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doc-src/Tutorial/Misc/natsum
author
wenzelm
Sat, 14 Nov 1998 13:23:49 +0100
changeset 5860
ed11c9890852
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
added read_nat;
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"