doc-src/Tutorial/Misc/natsum
author ballarin
Tue, 30 Sep 2003 15:10:26 +0200
changeset 14213 7bf882b0a51e
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Changed order of prems in finprod_cong. Slight speedup.

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