src/HOL/ex/Unification.thy
changeset 58310 91ea607a34d8
parent 58249 180f1b3508ed
child 58889 5b7a9633cfa8
     1.1 --- a/src/HOL/ex/Unification.thy	Thu Sep 11 19:26:59 2014 +0200
     1.2 +++ b/src/HOL/ex/Unification.thy	Thu Sep 11 19:32:36 2014 +0200
     1.3 @@ -32,7 +32,7 @@
     1.4  
     1.5  text {* Binary trees with leaves that are constants or variables. *}
     1.6  
     1.7 -datatype_new 'a trm = 
     1.8 +datatype 'a trm = 
     1.9    Var 'a 
    1.10    | Const 'a
    1.11    | Comb "'a trm" "'a trm" (infix "\<cdot>" 60)