How do I make a Complex 'C' in Latex for sets?

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    Complex Latex Sets
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SUMMARY

The discussion focuses on creating a visually appealing Complex 'C' symbol in LaTeX for representing sets. The recommended method is to use the command \mathbb{C}, which produces the desired output: $$\{k\in \mathbb{C}\mid k>0\}$$. Additionally, various LaTeX font styles are introduced, including \mathbf for bold, \mathrm for Roman, \mathfrak for Fraktur, \mathcal for calligraphic, and \mathscr for script. These commands enhance the presentation of mathematical expressions in LaTeX.

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mesa
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Hello all, I was wondering how to make that nice looking Complex 'C' when writing a set in Latex. For example,
$$\{k\in C\mid k>0\}$$ looks okay but can be better.
 
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\mathbb{C}? (The ? is not a part of it)
 
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$$\{k\in \mathbb{C}\mid k>0\}$$

That's it, thanks!
 
No problem! For future reference, other common LaTeX fonts include

Bold \mathbf \mathbf{a},\mathbf{A}
Roman (not italicized unlike the regular math text) \mathrm \mathrm{a},\mathrm{A}
Fraktur \mathfrak \mathfrak{a},\mathfrak{A}
Calligraphic \mathcal \mathcal{A}
Script \mathscr \mathscr{A}

And probably something I forgot.
 
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