\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(adjacent \vertex \vertex
\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}
 & \index{GraphVertices!}(adjacent \vertex \vertex \graph
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(degree  \vertex \graph)
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(edge? \edgen
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(incident-edges \vertex \graph)
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(in-degree  \vertex \graph)
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(in-incident-edges \vertex \graph)
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(out-degree  \vertex \graph)
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(out-incident-edges \vertex \graph)
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{GraphVertices!}(vertex? \vertexn
\end{tabular}\\

		
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}\end{minipage}
\end{minipage}
\vspace{0.2in}