changeset 29485 | ec072307c69b |
parent 29478 | 4a2482e16934 |
child 29538 | 5cc98af1398d |
--- a/src/HOL/Fundamental_Theorem_Algebra.thy Wed Jan 14 19:38:55 2009 +0100 +++ b/src/HOL/Fundamental_Theorem_Algebra.thy Wed Jan 14 13:47:14 2009 -0800 @@ -970,6 +970,7 @@ definition order :: "'a::{idom,recpower} \<Rightarrow> 'a poly \<Rightarrow> nat" where + [code del]: "order a p = (LEAST n. \<not> [:-a, 1:] ^ Suc n dvd p)" lemma degree_power_le: "degree (p ^ n) \<le> degree p * n"