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Exam (elaborations)

Mathematics: A Discrete Introduction (3rd Edition) – Solutions Manual by Scheinerman – PDF

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INSTANT PDF DOWNLOAD — Solutions Manual for Mathematics: A Discrete Introduction (3rd Edition) by Edward R. Scheinerman. Includes detailed step-by-step answers for all 10 chapters, covering logic, proofs, combinatorics, number theory, recursion, and graph theory. Perfect for discrete math students and instructors needing complete verified solutions for assignments and exams. Discrete Mathematics, Edward Scheinerman, Logic Proofs, Graph Theory, Combinatorics, Recursion, Mathematical Induction, Number Theory, Counting Principles, Set Theory, Discrete Structures, Algorithms, Problem Solving, Math Solutions Manual, College Mathematics, Math PDF, Discrete Problems, Mathematical Reasoning, Discrete Math Guide, Step-by-Step Solutions, Math Homework, Exam Preparation

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Uploaded on
October 12, 2025
Number of pages
283
Written in
2025/2026
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ALL 10 CHAPTERS COVERED




SOLUTIONS MANUAL

, Instructor’s Manual
with complete solutions
for

Mathematics: A Discrete Introduction
Third Edition




Edward R. Scheinerman
The Johns Hopkins University




This title page will be replaced by Cengage
Version: 2012:03:01:11:12

,To Kelly, Jeff, and Andrew

, Contents

Preface ix


1 Fundamentals 1
1 Joy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Speaking (and Writing) of Mathematics . . . . . . . . . . . . . . . . . . . . . . . 1
3 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4 Theorem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5 Proof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6 Counterexample . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7 Boolean Algebra . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12


2 Collections 22
8 Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
9 Factorial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
10 Sets I: Introduction, Subsets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
11 Quantifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
12 Sets II: Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
13 Combinatorial Proof: Two Examples . . . . . . . . . . . . . . . . . . . . . . . . . 41


3 Counting and Relations 44
14 Relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
15 Equivalence Relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
16 Partitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
17 Binomial Coefficients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
18 Counting Multisets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
19 Inclusion-Exclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70


4 More Proof 76
20 Contradiction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
21 Smallest Counterexample . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
22 Induction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
23 Recurrence Relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

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