src/HOL/BNF_Examples/TreeFsetI.thy
changeset 55129 26bd1cba3ab5
parent 55091 c43394c2e5ec
child 55933 12ee2c407dad
     1.1 --- a/src/HOL/BNF_Examples/TreeFsetI.thy	Thu Jan 23 19:02:22 2014 +0100
     1.2 +++ b/src/HOL/BNF_Examples/TreeFsetI.thy	Fri Jan 24 11:51:45 2014 +0100
     1.3 @@ -9,7 +9,7 @@
     1.4  header {* Finitely Branching Possibly Infinite Trees, with Sets of Children *}
     1.5  
     1.6  theory TreeFsetI
     1.7 -imports "~~/src/HOL/Library/More_BNFs"
     1.8 +imports "~~/src/HOL/Library/FSet"
     1.9  begin
    1.10  
    1.11  codatatype 'a treeFsetI = Tree (lab: 'a) (sub: "'a treeFsetI fset")