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doc-src/Tutorial/Misc/natsum
author
berghofe
Fri, 23 Jun 2000 12:29:55 +0200
changeset 9116
9df44b5c610b
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
get_inductive now returns None instead of raising an exception.
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"