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doc-src/Tutorial/Misc/natsum
author wenzelm
Mon, 04 Oct 1999 21:48:23 +0200
changeset 7707 1f4b67fdfdae
parent 5377 efb799c5ed3c
permissions -rw-r--r--
simprocs now in IntArith;

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