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Re: Capital subscript are too large

J"org Knappen (KNAPPEN@DE.Uni-Mainz.kph.VKPMZD) writes:

>We have an axial coupling constant, conventionally called $g_A$. However, 
>in this combination the `A' does not really look subscript. After some 
>experimenting, I came up with the following: $g_{\text{\sc A}}$ which looks 
>fine. That the `A' is now upright is not that bad in this case, in fact it 
>is not a mathematical symbol but has textual semantics.

Another possibility is to use a sub-subscript, something like this:


I had a similar problem with using DF as a subscript on = (for a "definition"
symbol, as used in B.Rotman & G.T.Kneebone "The Theory of Sets and Transfinite 
Numbers", Oldbourne, 1966, and other places). In that case I wanted a text DF,
and only in normalsize, so I used this definition:

\def\edf{\mathrel{\;=_{{}_{\mbox{\rm\tiny DF}}}\;}}

Incidentally, I have just discovered that at 11pt:

\scriptsize text is slightly larger than \text{...} as a subscript
\tiny text is slightly larger than \text{...} as a subsubscript

at 10pt and 12pt these are the same.

Were they intended to be different and the extra sizes were only available 
with the 11pt normalsize or is it accidental?

Here's an example to illustrate:

$$ A \mathrel{\;=_{{}_{\mbox{\rm\scriptsize \stuff}}}\;} B $$
$$ A \mathrel{\;=_{\text{\stuff}}\;} B $$
$$ A \mathrel{\;=_{{}_{\mbox{\rm\tiny \stuff}}}\;} B $$
$$ A \mathrel{\;=_{{}_{\text{\stuff}}}\;} B $$


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