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# If $A\cap B=B$ then what can you say about $A$ and $B$?

$\begin{array}{1 1} A\subset B \\ B\subset A \\ A=\phi \\ B=\phi\end{array}$

Can you answer this question?

If $A\cap B=B$ then B is smaller set and is within A
$B\subset A$
answered May 17, 2013