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.ML
author
paulson
Mon, 23 Oct 2000 10:20:55 +0200
changeset 10288
00abecbfa46a
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
contrapos
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);