deletions | additions       diff --git a/Rules.tex b/Rules.tex  index 8faffeb..3898b80 100644  --- a/Rules.tex  +++ b/Rules.tex 
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\begin{equation}  \begin{split}  \wp{x :=e}{R} &= R[x \mapsto e] & \mbb{Assignment, R#1}\\ §1}\\  \wp{S1; S2}{R} &= \wp{S1}{\wp{S2}{R}} & \mbb{Sequential, R#2}\\ §2}\\  \wp{\mtt{assert }B}{R} &= B \a R & \mbb{Assertion, R#3}\\ §3}\\  \wp{\ie{B}{S1}{S2}}{R} &= B \to \wp{S1}{R} \a \neg B \to \wp{S2}{R} & \mbb{Conditional, R#4}\\ §4}\\  \wp{\if{B}{S1}}{R} &= B \to \wp{S1}{R} \a \neg B \to R & \mbb{Conditional, R#5}\\ §5}\\  \end{split}  \end{equation}