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doc-src/Tutorial/Misc/NatSum.thy
author paulson
Sun, 15 Feb 2004 10:46:37 +0100
changeset 14387 e96d5c42c4b0
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Polymorphic treatment of binary arithmetic using axclasses

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