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PLEASE TYPE IF NOT TYPE THAN DO NOT DO IT*** DO ALL 3 (B VIA D)**** Exercise 8.4.1: Composition of relations expressed as a set of pairs. Here are two relations defined on the set {a, b, c, d}: S = { (a, b), (a, c), (c, d), (c, a) } R = { (b, c), (c, b), (a, d), (d, b) } Write each relation as a set of ordered pairs. (b) R ο S (c) S ο S (d) R ο R

PLEASE TYPE IF NOT TYPE THAN DO NOT DO IT*** DO ALL 3 (B VIA D)**** Exercise 8.4.1: Composition of relations expressed as a set of pairs. Here are two relations defined on the set {a, b, c, d}: S = { (a, b), (a, c), (c, d), (c, a) } R = { (b, c), (c, b), (a, d), (d, b) } Write each relation as a set of ordered pairs. (b) R ο S (c) S ο S (d) R ο R

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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PLEASE TYPE IF NOT TYPE THAN DO NOT DO IT***

DO ALL 3 (B VIA D)****

Exercise 8.4.1: Composition of relations expressed as a set of pairs.

Here are two relations defined on the set {a, b, c, d}:

  • S = { (a, b), (a, c), (c, d), (c, a) }
  • R = { (b, c), (c, b), (a, d), (d, b) }

Write each relation as a set of ordered pairs.

(b)

R ο S

(c)

S ο S

(d)

R ο R

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