Bøger af A. Beller

Philanthropic foundations play an increasingly important role in attempts to enhance the performance of school systems. Based on case studies from Germany, Switzerland and the US, this book develops an innovative model of effective education philanthropy for successfully tackling problems in the complex field of education.

Axiomatic set theory is the concern of this book. More particularly, the authors prove results about the coding of models M, of Zermelo-Fraenkel set theory together with the Generalized Continuum Hypothesis by using a class 'forcing' construction. By this method they extend M to another model L[a] with the same properties. L[a] is Godels universe of 'constructible' sets L, together with a set of integers a which code all the cardinality and cofinality structure of M. Some applications are also considered. Graduate students and research workers in set theory and logic will be especially interested by this account.