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doc-src/Tutorial/Misc/Tree.thy
author
nipkow
Mon, 04 Jan 1999 15:08:40 +0100
changeset 6056
b21813d1b701
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
Version 1 of linear arithmetic for nat.
Tree = Main +
datatype 'a tree = Tip | Node ('a tree) 'a ('a tree)
end