changeset 36719 | d396f6f63d94 |
parent 36716 | b09f3ad3208f |
child 36823 | 001d1aad99de |
--- a/src/HOL/Nat_Numeral.thy Thu May 06 19:35:43 2010 +0200 +++ b/src/HOL/Nat_Numeral.thy Thu May 06 23:11:56 2010 +0200 @@ -319,6 +319,10 @@ lemma nat_numeral_1_eq_1 [simp]: "Numeral1 = (1::nat)" by (simp add: nat_number_of_def) +lemma Numeral1_eq1_nat: + "(1::nat) = Numeral1" + by simp + lemma numeral_1_eq_Suc_0 [code_post]: "Numeral1 = Suc 0" by (simp only: nat_numeral_1_eq_1 One_nat_def)