9. Let R be a relation from A to B and S be a relation from B to C.(a) Prove that Dom

Chapter 3, Problem 9

(choose chapter or problem)

9. Let R be a relation from A to B and S be a relation from B to C.(a) Prove that Dom .(b) Show by example that Dom may be false.(c) Which of these two statements must be true:Give an example to show that the other statement may be false.

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