Question: Suppose A = {2, 3, 6, 9, 10, 12, 14, 18, 20} and R is the partial order relation defined on A where xRy means

Suppose A = {2, 3, 6, 9, 10, 12, 14, 18,

Suppose A = {2, 3, 6, 9, 10, 12, 14, 18, 20} and R is the partial order relation defined on A where xRy means x is a divisor of y. a) Find all maximal elements. b) Find all minimal elements. c) Find lub({2, 9}). d) Find lub({3, 10}). e) Find glb({14, 10})

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