doc-src/Tutorial/Misc/Tree.thy
author nipkow
Sat, 06 Jan 2001 12:39:05 +0100
changeset 10801 c00ac928fc6f
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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