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Questions tagged [display-math-mode]

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Bug in arrays within display-math mode

In this recent answer, I needed to define a set with several defining conditions, as follows: $$G(p)=\left\{f:S\to S\left|\, \begin{array}[l]\bullet f\circ p=p\circ f=f\\ f\mid_{\operatorname{Im}p}:\...