doc-src/Tutorial/Misc/Tree.thy
author wenzelm
Mon, 04 Dec 2000 23:16:25 +0100
changeset 10580 930ac2bfa637
parent 5377 efb799c5ed3c
permissions -rw-r--r--
include table of Isabelle standard symbols;

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