deletions | additions       diff --git a/untitled.tex b/untitled.tex  index e1666d2..8782025 100644  --- a/untitled.tex  +++ b/untitled.tex 
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\begin{subequations}  \begin{align*}  E &= \Set{x}{x \text{ is an acting entity (person)}}\\  \text{Let} q(a, b) & \text{ be an \Let{q(a, b)}{an  action}  a\text{  is applying to b}\\ y &= You \in E\\  O &= Others = \Set{x \in E}{x \neq y}\\  o &\in O\\