Venn Diagrams
Type: tool
A Venn diagram often visually describes a set $S$.
\begin{tikzpicture}
\draw[thick] (0,0) circle (1.35cm);
\node[fill=knowledgeyellowbg, inner sep=1pt] at (0,1.35) {$S$};
\end{tikzpicture}
We can draw multiple Venn diagrams to visualize how sets interact.