src/HOL/Parity.thy
changeset 58889 5b7a9633cfa8
parent 58787 af9eb5e566dd
child 59816 034b13f4efae
     1.1 --- a/src/HOL/Parity.thy	Sun Nov 02 18:21:14 2014 +0100
     1.2 +++ b/src/HOL/Parity.thy	Sun Nov 02 18:21:45 2014 +0100
     1.3 @@ -3,7 +3,7 @@
     1.4      Author:     Jacques D. Fleuriot
     1.5  *)
     1.6  
     1.7 -header {* Parity in rings and semirings *}
     1.8 +section {* Parity in rings and semirings *}
     1.9  
    1.10  theory Parity
    1.11  imports Nat_Transfer