doc-src/Tutorial/Misc/Tree.thy
author nipkow
Mon, 08 Jul 2002 08:20:21 +0200
changeset 13307 cf076cdcfbf3
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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