deletions | additions       diff --git a/Introduction.tex b/Introduction.tex  index 6903098..b6938d4 100644  --- a/Introduction.tex  +++ b/Introduction.tex 
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\end{equation}  But does that imply \begin{equation}  r^+a^+ar=saa^+s^+ r^+a^+ar=saa^+s^+?  \sqrt{n+1}(n+\frac{3}{2})\ne(n-\frac{1}{2})\sqrt(n)  \end{equation}  There are no solutions, it is never true.  \\  \\  \\