Gottlob Frege has exerted an enormous influence on the evolution of twentieth-century philosophy, yet the real significance of that influence is still very much a matter of debate. This book provides a completely new and systematic account of Frege's philosophy by focusing on its cornerstone: the theory of sense and reference. This study represents a major reassessment of a seminal figure in the history of philosophy, and will be of particular interest to philosophers concerned with language and epistemology.

The interest in a better understanding of what is constitutive for being a person is a concern philosophy shares with some of the sciences. The views currently discussed in evolutionary biology and in the neurosciences are very much influenced by traditional philosophical views about the self and self-knowledge, while contemporary philosophical accounts are not considered at all. Such an account will be given by an analysis of three focal elements of the use of the first-person pronoun. These elements have something to do with the faculty of taking a first-person point of view. The conceptual...