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doc-src/Tutorial/Misc/Tree.thy
author paulson
Fri, 27 Sep 2002 10:36:21 +0200
changeset 13593 e39f0751e4bf
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Tidied. New Pi-theorem.
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Tree = Main +
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datatype 'a tree = Tip | Node ('a tree) 'a ('a tree)
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end
isabelle