Mercurial Mercurial > repos > isabelle / file revision
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc-src/Tutorial/Misc/natsum
author wenzelm
Thu, 29 Nov 2001 01:51:38 +0100
changeset 12326 b4e706774e96
parent 5377 efb799c5ed3c
permissions -rw-r--r--
export primitive netpairs; activate attributes;

consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"
isabelle