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doc-src/Tutorial/Misc/NatSum.thy
author nipkow
Fri, 01 Dec 2000 12:15:47 +0100
changeset 10560 f4da791d4850
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
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