In the mathematical practice, the Baire category method is a tool for establishing the existence of a rich array of generic structures. However, in mathematics,

During the Fall Semester of 1987, Stevo Todorcevic gave a series of lectures at the University of Colorado. These notes of the course, taken by the author, give

This book, now in a thoroughly revised second edition, provides a comprehensive and accessible introduction to modern set theory. Following an overview of basic