deletions | additions       diff --git a/c) Imposing a restriction.tex b/c) Imposing a restriction.tex  index 3b83f2e..4ef18ee 100644  --- a/c) Imposing a restriction.tex  +++ b/c) Imposing a restriction.tex 
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\begin{align*}  \delta(x,i) &= min\left[ i, \ceil{\frac{x}{c}} \right]\\  A_1 &= \sum_{k=1}^{\delta(x,i)}\left[ 2(k - 1) \right]\\  A_2 &= \left( \Big(  2\delta(x,i) - 1 \right)\left( \Big)\Big(  i-\delta(x,i) \right)\\ \Big)\\  T(i,x) &= A_1 + A_2  \end{align*}  \end{subequations}