doc-src/Tutorial/Misc/tree
author paulson
Mon, 24 Nov 2003 15:33:07 +0100
changeset 14266 08b34c902618
parent 5377 efb799c5ed3c
permissions -rw-r--r--
conversion of integers to use Ring_and_Field; new lemmas for Ring_and_Field

datatype 'a tree = Tip | Node ('a tree) 'a ('a tree)