deletions | additions       diff --git a/untitled.tex b/untitled.tex  index e504b5f..a12cc2a 100644  --- a/untitled.tex  +++ b/untitled.tex 
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\newcommand{\Let}[2]{\text{Let } #1 \text{be  #2}} \begin{subequations}  \begin{align*}  \Let{P}{the \Let{P}{be the  set of all acting entities (persons)}\\ x, y \in P\\  x \neq y  \end{align*}