Question
Question: The void relation on a set A is...
The void relation on a set A is
A
Reflexive
B
Symmetric and transitive
C
Reflexive and symmetric
D
Reflexive and transitive
Answer
Symmetric and transitive
Explanation
Solution
The void relation R on A is not reflexive as (a, a)∈/Rfor any a∈A. The void relation is symmetric and transitive.