doc-src/Tutorial/Misc/NatSum.thy
author berghofe
Tue, 17 Aug 1999 14:01:39 +0200
changeset 7228 ddb67dcf026c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Tuned some comments.

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