doc-src/Tutorial/Misc/NatSum.thy
author nipkow
Sun, 06 Apr 2003 10:08:52 +0200
changeset 13899 12c7029d278b
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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