--- a/src/HOL/Groebner_Basis.thy Thu Dec 04 12:32:38 2008 -0800
+++ b/src/HOL/Groebner_Basis.thy Thu Dec 04 13:30:09 2008 -0800
@@ -173,12 +173,12 @@
lemma not_iszero_Numeral1: "\<not> iszero (Numeral1::'a::number_ring)"
by (simp add: numeral_1_eq_1)
+
lemmas comp_arith = Let_def arith_simps nat_arith rel_simps if_False
if_True add_0 add_Suc add_number_of_left mult_number_of_left
numeral_1_eq_1[symmetric] Suc_eq_add_numeral_1
- numeral_0_eq_0[symmetric] numerals[symmetric] not_iszero_1
- iszero_number_of_Bit1 iszero_number_of_Bit0 nonzero_number_of_Min
- iszero_number_of_Pls iszero_0 not_iszero_Numeral1
+ numeral_0_eq_0[symmetric] numerals[symmetric]
+ iszero_simps not_iszero_Numeral1
lemmas semiring_norm = comp_arith