doc-src/Tutorial/Misc/NatSum.thy
author wenzelm
Tue, 13 Oct 1998 14:24:35 +0200
changeset 5642 1b3e48bdbb93
parent 5377 efb799c5ed3c
permissions -rw-r--r--
PRIVATE sig parts;

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