Page 26 - Discrete Structure II

10

2 0

2- 3

3-1
3-2

4-- 1

SoR = {(1, 0), (1, 1), (2, 1), (2, 2), (3, 0), (3, 1)}

example 2

R = {(1, 1), (1, 4), (2, 3), (3, 1), (3, 4)}
S = {(1, 0), (2, 0), (2, 3), (3, 1), (3, 2), (4,1)}

SoR?

SoR = { (1,0), (1, 1), (2,1), (2, 2), (3,0), (3, 1)}

Exercise page 582 # 32

Let R be the relation R = {(1, 2), (1, 3), (2, 3), (2, 4), (3, 1)} and S = {(2, 1), (3, 1), (3, 2), (4, 2), (4,1)}

Find SoR.

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