\[
\newcommand{\tr}{\Rightarrow}
\newcommand{\trs}{\tr^{\!\ast}}
\newcommand{\rlnm}[1]{\mathsf{(#1)}}
\newcommand{\rred}[1]{\xrightarrow{#1}}
\newcommand{\rreds}[1]{\mathrel{\xrightarrow{#1}\!\!^*}}
\newcommand{\cl}{\mathsf{Cl}}
\newcommand{\pow}{\mathcal{P}}
\newcommand{\matches}{\mathrel{\mathsf{matches}}}
\newcommand{\kw}[1]{\mathsf{#1}}
\newcommand{\andop}{\mathrel{\&\!\&}}
\newcommand{\orop}{\parallel}
\newcommand{\ff}{\mathsf{false}}
\newcommand{\tt}{\mathsf{true}}
\newcommand{\abra}[1]{\langle #1 \rangle}
\newcommand{\bnfnt}[1]{\abra{\small \textsf{#1}}}
\newcommand{\llbracket}{[\![}
\newcommand{\rrbracket}{]\!]}
\newcommand{\first}{\mathsf{First}}
\newcommand{\nullable}{\mathsf{Nullable}}
\newcommand{\follow}{\mathsf{Follow}}
\newcommand{\tm}[1]{\mathsf{#1}}
\newcommand{\nt}[1]{\mathit{#1}}
\newcommand{\Coloneqq}{::=}
\newcommand{\abs}[1]{|#1|}
\]
\[\begin{array}{|c|c|}\hline
\text{Nonterminal} & \text{Nullable?} & \text{First} & \text{Follow} \\\hline
B & \times & \tt,\,\ff,\,( & ),\,\andop,\,\orop \\\hline
\end{array}\]
\(\first(\alpha) =
\begin{cases}
\emptyset & \text{if $\alpha = \epsilon$}\\
\{a\} & \text{if $\alpha$ is of shape $a\beta$}\\
\first(X) & \text{if $\alpha$ is of shape $X\beta$ and $\neg \nullable(X)$}\\
\first(X) \cup \first(\beta) & \text{if $\alpha$ is of shape $X\beta$ and $\nullable(X)$}
\end{cases}\)