doc-src/Tutorial/Misc/Tree.thy
author nipkow
Fri, 30 Mar 2001 18:12:26 +0200
changeset 11236 17403c5a9eb1
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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