Discrete Mathematics and Its Applications is intended for one or two term introductory Discrete Mathematics courses taken by students from a wide variety of majors including Computer Science Mathematics and Engineering. This renowned best-selling text which has been used at over 500 institutions around the world gives a focused introduction to the primary themes in a Discrete Mathematics course and demonstrates the relevance and practicality of Discrete Mathematics to a wide variety of real-world applications--from Computer Science to Data Networking to Psychology to Chemistry to Engineering to Linguistics to Biology to Business and many other important fields.