doc-src/Tutorial/Misc/natsum
author wenzelm
Wed, 06 Oct 1999 18:50:40 +0200
changeset 7760 43f8d28dbc6e
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Isar_examples/W_correct;
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consts sum :: nat => nat
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primrec
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"sum 0 = 0"
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"sum (Suc n) = Suc n + sum n"