Question: If ( X , R ) and ( X , S ) are binary relations, the intersection relation R S on X is defined by

If (X, R) and (X, S) are binary relations, the intersection relation R
S on X is defined by R n S =[(a,b) : aRb and aSb}
Identify (X, R n S) when X = the set of all people in Ireland, R = "older than," and S = "father of".

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