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doc-src/Tutorial/Misc/NatSum.thy
author wenzelm
Tue, 09 Mar 1999 12:12:45 +0100
changeset 6324 3b7111b360b1
parent 5377 efb799c5ed3c
permissions -rw-r--r--
HTML markup elements.

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