doc-src/Tutorial/Misc/NatSum.thy
author wenzelm
Thu, 19 Oct 2000 01:48:26 +0200
changeset 10269 cc20c9d7e682
parent 5377 efb799c5ed3c
permissions -rw-r--r--
use RecdefPackage.tcs_of;

NatSum = Main +
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"
end