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src/HOL/Library/Sum_of_Squares.thy
changeset 58881 b9556a055632
parent 58630 71cdb885b3bb
child 60500 903bb1495239 
--- a/src/HOL/Library/Sum_of_Squares.thy	Sun Nov 02 17:16:01 2014 +0100
+++ b/src/HOL/Library/Sum_of_Squares.thy	Sun Nov 02 17:20:45 2014 +0100
@@ -3,7 +3,7 @@
     Author:     Philipp Meyer, TU Muenchen
 *)
 
-header {* A decision procedure for universal multivariate real arithmetic
+section {* A decision procedure for universal multivariate real arithmetic
   with addition, multiplication and ordering using semidefinite programming *}
 
 theory Sum_of_Squares
isabelle