deletions | additions       diff --git a/section_0_1_begin_itemize__.tex b/section_0_1_begin_itemize__.tex  index 2ce9275..2993ee6 100644  --- a/section_0_1_begin_itemize__.tex  +++ b/section_0_1_begin_itemize__.tex 
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0 & j_1 < j_2 \\   1 & j_1 > j_2  \end{matrix}\right.\\  \\ Err = \sum_{v\neq w;v,w\epsilon \{X\}\{Y\}}Err_{v,w}  $$  \end{definition}