diff -r bae8c3eb51c7 -r 99e89ad35d76 handouts/ho02.tex
--- a/handouts/ho02.tex	Wed Oct 08 10:42:10 2025 +0100
+++ b/handouts/ho02.tex	Wed Oct 08 16:52:45 2025 +0100
@@ -952,7 +952,7 @@
 we can transform this into 
 
 \[
-[] \in L(r_1) \vee []\in(r_2)
+[] \in L(r_1) \vee []\in L(r_2)
 \]
 
 \noindent We just replaced the $\textit{nullable}(\ldots)$ parts by