Discrete Mathematics and Its Applications
Key differences between 7th and 6th editions
 Period between current and previous publications: 5 years (2011 vs 2006).
 Rosen's Discrete Mathematics text was first published in 1988.
 Key changes to the Seventh Edition:
 The Seventh Ed. is organized into 13 chapters.
 Chapter 1:
 New section 1.2 Applications of Propositional Logic covers translation of English sentences, web search and Boolean searches, solving of logic puzzles, design of digital circuits.
 Proposed template for proofs by induction
 Chapter 2:
 New section 2.5 Cardinality of Sets covers countable and uncountable sets, Hilbert's paradox of the Grand Hotel, continuum hypothesis.
 Information from the former chapter 3 "The Fundamentals: Algorithms, the Integers, and Matrices" has been expanded and divided into two separate chapters 3 "Algorithms" and 4 "Number Theory and Cryptography".
 Chapter 3: Provides useful rules for bigO estimates of logarithms, powers, and exponential functions.
 New Chapter 4:
 New section 4.6 "Cryptography" covers cryptanalysis (the process of breaking codes, ciphers, and cryptosystems); public key cryptosystems; RSA cryptosystem, invented by Ronald Rivest, Adi Shamir, and Leonard Adleman; encryption and decryption of RSA; DiffieHellman key agreement protocol and digital signatures.
 Chapter 10:
 Matching in bipartite graphs, including Hall's Marriage Theorem
 Vertex connectivity, edge connectivity, and nconnectedness
 Application of graphs to the biological sciences, including nicheoverlap graphs in ecological networks, proteinprotein interaction networks.
7th Edition of
Discrete Mathematics and Its Applications
eBook, 1072 pages
eBook ISBN: 9780077418939
Published by: Science Engineering & Math, December 01, 2011
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Global Edition
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6th Edition of
Discrete Mathematics and Its Applications
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ISBN10: 0073229725
ISBN13: 9780073229720
Published by: McGrawHill Science/Engineering/Math, July 26, 2006
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5th Edition of
Discrete Mathematics and Its Applications
Hardcover, 896 pages
ISBN10: 0072930330
ISBN13: 9780072930337
Published by: McGrawHill Science/Engineering/Math, April 22, 2003
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ISBN10: 0072424346
ISBN13: 9780072424348
Published by: McGrawHill Science/Engineering/Math, September 09, 2002
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ISBN13: 9780071198813
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Hardcover
 Used 7th edition can save you $35.97 over the new one.

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