src/HOL/Library/NatPair.thy
changeset 25594 43c718438f9f
parent 23394 474ff28210c0
child 25691 8f8d83af100a
     1.1 --- a/src/HOL/Library/NatPair.thy	Mon Dec 10 11:24:08 2007 +0100
     1.2 +++ b/src/HOL/Library/NatPair.thy	Mon Dec 10 11:24:09 2007 +0100
     1.3 @@ -7,7 +7,7 @@
     1.4  header {* Pairs of Natural Numbers *}
     1.5  
     1.6  theory NatPair
     1.7 -imports Main
     1.8 +imports PreList
     1.9  begin
    1.10  
    1.11  text{*