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doc-src/Tutorial/Misc/NatSum.thy
author
nipkow
Wed, 02 Sep 1998 16:52:06 +0200
changeset 5425
157c6663dedd
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
Added function upto to List. Had to rearrange loading sequence because now List uses Recdef.
NatSum = Main +
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"
end