I have this:
\documentclass[12pt]{arabbook}
%%%%%%%%%%% packages
\usepackage{fancyhdr}
\usepackage{arabtex}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}% R ensemble des nombres reels
\usepackage{graphicx}% ajouter des photos
\usepackage{pstricks}% pour dessiner
%%%%%%%%%%%% ab3ad AlsfhA
\textwidth= 15truecm %
\textheight= 22.27truecm %
\hoffset= -1.5 cm%truecm %
\voffset= -1.5 cm%truecm %
%%%%%%%%%%
\pagestyle{fancy}
\renewcommand{\headrulewidth}{1.5pt}
\renewcommand{\footrulewidth}{1.5pt}
\renewcommand{\baselinestretch}{1.5}
% `dm Alt^skyl
\novocalize
% bdAyt Alw_tyqT
\rhead{\RL{Alf.sl Al'awl}}
\lhead{\RL{`nwAn Alf.sl}}
\begin{document}
\begin{arabtext}
\end{arabtext}
\end{document}
I want to define the theorem environment, to obtain "nzryT 1: ..."
How to do it please?
Thank you
nzryT
? Is that Arabic fornumber?
orTheorem
?