading scholars which aim to examine and evaluate the viability of the mental files framework for theorizing about singular thought. The first section of the volume addresses the central issues of the definition and nature of singular thought, as well as how it relates to the notion of a mental file. The second section addresses the legitimacy of the mental files conception of singular thought by assessing the philosophical motivations or the purported empirical support for the view, or by laying out a specific version of it. The third section helps to clarify both the notion of a mental file and the mental files conception of singular thought by focusing on their role in explaining de jure coreference in thought and language. The volume then concludes with a final section that casts doubt on the mental files conception and the legitimacy of the file-theoretic framework more generally.

François Recanati presents his theory of mental files, a new way of understanding reference in language and thought. Linguistic expressions inherit their reference from the files that we associate with them, which are classified according to their function, which is to store information derived through certain types of relation to objects.

Leading philosophers present essays on an issue central to philosophy of mind, language, and perception: the nature of our thought about the external world. The essays explore directions for future research, an important resource for anyone working at the interface of semantics and mental representation.

Tim Crane addresses the ancient question of how it is possible to think about what does not exist. He argues that the representation of the non-existent is a pervasive feature of our thought about the world, and that to understand thought's representational power ('intentionality') we need to understand the representation of the non-existent.

François Recanati has pioneered the 'mental file' framework for thinking about concepts and how we refer to the world in thought and language. He now explores what happens to mental files in a dynamic setting: Recanati argues that communication involves interpersonal dynamic files.

First Published in 2001. Routledge is an imprint of Taylor & Francis, an informa company.