I'm reading an old book on Mathematical analysis and in the chapter on sets I found this:

enter image description here

This represents set multiplication and I want to reproduce this in my notes, but can't seem to find a way to do that. How can I do this in LaTeX?


There is a \varprod operator provided by the packages txfonts/pxfonts and a \bigtimes operator provided by the package mathabx.

Unless you want to load one of the mentioned packages for any other need, I suggest you to "extract" the definition of the symbol from the package and use it as in the following MWE. Choose the one you prefer.


% \varprod

% \bigtimes
      <5> <6> <7> <8> <9> <10>
      <10.95> <12> <14.4> <17.28> <20.74> <24.88>

\[\varprod^{N}_{n-1} X_n \quad \bigtimes^{N}_{n-1} X_n\]

enter image description here


With unicode-math, you can get it with \bigtimes:

\[ \bigtimes_{n=1}^N X_n \]

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