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Do any of you how to make this part of my Index:

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where "Principio de Arquimedes" means "Archimede's principle" to look something like this:

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As you can see, I want that all the phrases that start with "Principio" (Principle) to be in some kind of a list.

If someone can tell me how, I'd appreciate that a lot!

Peluche
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I think my answer is too late but anyway. In that place where you wrote \index{Principio de Arquimedes} and \index{Principio de Pascal} you should write \index{Principio!de Arquimedes} and \index{Principio!de Pascal}. This way you'll get a hierarchic index.

Anton Dmitrievich
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  • Nooo! It's not late! By the way, do you know which package creates \index command? I'd like to read the documentation to make a better index – Peluche Jul 31 '23 at 21:28
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    @Peluche, sorry that I didn't answer 2 days ago. When I was doing alphabetical index for my document I had spent a lot of hours finding useful information, because I wanted to do miltilingual index. So, the best solution for me: \usepackage[noautomatic]{imakeidx}. The command to make index: \makeindex[columns = 2, title = References, intoc, options = -s myindex.ist]. To do the index you should create .ist file (for instanse, as it done here. The file must be in the same folder with your main .tex file. – Anton Dmitrievich Aug 03 '23 at 18:11
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    And the best way for me to do alphabetically sorted index is use upmendex. I use Windows 10 and TeXstudio, so to include index to my main file I should do: 1. Compile main .tex file. 2. Run command line from the path where my .tex file is. 3. Paste there upmendex -s names <your file>.idx, where "names" is your .ist file and ".idx" is an auxiliary file recieved from the first compilation of .tex file. 4. Compile main .tex file again. After that you'll get the index in your main file. – Anton Dmitrievich Aug 03 '23 at 18:29