doc-src/Tutorial/Misc/NatSum.thy
author webertj
Fri, 12 Nov 2004 20:55:04 +0100
changeset 15280 e0e9bf44afad
parent 5377 efb799c5ed3c
permissions -rw-r--r--
minor code refactoring

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