deletions | additions       diff --git a/section_0_1_begin_itemize__.tex b/section_0_1_begin_itemize__.tex  index 2b24d26..d0b3558 100644  --- a/section_0_1_begin_itemize__.tex  +++ b/section_0_1_begin_itemize__.tex 
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$$  v = X_{i_1} \cup v = Y_{j_1} \\  w = X_{i_2} \cup w = Y_{j_2} \\  i_1 \textless $<$  i_2 \\ v \neq w \\  $$  где $v, w$ ~- различные вузы, $X_{i_1}, X_{i_2}$ ~- вузы в 1 рейтинге, $Y_{i_1}, Y_{i_2}$ ~- вузы во 2 рейтинге \\