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doc-src/Tutorial/Misc/natsum
author wenzelm
Mon, 17 May 1999 21:36:11 +0200
changeset 6666 be06ed5d0b4c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
cleaned comments; ThyInfo.finalize_all renamed to ThyInfo.finish; added remove_thy;

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