Four people with radically different outlooks on the world meet on a train and start talking about what they believe. Their conversation varies from cool logical reasoning to heated personal confrontation. Each starts off convinced that he or she is right, but then doubts creep in. In a tradition [...]

Are there such things as merely possible people, who would have lived if our ancestors had acted differently? Are there future people, who have not yet been conceived? Questions like those raise deep issues about both the nature of being and its logical relations with contingency and change. In Moda[...]

"Identity and Discrimination," originally published in 1990 and the first book by respected philosopher Timothy Williamson, is now reissued and updated with the inclusion of significant new material. Williamson here proposes an original and rigorous theory linking identity, a relation central to met[...]

World mass migration began in the early nineteenth century, when advances in transportation technology and industrial revolutions at home enabled increasing numbers of people to set off for other parts of the globe in search of a better life. Two centuries later, there is no distant African, Asian, [...]