deletions | additions       diff --git a/3b5.tex b/3b5.tex  index 2d5a88e..6458470 100644  --- a/3b5.tex  +++ b/3b5.tex 
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\begin{equation}  \begin{split}  & I \a B &\to& \wp{V_1 := V; S}{V < V_1}\\  \rule{2} \iff & I \a B &\to& \wp{V_1 := V}{\wp{res n}{\wp{res  := res + m}{\wp{n := n - 1}{V 1}{n  < V_1}}}\\ \rule{2} \iff & I \a B &\to& \wp{V_1 := V}{\wp{res := res + m}{n < n - 1}}\\  \end{split}  \end{equation}