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doc-src/Tutorial/Misc/Tree.thy
author
paulson
Thu, 26 Aug 1999 11:34:17 +0200
changeset 7360
7d3136b9af08
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
more Join rules including AC-rules
Tree = Main +
datatype 'a tree = Tip | Node ('a tree) 'a ('a tree)
end