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doc-src/Tutorial/Misc/NatSum.thy
author paulson
Fri, 23 Jul 1999 17:49:35 +0200
changeset 7080 b551a5a8966c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new simprocs assoc_fold and combine_coeff
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NatSum = Main +
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consts sum :: nat => nat
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primrec
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"sum 0 = 0"
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"sum (Suc n) = Suc n + sum n"
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end
isabelle