src/HOL/Rings.thy
changeset 58889 5b7a9633cfa8
parent 58776 95e58e04e534
child 58952 5d82cdef6c1b
     1.1 --- a/src/HOL/Rings.thy	Sun Nov 02 18:21:14 2014 +0100
     1.2 +++ b/src/HOL/Rings.thy	Sun Nov 02 18:21:45 2014 +0100
     1.3 @@ -7,7 +7,7 @@
     1.4      Author:     Jeremy Avigad
     1.5  *)
     1.6  
     1.7 -header {* Rings *}
     1.8 +section {* Rings *}
     1.9  
    1.10  theory Rings
    1.11  imports Groups