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5. Let R1 and R2 be the relations on {1,2,3,4} given by R1 = {(1,1), (1,2), (3,4), (4,2)} R2 = {(1,1), (2,1), (3,1), (4,4), (2,2), (3,3)} %3D a) List the elements of R, o R, and R, ● R,. b) Is R2 reflexive? Justify your answer. c) Is R, o R, transitive? Justify your answer. d) Find R2-R1.

5. Let R1 and R2 be the relations on {1,2,3,4} given by R1 = {(1,1), (1,2), (3,4), (4,2)} R2 = {(1,1), (2,1), (3,1), (4,4), (2,2), (3,3)} %3D a) List the elements of R, o R, and R, ● R,. b) Is R2 reflexive? Justify your answer. c) Is R, o R, transitive? Justify your answer. d) Find R2-R1.

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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5. Let R1 and R2 be the relations on {1,2,3,4} given by R1 = {(1,1), (1,2), (3,4), (4,2)} R2 = {(1,1), (2,1), (3,1), (4,4), (2,2), (3,3)} %3D %3D a) List the elements of R, • R, and R, ● R,: b) Is R2 reflexive? Justify your answer. c) Is R, o R, transitive? Justify your answer. d) Find R2-R1.
Transcribed Image Text:5. Let R1 and R2 be the relations on {1,2,3,4} given by R1 = {(1,1), (1,2), (3,4), (4,2)} R2 = {(1,1), (2,1), (3,1), (4,4), (2,2), (3,3)} %3D %3D a) List the elements of R, • R, and R, ● R,: b) Is R2 reflexive? Justify your answer. c) Is R, o R, transitive? Justify your answer. d) Find R2-R1.
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