1 files changed, 1 insertions, 0 deletions
diff --git a/Unit.thy b/Unit.thy
index 61c6439..7c221f0 100644
--- a/Unit.thy
+++ b/Unit.thy
@@ -25,6 +25,7 @@ where
 
   Unit_comp: "\<lbrakk>c: C \<star>; C: \<one> \<longrightarrow> U i\<rbrakk> \<Longrightarrow> ind\<^sub>\<one> c \<star> \<equiv> c"
 
+lemmas Unit_form [form]
 lemmas Unit_routine [intro] = Unit_form Unit_intro Unit_elim
 lemmas Unit_comp [comp]