Let X be the set of all persons living in a city. Persons x, y in X are said to be related as x < y if y at least 5 years older than x. which one of the following is correct?
1
The relation is a Reflexive relation on X.
2
The relation is not a Reflexive relation on X.
3
Persons x, y in X are said to be related if and only if y = x + 5
4
None