src/HOL/Set_Interval.thy
changeset 58889 5b7a9633cfa8
parent 57514 bdc2c6b40bf2
child 58970 2f65dcd32a59
     1.1 --- a/src/HOL/Set_Interval.thy	Sun Nov 02 18:21:14 2014 +0100
     1.2 +++ b/src/HOL/Set_Interval.thy	Sun Nov 02 18:21:45 2014 +0100
     1.3 @@ -11,7 +11,7 @@
     1.4  Examples: Ico = {_ ..< _} and Ici = {_ ..}
     1.5  *)
     1.6  
     1.7 -header {* Set intervals *}
     1.8 +section {* Set intervals *}
     1.9  
    1.10  theory Set_Interval
    1.11  imports Lattices_Big Nat_Transfer