# Possible package missing [closed]

I started using LaTeX yesterday and there's something I can't figure out: I've noticed that I don't have some commands, for example right now I'm trying to use \vphantom and \phantom, but when I type these commands they are not recognized. I've been googling but haven't found anything useful; am I missing a package or something? I've been using TexMaker and this is the only problem I've encountered so far. Any suggestions on what is going on will be greatly appreciated, Cheers!

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## closed as too localized by Thorsten, diabonas, lockstep, Martin Schröder, Marco DanielAug 15 '12 at 15:59

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Check this out: tex.stackexchange.com/q/41185/10898 – azetina Aug 12 '12 at 21:57
\vphantom and \phantom do not depend on any packages, so they should work on any LaTeX system. Can you please add to your question a complete and minimal document illustrating your problem? – Gonzalo Medina Aug 12 '12 at 21:59
For some reason I tried again after restarting my computer and now it recognizes the command :O, thanks for the info anyways! really appreciate it! – waclock Aug 13 '12 at 2:18

The following code compiles without any packages:

\documentclass{article}
\begin{document}
\fbox{g\vphantom{f}}\fbox{f\vphantom{g}}
\end{document}


This yields:

As @GonzaloMedina says, both commands are independent of any packages.

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