doc-src/Tutorial/Misc/NatSum.thy
author paulson
Thu, 20 Feb 2003 11:09:48 +0100
changeset 13824 e4d8dea6dfc2
parent 5377 efb799c5ed3c
permissions -rw-r--r--
minor updates to pre-2002 release
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NatSum = Main +
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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"
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end