doc-src/Tutorial/Misc/NatSum.thy
author wenzelm
Thu, 18 Feb 1999 12:15:55 +0100
changeset 6286 ce30e19af3df
parent 5377 efb799c5ed3c
permissions -rw-r--r--
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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