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Suppose, M = {({:(a,b),(c,d):})|a,b,c,...

Suppose,
`M = {({:(a,b),(c,d):})|a,b,c,d in R}` and `I_(2) = ({:(1,0),(0,1):})`
Define a relation - on M as follows:

A

~symmetric only

B

~symmetric and transitive

C

~reflexive and symmetric

D

`~`is an equivalence relation

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The correct Answer is:
A
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