Question: I need help with this (4) Determine if the relations R and S below on the real numbers R are equivalence relations. If yes, prove

I need help with this

(4) Determine if the relations R and S below on the real numbers R are equivalence relations. If yes, prove all properties. If no, give a counterexample for one of the properties which fails. (a) aRy if and only if a - y e Q (b) xSy if and only if |z| 2 ly]

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