doc-src/Tutorial/Misc/NatSum.thy
author nipkow
Thu, 06 May 1999 11:48:09 +0200
changeset 6606 94b638b3827c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Refs.

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