src/HOL/NthRoot.thy
changeset 58889 5b7a9633cfa8
parent 58770 ae5e9b4f8daf
child 59741 5b762cd73a8e
     1.1 --- a/src/HOL/NthRoot.thy	Sun Nov 02 18:21:14 2014 +0100
     1.2 +++ b/src/HOL/NthRoot.thy	Sun Nov 02 18:21:45 2014 +0100
     1.3 @@ -4,7 +4,7 @@
     1.4      Conversion to Isar and new proofs by Lawrence C Paulson, 2004
     1.5  *)
     1.6  
     1.7 -header {* Nth Roots of Real Numbers *}
     1.8 +section {* Nth Roots of Real Numbers *}
     1.9  
    1.10  theory NthRoot
    1.11  imports Deriv