# HG changeset patch
# User huffman
# Date 1273629695 25200
# Node ID 02df88789641b73fc40a612c3fa9c7cb7cf37118
# Parent  1e020f4458464a0368e34b4a5e944b95a39f3390
include iszero_simps in semiring_norm just once (they are already included in rel_simps)

diff -r 1e020f445846 -r 02df88789641 src/HOL/Nat_Numeral.thy
--- a/src/HOL/Nat_Numeral.thy	Tue May 11 19:00:32 2010 -0700
+++ b/src/HOL/Nat_Numeral.thy	Tue May 11 19:01:35 2010 -0700
@@ -712,7 +712,7 @@
   if_True add_0 add_Suc add_number_of_left mult_number_of_left
   numeral_1_eq_1 [symmetric] Suc_eq_plus1
   numeral_0_eq_0 [symmetric] numerals [symmetric]
-  iszero_simps not_iszero_Numeral1
+  not_iszero_Numeral1
 
 lemma Let_Suc [simp]: "Let (Suc n) f == f (Suc n)"
   by (fact Let_def)