doc-src/Tutorial/Misc/Tree.thy
author nipkow
Fri, 10 Sep 2004 00:19:15 +0200
changeset 15195 197e00ce3f20
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new forward deduction capability for simplifier

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