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|Description: (This theorem is a
dummy placeholder for these guidelines. The name of
this theorem, "mathbox", is hard-coded into the Metamath program
identify the start of the mathbox section for web page generation.)
A "mathbox" is a user-contributed section that is maintained by its contributor independently from the main part of set.mm.
By making a contribution, you agree to release it into the public domain, according to the statement at the beginning of set.mm.
Mathboxes are provided to help keep your work synchronized with changes in set.mm, but they shouldn't be depended on as a permanent archive. If you want to preserve your original contribution, it is your responsibility to keep your own copy of it along with the version of set.mm that works with it.
1. If at all possible, please use only 0-ary class constants for new definitions, for example as in df-div 9357.
2. Try to follow the style of the rest of set.mm. Each $p and $a statement must be immediately preceded with the comment that will be shown on its web page description. The metamath program command "write source set.mm /rewrap" will take care of wrapping comment lines and indentation conventions. All mathbox content will be on public display and should hopefully reflect the overall quality of the web site.
3. Before submitting a revised mathbox, please make sure it verifies against the current set.mm.
4. Mathboxes should be independent i.e. the proofs should verify with all other mathboxes removed. If you need a theorem from another mathbox, that is fine (and encouraged), but let me know so I can move the theorem to the main section. One way avoid undesired accidental use of other mathbox theorems is to develop your mathbox using a modified set.mm that has mathboxes removed.
1. I may decide to move some theorems to the main part of set.mm for general use. In that case, an author acknowledgment will be added to the description of the theorem.
2. I may make changes to mathboxes to maintain the overall quality of set.mm. Normally I will let you know if a change might impact what you are working on.
3. If you use theorems from another user's mathbox, I don't provide assurance that they are based on correct or consistent $a statements. (If you find such a problem, please let me know so it can be corrected.) (Contributed by NM, 20-Feb-2007.)
|Colors of variables: wff set class|
|This theorem is referenced by: tratrb 27315 tratrbVD 27650|
|This theorem was proved from axioms: ax-1 7 ax-2 8 ax-3 9 ax-mp 10 ax-5 1533 ax-6 1534 ax-gen 1536 ax-12o 1664 ax-9 1684 ax-4 1692|
|Copyright terms: Public domain||W3C validator|