--- a/thys2/Paper/Paper.thy Tue Mar 22 11:14:02 2022 +0000
+++ b/thys2/Paper/Paper.thy Wed Mar 23 00:09:08 2022 +0000
@@ -968,8 +968,8 @@
%
\begin{equation}\label{derivex}
(a + aa)^* \quad\xll\quad
- \underbrace{\mbox{$(\ONE + \ONE{}a) \cdot (a + aa)^*$}}_{r} \;+\;
- ((a + aa)^* + \underbrace{\mbox{$(\ONE + \ONE{}a) \cdot (a + aa)^*$}}_{r})
+ \underbrace{\mbox{$(\ONE + a) \cdot (a + aa)^*$}}_{r} \;+\;
+ ((a + aa)^* + \underbrace{\mbox{$(\ONE + a) \cdot (a + aa)^*$}}_{r})
\end{equation}
\noindent This is a simpler derivative, but unfortunately we
Binary file thys2/paper.pdf has changed