Question: 7 . If R and S are reflexive, is R S reflexive? Why? 3 8 . H IfRandSaresymmetric, is R S symmetric? Why? 3 9

7. If R and S are reflexive, is R S reflexive? Why? 38. H IfRandSaresymmetric, is R S symmetric? Why? 39. If R and S are transitive, is R S transitive? Why? 40. If R and S are reflexive, is R S reflexive? Why? 41. If R and S are symmetric, is R S symmetric? Why? 42. If R and S are transitive, is R S transitive? Why?

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