"We hold these truths to be self-evident, that all men are created equal..." This collection of essays addresses a philosophical problem raised by the first clause of these famous words. Does each signatory of the Declaration of Independence hold these truths individually, do they share some kind of a common attitude, or is there a single subject over and above the heads of its individual members that possesses a belief? "Collective Epistemology" is a name for the view that cognitive attitudes can be attributed to groups in a non-summative sense. The aim of this volume is to examine this...