Solved: Let A be the set of students at your school and B
Chapter 8, Problem 8.1.29(choose chapter or problem)
Let A be the set of students at your school and B the set of books in the school library. Let RI and R2 be the relations consisting of all ordered pairs (a, b), where student a is required to read book b in a course, and where student a has read book b, respectively. Describe the ordered pairs in each of these relations. a) RI U R2 c) RI ED R2 e) R2 - RI
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