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How can I denote a set of numbers with curly braces around them (curly braces are usually the standard for sets in mathematical textbooks). I tried the following:

$d={3, 2, 2, 1, 1, 1}$

Tex rendered the text without the curly braces

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5  
you'll need \{...\} to make TeX understand that you want to display them – cmhughes Sep 30 '12 at 14:43

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up vote 6 down vote accepted

$d=\{3, 2, 2, 1, 1, 1\}$ should do the trick

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ahhhh. I tried the escaping in the wrong places... – CodeKingPlusPlus Sep 30 '12 at 14:44
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@CodeKingPlusPlus depending on your preference, $d=\{\,3,2,2,1,1,1\,\}$ can also be used to adjust the spacing a bit. – Scott H. Sep 30 '12 at 18:42

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