Mutual recursion: Difference between revisions

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Sharpen category.
Experiment: misuse the "cases" feature so that the second equation is presented with the same size fount as the first.
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<math>A(x)=\begin{cases} 1 & , x\le1 \\ B(x+2) & ,x>1\end{cases}</math>
 
<math>B(x)=\begin{cases}A(x-3)+4\end{cases}</math>