deletions | additions       diff --git a/paragraph_2_Mimic_the_derivation__.tex b/paragraph_2_Mimic_the_derivation__.tex  index c181fed..5635508 100644  --- a/paragraph_2_Mimic_the_derivation__.tex  +++ b/paragraph_2_Mimic_the_derivation__.tex 
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\\Euler equations of compressible gas dynamics.  \[u + f(u)_{x} + g(u)_{y} = 0 \]  where   u = \(\)