数の集合

数の集合RとかCをLatexで書く方法.

以下のどちらかのパッケージをプレアンブルで読み込む
\usepackage{amsfonts}
\usepackage{amssymb}
あとは,\mathbb{*}と記述すれば良い.
N:自然数
Z:整数
I:無理数
Q:有理数
R:実数
C:複素数
P:素数
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