doc-src/Tutorial/Misc/NatSum.thy
author wenzelm
Thu, 03 Aug 2000 00:44:08 +0200
changeset 9505 09c75c801dde
parent 5377 efb799c5ed3c
permissions -rw-r--r--
improved output of space symbol;

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