src/HOL/Library/Quotient_Sum.thy
changeset 58881 b9556a055632
parent 55943 5c2df04e97d1
child 58916 229765cc3414
     1.1 --- a/src/HOL/Library/Quotient_Sum.thy	Sun Nov 02 17:16:01 2014 +0100
     1.2 +++ b/src/HOL/Library/Quotient_Sum.thy	Sun Nov 02 17:20:45 2014 +0100
     1.3 @@ -2,7 +2,7 @@
     1.4      Author:     Cezary Kaliszyk and Christian Urban
     1.5  *)
     1.6  
     1.7 -header {* Quotient infrastructure for the sum type *}
     1.8 +section {* Quotient infrastructure for the sum type *}
     1.9  
    1.10  theory Quotient_Sum
    1.11  imports Main Quotient_Syntax