doc-src/Tutorial/Misc/natsum
author wenzelm
Thu, 09 Mar 2000 22:58:23 +0100
changeset 8403 a8a0411a8e8c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
check_case: disallow (T)Vars in invoked case;

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