Math & Science ⇒ Nonstandard Analysis in Latex

[dmj]

Hi Folks,

is there some convenient way to write nonstandard analysis terms such as *r.

At the Moment I use the tensor package, but this seems extremely improvised and cumbersome to me.

Here an example: \tensor*[^{\textup{*}}]{\mathbb{R}}{}

Has somebody a better idea?

Thanks.

[gmedina]

Hi,

what about using simply the standard superscript command?

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\documentclass{book}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
$\sp{\ast}r$
$\sp{*}r$
$\sp{\ast}\mathbb{R}$
$\sp{*}\mathbb{R}$
\end{document}
 
 
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[dmj]

Hi,

this seems like a better idea. This would also make something like

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$\sp{\ast}V(\sp{\ast}X)$
 
 
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work.

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$\tensor*[^{{\ast}}]{V(\tensor*[^{{\ast}}]{X}{}}{})$
 
 
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yields V(*X) instead of *V(*X).

I must say, I havn't seen any documentation about the \sp command so far. I am pretty new to Latex, though.

Thanks for the input so far. If somebody has an even better idea, please let me know

[lalop]

Sorry for the bump, but I had to do a gazillion of the *'s in my article (Nonstandard Analysis from a Model-Theoretic Perspective) and probably the best way to do so is:

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\usepackage{leftidx}
...
{^*}R, 
(and if you want, the package also works for left subscripts) {^*_1}R
 
 
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Run LaTeX here