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.thy
author
paulson
Fri, 18 Sep 1998 16:04:44 +0200
changeset 5509
c38cc427976c
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
Now defines "int" as a linear order; basic derivations moved to IntDef
NatSum = Main +
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"
end