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Let A = {p, q, r}. Which of the followin...

Let A = {p, q, r}. Which of the following is not an equivalence relation on A?

A

`R_(1)= {(p,q), (q,r), (p,r), (p,p)}`

B

`R_(2)= {(r,q), (r,p), (r,r), (q,q)}`

C

`R_(3)= {(p,p), (q,q), (r,r), (p,q)}`

D

None of these

Text Solution

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The correct Answer is:
D
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