doc-src/Tutorial/Misc/Tree.thy
author wenzelm
Sun, 04 Feb 2001 22:28:31 +0100
changeset 11059 9ef75bf54a49
parent 5377 efb799c5ed3c
permissions -rw-r--r--
converted to new-style;

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