doc-src/Tutorial/Misc/natsum
author paulson
Thu, 16 Oct 2003 10:31:40 +0200
changeset 14236 c73d62ce9d1c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
partial conversion to Isar scripts

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