[texhax] [solved] Re: Negated relation

[Philip Taylor (Webmaster, Ret'd)]

Tried that, Rodolfo, but my version of PdfTeX has never
heard of \letter, so I modified it as follows and also
replace the "0.5mm" with "0,235 ex" so as to try to make
it independent of font size.

Philip Taylor

\catcode `@ = \catcode `\a
\def \myc at ncel #1#2%
     {%
         \m at th \ooalign {$\hfil #1\mkern 2mu \raise 0,235 ex \hbox {/}\hfil $\crcr $#1#2$}%
     }
\def \notRe {\mathpalette \myc at ncel \Re}
$$\notRe$$
\end

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--------
Rodolfo Medina wrote:

> \catcode`@=\letter
> \def\myc at ncel#1#2{%
>          \m at th\ooalign{$\hfil#1\mkern2mu\raise0.5mm\hbox{/}\hfil$\crcr$#1#2$}}
> \def\notRe{\mathpalette\myc at ncel\Re}