deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 2a4a5ad..bfe294d 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 action } a \text{ is applying to } b\\ y &= You \in E\\  O &= Others = \Set{x \in E}{x \neq y}\\  o &\in O\\