BuyFind*arrow_forward*

5th Edition

EPP + 1 other

Publisher: Cengage Learning,

ISBN: 9781337694193

Chapter 8.4, Problem 25ES

Textbook Problem

Use Theorem 5.2.2 to prove that if *a *and *n *are positive integers and
*n *is prime.

Discrete Mathematics With Applications

Show all chapter solutions

Ch. 8.1 - If R is a relation from A to B, xA , and yB , the...Ch. 8.1 - If R is a relation from A to B, xA and yB , the...Ch. 8.1 - If R is a relation from A to B, xA , and yB , then...Ch. 8.1 - A relation on a set A is a realtion _______to...Ch. 8.1 - If R is a relation on a set A, the directed graph...Ch. 8.1 - As in Example 8.1.2, the congruence modulo 2...Ch. 8.1 - Prove that for all integers m and n,m-n is even...Ch. 8.1 - The congruence modulo 3 relation, T, is defined...Ch. 8.1 - Define a relation P on Z as follows: For every...Ch. 8.1 - Let X={a,b,c} . Recall that P(X) is the power set...

Ch. 8.1 - Let X={a,b,c}. Define a relation J on P(X) as...Ch. 8.1 - Define a relation R on Z as follows: For all...Ch. 8.1 - Let A be the set of all string of a’s and b’s of...Ch. 8.1 - Let A be the set of all strings of 0’s, 1’s, and...Ch. 8.1 - Let A={3,4,5} and B={4,5,6} and let R be the “less...Ch. 8.1 - Let A={3,4,5} and B={4,5,6} and let S be the...Ch. 8.1 - Suppose a function F:XY is one-to-one but not...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Draw the directed graphs of the relations defined...Ch. 8.1 - Exercises 19-20 refer to unions and intersections...Ch. 8.1 - Exercises 19—20 refer to unions and intersections...Ch. 8.1 - Define relation R and S on R as follows:...Ch. 8.1 - Define relations R and S on R as follows:...Ch. 8.1 - Define relations R and S on R as follows:...Ch. 8.1 - In Example 8.17 consider the query SELECT...Ch. 8.2 - For a relation R on a set A to be reflexive means...Ch. 8.2 - For a relation R on a set A to be symmetric means...Ch. 8.2 - For a relation R on a set A to be transitive means...Ch. 8.2 - To show that a relation R on an infinite set A is...Ch. 8.2 - To show that a relation R on an infinite set A is...Ch. 8.2 - To show that a relation R on an infinite set A is...Ch. 8.2 - To show that a relation R on a set A is not...Ch. 8.2 - To show that a relation R on a set not symmentric,...Ch. 8.2 - To show that a relation R on a set A is not...Ch. 8.2 - Given a relation R on a set A, the transitive...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 1-8, a number of relations are defined on the...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9—33, determine whether the given relation is...Ch. 8.2 - In 9—33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given is reflexive...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9—33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 9-33, determine whether the given relation is...Ch. 8.2 - In 34-36, assume that R is a relation on a et A....Ch. 8.2 - In 34-36, assume that R is a relation on a et A....Ch. 8.2 - In 34-36, assume that R is a relation on a et A....Ch. 8.2 - In 37-42, assume that R and S are relations on set...Ch. 8.2 - In 37-42, assume that R and S are relations on a...Ch. 8.2 - In 37-42, assume that R and S are relations on set...Ch. 8.2 - In 37-42, assume that R and S are relations on set...Ch. 8.2 - In 37-42, assume that R and S are relations on a...Ch. 8.2 - In 37-42, assume that R and S are relations on a...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 43-50, the following definitions are used: A...Ch. 8.2 - In 51—53, R, S, and T are relations defined on...Ch. 8.2 - In 51—53, R, S, and T are relations defined on...Ch. 8.2 - In 51-53, R,S, and T are relations defined...Ch. 8.2 - Write a computer algorithm to test whether a...Ch. 8.2 - Write a computer algorithm to test whether a...Ch. 8.2 - Write a computer algorithm to test whether a...Ch. 8.3 - For a relation on a set to be an equivalence...Ch. 8.3 - The notation m=n(modd) is...Ch. 8.3 - Given an equivalence relation R on a set A and...Ch. 8.3 - If A is a set, R is an equivalence relation A, and...Ch. 8.3 - If A is a set and R is an equivalence relation on...Ch. 8.3 - Let A=Z(Z{0}) , and define a relation R on A by...Ch. 8.3 - Suppose that S={a,b,c,d,e} and R is a relation on...Ch. 8.3 - Each of the following partitions of {0,1,2,3,4}...Ch. 8.3 - In each of 3-6, the relation R is an equivalence...Ch. 8.3 - In each of 3—6, the relation R is an equivalence...Ch. 8.3 - In each of 3-6, the relation R is an equivalence...Ch. 8.3 - In each of 3-6, the relation R is an equivalence...Ch. 8.3 - In each of 7-14, the relation R is an equivalence...Ch. 8.3 - In each of 7-14, the relation R is an equivalence...Ch. 8.3 - In each of 7-14, the relation R is an equivalence...Ch. 8.3 - In each of 7-14, relation R is an equivalence...Ch. 8.3 - In each of 7-14, relation R is an equivalence...Ch. 8.3 - In each of 7-14, relation R is an equivalence...Ch. 8.3 - In each of 7-14, the relation R is an equivalence...Ch. 8.3 - In each of 7—14, the relation R is an equivalence...Ch. 8.3 - Determine which of the following congruence...Ch. 8.3 - Let R be the relation of congruence modulo 3....Ch. 8.3 - Prove that for all integers m and n,m=n (mod 3)...Ch. 8.3 - Give an example of two sets that are distinct but...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19—31, (1) prove that the relation is an...Ch. 8.3 - In 19—31, (1) prove that the relation is an...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19-31. (1) prove that the relation is an...Ch. 8.3 - In 19-31,(1) prove that the relation is an...Ch. 8.3 - In 19-31,(1) prove that the relation is an...Ch. 8.3 - In 19-31,(1) prove that the relation is an...Ch. 8.3 - In 19-31,(1) prove that the relation is an...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19-31, (1) prove that the relation is an...Ch. 8.3 - In 19—31, (1) prove that the relation is an...Ch. 8.3 - Let A be the set of all straight lines in the...Ch. 8.3 - Let A be the set of points in the rectangle...Ch. 8.3 - The documentation for the computer language Java...Ch. 8.3 - Find an additional representative circuit for the...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on a set A. Prove...Ch. 8.3 - Let R be an equivalence relation on s set A. Prove...Ch. 8.3 - Let R be the relation defined in Example 8.3.12....Ch. 8.3 - In Example 8.3.12, define operations of addition...Ch. 8.3 - Let A=Z+Z+ . Define a relation R on A as follows:...Ch. 8.3 - The following argument claims to prove that the...Ch. 8.3 - Let R be a relation on a set A and suppose R is...Ch. 8.3 - Refer to the quote at the beginning of this...Ch. 8.4 - When letters of the alphabet are encrypted using...Ch. 8.4 - If a,b, and n are integers with n1 , all of the...Ch. 8.4 - If a, b. c, d, m, and n arc integers with n1 and...Ch. 8.4 - If a, n, and k are positive integers with n1 , an...Ch. 8.4 - To express a greatest common divisor of two...Ch. 8.4 - To find an inverse for a positive integer a modulo...Ch. 8.4 - TO encrypt a message M using RSA cryptography with...Ch. 8.4 - Euclid’s lemma says that for all integers a, b,...Ch. 8.4 - Fermat’s little theorem says that if p is any...Ch. 8.4 - The crux of the proof that the RSA cipher words is...Ch. 8.4 - Use the Caesar cipher to encrypt the message WHERE...Ch. 8.4 - Use the Caesar cipher to encrypt the message AN...Ch. 8.4 - Let a=25,b=19, and n=3. Verify that 3(2519) ....Ch. 8.4 - Let a=68, b=33, and n=7. Verify that 7|(68-33)....Ch. 8.4 - Prove the transitivity of modular congruence. That...Ch. 8.4 - Prove that the distinct equivalence classes of the...Ch. 8.4 - Verify the following statements. 128=2(mod7) and...Ch. 8.4 - Verify the following statements. 45=3 (mod 6) and...Ch. 8.4 - In 9-11, prove each of the given statements,...Ch. 8.4 - In 9-11, prove each of the given statements,...Ch. 8.4 - In 9-11, prove each of the given statements,...Ch. 8.4 - Prove that for every integer n0,10n=1(mod9) . Use...Ch. 8.4 - a. Prove that for every integer n1 ,...Ch. 8.4 - Use the technique of Example 8.4.4 to find...Ch. 8.4 - Use the result of exercise 14 an d the technique...Ch. 8.4 - In 16-18, use the techniques of Example 8.4.4 and...Ch. 8.4 - In 16-18, use the techniques of Example 8.4.4 and...Ch. 8.4 - In 16-18, use the techniques of Example 8.4.4 and...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - In 19-24, use the RSA cipher from Examples 8.4.9...Ch. 8.4 - Use Theorem 5.2.2 to prove that if a and n are...Ch. 8.4 - In 26 and 27, use the extended Euclidean algorithm...Ch. 8.4 - In 26 and 27, use the extended Euclidean algorithm...Ch. 8.4 - In 28 and 29, for the given values of A and B,...Ch. 8.4 - In 28 and 29, for the given values of A and B,...Ch. 8.4 - Finish the proof of Theorem 8.4.5 by proving that...Ch. 8.4 - Find an inverse for 210 modulo 13. Find appositive...Ch. 8.4 - Find an inverse for 41 modulo 660. Find the least...Ch. 8.4 - Use Theorem 8.4.5to prove that for all integers a,...Ch. 8.4 - Give a counterexample to show that the statement...Ch. 8.4 - Corollary 8.4.7 guarantees the existence of an...Ch. 8.4 - In 36,37,39 and 40, use the RSA cipher with public...Ch. 8.4 - In 36,37,39 and 40, use the RSA cipher with public...Ch. 8.4 - Find the least positive inverse for 43 modulo 660.Ch. 8.4 - In 36,37,39 and 40, use the RSA cipher with public...Ch. 8.4 - In 36,37,39 and 40, use the RSA cipher with public...Ch. 8.4 - a. Use mathematical induction and Euclid’s lemma...Ch. 8.4 - According to Fermat’s little theorem, if p is a...Ch. 8.4 - Fermat’s little theorem can be used to show that a...Ch. 8.5 - For a relation R on a set A on a set to be...Ch. 8.5 - To show that a relation R on an infinite set A is...Ch. 8.5 - To show that a relation R on a set A is not...Ch. 8.5 - To construct a Hasse diagram for a partial order...Ch. 8.5 - If A is a set that is partially odereed with...Ch. 8.5 - A relation on a set A is a total order if, and...Ch. 8.5 - If A a set that is partially ordered with respect...Ch. 8.5 - Let A be a set that is partially order with...Ch. 8.5 - Given a set A that is partially ordered with...Ch. 8.5 - PERT and CPM are used to produces efficient_____Ch. 8.5 - Each of the following is a relation on {0,1,2,3}...Ch. 8.5 - Let P be the set of all people in the world and...Ch. 8.5 - Let S be the set of all strings of a’s and b’s....Ch. 8.5 - Let R be the “less than” relation on R, the set of...Ch. 8.5 - Let R be the set of all real numbers and define a...Ch. 8.5 - Let P be the set of all people who have ever lived...Ch. 8.5 - Define a relation R on Z, the set of all integers...Ch. 8.5 - Define a relation R on Z, the set of all integers...Ch. 8.5 - Define a relation R on R, the set of all real...Ch. 8.5 - Suppose R and S are antisymmetric relations on a...Ch. 8.5 - Let A={a,b}, and supposeAhas the partial order...Ch. 8.5 - Prove Theorem 8.5.1Ch. 8.5 - Let A={a,b} . Describe all partial order relations...Ch. 8.5 - Let A={a,b,c}. Describe all partial order...Ch. 8.5 - Suppose a relation R on a set A is reflexive,...Ch. 8.5 - Consider the “divides” relation on each of the...Ch. 8.5 - Consider the “sbset” relation on P(S) for each of...Ch. 8.5 - Let S={0,1} and consider the partial order...Ch. 8.5 - Let S={0,1} and consider the partial order...Ch. 8.5 - Let S={0,1} and consider the partial order...Ch. 8.5 - Consider the “divides” relation defined on the set...Ch. 8.5 - In 22-29, find all greatest, least, maximal, and...Ch. 8.5 - In 22-29, find all greatest, least, maximal, and...Ch. 8.5 - In 22-29, find all greatest, least, maximal, and...Ch. 8.5 - In 22-29, find all greatest, least, maximal, and...Ch. 8.5 - In 22—29, find all greatest, least, maximal, and...Ch. 8.5 - In 22—29, find all greatest, least, maximal, and...Ch. 8.5 - In 22—29, find all greatest, least, maximal, and...Ch. 8.5 - In 22—29, find all greatest, least, maximal, and...Ch. 8.5 - Each of the following sets is partially ordered...Ch. 8.5 - Let A={a,b,c,d} , and let R be the relation...Ch. 8.5 - Let A={a,b,c,d} , and let R be the relation...Ch. 8.5 - Consider the set A={12,24,48,3,9} ordered by the...Ch. 8.5 - Suppose that R is a partial order relation on a...Ch. 8.5 - The set P({w,x,y,z}) is partially ordered with...Ch. 8.5 - The set A={2,4,3,6,12,18,24} is partially ordered...Ch. 8.5 - Find a chain of length 2 for the relation defined...Ch. 8.5 - Prove that a partially ordered set is totally...Ch. 8.5 - Suppose that A is a totally ordered set. Use...Ch. 8.5 - Prove that a nonempty, finite, partially ordered...Ch. 8.5 - Prove that a finite, partially ordered set has At...Ch. 8.5 - Draw a Hasse diagram for a partially ordered set...Ch. 8.5 - Draw a Hasse diagram for a partially ordered set...Ch. 8.5 - Use the algorithm given in the text find a...Ch. 8.5 - Use the algorithm given in the text to find a...Ch. 8.5 - Use the algorithm given in the text to find a...Ch. 8.5 - Use the algorithm given in the text to find a...Ch. 8.5 - Use the algorithm given in the text to find a...Ch. 8.5 - Refer to the prerequisite structure show in Figure...Ch. 8.5 - A set S of jobs can be ordered by writing x_y to...Ch. 8.5 - Suppose the tasks described in Example 8.5.12...

Find more solutions based on key concepts

Show solutions Solve the following exercises. Where necessary, round the answers to 2 decimal places unless otherwise specifie...

Mathematics For Machine Technology

In Exercises 43-66, do the following. a. Perform the given computation, working solely in the given base. b. Ch...

Mathematics: A Practical Odyssey

Fill in the blanks. a. A demand function expresses the relationship between the unit _ and the quantity _ of a ...

Finite Mathematics for the Managerial, Life, and Social Sciences

Solve each proportion (round each result to three significant digits when necessary): 1015=y75

Elementary Technical Mathematics

23. A woman makes $3000 contributions at the end of each half-year to a retirement account for a period of 8 ye...

Mathematical Applications for the Management, Life, and Social Sciences

In Exercises 5-8, graph the given function or equation. f(x)=4xx2 with domain [0,4]

Finite Mathematics

Write each Egyptian numeral as a Hindu-Arabic numeral.

Mathematical Excursions (MindTap Course List)

A roofline shows a span of 12 ft across a sloped roof, and this span is accompanied by a 2-ft rise. To the near...

Elementary Geometry for College Students

In Exercises 516, evaluate the given quantity. log5125

Applied Calculus

For Problems 55-94, simplify each numerical expression. Objectives 7 16(14)+16+1719

Intermediate Algebra

If D is a region enclosed by a closed curve C, such as that pictured in question 1, and F(x, y) = P(x, y)i + Q(...

Study Guide for Stewart's Multivariable Calculus, 8th

A survey of adults aged 18 and older conducted by Princess Cruises asked how many days into your vacation does ...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

Sketch the graphs of the equations in Exercises 512. 2yx2=1

Finite Mathematics and Applied Calculus (MindTap Course List)

The current value of a company is 25 million. If the value of the company six year ago was 10 million, what is ...

Statistics for Business & Economics, Revised (MindTap Course List)

Wegesin and Stern (2004) found greater consistency (less variability) in the memory performance scores for youn...

Statistics for The Behavioral Sciences (MindTap Course List)

Refer back to Example 13.3 in which the simple linear regression model was fit to data on x = Proportion who ju...

Introduction To Statistics And Data Analysis

For Review Exercises 19 and 20, statements P and Q are true while statement R is false. Classify each statement...

Elementary Geometry For College Students, 7e

Solve each equation by factoring. 24x2+6=24x

College Algebra (MindTap Course List)

Define plagiarism and explain the techniques that can be used to help avoid unintentional plagiarism.

Research Methods for the Behavioral Sciences (MindTap Course List)

A researcher has a sample of 30 rats that are all cloned from the same source. The 30 rats are genetically iden...

Research Methods for the Behavioral Sciences (MindTap Course List)

PA/CJ As part of an evaluation of the efficiency of your local police force, you have gathered the following da...

Essentials Of Statistics

Analyzing College Grade Point Average. Recall that in exercise 49, the admissions officer for Clearwater Colleg...

Essentials Of Statistics For Business & Economics

DISCUSS: Vectors That Form a Polygon Suppose that n vectors can be placed head to tail in the plane so that the...

Precalculus: Mathematics for Calculus (Standalone Book)

Determine whether the following statement is true or false, if its false, explain why or give an example to sho...

Calculus: Early Transcendental Functions (MindTap Course List)

Sketching Tangent Lines In Exercises 1-6, trace the graph and sketch the tangent lines at (x1,y1)and(x2,y2).

Calculus: An Applied Approach (MindTap Course List)

Use Property 8 of integrals to estimate the value of the integral. 41. 13x2+3dx

Single Variable Calculus

Mean Value Theorem In Exercises 31 and 32, copy the graph and sketch the secant line to the graph through the p...

Calculus (MindTap Course List)

[(13)2]3

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

For Problems 15-20, use the specified number of classes to do the following. (a) Find the class width. (b) Make...

Understanding Basic Statistics

Finding a Particular SolutionIn Exercises 17-22, find the particular solution of the differential equation that...

Multivariable Calculus

Write the equation in spherical coordinates. 10. (a) z = x2 + y2 (b) z = x2 y2

Multivariable Calculus

Instead of showing the actual number of individuals in each category, a population frequency distribution graph...

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Big Pine Tree Service has 18 employees, 12 with gross earnings of $350 per week and 6 with gross earnings of $4...

Contemporary Mathematics for Business & Consumers

TEST YOUR UNERSTANDING | FOR EXAMPLE 4.4 Suppose 900 is invested in a savings account that earns interest of 4 ...

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

For the continuous function at the right and the given value N, how many points c satisfy the conclusion of the...

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

Volume In Exercises 89 and 90, find the volume of the solid formed by revolving the region bounded by the graph...

Calculus of a Single Variable

Logarithmic Properties What is the value of n? ln4+ln(n1)=ln4ln7

Calculus: Early Transcendental Functions

1720 Find the points on the curve where the tangent is horizontal or vertical. If you have a graphing device, g...

Calculus (MindTap Course List)

Evaluate the integral. 0/4sectand

Single Variable Calculus: Early Transcendentals, Volume I

Evaluate the limit. limx0e2xe2xln(x+1)

Single Variable Calculus: Early Transcendentals

10. Suppose that and are subgroups of the abelian group such that . If is a subgroup of such that , prove t...

Elements Of Modern Algebra

For Problems 55 through 60, round your answers to the nearest tenth of a unit when necessary. Find the diamete...

Trigonometry (MindTap Course List)

Each of a sample of four home mortgages is classified as fixed rate (F) or variable rate (V). a. What are the 1...

Probability and Statistics for Engineering and the Sciences

Evaluate the integral by making an appropriate change of variables. 23. Rx2y3xydA. Where R is the parallelogram...

Calculus: Early Transcendentals

In the following exercises, solve for the antiderivative f of f with C = 0, then use a calculator to graph f an...

Calculus Volume 2

For the following exercises, consider triangle ABC, a right triangle with a right angle at C. a. Find the missi...

Calculus Volume 1

In Problems 110 write the given differential equation in the form L(y) = g(x), where L is a linear differential...

A First Course in Differential Equations with Modeling Applications (MindTap Course List)

20. Junior Achievement USA and the Allstate Foundation surveyed teenagers aged 14 to 18 and asked at what age t...

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)