This question already has an answer here:

The symbol \in doesn't seem to fit quite right in the subscript of the sum

\sum_{i \in I} \Pr(A_i)

For some reason the set-membership symbol seems to be going below the I and it looks weird:

Is there any way I can get the \in symbol to look better here? Or is there something I can do to the I to make it align properly?

marked as duplicate by egreg spacing Jan 13 '18 at 17:19

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  • It's exactly the same as in normal size. If you have j\in J$, raising the \in` would look quite bizarre. – egreg Jan 13 '18 at 14:42
  • @egreg I was wondering that as I typed the question... but I only noticed it when I saw it in the sum subscript! – Luke Collins Jan 13 '18 at 14:43
  • I don't have this problem with your code, so there mmust be something else in your code. – Bernard Jan 13 '18 at 14:50
  • @Bernard even the online compiler (Codecogs) renders it the same way, see here. The \in symbol is clearly below the bottom of the I. – Luke Collins Jan 13 '18 at 14:58
  • 1
    This might be font dependent. Could you please post a complete MWE beginning at \documentclass and ending at \end{document}? – Skillmon Jan 13 '18 at 15:01