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doc-src/Tutorial/Misc/tree
author
paulson
Fri, 18 Feb 2000 15:28:32 +0100
changeset 8252
af44242c5e7a
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
new theorem nat_diff_split'
datatype 'a tree = Tip | Node ('a tree) 'a ('a tree)