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doc-src/Tutorial/Misc/NatSum.thy
author
paulson
Wed, 07 Nov 2001 12:29:07 +0100
changeset 12088
6f463d16cbd0
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
reorganization of the ZF examples
NatSum = Main +
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"
end