doc-src/Tutorial/Misc/NatSum.thy
author paulson
Sun, 31 Dec 2000 15:12:27 +0100
changeset 10755 0fb476ff855c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
separation of HOL-Hyperreal from HOL-Real

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