doc-src/Tutorial/Misc/Tree.thy
author kleing
Mon, 29 Mar 2004 10:17:35 +0200
changeset 14493 216179c782a6
parent 5377 efb799c5ed3c
permissions -rw-r--r--
include exercises again

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