doc-src/Tutorial/Misc/NatSum.thy
author wenzelm
Wed, 30 Aug 2000 17:54:05 +0200
changeset 9749 36ddd544a18d
parent 5377 efb799c5ed3c
permissions -rw-r--r--
token trans: removed \mbox to achieve proper italic correction;

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