doc-src/Tutorial/Misc/NatSum.thy
author kleing
Sun, 18 May 2003 15:28:41 +0200
changeset 14035 c46ce87960fb
parent 5377 efb799c5ed3c
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NatSum = Main +
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"
end