# HG changeset patch # User wenzelm # Date 1231976659 -3600 # Node ID 23a26d17adc01256aa6b8c830a98000c446fe549 # Parent ec072307c69bd8e527bb09a981384f37eaa18127# Parent 15863d782ae39099b984fa283b46e18cfcf672bb merged diff -r 15863d782ae3 -r 23a26d17adc0 src/HOL/Fundamental_Theorem_Algebra.thy --- a/src/HOL/Fundamental_Theorem_Algebra.thy Thu Jan 15 00:44:06 2009 +0100 +++ b/src/HOL/Fundamental_Theorem_Algebra.thy Thu Jan 15 00:44:19 2009 +0100 @@ -970,6 +970,7 @@ definition order :: "'a::{idom,recpower} \ 'a poly \ nat" where + [code del]: "order a p = (LEAST n. \ [:-a, 1:] ^ Suc n dvd p)" lemma degree_power_le: "degree (p ^ n) \ degree p * n"