doc-src/Tutorial/Misc/Tree.thy
author berghofe
Tue, 25 Mar 2003 09:49:13 +0100
changeset 13878 90ca3815e4b2
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Added Presburger theory.

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