doc-src/Tutorial/Misc/NatSum.thy
author paulson
Mon, 12 May 2003 12:26:50 +0200
changeset 14004 f7382ee9b574
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated text

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