MHB How do I properly display a term with a subscript on a subscript in LaTeX?

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The discussion centers around a user seeking assistance with displaying a term featuring a subscript on a subscript, specifically "N_i_j," in a forum dedicated to Linear and Abstract Algebra. The user encountered an error while attempting to format this notation. A helpful response clarified that using braces is necessary for proper formatting, suggesting "N_{i_j}" to achieve the desired output of "$N_{i_j}$." The user expressed gratitude for the assistance provided.
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I just posted on Noetherian Modules in the Linear and Abstract Algebra Forum ...

I wished to display a term with a subscript on a subscript as follows: N_i_j ...

But got an error ... can someone please help ...Peter
 
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Peter said:
I just posted on Noetherian Modules in the Linear and Abstract Algebra Forum ...

I wished to display a term with a subscript on a subscript as follows: N_i_j ...

But got an error ... can someone please help ...Peter
You need to use braces: N_{i_j} gives $N_{i_j}$.
 
Opalg said:
You need to use braces: N_{i_j} gives $N_{i_j}$.
Thanks Opalg ...

Appreciate your help ...

Peter
 

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