You can download Discrete Mathematics 7th Edition by Richard Johnsonbaugh free in pdf format.
About Book
ISBN-13: 978-0131593183
ISBN-10: 0131593188
Focused on helping students understand and construct proofs and expanding their mathematical maturity, this best-selling text is an accessible introduction to discrete mathematics. Johnsonbaugh’s algorithmic approach emphasizes problem-solving techniques. The Seventh Edition reflects user and reviewer feedback on both content and organization.