doc-src/Tutorial/Misc/Tree.thy
author wenzelm
Tue, 04 Dec 2001 02:00:14 +0100
changeset 12352 92c48cc45e78
parent 5377 efb799c5ed3c
permissions -rw-r--r--
renamed RuleContext to ContextRules;

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