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**1. The problem statement, all variables and given/known data**

R is the relation of the set R; xRy if and only if (x + y)

^{2}= 1.

Is it transitive.

**2. Relevant equations**

**3. The attempt at a solution**

Every description of transitive involves 3 elements. Here, I just have x and y. It is defined as xRy so there is a relation but is it transitive all by itself with just those two elements?