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doc-src/Tutorial/Misc/natsum
author nipkow
Wed, 11 Feb 2004 01:26:15 +0100
changeset 14381 1189a8212a12
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Modified UN and INT xsymbol syntax: made index subscript
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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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