Suppose that A is a nonempty set, and I is a function that
Chapter 8, Problem 8.5.9(choose chapter or problem)
Suppose that A is a nonempty set, and I is a function that has A as its domain. Let R be the relation on A consisting of all ordered pairs (x , y) such that I(x) = l(y). a) Show that R is an equivalence relation on A. b) What are the equivalence classes of R?
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