| changeset 58249 | 180f1b3508ed |
| parent 55378 | e61e023c9faf |
| child 58310 | 91ea607a34d8 |
--- a/src/HOL/Statespace/DistinctTreeProver.thy Tue Sep 09 17:51:07 2014 +0200 +++ b/src/HOL/Statespace/DistinctTreeProver.thy Tue Sep 09 20:51:36 2014 +0200 @@ -18,7 +18,7 @@ subsection {* The Binary Tree *} -datatype 'a tree = Node "'a tree" 'a bool "'a tree" | Tip +datatype_new 'a tree = Node "'a tree" 'a bool "'a tree" | Tip text {* The boolean flag in the node marks the content of the node as