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Let P(A) be the power set of a non-empty...

Let P(A) be the power set of a non-empty set A. A relation R on P(A) is defined as follows :
`R={(X,Y) : X sube Y}`
Example (i) reflexivity, (ii)symmetry and (iii) transitivity of R on P(A).

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The correct Answer is:
Reflexive and transitive but not symmetric (when `X ne Y`)
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