\begin{tabular}{lll}
{\nonterminal{Exp}} & {\arrow} &{\nonterminal{Ident}} {\terminal{{$=$}}} {\nonterminal{Exp}} \\
- & {\delimit} &{\nonterminal{Exp1}} {\nonterminal{BOp}} {\nonterminal{Exp1}} \\
+ & {\delimit} &{\nonterminal{Exp1}} {\nonterminal{Op0}} {\nonterminal{Exp1}} \\
& {\delimit} &{\nonterminal{Exp1}} \\
\end{tabular}\\
\end{tabular}\\
\begin{tabular}{lll}
-{\nonterminal{BOp}} & {\arrow} &{\terminal{{$<$}}} \\
+{\nonterminal{Op0}} & {\arrow} &{\terminal{{$<$}}} \\
& {\delimit} &{\terminal{{$<$}{$=$}}} \\
& {\delimit} &{\terminal{{$>$}}} \\
& {\delimit} &{\terminal{{$>$}{$=$}}} \\
\begin{tabular}{lll}
{\nonterminal{Op}} & {\arrow} &{\nonterminal{Op1}} \\
& {\delimit} &{\nonterminal{Op2}} \\
+ & {\delimit} &{\nonterminal{Op0}} \\
\end{tabular}\\
\begin{tabular}{lll}