doc-src/Tutorial/Misc/Tree.thy
author nipkow
Fri, 01 Dec 2000 12:15:47 +0100
changeset 10560 f4da791d4850
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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