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-rw-r--r--Prod.thy1
1 files changed, 1 insertions, 0 deletions
diff --git a/Prod.thy b/Prod.thy
index 4aa7119..f90ee9c 100644
--- a/Prod.thy
+++ b/Prod.thy
@@ -61,6 +61,7 @@ Note that this is a separate rule from function extensionality.
Note that the bold lambda symbol \<open>\<^bold>\<lambda>\<close> used for dependent functions clashes with the proof term syntax (cf. \<section>2.5.2 of the Isabelle/Isar Implementation).
\<close>
+lemmas Prod_form [form]
lemmas Prod_routine [intro] = Prod_form Prod_intro Prod_elim
lemmas Prod_comps [comp] = Prod_comp Prod_uniq