Mercurial Mercurial > repos > isabelle / diff
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
src/HOL/Decision_Procs/Commutative_Ring.thy
changeset 40077 c8a9eaaa2f59
parent 33356 9157d0f9f00e
child 41807 ab5d2d81f9fb 
--- a/src/HOL/Decision_Procs/Commutative_Ring.thy	Fri Oct 22 23:45:20 2010 +0200
+++ b/src/HOL/Decision_Procs/Commutative_Ring.thy	Sun Oct 24 20:19:00 2010 +0200
@@ -266,7 +266,7 @@
     proof cases
       assume "even l"
       then have "Suc l div 2 = l div 2"
-        by (simp add: nat_number even_nat_plus_one_div_two)
+        by (simp add: eval_nat_numeral even_nat_plus_one_div_two)
       moreover
       from Suc have "l < k" by simp
       with 1 have "\<And>P. Ipol ls (pow l P) = Ipol ls P ^ l" by simp
isabelle