doc-src/Tutorial/Misc/NatSum.thy
author paulson
Thu, 26 Aug 1999 11:34:17 +0200
changeset 7360 7d3136b9af08
parent 5377 efb799c5ed3c
permissions -rw-r--r--
more Join rules including AC-rules

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