Blood Relation

Logic Level 2

If \(P + Q\) means \(P\) is the brother of \(Q\); \(P \times Q\) means \(P\) is the father of \(Q\) and \(P - Q\) means \(P\) is the sister of \(Q\), which of the following relation shows that \(I\) is the niece of \(K\)?

Details

  • The operations \(+,-,\times\) are binary relations. I.e. \(P+Q\times R\) means that \(P\) is the brother of \(Q\), and \(Q\) is the father of \(R\).
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