\begin{frame} \frametitle{Express the following Cardinality Limits} \begin{quiz}{\textwidth}{} Every $a$ in $A$ is connected to precisely one $b$ in $B$,\\ and every $b$ in $B$ is connected to at most one $a$ in $A$. \end{quiz} \pause \begin{center} \begin{tikzpicture}[every edge/.style={link},node distance=18mm,>=triangle 45] \begin{scope} \node[relationship] (R) {R}; \node (l) [left of=R,entity,minimum size=4mm] {A}; \draw (R) -- node[above,pos=.6] {$0\sldots1$} (l); \node (r) [right of=R,entity,minimum size=4mm] {B}; \draw (R) -- node[above,pos=.7] {$1\sldots 1$} (r); \end{scope} \end{tikzpicture} \end{center} \pause \begin{quiz}{\textwidth}{} Every $a$ in $A$ is connected to one or more $b$ in $B$,\\ and every $b$ in $B$ is connected to at most one $a$ in $A$. \end{quiz} \pause \begin{center} \begin{tikzpicture}[every edge/.style={link},node distance=18mm,>=triangle 45] \begin{scope} \node[relationship] (R) {R}; \node (l) [left of=R,entity,minimum size=4mm] {A}; \draw (R) -- node[above,pos=.6] {$0\sldots 1$} (l); \node (r) [right of=R,entity,minimum size=4mm] {B}; \draw (R) -- node[above,pos=.6] {$1\sldots *$} (r); \end{scope} \end{tikzpicture} \end{center} \pause \begin{quiz}{\textwidth}{} Every $a$ in $A$ is connected to one or more $b$ in $B$,\\ and every $b$ in $B$ is connected to precisely one $a$ in $A$. \end{quiz} \pause \begin{center} \begin{tikzpicture}[every edge/.style={link},node distance=18mm,>=triangle 45] \begin{scope} \node[relationship] (R) {R}; \node (l) [left of=R,entity,minimum size=4mm] {A}; \draw (R) -- node[above,pos=.7] {$1\sldots 1$} (l); \node (r) [right of=R,entity,minimum size=4mm] {B}; \draw (R) -- node[above,pos=.6] {$1\sldots *$} (r); \end{scope} \end{tikzpicture} \end{center} \end{frame}