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doc-src/Tutorial/Misc/tree
author nipkow
Fri, 12 Nov 1999 17:45:36 +0100
changeset 8016 b7713108ffd8
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Added the proof by Nielson & Nielson.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5377
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
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datatype 'a tree = Tip | Node ('a tree) 'a ('a tree)
isabelle