doc-src/Tutorial/Misc/Tree.thy
author paulson
Tue, 17 Apr 2001 15:03:41 +0200
changeset 11255 ca546b170471
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

Tree = Main +
datatype 'a tree = Tip | Node ('a tree) 'a ('a tree)
end