[texhax] Help on cross-references

Aditya Mahajan adityam at umich.edu
Sat Mar 14 22:20:02 CET 2009

On Sat, 14 Mar 2009, Philip G. Ratcliffe wrote:

>> Bob Wilson has explained what Christian Aastrup wants in
>> equation notation, but I think it's
>> perverse:  it will give the same reference to different
>> equations in different chapters if they happen to share the
>> same section number.  Margenau and Murphy's classic "The
>> Mathematics of Physics and Chemistry" uses mm-nnn throughout
>> for chapter-eqn no (e.g., 2-113) without introducing any
>> difficulties at all for finding the equation (in 600 pages).
>> Does Aastrup have so many equations that they really need so
>> much subdivision?
> Indeed, for example, is eq 3.2.1  the first equation of the second section
> of chapter three, or the first equation of the second subsection of section
> three of the current chapter, or the first equation of the second
> subsubsection of subsection three of the current section, or ...?
> In other words, the same depth of sub...subsections has to be maintained
> throughout - hard to do.

Most books where I have seen this convention, do not have subsections. 
Just chapters and sections, so the above confusion does not arise.


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