doc-src/Tutorial/Misc/NatSum.thy
author nipkow
Fri, 24 Nov 2000 16:49:27 +0100
changeset 10519 ade64af4c57c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
hide many names from Datatype_Universe.

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