doc-src/Tutorial/Misc/Tree.thy
author nipkow
Mon, 19 Mar 2001 12:38:36 +0100
changeset 11213 aeb5c72dd72a
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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