doc-src/Tutorial/Misc/Tree.thy
author nipkow
Mon, 01 Jul 2002 12:50:35 +0200
changeset 13261 a0460a450cf9
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed problem with linear arith.

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