LAURA BERCHIELLI is  lecturer (maître de conférences) at the University of Clermont Auvergne. Her field of interest is the history of 17th and 18th century philosophy. Her research focuses particularly on the relationship between sensible qualities and spatial contents, the notions of space and extension, and the notion of meaning within the empiricist tradition. She is the author of a number of articles on different philosophers and themes in these areas. 

Preface (Laura Berchielli).- Chapter 1. Introduction (Laura Berchielli).- Chapter 2. Hobbes on Space as Imaginary Space (Martine Pécharman).- Chapter 3. Space and Substance in Locke's Essay (Martha Bolton).- Chapter 4. Spacious Mind and Spatial Spirits. Locke on Space and Thought (Philippe Hamou).- Chapter 5. Berkeley's Theological Challenge of Absolute Space in the Principles of Human Knowledge (Luc Peterschmitt).- Chapter 6. The Consequences of the Consequences of the Principles for the Theory of the Principles (Margaret Atherton).- Chapter 7. Berkeleian Instrumentalism: From Substance to Space (Robert Schwartz).- Chapter 8. Berkeley's two Notions of Extension (Laura Berchielli).- Chapter 9. The Ideality of Space in Enlightenment Empiricism: The Idéologues' Contribution (Elizabeth Schwartz).