deletions | additions       diff --git a/textbf_Question_3_On_arc__.tex b/textbf_Question_3_On_arc__.tex  index a59596b..4f79f9f 100644  --- a/textbf_Question_3_On_arc__.tex  +++ b/textbf_Question_3_On_arc__.tex 
...
\textbf{Question 3}  On arc-consistency:  \begin{quote} \(X_{i}\) is arc-consistent with respect to another variable \(X_{j}\) if for every value in the current domain \(D_{i}\) there is some value in the domain \(D_{j}\) that satisfies the binary constraint on the arc (\(X_{i}, X_{j}\)) \end{quote}