diff --git a/doc/state-transition-rules.md b/doc/state-transition-rules.md
index 6eee71a..4b3c9bc 100644
--- a/doc/state-transition-rules.md
+++ b/doc/state-transition-rules.md
@@ -1,22 +1,9 @@
 ```math
-\begin{align*}
-    \begin{array}{|rrrrr|}
-        \hline
-        & a : s & d & h
-        \left[
-            \begin{array}{l}
-                a : \texttt{NAp } a_1 a_2 \\
-                a_2 : \texttt{NInd } a_3
-            \end{array}
-        \right] & g \\[14pt]
-        \implies & a : s & d & h
-        \left[
-            \begin{array}{l}
-                a : \texttt{NAp } a_1 a_3
-            \end{array}
-        \right] & g \\
-        \hline
-    \end{array}
-\end{align*}
+\[ \begin{tblr}{|ccclc|}
+    \hline
+    & a : s & d & h \begin{bmatrix} a : \mathtt{NAp} \; a_1 \; a_2 \\ a_2 : \mathtt{NInd} \; a_3 \end{bmatrix} & f \\
+    \implies & a : s & d & h[a : \mathtt{NAp} \; a_1 \; a_3] & f \\
+    \hline
+\end{tblr} \]
 ```