\begin{minipage}[t]{8in}
\begin{tabular}{ll}
SetBase$<$Item,Impl$>$  & s;
\end{tabular}\\
 
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create an empty set using the \Container\ 
class {\em Impl} (where {\em Impl} contains elements of type {\em Item})
as an implementation.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
SetBase$<$Item,Impl$>$  & s( (Collection$<$Item$>$\&) c); 
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create a set 
	using the \Container\ 
	class {\em Impl} (where {\em Impl} contains elements of type 
	{\em Item}) as an implementation.  
	Initialize the collection with the elements of $c$.
	Note that although $c$ may be a multiset, no duplicate elements are 
	inserted into $s$.  $O(nq)$, where $q$ is the complexity of the
	{\Container}'s \verb+memberQ()+ method.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
SetBase$<$Item,Impl$>$  & s( (SetBase$<$Item,Impl$>$\&) ss); 
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create an empty multiset 
	using the \Container\ 
	class {\em Impl} (where {\em Impl} contains elements of type 
	{\em Item}) as an implementation.  
	Use reference counting to share the elements of $ss$. $O(1)$\end{minipage}
\end{minipage}
\vspace{0.2in}



\begin{minipage}[t]{8in}
\begin{tabular}{ll}
Set$<$Item$>$  & s( (Collection$<$Item$>$\&) c); 
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create a set using the implementation
	specified by DEFAULT\_SET\_IMPL in MSet.h.  Initialize it with 
	the elements
	of $c$.  $O(nq)$, where $q$ is the complexity of the 
	{\Container}'s \verb+memberQ()+ method.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
Set$<$Item$>$  & s( (Set$<$Item$>$\&) ss); 
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create an empty multiset using the implementation
specified by DEFAULT\_SET\_IMPL in MSet.h.  Use reference counting to
share the elements of $ss$. $O(1)$\end{minipage}
\end{minipage}
\vspace{0.2in}