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Unformatted text preview: is an equivalence relation. Question 4. Let R be the relation on R r { } dened by a R b iff a b Q or ab Q . Determine whether R is an equivalence relation. ( Hint: You may make use of the fact that 2 / Q .) 1...
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This note was uploaded on 01/31/2011 for the course MATH 300 taught by Professor Ctw during the Spring '08 term at Rutgers.
 Spring '08
 ctw
 Math, Sets

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