doc-src/Tutorial/Misc/Tree.thy
author wenzelm
Wed, 05 May 1999 18:35:41 +0200
changeset 6600 5a94bd71cc41
parent 5377 efb799c5ed3c
permissions -rw-r--r--
improved Makefile;

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