Reflexive Anti Asymmetric – Discrete Structures

Question 1 UGC NET June-2020    
Consider the following properties:
A. Reflexive
B. Antisymmetric
C. Symmetric
Let A = {a, b, c, d, e, f, g} and R = {(a,a), (b,b), (c,d), (c,g), (d,g), (e,e), (f,f), (g,g)} be a relation on A.
Which of the following property (properties) is (are) satisfied by the relation R?
A – Only A
B – Only C
C – Both A and B
D – B and not A

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Answer : D

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