2014-07-08 15:01 GMT+02:00 Joseph Vidal-Rosset <joseph.vidal.rosset@gmail.com>:

That's strange because it works well with LaTeX export and even with
latex-preview-image and org-htmlize. This image of implication
elimination rule in my gnus-message should be nice:

\begin{prooftree}
\AxiomC{$A \to B$}
\AxiomC{$A$}
\RightLabel{\scriptsize{$\to E$}}
\BinaryInfC{$B$}
\end{prooftree}



No. I seeĀ  now the image in my browser, it is not nice at all... I do not understand why. :(

Jo.