books.google.cl - This text presents methods of modern set theory as tools that can be usefully applied to other areas of mathematics. The author describes numerous applications in abstract geometry and real analysis and, in some cases, in topology and algebra. The book begins with a tour of the basics of set theory,...http://books.google.cl/books/about/Set_Theory_for_the_Working_Mathematician.html?id=tTEaMFvzhDAC&utm_source=gb-gplus-shareSet Theory for the Working Mathematician