doc-src/Tutorial/Misc/Tree.thy
author paulson
Thu, 16 Oct 2003 10:32:06 +0200
changeset 14237 a486123e24a5
parent 5377 efb799c5ed3c
permissions -rw-r--r--
line-breaks; rewording

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