THE GATEBOOK

Normalization Lectures

Let R be a relation from a set A to a set B. The inverse relation from B to A, denoted by , is the set of ordered pairs .

S1: R is reflexive relation iff

S2: R is a symmetric relation iff

Which one of the following statements is true?

(A).Only S1

(B).Only S2

(C).Both S1 and S2

(D).None