Hint for Section 10.1 Question 8

8. Let A = {1, 2, 3, ..., 10} and define a binary relation R on A as follows: " x, yA,   x R y 3 | (x - y).

a) The relation R will contain 34 ordered pairs. Don't forget that 3 | 0, so R will contain all the ordered pairs (x, x).

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