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doc-src/Tutorial/Misc/natsum
author
wenzelm
Mon, 31 Jul 2000 14:33:40 +0200
changeset 9480
7afb808b6b3e
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
updated 'obtain';
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"