i want to solve this:

Find the composition of the relations

R1= {(1,2),(1,6),(2,4),(3,4),(3,6),(3,8)}

& R2= {(2,u),(4,s),(4,t),(6,t),(8,u)}

Azhar

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- Apr 4th 2009, 11:04 AMAZHARComposition of relations
i want to solve this:

Find the composition of the relations

R1= {(1,2),(1,6),(2,4),(3,4),(3,6),(3,8)}

& R2= {(2,u),(4,s),(4,t),(6,t),(8,u)}

Azhar - Apr 4th 2009, 12:08 PMPlato
$\displaystyle

R_2 \circ R_1 = \left\{ {\left( {1,u} \right),\left( {1,t} \right),\left( {2,s} \right),\left( {2,t} \right),\left( {3,t} \right),\left( {3,s} \right),\left( {3,u} \right)} \right\}$