doc-src/Tutorial/Misc/Tree.thy
author nipkow
Wed, 02 Sep 1998 16:52:06 +0200
changeset 5425 157c6663dedd
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Added function upto to List. Had to rearrange loading sequence because now List uses Recdef.

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