doc-src/Tutorial/Misc/Tree.thy
author wenzelm
Sat, 03 Nov 2001 01:38:39 +0100
changeset 12027 1281e9bf57f6
parent 5377 efb799c5ed3c
permissions -rw-r--r--
converted theory Lift;

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