--- a/src/HOL/Library/Product_ord.thy Fri Apr 20 11:21:41 2007 +0200
+++ b/src/HOL/Library/Product_ord.thy Fri Apr 20 11:21:42 2007 +0200
@@ -13,7 +13,7 @@
prod_le_def: "(x \<le> y) \<equiv> (fst x < fst y) \<or> (fst x = fst y \<and> snd x \<le> snd y)"
prod_less_def: "(x < y) \<equiv> (fst x < fst y) \<or> (fst x = fst y \<and> snd x < snd y)" ..
-lemmas prod_ord_defs = prod_less_def prod_le_def
+lemmas prod_ord_defs [code nofunc] = prod_less_def prod_le_def
lemma [code func]:
"(x1\<Colon>'a\<Colon>{ord, eq}, y1) \<le> (x2, y2) \<longleftrightarrow> x1 < x2 \<or> x1 = x2 \<and> y1 \<le> y2"