doc-src/Tutorial/Misc/NatSum.thy
author paulson
Thu, 10 Jun 1999 10:37:29 +0200
changeset 6808 d5dfe040c183
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tidied

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