deletions | additions       diff --git a/Quantizing K-G equation.tex b/Quantizing K-G equation.tex  index 11f1a0d..8173813 100644  --- a/Quantizing K-G equation.tex  +++ b/Quantizing K-G equation.tex 
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\begin{enumerate}  \item Action:  $$S[\phi(\mathbf{x},t)] = \int$$ \int_{t_1}^{t_2} dt \int d^3 x $$  \end{enumerate}