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doc-src/Tutorial/Misc/natsum
author wenzelm
Wed, 08 Sep 1999 23:49:39 +0200
changeset 7527 9e2dddd8b81f
parent 5377 efb799c5ed3c
permissions -rw-r--r--
lemma less_add;
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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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