deletions | additions       diff --git a/subsection_Set_theory_begin_tabular__.tex b/subsection_Set_theory_begin_tabular__.tex  index 437b59f..02735b8 100644  --- a/subsection_Set_theory_begin_tabular__.tex  +++ b/subsection_Set_theory_begin_tabular__.tex 
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\emph{description} & \emph{command} & \emph{output}\\  set brackets & \verb!\{1,2,3\}! & $\{1,2,3\}$\\  element of & \verb!\in! & $\in$\\  not an element of & \verb!\not\in! & $\not\in$\\  subset of & \verb!\subset! & $\subset$\\  subset of & \verb!\subseteq! & $\subseteq$\\  contains & \verb!\supset! & $\supset$\\