doc-src/Tutorial/Misc/NatSum.thy
author paulson
Fri, 11 Dec 1998 10:41:53 +0100
changeset 6024 cb87f103d114
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new Close_locale synatx

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