the cases environment is provided by the amsmath package- the mathtools package introduces extensions of it (dcases, etc)

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10
votes
1answer
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Aligning the right parts in multiple \begin{cases}

Is there an intelligent way to left-align the parts right of & of the two cases environments shown below (if x >= 0, otherwise, if y < 0, otherwise). I wonder if there is a better way than ...
7
votes
2answers
1k views

Proper punctuation after cases environment

I know that when writing a displayed equation, it's correct to write punctuation before the closing \] as follows: This proves \[ x^2 = 3, \] and it follows that \[ x = \pm\sqrt{3}. \] If I'm using ...