Discussion Forum
Que.  Consider the binary relation R = {(x, y), (x, z), (z, x), (z, y)} on the set {x, y, z}. Which one of the following is TRUE? 
a.  R is symmetric but NOT antisymmetric 
b.  R is NOT symmetric but antisymmetric 
c.  R is both symmetric and antisymmetric 
d.  R is neither symmetric nor antisymmetric 
Answer:R is neither symmetric nor antisymmetric
