LaTeX.org

Thanks a lot.
What about this one?


\documentclass{article}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}

\begin{document}

$\left( y=2-\left\vert x\right\vert \wedge-2\leq x\leq2\right) \vee\left( y=1\wedge-1\leq x\leq1\right) $

$\left( y=0\wedge0\leq x\leq1\right) \vee\left ...

\documentclass[12pt,final,notitlepage,onecolumn]{article}
\usepackage{graphicx}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\setcounter{MaxMatrixCols}{30}
% by the way, you can solve this without
% installing a single piece of software...
\voffset=1.3cm
\hoffset=3.7cm
\setlength ...