\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (graph) 
\end{tabular}\\
  
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create and return an undirected, binary, simple graph.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (graph \vlist \elist)
\end{tabular}\\
 
	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}If \vlist is a Scheme list containing
	 integer, string, and/or symbol Scheme objects, and \elist
	 is a scheme list containing sublists of these elements, 
	 Create an undirected graph or hypergraph of the appropriate
	 type. \end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (graph \set$<$\vertex*$>$ \ \  \mset$<$\edge*$>$)
\end{tabular}\\
 
	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create an undirected graph or hypergraph of the appripriate type
	 with the given vertex and edge sets.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (graph \set$<$\vertex*$>$ \ \  \set$<$\set$<$\vertex*$>$$>$
\end{tabular}\\
 
	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create an undirected graph or hypergraph of the appripriate type
	 with the given vertex and edge sets. NOTE: the edge set is
	 not a multiset since the output of (choose s k) is a set of
	 sets.  CAN BE FIXED.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (digraph)
\end{tabular}\\
  
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create and return an undirected, binary, simple graph.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (digraph \vlist \elist)
\end{tabular}\\
 
	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}If \vlist is a Scheme list containing
	 integer, string, and/or symbol Scheme objects, and \elist
	 is a scheme list containing sublists of these elements, 
	 Create a directed graph or hypergraph of the appropriate
	 type. \end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (digraph \set$<$\vertex*$>$ \ \  \mset$<$\edge*$>$)
\end{tabular}\\
 
	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}NOT IMPLEMENTED YET.\end{minipage}
\end{minipage}
\vspace{0.2in}
 

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (digraph \set$<$\vertex*$>$ \set$<$\sequence$<$\vertex*$>$$>$)
\end{tabular}\\
 
	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Create a directed graph or hypergraph of the appripriate type
	 with the given vertex and edge sets. NOTE: the edge set is
	 not a multiset since the output of (choose s k) is a set of
	 sets.  CAN BE FIXED.\end{minipage}
\end{minipage}
\vspace{0.2in}
  

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
(mbingraph)
  \\
(mubingraph)
  \\
(mdbingraph)
  \\
(mhypergraph)
  \\
(muhypergraph)
  \\
(mdhypergraph)
  \\
(bingraph)
  \\
(ubingraph)
  \\
(dbingraph)
  \\
(hypergraph)
  \\
(uhypergraph)
  \\
(dhypergraph)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in} Creates an empty graph of the appropriate type.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (directed-graph \gn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Return \g if it is not a directed graph (it is undirected or mixed), 
         otherwise create and return a directed graph which is isomorphic 
	 to \g except that each edge is directed according to lexicographic 
	 ordering of its vertices.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (multi-graph \gn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Return \g if it is a multigraph, otherwise create and return
	 a simple graph which is isomorphic to \g except that no edge is
	 duplicated.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (simple-graph \gn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Return \g if it is not a multigraph, otherwise create and return
         a multigraph of the corresponding type and isomorphic to \gn.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
  & (undirected-graph \gn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}Return \g if it is not an undirected graph, otherwise create and return
	 an undirected graph which is isomorphic to \gn when the directions
	 of the edges are ignored.\end{minipage}
\end{minipage}
\vspace{0.2in}