deletions | additions       diff --git a/In_this_case_we_find__.tex b/In_this_case_we_find__.tex  index 4e81c9e..c259e73 100644  --- a/In_this_case_we_find__.tex  +++ b/In_this_case_we_find__.tex 
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$\underline{Addition}$ $\hspace{7.5cm}$ $\underline{Multiplication:}$  \begin{itemize}  \item even $\pm$ even $ =$ even $\hspace{5cm}$ even $\cdot$ even $=$ even  \item even $\pm$ odd $=$ odd $\hspace{5.2cm}$ $\hspace{5.3cm}$  even $\cdot$ odd $=$ even \item odd $\pm$ odd $=$ even $\hspace{5.6cm}$ odd $\cdot$ odd $=$ odd  \end{itemize}