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This question already has an answer here:

According to http://www.proofwiki.org/wiki/Symbols:Z#The_Set_of_Integers,

\Z should produce the symbol for the set of integers, but I have not been able to find the package that enables this feature.

I have tried dsfont as well as amsmath,amsfonts,amsthm,amssymb but none of them seem to have it.

marked as duplicate by mafp, yo', Mensch, T. Verron, Martin Schröder Feb 22 '13 at 18:26

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  • Can you show the code that you tried to use? – soandos Feb 22 '13 at 17:59
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What about using

\usepackage{amsfonts}
\newcommand{\Z}{\mathbb{Z}}

and then using it in equations?

EDIT: forgot, that it needs amsfonts package.

  • I actually ended up doing that just now, but I still wonder whether there's a package that predefines them. – merlin2011 Feb 22 '13 at 17:52
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    @merlin2011 If there is such, it is definitely not a good one. For me, \Z refers to \mathcal{Z} as I don't work with integers, but I do work with a "zero machine" called this way. Predefining shortcuts like this if you don't use them is a bad idea. Define only such symbols you really use. – yo' Feb 22 '13 at 18:06
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    Either amsfonts or amssymb; the latter loads the former, and is usually recommended. – egreg Feb 22 '13 at 18:19

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