doc-src/Tutorial/Misc/Tree.thy
author kleing
Sun, 24 Mar 2002 14:06:21 +0100
changeset 13066 b57d926d1de2
parent 5377 efb799c5ed3c
permissions -rw-r--r--
cleanup + simpler monotonicity

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