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doc-src/Tutorial/Misc/natsum
author wenzelm
Thu, 15 Nov 2001 23:21:57 +0100
changeset 12216 dda8c04a8fb4
parent 5377 efb799c5ed3c
permissions -rw-r--r--
isatool unsymbolize;
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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"
isabelle