Junior Problem Seminar Dr. David A. SANTOS March 27, 2007Version Contents Preface 1 Essential Techniques 1.1 Reductio ad Absurdum Practice . . . . . . . . . . . 1.2 Pigeonhole…
Junior Problem Seminar David A. SANTOS [email protected] December 27, 2004 REVISION ii Contents Preface iii 1 Essential Techniques 1 1.1 Reductio ad Absurdum . . . . . . .…