deletions | additions       diff --git a/In_this_case_we_find__.tex b/In_this_case_we_find__.tex  index c259e73..faad371 100644  --- a/In_this_case_we_find__.tex  +++ b/In_this_case_we_find__.tex 
...
$\underline{Addition}$ $\hspace{7.5cm}$ $\underline{Multiplication:}$  \begin{itemize}  \item even $\pm$ even $ =$ even $\hspace{5cm}$ even $\cdot$ even $=$ even  \item even $\pm$ odd $=$ odd $\hspace{5.3cm}$ $\hspace{5.4cm}$  even $\cdot$ odd $=$ even \item odd $\pm$ odd $=$ even $\hspace{5.6cm}$ $\hspace{5.5cm}$  odd $\cdot$ odd $=$ odd \end{itemize}