Which of the following is not an equivalence relation on Z ?
Answer & explanation
Correct answer: option 3
Option C
a R b ⇔ a ≤ b
for a, a (a < a) → false relation is not reflexive
⇒ it is not equivalence relation
Which of the following is not an equivalence relation on Z ?
Correct answer: option 3
Option C
a R b ⇔ a ≤ b
for a, a (a < a) → false relation is not reflexive
⇒ it is not equivalence relation