deletions | additions       diff --git a/Ex3.b.tex b/Ex3.b.tex  index 53a0dd3..5024511 100644  --- a/Ex3.b.tex  +++ b/Ex3.b.tex 
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& Q &\to \wp{S_1}{I}\\  \iff & Q &\to \wp{S_{11}; S_{12}}{I}\\  \rule{2} \iff & Q &\to \wp{S_{11}}{\wp{S_{12}}{I}}\\  \rule{3} \iff & Q &\to \wp{S_{11}}{(n_0 > 0 \to \wp{n, m := n_0, m_0}{I})\\  \a \\  (n_0 \leq 0 \to \wp{n, m := -n_0, -m_0}{I})}\\ \end{split}  \end{equation}