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doc-src/Tutorial/Misc/natsum
author wenzelm
Wed, 05 Dec 2001 03:07:44 +0100
changeset 12372 cd3a09c7dac9
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned declarations;

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