deletions | additions       diff --git a/oscillationTheory.tex b/oscillationTheory.tex  index daa1e86..785ba05 100644  --- a/oscillationTheory.tex  +++ b/oscillationTheory.tex 
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\begin{array}{r c l}  E_{i}^2 &=& p_{i}^2 + m_{i}^2 \\  &\approx &=  & p_{i}^2 + \frac{m_{i}^2}{2} \end{array}