doc-src/Tutorial/Misc/Tree.thy
author paulson
Thu, 24 Jul 2003 16:41:40 +0200
changeset 14128 fd6d20c2371c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
header comment

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