doc-src/Tutorial/Misc/Tree.thy
author wenzelm
Wed, 22 Sep 1999 20:58:23 +0200
changeset 7573 aa87cf5a15f5
parent 5377 efb799c5ed3c
permissions -rw-r--r--
ml_store_thm: no warning for "";

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