diff -r 25af24e1f37b -r 180f1b3508ed src/HOL/Decision_Procs/Reflected_Multivariate_Polynomial.thy
--- a/src/HOL/Decision_Procs/Reflected_Multivariate_Polynomial.thy	Tue Sep 09 17:51:07 2014 +0200
+++ b/src/HOL/Decision_Procs/Reflected_Multivariate_Polynomial.thy	Tue Sep 09 20:51:36 2014 +0200
@@ -10,7 +10,7 @@
 
 subsection{* Datatype of polynomial expressions *}
 
-datatype poly = C Num | Bound nat | Add poly poly | Sub poly poly
+datatype_new poly = C Num | Bound nat | Add poly poly | Sub poly poly
   | Mul poly poly| Neg poly| Pw poly nat| CN poly nat poly
 
 abbreviation poly_0 :: "poly" ("0\<^sub>p") where "0\<^sub>p \<equiv> C (0\<^sub>N)"