(1) prove that the relation is an equivalence
Chapter 8, Problem 29E(choose chapter or problem)
Problem 29E
(1) prove that the relation is an equivalence relation, and (2) describe the distinct equivalence classes of each relation.
Exercise
Define P on the set R × R of ordered pairs of real numbers as follows: For all (w, x), (y, z) ∈ R × R,
(w, x) P (y, z) ⇔ w = y.
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