doc-src/Tutorial/Misc/Tree.thy
author berghofe
Tue, 17 Aug 1999 14:01:39 +0200
changeset 7228 ddb67dcf026c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Tuned some comments.
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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