%%%%%%%%%%%%%%%%%%%%%%   PACKAGES   %%%%%%%%%%%%%%%%%%%%%%%%%%

\documentclass[leqno,11pt,
%%%%  Draft version
draft
]{amsart}

\usepackage{amssymb, amsmath, amsfonts}
\usepackage{enumerate, rotating}
\usepackage[dvipsnames]{xcolor}

%\usepackage[final]{graphicx}

%%%%  active links
\usepackage[colorlinks,citecolor=blue,urlcolor=blue]{hyperref}	

%%%% polish & english
\usepackage[english, polish]{babel}  %%%% używamy przez \selectlanguage
\usepackage[T1]{fontenc}
\usepackage[cp1250]{inputenc}

%%%%  show labels
%\usepackage[notcite,notref]{showkeys}

%%%%  pagestyle
\pagestyle{plain}

%%%%  better margins
\addtolength{\textwidth}{3cm} \addtolength{\textheight}{1cm}
\addtolength{\topmargin}{-2cm}
\addtolength{\oddsidemargin}{-1,5cm}
\addtolength{\evensidemargin}{-1,5cm}

%%%%  enviroments
%\newtheorem{thm}[equation]{Theorem}
%\newtheorem{cor}[equation]{Corollary}
%\newtheorem{lem}[equation]{Lemma}
%\newtheorem{prop}[equation]{Proposition}
%\newtheorem{rem}[equation]{Remark}
%\newtheorem{defn}[equation]{Definition}
%\newtheorem{ex}[equation]{Example}

%%%%  polish enviroments
\newtheorem{thm}[equation]{Twierdzenie}
\newtheorem{cor}[equation]{Wniosek}
\newtheorem{lem}[equation]{Lemat}
\newtheorem{prop}[equation]{Propozycja}
\newtheorem{rem}[equation]{Uwaga}
\newtheorem{defn}[equation]{Definicja}
\newtheorem{ex}[equation]{Przykład}

\renewcommand{\labelenumi}{\bf \arabic{enumi}. }

%%%% numbering
%\numberwithin{equation}{section}
%\numberwithin{equation}{subsection}

%%%%%%%%%%%%%%%%%%%%%%   COMMANDS   %%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%  color
\newcommand{\pink}{\textcolor{Magenta}}
\newcommand{\red}{\textcolor{red}}
\newcommand{\vio}{\textcolor{violet}}
\newcommand{\green}{\textcolor{green}}
\newcommand{\blue}{\textcolor{blue}}
\newcommand{\yell}{\textcolor{yellow}}
\newcommand{\oran}{\textcolor{orange}}

%%%%  greek
\newcommand{\w}{\omega}
\newcommand{\Om}{\Omega}
\newcommand{\al}{\alpha}
\newcommand{\be}{\beta}
\newcommand{\de}{\delta}
\newcommand{\e}{\varepsilon}
\newcommand{\ka}{\kappa}
\newcommand{\la}{\lambda}
\newcommand{\vphi}{\varphi}

%%%%  mathbb  &  mathcal
\renewcommand{\AA}{\mathbb{A}} \newcommand{\Aa}{\mathcal{A}}
\newcommand{\BB}{\mathbb{B}} \newcommand{\Bb}{\mathcal{B}}
\newcommand{\CC}{\mathbb{C}} \newcommand{\Cc}{\mathcal{C}}
\newcommand{\DD}{\mathbb{D}} \newcommand{\Dd}{\mathcal{D}}
\newcommand{\EE}{\mathbb{E}} \newcommand{\Ee}{\mathcal{E}}
\newcommand{\FF}{\mathbb{F}} \newcommand{\Ff}{\mathcal{F}}
\newcommand{\GG}{\mathbb{G}} \newcommand{\Gg}{\mathcal{G}}
\newcommand{\HH}{\mathbb{H}} \newcommand{\Hh}{\mathcal{H}}
\newcommand{\II}{\mathbb{I}} \newcommand{\Ii}{\mathcal{I}}
\newcommand{\JJ}{\mathbb{J}} \newcommand{\Jj}{\mathcal{J}}
\newcommand{\KK}{\mathbb{K}} \newcommand{\Kk}{\mathcal{K}}
\newcommand{\LL}{\mathbb{L}} \newcommand{\Ll}{\mathcal{L}}
\newcommand{\MM}{\mathbb{M}} \newcommand{\Mm}{\mathcal{M}}
\newcommand{\NN}{\mathbb{N}} \newcommand{\Nn}{\mathcal{N}}
\newcommand{\OO}{\mathbb{O}} \newcommand{\Oo}{\mathcal{O}}
\newcommand{\PP}{\mathbb{P}} \newcommand{\Pp}{\mathcal{P}}
\newcommand{\QQ}{\mathbb{Q}} \newcommand{\Qq}{\mathcal{Q}}
\newcommand{\RR}{\mathbb{R}} \newcommand{\Rr}{\mathcal{R}}
\renewcommand{\SS}{\mathbb{S}} \newcommand{\Ss}{\mathcal{S}}
\newcommand{\TT}{\mathbb{T}} \newcommand{\Tt}{\mathcal{T}}
\newcommand{\UU}{\mathbb{U}} \newcommand{\Uu}{\mathcal{U}}
\newcommand{\VV}{\mathbb{V}} \newcommand{\Vv}{\mathcal{V}}
\newcommand{\WW}{\mathbb{W}} \newcommand{\Ww}{\mathcal{W}}
\newcommand{\XX}{\mathbb{X}} \newcommand{\Xx}{\mathcal{X}}
\newcommand{\YY}{\mathbb{Y}} \newcommand{\Yy}{\mathcal{Y}}
\newcommand{\ZZ}{\mathbb{Z}} \newcommand{\Zz}{\mathcal{Z}}

%%%%  symbols
\newcommand{\8}{\infty}
\renewcommand{\d}{\partial}
\renewcommand{\(}{\left(}
\renewcommand{\)}{\right)}
\newcommand{\SumZj}{\sum_{j=-\infty}^\infty}
\newcommand{\SumNj}{\sum_{j=1}^\infty}
\newcommand{\SumZk}{\sum_{k=-\infty}^\infty}
\newcommand{\SumNk}{\sum_{k=1}^\infty}

%%%%  commands
\newcommand{\Rn}{{\RR^n}}
\newcommand{\Rd}{{\RR^d}}
\newcommand{\dx}{\frac{\d}{\d x}}
\newcommand{\dxi}{\frac{\partial}{\partial x_i}}
\newcommand{\di}{\partial_i}
\newcommand{\dxx}{\frac{\d^2}{\d x^2}}
\newcommand{\ii}{\int_0^{\infty}}
\newcommand{\iie}{\int_\e^{\e^{-1}}}
\newcommand{\dt}{\frac{\d}{\d t}}
\newcommand{\mc}{\mathcal}
\newcommand{\ul}{\underline}
\renewcommand{\rm}{\mathrm}

\newcommand{\wt}{\widetilde}

%%%%  mathrm
\newcommand{\supp}{\mathrm{supp}}

%%%%  local



\begin{document}
%%%%%%%%%%%%%%%%%%%%%%   MAIN PART   %%%%%%%%%%%%%%%%%%%%%%%%%%

\selectlanguage{polish}
%%%%% nagłówek
\title{Uniwersyteckie Kó\l ko Matematyczne - poziom {\Large $\alpha$}}
\thanks{materiały przygotował: Marcin Preisner (preisner@math.uni.wroc.pl)}
\author{www.math.uni.wroc.pl/\~{}preisner/jg/}
\begin{flushright}
Jelenia Góra, 6 października 2012 r.
\end{flushright}
\vskip 0,5cm
\maketitle
\vskip -0,7cm
\moveleft\hoffset\vbox{\hrule width\textwidth height 1pt}\smallskip
%%%%% tytuł zajęć
\vskip -0,4cm
\section*{TYTUŁ ZAJĘĆ}

WPROWADZENIE

%\subsection*{MOŻNA PODZIELIĆ TREŚĆ}

ZADANIA:
\begin{enumerate}

\item Udowodnij, że...

\end{enumerate}




\moveleft\hoffset\vbox{\hrule width\textwidth height 1pt}\smallskip
\end{document}
