doc-src/Tutorial/Misc/NatSum.thy
author oheimb
Tue, 30 Jan 2001 18:53:46 +0100
changeset 11002 e33dfe9bde39
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added foldln

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