src/ZF/Int_ZF.thy
changeset 58871 c399ae4b836f
parent 57492 74bf65a1910a
child 59788 6f7b6adac439
     1.1 --- a/src/ZF/Int_ZF.thy	Sun Nov 02 16:09:35 2014 +0100
     1.2 +++ b/src/ZF/Int_ZF.thy	Sun Nov 02 16:39:54 2014 +0100
     1.3 @@ -3,7 +3,7 @@
     1.4      Copyright   1993  University of Cambridge
     1.5  *)
     1.6  
     1.7 -header{*The Integers as Equivalence Classes Over Pairs of Natural Numbers*}
     1.8 +section{*The Integers as Equivalence Classes Over Pairs of Natural Numbers*}
     1.9  
    1.10  theory Int_ZF imports EquivClass ArithSimp begin
    1.11