\documentclass[12pt]{article}

\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}


\title{
    cmpe220 hw \#5
    \\
    Fall 2018
}
\author{Haluk Bingol}
\date{\today}

\begin{document}
\maketitle

\begin{enumerate}

    \item 
    % source: hb
    Consider $0$ in natural numbers and 0 in integers. Are they the same? 
    The same question for $1, 2, 3, \dotsc$.

    \item 
    % source: Johnsonbaugh 130/39
    Let $P$ be a partition of set $A$.
    Prove or disprove that
    $P$ is a refinement of $P$.
    
\end{enumerate}

\end{document}