DM-Groups and Lattice-Q11

+1 vote

Let R be a relation from a set A to a set B. The inverse relation from B to A, denoted by R^{-1}, is the set of ordered pairs  \{(b, a) | (a, b) \in R\}.

S1: R is reflexive relation iff R^ {-1} = R

S2: R is a symmetric relation iff R^ {-1} = R

Which one of the following statements is true?

(A).Only S1

(B).Only S2

(C).Both S1 and S2

(D).None 

asked Jul 8 in Discrete Maths by gbeditor (4,440 points)
reshown Jul 9 by gbeditor

1 Answer

0 votes
B is correct
answered Jul 9 by tsnikhilsharmagate2018 (17,270 points)
Answer:
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